v0.55.3

app/build.gradle

@@ -13,8 +13,8 @@ android {
         applicationId "com.vitorpamplona.amethyst"
         minSdk 26
         targetSdk 33
-        versionCode 197
-        versionName "0.55.2"
+        versionCode 198
+        versionName "0.55.3"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -176,7 +176,7 @@ dependencies {
     playImplementation 'com.google.mlkit:translate:17.0.1'
 
     // PushNotifications
-    playImplementation platform('com.google.firebase:firebase-bom:32.0.0')
+    playImplementation platform('com.google.firebase:firebase-bom:32.1.0')
     playImplementation 'com.google.firebase:firebase-messaging-ktx'
 
     // Charts

app/src/fdroid/java/com/vitorpamplona/amethyst/ui/components/TranslatableRichTextViewer.kt

@@ -3,15 +3,15 @@ package com.vitorpamplona.amethyst.ui.components
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-import kotlinx.collections.immutable.ImmutableList
 
 @Composable
 fun TranslatableRichTextViewer(
     content: String,
     canPreview: Boolean,
     modifier: Modifier = Modifier,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit

app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -89,10 +89,6 @@ class Account(
         return followingChannels.map { LocalCache.getOrCreateChannel(it) }
     }
 
-    fun hiddenUsers(): List<User> {
-        return (hiddenUsers + transientHiddenUsers).map { LocalCache.getOrCreateUser(it) }
-    }
-
     fun isWriteable(): Boolean {
         return loggedIn.privKey != null
     }

app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -119,19 +119,27 @@ object LocalCache {
     }
 
     @Synchronized
-    fun getOrCreateAddressableNote(key: ATag): AddressableNote {
+    fun getOrCreateAddressableNoteInternal(key: ATag): AddressableNote {
         checkNotInMainThread()
 
         // we can't use naddr here because naddr might include relay info and
         // the preferred relay should not be part of the index.
         return addressables[key.toTag()] ?: run {
             val answer = AddressableNote(key)
-            answer.author = checkGetOrCreateUser(key.pubKeyHex)
             addressables.put(key.toTag(), answer)
             answer
         }
     }
 
+    fun getOrCreateAddressableNote(key: ATag): AddressableNote {
+        val note = getOrCreateAddressableNoteInternal(key)
+        // Loads the user outside a Syncronized block to avoid blocking
+        if (note.author == null) {
+            note.author = checkGetOrCreateUser(key.pubKeyHex)
+        }
+        return note
+    }
+
     fun consume(event: MetadataEvent) {
         // new event
         val oldUser = getOrCreateUser(event.pubKey)
@@ -1010,7 +1018,14 @@ object LocalCache {
     fun consume(event: Event, relay: Relay?) {
         checkNotInMainThread()
 
-        if (!event.hasValidSignature()) return
+        if (!event.hasValidSignature()) {
+            try {
+                event.checkSignature()
+            } catch (e: Exception) {
+                Log.w("Event failed retest ${event.kind}", e.message ?: "")
+            }
+            return
+        }
 
         try {
             when (event) {

app/src/main/java/com/vitorpamplona/amethyst/model/Note.kt

@@ -4,6 +4,7 @@ import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
 import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.NostrSingleEventDataSource
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
 import com.vitorpamplona.amethyst.service.model.*
 import com.vitorpamplona.amethyst.service.nip19.Nip19
@@ -179,6 +180,7 @@ open class Note(val idHex: String) {
 
     @Synchronized
     fun addZap(zapRequest: Note, zap: Note?) {
+        checkNotInMainThread()
         if (zapRequest !in zaps.keys) {
             zaps = zaps + Pair(zapRequest, zap)
             liveSet?.zaps?.invalidateData()
@@ -190,6 +192,7 @@ open class Note(val idHex: String) {
 
     @Synchronized
     fun addZapPayment(zapPaymentRequest: Note, zapPayment: Note?) {
+        checkNotInMainThread()
         if (zapPaymentRequest !in zapPayments.keys) {
             zapPayments = zapPayments + Pair(zapPaymentRequest, zapPayment)
             liveSet?.zaps?.invalidateData()

app/src/main/java/com/vitorpamplona/amethyst/model/RelaySetupInfo.kt

@@ -1,7 +1,9 @@
 package com.vitorpamplona.amethyst.model
 
+import androidx.compose.runtime.Immutable
 import com.vitorpamplona.amethyst.service.relays.FeedType
 
+@Immutable
 data class RelaySetupInfo(
     val url: String,
     val read: Boolean,

app/src/main/java/com/vitorpamplona/amethyst/model/ThreadAssembler.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.model
 
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.ATag
 import kotlin.time.ExperimentalTime
 import kotlin.time.measureTimedValue
@@ -35,6 +36,8 @@ class ThreadAssembler {
 
     @OptIn(ExperimentalTime::class)
     fun findThreadFor(noteId: String): Set<Note> {
+        checkNotInMainThread()
+
         val (result, elapsed) = measureTimedValue {
             val note = if (noteId.contains(":")) {
                 val aTag = ATag.parse(noteId, null)

app/src/main/java/com/vitorpamplona/amethyst/model/User.kt

@@ -362,6 +362,7 @@ class UserLiveSet(u: User) {
     }
 }
 
+@Immutable
 data class RelayInfo(
     val url: String,
     var lastEvent: Long,
@@ -403,7 +404,7 @@ class UserMetadata {
 
     fun anyNameStartsWith(prefix: String): Boolean {
         return listOfNotNull(name, username, display_name, displayName, nip05, lud06, lud16)
-            .any { it.startsWith(prefix, true) }
+            .any { it.contains(prefix, true) }
     }
 
     fun lnAddress(): String? {

app/src/main/java/com/vitorpamplona/amethyst/service/Nip05Verifier.kt

@@ -33,6 +33,8 @@ class Nip05Verifier() {
     }
 
     private suspend fun fetchNip05JsonSuspend(nip05: String, onSuccess: (String) -> Unit, onError: (String) -> Unit) {
+        // checkNotInMainThread()
+
         val url = assembleUrl(nip05)
 
         if (url == null) {
@@ -70,6 +72,9 @@ class Nip05Verifier() {
     }
 
     fun verifyNip05(nip05: String, onSuccess: (String) -> Unit, onError: (String) -> Unit) {
+        // check fails on tests
+        // checkNotInMainThread()
+
         val mapper = jacksonObjectMapper()
 
         fetchNip05Json(

app/src/main/java/com/vitorpamplona/amethyst/service/NostrSearchEventOrUserDataSource.kt

@@ -48,14 +48,14 @@ object NostrSearchEventOrUserDataSource : NostrDataSource("SingleEventFeed") {
                 filter = JsonFilter(
                     kinds = listOf(MetadataEvent.kind),
                     search = mySearchString,
-                    limit = 20
+                    limit = 100
                 )
             ),
             TypedFilter(
                 types = setOf(FeedType.SEARCH),
                 filter = JsonFilter(
                     search = mySearchString,
-                    limit = 20
+                    limit = 100
                 )
             )
         )

app/src/main/java/com/vitorpamplona/amethyst/service/NostrSingleEventDataSource.kt

@@ -114,17 +114,6 @@ object NostrSingleEventDataSource : NostrDataSource("SingleEventFeed") {
             TypedFilter(
                 types = COMMON_FEED_TYPES,
                 filter = JsonFilter(
-                    kinds = listOf(
-                        TextNoteEvent.kind, LongTextNoteEvent.kind, PollNoteEvent.kind,
-                        ReactionEvent.kind, RepostEvent.kind,
-                        LnZapEvent.kind, LnZapRequestEvent.kind,
-                        ChannelMessageEvent.kind, ChannelCreateEvent.kind, ChannelMetadataEvent.kind,
-                        BadgeDefinitionEvent.kind, BadgeAwardEvent.kind, BadgeProfilesEvent.kind,
-                        PrivateDmEvent.kind,
-                        FileHeaderEvent.kind, FileStorageEvent.kind, FileStorageHeaderEvent.kind,
-                        HighlightEvent.kind, AudioTrackEvent.kind, PinListEvent.kind,
-                        PeopleListEvent.kind, BookmarkListEvent.kind
-                    ),
                     ids = interestedEvents.toList()
                 )
             )

app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LightningAddressResolver.kt

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.service.lnurl
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.service.HttpClient
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -45,6 +46,8 @@ class LightningAddressResolver() {
     }
 
     private suspend fun fetchLightningAddressJsonSuspend(lnaddress: String, onSuccess: (String) -> Unit, onError: (String) -> Unit) {
+        checkNotInMainThread()
+
         val url = assembleUrl(lnaddress)
 
         if (url == null) {

app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LnInvoiceUtil.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.service.lnurl
 
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import java.math.BigDecimal
 import java.util.Locale
 import java.util.regex.Pattern
@@ -98,7 +99,7 @@ object LnInvoiceUtil {
      * @return invoice amount in bitcoins, zero if the invoice has no amount
      * @throws RuntimeException if invoice format is incorrect
      */
-    fun getAmount(invoice: String): BigDecimal {
+    private fun getAmount(invoice: String): BigDecimal {
         try {
             decodeUnlimitedLength(invoice) // checksum must match
         } catch (e: AddressFormatException) {
@@ -121,6 +122,8 @@ object LnInvoiceUtil {
     }
 
     fun getAmountInSats(invoice: String): BigDecimal {
+        checkNotInMainThread()
+
         return getAmount(invoice).multiply(BigDecimal(100000000))
     }
 

app/src/main/java/com/vitorpamplona/amethyst/service/model/Event.kt

@@ -138,7 +138,7 @@ open class Event(
             .replace("\\u2028", "\u2028")
             .replace("\\u2029", "\u2029")
 
-        return sha256.digest(rawEventJson.toByteArray()).toHexKey()
+        return MessageDigest.getInstance("SHA-256").digest(rawEventJson.toByteArray()).toHexKey()
     }
 
     private class EventDeserializer : JsonDeserializer<Event> {
@@ -212,7 +212,6 @@ open class Event(
     companion object {
         private val secp256k1 = Secp256k1.get()
 
-        val sha256: MessageDigest = MessageDigest.getInstance("SHA-256")
         val gson: Gson = GsonBuilder()
             .disableHtmlEscaping()
             .registerTypeAdapter(Event::class.java, EventSerializer())
@@ -283,7 +282,7 @@ open class Event(
                 .replace("\\u2028", "\u2028")
                 .replace("\\u2029", "\u2029")
 
-            return sha256.digest(rawEventJson.toByteArray())
+            return MessageDigest.getInstance("SHA-256").digest(rawEventJson.toByteArray())
         }
 
         fun create(privateKey: ByteArray, kind: Int, tags: List<List<String>> = emptyList(), content: String = "", createdAt: Long = Date().time / 1000): Event {

app/src/main/java/com/vitorpamplona/amethyst/service/model/LnZapRequestEvent.kt

@@ -5,6 +5,7 @@ import com.vitorpamplona.amethyst.model.*
 import nostr.postr.Bech32
 import nostr.postr.Utils
 import java.nio.charset.Charset
+import java.security.MessageDigest
 import java.security.SecureRandom
 import java.util.*
 import javax.crypto.BadPaddingException
@@ -133,7 +134,7 @@ class LnZapRequestEvent(
         fun createEncryptionPrivateKey(privkey: String, id: String, createdAt: Long): ByteArray {
             var str = privkey + id + createdAt.toString()
             var strbyte = str.toByteArray(Charset.forName("utf-8"))
-            return sha256.digest(strbyte)
+            return MessageDigest.getInstance("SHA-256").digest(strbyte)
         }
 
         private fun encryptPrivateZapMessage(msg: String, privkey: ByteArray, pubkey: ByteArray): String {

app/src/main/java/com/vitorpamplona/amethyst/service/previews/BahaUrlPreview.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.previews
 
 import android.net.Uri
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import kotlinx.coroutines.*
 import java.util.*
 
@@ -18,6 +19,7 @@ class BahaUrlPreview(val url: String, var callback: IUrlPreviewCallback?) {
     }
 
     private suspend fun fetch(timeOut: Int = 30000) {
+        checkNotInMainThread()
         lateinit var urlInfoItem: UrlInfoItem
         if (checkIsImageUrl()) {
             urlInfoItem = UrlInfoItem(url = url, image = url)

app/src/main/java/com/vitorpamplona/amethyst/service/relays/Relay.kt

@@ -72,6 +72,8 @@ class Relay(
     fun requestAndWatch() {
         checkNotInMainThread()
         requestAndWatch {
+            checkNotInMainThread()
+
             // Sends everything.
             Client.allSubscriptions().forEach {
                 sendFilter(requestId = it)
@@ -92,6 +94,8 @@ class Relay(
             val listener = object : WebSocketListener() {
 
                 override fun onOpen(webSocket: WebSocket, response: Response) {
+                    checkNotInMainThread()
+
                     afterEOSE = false
                     isReady = true
                     ping = response.receivedResponseAtMillis - response.sentRequestAtMillis
@@ -102,6 +106,8 @@ class Relay(
                 }
 
                 override fun onMessage(webSocket: WebSocket, text: String) {
+                    checkNotInMainThread()
+
                     eventDownloadCounterInBytes += text.bytesUsedInMemory()
 
                     try {
@@ -156,6 +162,8 @@ class Relay(
                 }
 
                 override fun onClosing(webSocket: WebSocket, code: Int, reason: String) {
+                    checkNotInMainThread()
+
                     listeners.forEach {
                         it.onRelayStateChange(
                             this@Relay,
@@ -166,6 +174,8 @@ class Relay(
                 }
 
                 override fun onClosed(webSocket: WebSocket, code: Int, reason: String) {
+                    checkNotInMainThread()
+
                     socket = null
                     isReady = false
                     afterEOSE = false
@@ -174,6 +184,8 @@ class Relay(
                 }
 
                 override fun onFailure(webSocket: WebSocket, t: Throwable, response: Response?) {
+                    checkNotInMainThread()
+
                     errorCounter++
 
                     socket?.close(1000, "Normal close")
@@ -212,6 +224,8 @@ class Relay(
     }
 
     fun sendFilter(requestId: String) {
+        checkNotInMainThread()
+
         if (read) {
             if (isConnected()) {
                 if (isReady) {
@@ -236,6 +250,8 @@ class Relay(
     }
 
     fun sendFilterOnlyIfDisconnected() {
+        checkNotInMainThread()
+
         if (socket == null) {
             // waits 60 seconds to reconnect after disconnected.
             if (Date().time / 1000 > closingTime + 60) {
@@ -246,6 +262,8 @@ class Relay(
     }
 
     fun send(signedEvent: EventInterface) {
+        checkNotInMainThread()
+
         if (signedEvent is RelayAuthEvent) {
             val event = """["AUTH",${signedEvent.toJson()}]"""
             socket?.send(event)

app/src/main/java/com/vitorpamplona/amethyst/service/relays/RelayPool.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.relays
 
 import androidx.lifecycle.LiveData
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.EventInterface
 import kotlinx.coroutines.CoroutineScope
@@ -48,6 +49,8 @@ object RelayPool : Relay.Listener {
     }
 
     fun requestAndWatch() {
+        checkNotInMainThread()
+
         relays.forEach { it.requestAndWatch() }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/service/relays/TypedFilter.kt

@@ -55,6 +55,9 @@ class TypedFilter(
         filter.limit?.run {
             jsonObject.addProperty("limit", filter.limit)
         }
+        filter.search?.run {
+            jsonObject.addProperty("search", filter.search)
+        }
         return jsonObject
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/JoinUserOrChannelView.kt

@@ -14,6 +14,7 @@ import androidx.compose.foundation.layout.heightIn
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material.Divider
@@ -28,6 +29,8 @@ import androidx.compose.material.icons.filled.Clear
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.remember
@@ -55,6 +58,7 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.ui.note.ChannelName
 import com.vitorpamplona.amethyst.ui.note.UserPicture
 import com.vitorpamplona.amethyst.ui.note.UsernameDisplay
@@ -73,13 +77,27 @@ import kotlinx.coroutines.withContext
 
 @Composable
 fun JoinUserOrChannelView(onClose: () -> Unit, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    val searchBarViewModel: SearchBarViewModel = viewModel()
-    searchBarViewModel.account = accountViewModel.account
+    val searchBarViewModel: SearchBarViewModel = viewModel(
+        key = accountViewModel.account.userProfile().pubkeyHex + "SearchBarViewModel",
+        factory = SearchBarViewModel.Factory(
+            accountViewModel.account
+        )
+    )
 
+    JoinUserOrChannelView(
+        searchBarViewModel = searchBarViewModel,
+        onClose = onClose,
+        accountViewModel = accountViewModel,
+        nav = nav
+    )
+}
+
+@Composable
+fun JoinUserOrChannelView(searchBarViewModel: SearchBarViewModel, onClose: () -> Unit, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     Dialog(
         onDismissRequest = {
             NostrSearchEventOrUserDataSource.clear()
-            searchBarViewModel.clean()
+            searchBarViewModel.clear()
             onClose()
         },
         properties = DialogProperties(
@@ -88,7 +106,9 @@ fun JoinUserOrChannelView(onClose: () -> Unit, accountViewModel: AccountViewMode
     ) {
         Surface() {
             Column(
-                modifier = Modifier.padding(10.dp).heightIn(min = 500.dp)
+                modifier = Modifier
+                    .padding(10.dp)
+                    .heightIn(min = 500.dp)
             ) {
                 Row(
                     modifier = Modifier.fillMaxWidth(),
@@ -96,7 +116,7 @@ fun JoinUserOrChannelView(onClose: () -> Unit, accountViewModel: AccountViewMode
                     verticalAlignment = Alignment.CenterVertically
                 ) {
                     CloseButton(onCancel = {
-                        searchBarViewModel.clean()
+                        searchBarViewModel.clear()
                         NostrSearchEventOrUserDataSource.clear()
                         onClose()
                     })
@@ -115,28 +135,20 @@ fun JoinUserOrChannelView(onClose: () -> Unit, accountViewModel: AccountViewMode
 
                 Spacer(modifier = Modifier.height(15.dp))
 
-                RenderSeach(searchBarViewModel, accountViewModel, nav)
+                RenderSearch(searchBarViewModel, accountViewModel, nav)
             }
         }
     }
 }
 
-@OptIn(ExperimentalComposeUiApi::class)
 @Composable
-private fun RenderSeach(
+private fun RenderSearch(
     searchBarViewModel: SearchBarViewModel,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    val scope = rememberCoroutineScope()
     val listState = rememberLazyListState()
 
-    // initialize focus reference to be able to request focus programmatically
-    val focusRequester = remember { FocusRequester() }
-    val keyboardController = LocalSoftwareKeyboardController.current
-
-    val onlineSearch = NostrSearchEventOrUserDataSource
-
     val lifeCycleOwner = LocalLifecycleOwner.current
 
     // Create a channel for processing search queries.
@@ -147,7 +159,8 @@ private fun RenderSeach(
     LaunchedEffect(Unit) {
         launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect {
-                if (searchBarViewModel.isSearching()) {
+                checkNotInMainThread()
+                if (searchBarViewModel.isSearchingFun()) {
                     searchBarViewModel.invalidateData()
                 }
             }
@@ -155,9 +168,6 @@ private fun RenderSeach(
     }
 
     LaunchedEffect(Unit) {
-        delay(100)
-        focusRequester.requestFocus()
-
         // Wait for text changes to stop for 300 ms before firing off search.
         withContext(Dispatchers.IO) {
             searchTextChanges.receiveAsFlow()
@@ -166,13 +176,13 @@ private fun RenderSeach(
                 .debounce(300)
                 .collectLatest {
                     if (it.length >= 2) {
-                        onlineSearch.search(it.trim())
+                        NostrSearchEventOrUserDataSource.search(it.trim())
                     }
 
                     searchBarViewModel.invalidateData()
 
                     // makes sure to show the top of the search
-                    scope.launch(Dispatchers.Main) {
+                    launch(Dispatchers.Main) {
                         listState.animateScrollToItem(0)
                     }
                 }
@@ -200,8 +210,34 @@ private fun RenderSeach(
     }
 
     // LAST ROW
+    SearchEditTextForJoin(searchBarViewModel, searchTextChanges)
+
+    RenderSearchResults(searchBarViewModel, listState, accountViewModel, nav)
+}
+
+@OptIn(ExperimentalComposeUiApi::class)
+@Composable
+private fun SearchEditTextForJoin(
+    searchBarViewModel: SearchBarViewModel,
+    searchTextChanges: Channel<String>
+) {
+    val scope = rememberCoroutineScope()
+
+    // initialize focus reference to be able to request focus programmatically
+    val focusRequester = remember { FocusRequester() }
+    val keyboardController = LocalSoftwareKeyboardController.current
+
+    LaunchedEffect(Unit) {
+        launch {
+            delay(100)
+            focusRequester.requestFocus()
+        }
+    }
+
     Row(
-        modifier = Modifier.padding(horizontal = 10.dp).fillMaxWidth(),
+        modifier = Modifier
+            .padding(horizontal = 10.dp)
+            .fillMaxWidth(),
         horizontalArrangement = Arrangement.SpaceBetween,
         verticalAlignment = Alignment.CenterVertically
     ) {
@@ -238,11 +274,11 @@ private fun RenderSeach(
                 )
             },
             trailingIcon = {
-                if (searchBarViewModel.isTrailingIconVisible) {
+                if (searchBarViewModel.isSearching) {
                     IconButton(
                         onClick = {
-                            searchBarViewModel.clean()
-                            onlineSearch.clear()
+                            searchBarViewModel.clear()
+                            NostrSearchEventOrUserDataSource.clear()
                         }
                     ) {
                         Icon(
@@ -254,10 +290,24 @@ private fun RenderSeach(
             }
         )
     }
+}
+
+@Composable
+private fun RenderSearchResults(
+    searchBarViewModel: SearchBarViewModel,
+    listState: LazyListState,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
+    if (searchBarViewModel.isSearching) {
+        val users by searchBarViewModel.searchResultsUsers.collectAsState()
+        val channels by searchBarViewModel.searchResultsChannels.collectAsState()
 
-    if (searchBarViewModel.searchValue.isNotBlank()) {
         Row(
-            modifier = Modifier.fillMaxWidth().fillMaxHeight().padding(vertical = 10.dp)
+            modifier = Modifier
+                .fillMaxWidth()
+                .fillMaxHeight()
+                .padding(vertical = 10.dp)
         ) {
             LazyColumn(
                 modifier = Modifier.fillMaxHeight(),
@@ -268,50 +318,60 @@ private fun RenderSeach(
                 state = listState
             ) {
                 itemsIndexed(
-                    searchBarViewModel.searchResultsUsers.value,
+                    users,
                     key = { _, item -> "u" + item.pubkeyHex }
                 ) { _, item ->
-                    UserComposeForChat(
-                        item,
-                        accountViewModel = accountViewModel,
-                        nav = nav
-                    )
+                    UserComposeForChat(item, accountViewModel) {
+                        nav("Room/${item.pubkeyHex}")
+                        searchBarViewModel.clear()
+                    }
                 }
 
                 itemsIndexed(
-                    searchBarViewModel.searchResultsChannels.value,
+                    channels,
                     key = { _, item -> "c" + item.idHex }
                 ) { _, item ->
-                    ChannelName(
-                        channelIdHex = item.idHex,
-                        channelPicture = item.profilePicture(),
-                        channelTitle = {
-                            Text(
-                                "${item.info.name}",
-                                fontWeight = FontWeight.Bold
-                            )
-                        },
-                        channelLastTime = null,
-                        channelLastContent = item.info.about,
-                        false,
-                        onClick = { nav("Channel/${item.idHex}") }
-                    )
+                    RenderChannel(item) {
+                        nav("Channel/${item.idHex}")
+                        searchBarViewModel.clear()
+                    }
                 }
             }
         }
     }
 }
 
+@Composable
+private fun RenderChannel(
+    item: com.vitorpamplona.amethyst.model.Channel,
+    onClick: () -> Unit
+) {
+    ChannelName(
+        channelIdHex = item.idHex,
+        channelPicture = item.profilePicture(),
+        channelTitle = {
+            Text(
+                "${item.info.name}",
+                fontWeight = FontWeight.Bold
+            )
+        },
+        channelLastTime = null,
+        channelLastContent = item.info.about,
+        false,
+        onClick = onClick
+    )
+}
+
 @Composable
 fun UserComposeForChat(
     baseUser: User,
     accountViewModel: AccountViewModel,
-    nav: (String) -> Unit
+    onClick: () -> Unit
 ) {
     Column(
         modifier =
         Modifier.clickable(
-            onClick = { nav("Room/${baseUser.pubkeyHex}") }
+            onClick = onClick
         )
     ) {
         Row(
@@ -323,22 +383,18 @@ fun UserComposeForChat(
                 ),
             verticalAlignment = Alignment.CenterVertically
         ) {
-            UserPicture(baseUser, nav, accountViewModel, 55.dp)
+            UserPicture(baseUser, 55.dp, accountViewModel)
 
-            Column(modifier = Modifier.padding(start = 10.dp).weight(1f)) {
+            Column(
+                modifier = Modifier
+                    .padding(start = 10.dp)
+                    .weight(1f)
+            ) {
                 Row(verticalAlignment = Alignment.CenterVertically) {
                     UsernameDisplay(baseUser)
                 }
 
-                val baseUserState by baseUser.live().metadata.observeAsState()
-                val user = baseUserState?.user ?: return
-
-                Text(
-                    user.info?.about ?: "",
-                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
-                    maxLines = 1,
-                    overflow = TextOverflow.Ellipsis
-                )
+                DisplayUserAboutInfo(baseUser)
             }
         }
 
@@ -348,3 +404,20 @@ fun UserComposeForChat(
         )
     }
 }
+
+@Composable
+private fun DisplayUserAboutInfo(baseUser: User) {
+    val baseUserState by baseUser.live().metadata.observeAsState()
+    val about by remember(baseUserState) {
+        derivedStateOf {
+            baseUserState?.user?.info?.about ?: ""
+        }
+    }
+
+    Text(
+        text = about,
+        color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f),
+        maxLines = 1,
+        overflow = TextOverflow.Ellipsis
+    )
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaModel.kt

@@ -3,6 +3,7 @@ package com.vitorpamplona.amethyst.ui.actions
 import android.content.Context
 import android.net.Uri
 import android.util.Log
+import androidx.compose.runtime.Stable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
@@ -14,6 +15,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
 
+@Stable
 open class NewMediaModel : ViewModel() {
     var account: Account? = null
 

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt

@@ -33,8 +33,10 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.ui.components.*
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @Composable
 fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
@@ -47,8 +49,13 @@ fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, ac
     LaunchedEffect(uri) {
         val mediaType = resolver.getType(uri) ?: ""
         postViewModel.load(account, uri, mediaType)
-        postViewModel.imageUploadingError.collect { error ->
-            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+
+        launch(Dispatchers.IO) {
+            postViewModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+                }
+            }
         }
     }
 
@@ -124,8 +131,8 @@ fun ImageVideoPost(postViewModel: NewMediaModel, acc: Account) {
         Triple(ServersAvailable.NIP95, stringResource(id = R.string.upload_server_relays_nip95), stringResource(id = R.string.upload_server_relays_nip95_explainer))
     )
 
-    val fileServerOptions = fileServers.map { it.second }
-    val fileServerExplainers = fileServers.map { it.third }
+    val fileServerOptions = remember { fileServers.map { it.second }.toImmutableList() }
+    val fileServerExplainers = remember { fileServers.map { it.third }.toImmutableList() }
     val resolver = LocalContext.current.contentResolver
 
     Row(
@@ -172,7 +179,7 @@ fun ImageVideoPost(postViewModel: NewMediaModel, acc: Account) {
             }
         } else {
             postViewModel.galleryUri?.let {
-                VideoView(it)
+                VideoView(it.toString())
             }
         }
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt

@@ -30,6 +30,7 @@ import androidx.compose.material.icons.rounded.Warning
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.Stable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
@@ -70,10 +71,12 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.UserLine
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
+import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalComposeUiApi::class)
 @Composable
@@ -97,8 +100,12 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
         delay(100)
         focusRequester.requestFocus()
 
-        postViewModel.imageUploadingError.collect { error ->
-            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+        launch(Dispatchers.IO) {
+            postViewModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+                }
+            }
         }
     }
 
@@ -163,7 +170,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
                                 .fillMaxWidth()
                                 .verticalScroll(scrollState)
                         ) {
-                            Notifying(postViewModel.mentions) {
+                            Notifying(postViewModel.mentions?.toImmutableList()) {
                                 postViewModel.removeFromReplyList(it)
                             }
 
@@ -373,7 +380,7 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
 
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
-fun Notifying(baseMentions: List<User>?, onClick: (User) -> Unit) {
+fun Notifying(baseMentions: ImmutableList<User>?, onClick: (User) -> Unit) {
     val mentions = baseMentions?.toSet()
 
     FlowRow(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.padding(horizontal = 10.dp)) {
@@ -390,7 +397,7 @@ fun Notifying(baseMentions: List<User>?, onClick: (User) -> Unit) {
                     Spacer(modifier = Modifier.width(5.dp))
 
                     val tags = remember(innerUserState) {
-                        myUser.info?.latestMetadata?.tags?.toImmutableList()
+                        myUser.info?.latestMetadata?.tags?.toImmutableListOfLists()
                     }
 
                     Button(
@@ -747,8 +754,8 @@ fun ImageVideoDescription(
         Triple(ServersAvailable.NIP95, stringResource(id = R.string.upload_server_relays_nip95), stringResource(id = R.string.upload_server_relays_nip95_explainer))
     )
 
-    val fileServerOptions = fileServers.map { it.second }
-    val fileServerExplainers = fileServers.map { it.third }
+    val fileServerOptions = remember { fileServers.map { it.second }.toImmutableList() }
+    val fileServerExplainers = remember { fileServers.map { it.third }.toImmutableList() }
 
     var selectedServer by remember { mutableStateOf(defaultServer) }
     var message by remember { mutableStateOf("") }
@@ -854,7 +861,7 @@ fun ImageVideoDescription(
                         )
                     }
                 } else {
-                    VideoView(uri)
+                    VideoView(uri.toString())
                 }
             }
 
@@ -922,3 +929,10 @@ fun ImageVideoDescription(
         }
     }
 }
+
+@Stable
+data class ImmutableListOfLists<T>(val lists: List<List<T>> = emptyList())
+
+fun List<List<String>>.toImmutableListOfLists(): ImmutableListOfLists<String> {
+    return ImmutableListOfLists(this)
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostViewModel.kt

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.ui.actions
 
 import android.content.Context
 import android.net.Uri
+import androidx.compose.runtime.Stable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateMapOf
@@ -24,6 +25,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
 
+@Stable
 open class NewPostViewModel() : ViewModel() {
     var account: Account? = null
     var originalNote: Note? = null

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewRelayListViewModel.kt

@@ -7,6 +7,7 @@ import com.vitorpamplona.amethyst.service.model.ContactListEvent
 import com.vitorpamplona.amethyst.service.relays.Constants
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.RelayPool
+import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
@@ -46,7 +47,7 @@ class NewRelayListViewModel : ViewModel() {
             if (relayFile != null) {
                 relayFile.map {
                     val liveRelay = RelayPool.getRelay(it.key)
-                    val localInfoFeedTypes = account.localRelays.filter { localRelay -> localRelay.url == it.key }.firstOrNull()?.feedTypes ?: FeedType.values().toSet()
+                    val localInfoFeedTypes = account.localRelays.filter { localRelay -> localRelay.url == it.key }.firstOrNull()?.feedTypes ?: FeedType.values().toSet().toImmutableSet()
 
                     val errorCounter = liveRelay?.errorCounter ?: 0
                     val eventDownloadCounter = liveRelay?.eventDownloadCounterInBytes ?: 0

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewUserMetadataView.kt

@@ -28,6 +28,9 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @Composable
 fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
@@ -37,8 +40,12 @@ fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
     LaunchedEffect(Unit) {
         postViewModel.load(account)
 
-        postViewModel.imageUploadingError.collect { error ->
-            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+        launch(Dispatchers.IO) {
+            postViewModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+                }
+            }
         }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewUserMetadataViewModel.kt

@@ -13,6 +13,7 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.service.model.GitHubIdentity
 import com.vitorpamplona.amethyst.service.model.MastodonIdentity
 import com.vitorpamplona.amethyst.service.model.TwitterIdentity
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
 import java.io.ByteArrayInputStream
@@ -119,7 +120,9 @@ class NewUserMetadataViewModel : ViewModel() {
         val writer = StringWriter()
         ObjectMapper().writeValue(writer, currentJson)
 
-        account.sendNewUserMetadata(writer.buffer.toString(), newClaims)
+        viewModelScope.launch(Dispatchers.IO) {
+            account.sendNewUserMetadata(writer.buffer.toString(), newClaims)
+        }
 
         clear()
     }

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/UploadFromGallery.kt

@@ -28,6 +28,8 @@ import com.google.accompanist.permissions.isGranted
 import com.google.accompanist.permissions.rememberPermissionState
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.GetMediaActivityResultContract
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.toImmutableList
 import java.util.concurrent.atomic.AtomicBoolean
 
 @OptIn(ExperimentalPermissionsApi::class)
@@ -99,21 +101,23 @@ private fun UploadBoxButton(
     }
 }
 
+val DefaultAnimationColors = listOf(
+    Color(0xFF5851D8),
+    Color(0xFF833AB4),
+    Color(0xFFC13584),
+    Color(0xFFE1306C),
+    Color(0xFFFD1D1D),
+    Color(0xFFF56040),
+    Color(0xFFF77737),
+    Color(0xFFFCAF45),
+    Color(0xFFFFDC80),
+    Color(0xFF5851D8)
+).toImmutableList()
+
 @Composable
 fun LoadingAnimation(
     indicatorSize: Dp = 20.dp,
-    circleColors: List<Color> = listOf(
-        Color(0xFF5851D8),
-        Color(0xFF833AB4),
-        Color(0xFFC13584),
-        Color(0xFFE1306C),
-        Color(0xFFFD1D1D),
-        Color(0xFFF56040),
-        Color(0xFFF77737),
-        Color(0xFFFCAF45),
-        Color(0xFFFFDC80),
-        Color(0xFF5851D8)
-    ),
+    circleColors: ImmutableList<Color> = DefaultAnimationColors,
     animationDuration: Int = 1000
 ) {
     val infiniteTransition = rememberInfiniteTransition()

app/src/main/java/com/vitorpamplona/amethyst/ui/components/BundledUpdate.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.components
 
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -58,6 +59,8 @@ class BundledInsert<T>(
     private var queue = LinkedBlockingQueue<T>()
 
     fun invalidateList(newObject: T, onUpdate: suspend (Set<T>) -> Unit) {
+        checkNotInMainThread()
+
         queue.put(newObject)
         if (onlyOneInBlock.getAndSet(true)) {
             return

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableRoute.kt

@@ -47,6 +47,8 @@ import com.vitorpamplona.amethyst.service.NIP30Parser
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
 import com.vitorpamplona.amethyst.service.nip19.Nip19
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.note.LoadChannel
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableMap
@@ -60,20 +62,46 @@ fun ClickableRoute(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    if (nip19.type == Nip19.Type.USER) {
-        DisplayUser(nip19, nav)
-    } else if (nip19.type == Nip19.Type.ADDRESS) {
-        DisplayAddress(nip19, nav)
-    } else if (nip19.type == Nip19.Type.NOTE) {
-        DisplayNote(nip19, nav)
-    } else if (nip19.type == Nip19.Type.EVENT) {
-        DisplayEvent(nip19, nav)
-    } else {
-        Text(
-            remember {
-                "@${nip19.hex}${nip19.additionalChars} "
+    when (nip19.type) {
+        Nip19.Type.USER -> {
+            DisplayUser(nip19, nav)
+        }
+        Nip19.Type.ADDRESS -> {
+            DisplayAddress(nip19, nav)
+        }
+        Nip19.Type.NOTE -> {
+            DisplayNote(nip19, nav)
+        }
+        Nip19.Type.EVENT -> {
+            DisplayEvent(nip19, nav)
+        }
+        else -> {
+            Text(
+                remember {
+                    "@${nip19.hex}${nip19.additionalChars} "
+                }
+            )
+        }
+    }
+}
+
+@Composable
+private fun LoadNote(
+    hex: String,
+    content: @Composable (Note) -> Unit
+) {
+    var noteBase by remember(hex) { mutableStateOf<Note?>(null) }
+
+    LaunchedEffect(key1 = hex) {
+        if (noteBase == null) {
+            launch(Dispatchers.IO) {
+                noteBase = LocalCache.checkGetOrCreateNote(hex)
             }
-        )
+        }
+    }
+
+    noteBase?.let {
+        content(it)
     }
 }
 
@@ -82,69 +110,8 @@ private fun DisplayEvent(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    var noteBase by remember(nip19) { mutableStateOf<Note?>(null) }
-
-    LaunchedEffect(key1 = nip19.hex) {
-        if (noteBase == null) {
-            launch(Dispatchers.IO) {
-                noteBase = LocalCache.checkGetOrCreateNote(nip19.hex)
-            }
-        }
-    }
-
-    noteBase?.let {
-        val noteState by it.live().metadata.observeAsState()
-        val note = remember(noteState) { noteState?.note } ?: return
-        val channelHex = remember(noteState) { note.channelHex() }
-        val noteIdDisplayNote = remember(noteState) { "@${note.idDisplayNote()}" }
-        val addedCharts = remember { "${nip19.additionalChars} " }
-
-        if (note.event is ChannelCreateEvent) {
-            CreateClickableText(
-                clickablePart = noteIdDisplayNote,
-                suffix = addedCharts,
-                route = remember(noteState) { "Channel/${nip19.hex}" },
-                nav = nav
-            )
-        } else if (note.event is PrivateDmEvent) {
-            CreateClickableText(
-                clickablePart = noteIdDisplayNote,
-                suffix = addedCharts,
-                route = remember(noteState) { "Room/${note.author?.pubkeyHex}" },
-                nav = nav
-            )
-        } else if (channelHex != null) {
-            LoadChannel(baseChannelHex = channelHex) { baseChannel ->
-                val channelState by baseChannel.live.observeAsState()
-                val channelDisplayName by remember(channelState) {
-                    derivedStateOf {
-                        channelState?.channel?.toBestDisplayName() ?: noteIdDisplayNote
-                    }
-                }
-
-                CreateClickableText(
-                    clickablePart = channelDisplayName,
-                    suffix = addedCharts,
-                    route = remember(noteState) { "Channel/${baseChannel.idHex}" },
-                    nav = nav
-                )
-            }
-        } else {
-            CreateClickableText(
-                clickablePart = noteIdDisplayNote,
-                suffix = addedCharts,
-                route = remember(noteState) { "Event/${nip19.hex}" },
-                nav = nav
-            )
-        }
-    }
-
-    if (noteBase == null) {
-        Text(
-            remember {
-                "@${nip19.hex}${nip19.additionalChars} "
-            }
-        )
+    LoadNote(nip19.hex) {
+        DisplayNoteLink(it, nip19, nav)
     }
 }
 
@@ -153,66 +120,61 @@ private fun DisplayNote(
     nip19: Nip19.Return,
     nav: (String) -> Unit
 ) {
-    var noteBase by remember(nip19) { mutableStateOf<Note?>(null) }
-
-    LaunchedEffect(key1 = nip19.hex) {
-        launch(Dispatchers.IO) {
-            noteBase = LocalCache.checkGetOrCreateNote(nip19.hex)
-        }
+    LoadNote(nip19.hex) {
+        DisplayNoteLink(it, nip19, nav)
     }
+}
 
-    noteBase?.let {
-        val noteState by it.live().metadata.observeAsState()
-        val note = remember(noteState) { noteState?.note } ?: return
-        val channelHex = remember(noteState) { note.channelHex() }
-        val noteIdDisplayNote = remember(noteState) { "@${note.idDisplayNote()}" }
-        val addedCharts = remember { "${nip19.additionalChars} " }
+@Composable
+private fun DisplayNoteLink(
+    it: Note,
+    nip19: Nip19.Return,
+    nav: (String) -> Unit
+) {
+    val noteState by it.live().metadata.observeAsState()
 
-        if (note.event is ChannelCreateEvent) {
-            CreateClickableText(
-                clickablePart = noteIdDisplayNote,
-                suffix = addedCharts,
-                route = remember(noteState) { "Channel/${nip19.hex}" },
-                nav = nav
-            )
-        } else if (note.event is PrivateDmEvent) {
-            CreateClickableText(
-                clickablePart = noteIdDisplayNote,
-                suffix = addedCharts,
-                route = remember(noteState) { "Room/${note.author?.pubkeyHex}" },
-                nav = nav
-            )
-        } else if (channelHex != null) {
-            LoadChannel(baseChannelHex = channelHex) { baseChannel ->
-                val channelState by baseChannel.live.observeAsState()
-                val channelDisplayName by remember(channelState) {
-                    derivedStateOf {
-                        channelState?.channel?.toBestDisplayName() ?: noteIdDisplayNote
-                    }
+    val note = remember(noteState) { noteState?.note } ?: return
+
+    val channelHex = remember(noteState) { note.channelHex() }
+    val noteIdDisplayNote = remember(noteState) { "@${note.idDisplayNote()}" }
+    val addedCharts = remember { "${nip19.additionalChars} " }
+
+    if (note.event is ChannelCreateEvent || nip19.kind == ChannelCreateEvent.kind) {
+        CreateClickableText(
+            clickablePart = noteIdDisplayNote,
+            suffix = addedCharts,
+            route = remember(noteState) { "Channel/${nip19.hex}" },
+            nav = nav
+        )
+    } else if (note.event is PrivateDmEvent || nip19.kind == PrivateDmEvent.kind) {
+        CreateClickableText(
+            clickablePart = noteIdDisplayNote,
+            suffix = addedCharts,
+            route = remember(noteState) { "Room/${note.author?.pubkeyHex}" },
+            nav = nav
+        )
+    } else if (channelHex != null) {
+        LoadChannel(baseChannelHex = channelHex) { baseChannel ->
+            val channelState by baseChannel.live.observeAsState()
+            val channelDisplayName by remember(channelState) {
+                derivedStateOf {
+                    channelState?.channel?.toBestDisplayName() ?: noteIdDisplayNote
                 }
-
-                CreateClickableText(
-                    clickablePart = channelDisplayName,
-                    suffix = addedCharts,
-                    route = remember(noteState) { "Channel/${baseChannel.idHex}" },
-                    nav = nav
-                )
             }
-        } else {
+
             CreateClickableText(
-                clickablePart = noteIdDisplayNote,
+                clickablePart = channelDisplayName,
                 suffix = addedCharts,
-                route = remember(noteState) { "Note/${nip19.hex}" },
+                route = remember(noteState) { "Channel/${baseChannel.idHex}" },
                 nav = nav
             )
         }
-    }
-
-    if (noteBase == null) {
-        Text(
-            remember {
-                "@${nip19.hex}${nip19.additionalChars} "
-            }
+    } else {
+        CreateClickableText(
+            clickablePart = noteIdDisplayNote,
+            suffix = addedCharts,
+            route = remember(noteState) { "Event/${nip19.hex}" },
+            nav = nav
         )
     }
 }
@@ -271,7 +233,7 @@ private fun DisplayUser(
         val userState by it.live().metadata.observeAsState()
         val route = remember(userState) { "User/${it.pubkeyHex}" }
         val userDisplayName = remember(userState) { userState?.user?.toBestDisplayName() }
-        val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+        val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
         val addedCharts = remember {
             "${nip19.additionalChars} "
         }
@@ -325,7 +287,7 @@ fun CreateClickableText(
 @Composable
 fun CreateTextWithEmoji(
     text: String,
-    tags: ImmutableList<List<String>>?,
+    tags: ImmutableListOfLists<String>?,
     color: Color = Color.Unspecified,
     textAlign: TextAlign? = null,
     fontWeight: FontWeight? = null,
@@ -339,7 +301,7 @@ fun CreateTextWithEmoji(
     LaunchedEffect(key1 = text) {
         launch(Dispatchers.Default) {
             val emojis =
-                tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+                tags?.lists?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
 
             if (emojis.isNotEmpty()) {
                 val newEmojiList = assembleAnnotatedList(text, emojis)
@@ -440,7 +402,7 @@ fun CreateTextWithEmoji(
 @Composable
 fun CreateClickableTextWithEmoji(
     clickablePart: String,
-    tags: ImmutableList<List<String>>?,
+    tags: ImmutableListOfLists<String>?,
     style: TextStyle,
     onClick: (Int) -> Unit
 ) {
@@ -449,7 +411,7 @@ fun CreateClickableTextWithEmoji(
     LaunchedEffect(key1 = clickablePart) {
         launch(Dispatchers.Default) {
             val emojis =
-                tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+                tags?.lists?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
 
             if (emojis.isNotEmpty()) {
                 val newEmojiList = assembleAnnotatedList(clickablePart, emojis)
@@ -477,7 +439,7 @@ fun CreateClickableTextWithEmoji(
 fun CreateClickableTextWithEmoji(
     clickablePart: String,
     suffix: String,
-    tags: ImmutableList<List<String>>?,
+    tags: ImmutableListOfLists<String>?,
     overrideColor: Color? = null,
     fontWeight: FontWeight = FontWeight.Normal,
     route: String,
@@ -490,7 +452,7 @@ fun CreateClickableTextWithEmoji(
     LaunchedEffect(key1 = clickablePart) {
         launch(Dispatchers.Default) {
             val emojis =
-                tags?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
+                tags?.lists?.filter { it.size > 2 && it[0] == "emoji" }?.associate { ":${it[1]}:" to it[2] } ?: emptyMap()
 
             if (emojis.isNotEmpty()) {
                 val newEmojiList1 = assembleAnnotatedList(clickablePart, emojis)

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ExpandableRichTextViewer.kt

@@ -26,8 +26,8 @@ import androidx.compose.ui.graphics.compositeOver
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-import kotlinx.collections.immutable.ImmutableList
 
 const val SHORT_TEXT_LENGTH = 350
 
@@ -36,7 +36,7 @@ fun ExpandableRichTextViewer(
     content: String,
     canPreview: Boolean,
     modifier: Modifier,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit

app/src/main/java/com/vitorpamplona/amethyst/ui/components/InvoicePreview.kt

@@ -27,19 +27,18 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.service.lnurl.LnInvoiceUtil
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import java.math.BigDecimal
 import java.text.NumberFormat
 
 @Composable
 fun MayBeInvoicePreview(lnbcWord: String) {
-    var lnInvoice by remember { mutableStateOf<Pair<String, BigDecimal?>?>(null) }
+    var lnInvoice by remember { mutableStateOf<Pair<String, String?>?>(null) }
 
     LaunchedEffect(key1 = lnbcWord) {
         withContext(Dispatchers.IO) {
             val myInvoice = LnInvoiceUtil.findInvoice(lnbcWord)
             if (myInvoice != null) {
                 val myInvoiceAmount = try {
-                    LnInvoiceUtil.getAmountInSats(myInvoice)
+                    NumberFormat.getInstance().format(LnInvoiceUtil.getAmountInSats(myInvoice))
                 } catch (e: Exception) {
                     e.printStackTrace()
                     null
@@ -60,7 +59,7 @@ fun MayBeInvoicePreview(lnbcWord: String) {
 }
 
 @Composable
-fun InvoicePreview(lnInvoice: String, amount: BigDecimal?) {
+fun InvoicePreview(lnInvoice: String, amount: String?) {
     val context = LocalContext.current
 
     Column(
@@ -100,9 +99,7 @@ fun InvoicePreview(lnInvoice: String, amount: BigDecimal?) {
 
             amount?.let {
                 Text(
-                    text = "${
-                    NumberFormat.getInstance().format(amount)
-                    } ${stringResource(id = R.string.sats)}",
+                    text = "$it ${stringResource(id = R.string.sats)}",
                     fontSize = 25.sp,
                     fontWeight = FontWeight.W500,
                     modifier = Modifier

app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt

@@ -39,6 +39,8 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.checkForHashtagWithIcon
 import com.vitorpamplona.amethyst.service.nip19.Nip19
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.uriToRoute
@@ -57,7 +59,6 @@ import java.net.MalformedURLException
 import java.net.URISyntaxException
 import java.net.URL
 import java.util.regex.Pattern
-import kotlin.time.ExperimentalTime
 
 val imageExtensions = listOf("png", "jpg", "gif", "bmp", "jpeg", "webp", "svg")
 val videoExtensions = listOf("mp4", "avi", "wmv", "mpg", "amv", "webm", "mov", "mp3")
@@ -98,7 +99,7 @@ fun RichTextViewer(
     content: String,
     canPreview: Boolean,
     modifier: Modifier,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -122,11 +123,11 @@ data class RichTextViewerState(
     val customEmoji: ImmutableMap<String, String>
 )
 
-@OptIn(ExperimentalTime::class, ExperimentalLayoutApi::class)
+@OptIn(ExperimentalLayoutApi::class)
 @Composable
 private fun RenderRegular(
     content: String,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     canPreview: Boolean,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
@@ -142,34 +143,53 @@ private fun RenderRegular(
         }
     }
 
+    val paragraphs = remember(content) {
+        content.split('\n').toImmutableList()
+    }
+
     // FlowRow doesn't work well with paragraphs. So we need to split them
-    content.split('\n').forEach { paragraph ->
-        FlowRow() {
-            val s = remember(paragraph) {
-                if (isArabic(paragraph)) {
-                    paragraph.trim().split(' ').reversed()
-                } else {
-                    paragraph.trim().split(' ')
-                }
-            }
-            s.forEach { word: String ->
-                RenderWord(
-                    word,
-                    state,
-                    canPreview,
-                    backgroundColor,
-                    accountViewModel,
-                    nav,
-                    tags
-                )
-            }
+    paragraphs.forEach { paragraph ->
+        RenderParagraph(paragraph, state, canPreview, backgroundColor, accountViewModel, nav, tags)
+    }
+}
+
+@Composable
+@OptIn(ExperimentalLayoutApi::class)
+private fun RenderParagraph(
+    paragraph: String,
+    state: RichTextViewerState,
+    canPreview: Boolean,
+    backgroundColor: Color,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit,
+    tags: ImmutableListOfLists<String>
+) {
+    val s = remember(paragraph) {
+        if (isArabic(paragraph)) {
+            paragraph.trim().split(' ').reversed().toImmutableList()
+        } else {
+            paragraph.trim().split(' ').toImmutableList()
+        }
+    }
+
+    FlowRow() {
+        s.forEach { word: String ->
+            RenderWord(
+                word,
+                state,
+                canPreview,
+                backgroundColor,
+                accountViewModel,
+                nav,
+                tags
+            )
         }
     }
 }
 
 private fun parseUrls(
     content: String,
-    tags: List<List<String>>
+    tags: ImmutableListOfLists<String>
 ): RichTextViewerState {
     val urls = UrlDetector(content, UrlDetectorOptions.Default).detect()
     val urlSet = urls.mapTo(LinkedHashSet(urls.size)) { it.originalUrl }
@@ -186,7 +206,7 @@ private fun parseUrls(
     val imageList = imagesForPager.values.toList()
 
     val emojiMap =
-        tags.filter { it.size > 2 && it[0] == "emoji" }.associate { ":${it[1]}:" to it[2] }
+        tags.lists.filter { it.size > 2 && it[0] == "emoji" }.associate { ":${it[1]}:" to it[2] }
 
     return if (urlSet.isNotEmpty() || emojiMap.isNotEmpty()) {
         RichTextViewerState(
@@ -217,7 +237,7 @@ private fun RenderWord(
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit,
-    tags: ImmutableList<List<String>>
+    tags: ImmutableListOfLists<String>
 ) {
     val type = remember(word) {
         if (state.imagesForPager[word] != null) {
@@ -238,7 +258,7 @@ private fun RenderWord(
             WordType.BECH
         } else if (word.startsWith("#")) {
             if (tagIndex.matcher(word).matches()) {
-                if (tags.isNotEmpty()) {
+                if (tags.lists.isNotEmpty()) {
                     WordType.HASH_INDEX
                 } else {
                     WordType.OTHER
@@ -267,7 +287,7 @@ private fun RenderWordWithoutPreview(
     type: WordType,
     word: String,
     state: RichTextViewerState,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -300,7 +320,7 @@ private fun RenderWordWithPreview(
     type: WordType,
     word: String,
     state: RichTextViewerState,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -382,7 +402,7 @@ fun RenderCustomEmoji(word: String, state: RichTextViewerState) {
 }
 
 @Composable
-private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tags: ImmutableList<List<String>>?, nav: (String) -> Unit) {
+private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tags: ImmutableListOfLists<String>?, nav: (String) -> Unit) {
     val myMarkDownStyle = richTextDefaults.copy(
         codeBlockStyle = richTextDefaults.codeBlockStyle?.copy(
             textStyle = TextStyle(
@@ -442,17 +462,13 @@ private fun RenderContentAsMarkdown(content: String, backgroundColor: Color, tag
 }
 
 @Composable
-private fun RefreshableContent(content: String, tags: List<List<String>>?, onCompose: @Composable (String) -> Unit) {
+private fun RefreshableContent(content: String, tags: ImmutableListOfLists<String>?, onCompose: @Composable (String) -> Unit) {
     var markdownWithSpecialContent by remember(content) { mutableStateOf<String?>(content) }
 
-    val scope = rememberCoroutineScope()
-
     ObserverAllNIP19References(content, tags) {
-        scope.launch(Dispatchers.IO) {
-            val newMarkdownWithSpecialContent = returnMarkdownWithSpecialContent(content, tags)
-            if (markdownWithSpecialContent != newMarkdownWithSpecialContent) {
-                markdownWithSpecialContent = newMarkdownWithSpecialContent
-            }
+        val newMarkdownWithSpecialContent = returnMarkdownWithSpecialContent(content, tags)
+        if (markdownWithSpecialContent != newMarkdownWithSpecialContent) {
+            markdownWithSpecialContent = newMarkdownWithSpecialContent
         }
     }
 
@@ -462,7 +478,7 @@ private fun RefreshableContent(content: String, tags: List<List<String>>?, onCom
 }
 
 @Composable
-fun ObserverAllNIP19References(content: String, tags: List<List<String>>?, onRefresh: () -> Unit) {
+fun ObserverAllNIP19References(content: String, tags: ImmutableListOfLists<String>?, onRefresh: () -> Unit) {
     var nip19References by remember(content) { mutableStateOf<List<Nip19.Return>>(emptyList()) }
     LaunchedEffect(key1 = content) {
         launch(Dispatchers.IO) {
@@ -490,7 +506,7 @@ fun ObserveNIP19(
 @Composable
 private fun ObserveNIP19Event(
     it: Nip19.Return,
-    onRefresh: suspend () -> Unit
+    onRefresh: () -> Unit
 ) {
     var baseNote by remember(it) { mutableStateOf<Note?>(null) }
 
@@ -551,7 +567,7 @@ private fun ObserveNIP19User(
     }
 }
 
-private fun getDisplayNameAndNIP19FromTag(tag: String, tags: List<List<String>>): Pair<String, String>? {
+private fun getDisplayNameAndNIP19FromTag(tag: String, tags: ImmutableListOfLists<String>): Pair<String, String>? {
     val matcher = tagIndex.matcher(tag)
     val (index, suffix) = try {
         matcher.find()
@@ -561,8 +577,8 @@ private fun getDisplayNameAndNIP19FromTag(tag: String, tags: List<List<String>>)
         Pair(null, null)
     }
 
-    if (index != null && index >= 0 && index < tags.size) {
-        val tag = tags[index]
+    if (index != null && index >= 0 && index < tags.lists.size) {
+        val tag = tags.lists[index]
 
         if (tag.size > 1) {
             if (tag[0] == "p") {
@@ -602,7 +618,7 @@ private fun getDisplayNameFromNip19(nip19: Nip19.Return): Pair<String, String>?
     return null
 }
 
-private fun returnNIP19References(content: String, tags: List<List<String>>?): List<Nip19.Return> {
+private fun returnNIP19References(content: String, tags: ImmutableListOfLists<String>?): List<Nip19.Return> {
     val listOfReferences = mutableListOf<Nip19.Return>()
     content.split('\n').forEach { paragraph ->
         paragraph.split(' ').forEach { word: String ->
@@ -615,7 +631,7 @@ private fun returnNIP19References(content: String, tags: List<List<String>>?): L
         }
     }
 
-    tags?.forEach {
+    tags?.lists?.forEach {
         if (it[0] == "p" && it.size > 1) {
             listOfReferences.add(Nip19.Return(Nip19.Type.USER, it[1], null, null, null, ""))
         } else if (it[0] == "e" && it.size > 1) {
@@ -628,7 +644,7 @@ private fun returnNIP19References(content: String, tags: List<List<String>>?): L
     return listOfReferences
 }
 
-private fun returnMarkdownWithSpecialContent(content: String, tags: List<List<String>>?): String {
+private fun returnMarkdownWithSpecialContent(content: String, tags: ImmutableListOfLists<String>?): String {
     var returnContent = ""
     content.split('\n').forEach { paragraph ->
         paragraph.split(' ').forEach { word: String ->
@@ -866,13 +882,14 @@ fun HashTag(word: String, nav: (String) -> Unit) {
     } ?: Text(text = "$word ")
 }
 
+data class LoadedTag(val user: User?, val note: Note?, val addedChars: String)
+
 @Composable
-fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    var baseUserPair by remember { mutableStateOf<Pair<User, String?>?>(null) }
-    var baseNotePair by remember { mutableStateOf<Pair<Note, String?>?>(null) }
+fun TagLink(word: String, tags: ImmutableListOfLists<String>, canPreview: Boolean, backgroundColor: Color, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
+    var loadedTag by remember { mutableStateOf<LoadedTag?>(null) }
 
     LaunchedEffect(key1 = word) {
-        if (baseUserPair == null && baseNotePair == null) {
+        if (loadedTag == null) {
             launch(Dispatchers.IO) {
                 val matcher = tagIndex.matcher(word)
                 val (index, suffix) = try {
@@ -880,20 +897,20 @@ fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgro
                     Pair(matcher.group(1)?.toInt(), matcher.group(2) ?: "")
                 } catch (e: Exception) {
                     Log.w("Tag Parser", "Couldn't link tag $word", e)
-                    Pair(null, null)
+                    Pair(null, "")
                 }
 
-                if (index != null && index >= 0 && index < tags.size) {
-                    val tag = tags[index]
+                if (index != null && index >= 0 && index < tags.lists.size) {
+                    val tag = tags.lists[index]
 
                     if (tag.size > 1) {
                         if (tag[0] == "p") {
                             LocalCache.checkGetOrCreateUser(tag[1])?.let {
-                                baseUserPair = Pair(it, suffix)
+                                loadedTag = LoadedTag(it, null, suffix)
                             }
                         } else if (tag[0] == "e" || tag[0] == "a") {
                             LocalCache.checkGetOrCreateNote(tag[1])?.let {
-                                baseNotePair = Pair(it, suffix)
+                                loadedTag = LoadedTag(null, it, suffix)
                             }
                         }
                     }
@@ -902,55 +919,80 @@ fun TagLink(word: String, tags: List<List<String>>, canPreview: Boolean, backgro
         }
     }
 
-    baseUserPair?.let {
-        val innerUserState by it.first.live().metadata.observeAsState()
-        val displayName = remember(innerUserState) {
-            innerUserState?.user?.toBestDisplayName() ?: ""
-        }
-        val route = remember(innerUserState) {
-            "User/${it.first.pubkeyHex}"
-        }
-        val userTags = remember(innerUserState) {
-            innerUserState?.user?.info?.latestMetadata?.tags?.toImmutableList()
-        }
-
-        CreateClickableTextWithEmoji(
-            clickablePart = displayName,
-            suffix = remember { "${it.second} " },
-            tags = userTags,
-            route = route,
-            nav = nav
-        )
-    }
-
-    baseNotePair?.let {
-        if (canPreview) {
-            NoteCompose(
-                baseNote = it.first,
-                accountViewModel = accountViewModel,
-                modifier = Modifier
-                    .padding(top = 2.dp, bottom = 0.dp, start = 0.dp, end = 0.dp)
-                    .fillMaxWidth()
-                    .clip(shape = RoundedCornerShape(15.dp))
-                    .border(
-                        1.dp,
-                        MaterialTheme.colors.onSurface.copy(alpha = 0.12f),
-                        RoundedCornerShape(15.dp)
-                    ),
-                parentBackgroundColor = backgroundColor,
-                isQuotedNote = true,
-                nav = nav
-            )
-            it.second?.ifBlank { null }?.let {
-                Text(text = "$it ")
+    if (loadedTag == null) {
+        Text(
+            text = remember {
+                "$word "
             }
-        } else {
-            ClickableNoteTag(it.first, nav)
-            Text(text = "${it.second} ")
+        )
+    } else {
+        loadedTag?.user?.let {
+            DisplayUserFromTag(it, loadedTag?.addedChars ?: "", nav)
         }
-    }
 
-    if (baseNotePair == null && baseUserPair == null) {
-        Text(text = "$word ")
+        loadedTag?.note?.let {
+            DisplayNoteFromTag(it, loadedTag?.addedChars ?: "", canPreview, accountViewModel, backgroundColor, nav)
+        }
     }
 }
+
+@Composable
+private fun DisplayNoteFromTag(
+    baseNote: Note,
+    addedChars: String,
+    canPreview: Boolean,
+    accountViewModel: AccountViewModel,
+    backgroundColor: Color,
+    nav: (String) -> Unit
+) {
+    if (canPreview) {
+        NoteCompose(
+            baseNote = baseNote,
+            accountViewModel = accountViewModel,
+            modifier = Modifier
+                .padding(top = 2.dp, bottom = 0.dp, start = 0.dp, end = 0.dp)
+                .fillMaxWidth()
+                .clip(shape = RoundedCornerShape(15.dp))
+                .border(
+                    1.dp,
+                    MaterialTheme.colors.onSurface.copy(alpha = 0.12f),
+                    RoundedCornerShape(15.dp)
+                ),
+            parentBackgroundColor = backgroundColor,
+            isQuotedNote = true,
+            nav = nav
+        )
+        addedChars.ifBlank { null }?.let {
+            Text(text = remember { "$it " })
+        }
+    } else {
+        ClickableNoteTag(baseNote, nav)
+        Text(text = remember { "$addedChars " })
+    }
+}
+
+@Composable
+private fun DisplayUserFromTag(
+    baseUser: User,
+    addedChars: String,
+    nav: (String) -> Unit
+) {
+    val innerUserState by baseUser.live().metadata.observeAsState()
+    val displayName = remember(innerUserState) {
+        innerUserState?.user?.toBestDisplayName() ?: ""
+    }
+    val route = remember(innerUserState) {
+        "User/${baseUser.pubkeyHex}"
+    }
+    val userTags = remember(innerUserState) {
+        innerUserState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists()
+    }
+
+    CreateClickableTextWithEmoji(
+        clickablePart = displayName,
+        suffix = remember { "$addedChars " },
+        tags = userTags,
+        route = route,
+        nav = nav
+    )
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/components/Robohash.kt

@@ -12,6 +12,7 @@ import coil.fetch.SourceResult
 import coil.request.ImageRequest
 import coil.request.Options
 import coil.size.Size
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import okio.Buffer
 import java.security.MessageDigest
 
@@ -21,8 +22,6 @@ private fun toHex(color: Color): String {
     return String.format("#%06X", rgb)
 }
 
-private val sha256: MessageDigest = MessageDigest.getInstance("SHA-256")
-
 private fun byteMod10(byte: Byte): Int {
     val ub = byte.toUByte().toInt()
     return ub % 10
@@ -33,7 +32,7 @@ private fun bytesToRGB(b1: Byte, b2: Byte, b3: Byte): Color {
 }
 
 private fun svgString(msg: String): String {
-    val hash = sha256.digest(msg.toByteArray())
+    val hash = MessageDigest.getInstance("SHA-256").digest(msg.toByteArray())
     val hashHex = hash.joinToString(separator = "") { b -> "%02x".format(b) }
     val bgColor = bytesToRGB(hash[0], hash[1], hash[2])
     val fgColor = bytesToRGB(hash[3], hash[4], hash[5])
@@ -67,6 +66,7 @@ class HashImageFetcher(
 ) : Fetcher {
 
     override suspend fun fetch(): SourceResult {
+        checkNotInMainThread()
         val source = try {
             Buffer().apply { write(svgString(data.toString()).toByteArray()) }
         } finally {

app/src/main/java/com/vitorpamplona/amethyst/ui/components/TextSpinner.kt

@@ -31,13 +31,14 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Dialog
+import kotlinx.collections.immutable.ImmutableList
 
 @Composable
 fun TextSpinner(
     label: String,
     placeholder: String,
-    options: List<String>,
-    explainers: List<String>? = null,
+    options: ImmutableList<String>,
+    explainers: ImmutableList<String>? = null,
     onSelect: (Int) -> Unit,
     modifier: Modifier = Modifier
 ) {
@@ -83,7 +84,12 @@ fun TextSpinner(
 }
 
 @Composable
-fun SpinnerSelectionDialog(options: List<String>, explainers: List<String>?, onDismiss: () -> Unit, onSelect: (Int) -> Unit) {
+fun SpinnerSelectionDialog(
+    options: ImmutableList<String>,
+    explainers: ImmutableList<String>?,
+    onDismiss: () -> Unit,
+    onSelect: (Int) -> Unit
+) {
     Dialog(onDismissRequest = onDismiss) {
         Surface(
             border = BorderStroke(0.25.dp, Color.LightGray),

app/src/main/java/com/vitorpamplona/amethyst/ui/components/VideoView.kt

@@ -1,8 +1,6 @@
 package com.vitorpamplona.amethyst.ui.components
 
-import android.content.Context
 import android.graphics.drawable.Drawable
-import android.net.Uri
 import android.util.Log
 import android.view.View
 import android.view.ViewGroup
@@ -27,6 +25,7 @@ import androidx.compose.material.icons.filled.VolumeUp
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.Stable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -45,7 +44,6 @@ import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.isFinite
 import androidx.compose.ui.viewinterop.AndroidView
-import androidx.core.net.toUri
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import coil.imageLoader
@@ -60,26 +58,9 @@ import com.google.android.exoplayer2.ui.StyledPlayerView
 import com.vitorpamplona.amethyst.VideoCache
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import java.io.File
 
 public var DefaultMutedSetting = mutableStateOf(true)
 
-@Composable
-fun VideoView(localFile: File?, description: String? = null, onDialog: ((Boolean) -> Unit)? = null) {
-    if (localFile != null) {
-        val video = remember(localFile) { localFile.toUri() }
-
-        VideoView(video, description, null, onDialog)
-    }
-}
-
-@Composable
-fun VideoView(videoUri: String, description: String? = null, onDialog: ((Boolean) -> Unit)? = null) {
-    val video = remember(videoUri) { Uri.parse(videoUri) }
-
-    VideoView(video, description, null, onDialog)
-}
-
 @Composable
 fun LoadThumbAndThenVideoView(videoUri: String, description: String? = null, thumbUri: String, onDialog: ((Boolean) -> Unit)? = null) {
     var loadingFinished by remember { mutableStateOf<Pair<Boolean, Drawable?>>(Pair(false, null)) }
@@ -105,39 +86,37 @@ fun LoadThumbAndThenVideoView(videoUri: String, description: String? = null, thu
 
     if (loadingFinished.first) {
         if (loadingFinished.second != null) {
-            val video = remember(videoUri) { Uri.parse(videoUri) }
-
-            VideoView(video, description, loadingFinished.second, onDialog)
+            VideoView(videoUri, description, VideoThumb(loadingFinished.second), onDialog)
         } else {
-            VideoView(videoUri, description, onDialog)
+            VideoView(videoUri, description, null, onDialog)
         }
     }
 }
 
 @Composable
-fun VideoView(videoUri: Uri, description: String? = null, thumb: Drawable? = null, onDialog: ((Boolean) -> Unit)? = null) {
+fun VideoView(videoUri: String, description: String? = null, thumb: VideoThumb? = null, onDialog: ((Boolean) -> Unit)? = null) {
     val context = LocalContext.current
     val lifecycleOwner = rememberUpdatedState(LocalLifecycleOwner.current)
 
-    var exoPlayer by remember { mutableStateOf<ExoPlayer?>(null) }
+    var exoPlayerData by remember { mutableStateOf<VideoPlayer?>(null) }
     val defaultVolume = remember { if (DefaultMutedSetting.value) 0f else 1f }
 
     LaunchedEffect(key1 = videoUri) {
-        if (exoPlayer == null) {
+        if (exoPlayerData == null) {
             launch(Dispatchers.Default) {
-                exoPlayer = ExoPlayer.Builder(context).build()
+                exoPlayerData = VideoPlayer(ExoPlayer.Builder(context).build())
             }
         }
     }
 
-    exoPlayer?.let {
+    exoPlayerData?.let {
         val media = remember { MediaItem.Builder().setUri(videoUri).build() }
 
-        it.apply {
+        it.exoPlayer.apply {
             repeatMode = Player.REPEAT_MODE_ALL
             videoScalingMode = C.VIDEO_SCALING_MODE_SCALE_TO_FIT
             volume = defaultVolume
-            if (videoUri.scheme?.startsWith("file") == true) {
+            if (videoUri.startsWith("file") == true) {
                 setMediaItem(media)
             } else {
                 setMediaSource(
@@ -149,14 +128,14 @@ fun VideoView(videoUri: Uri, description: String? = null, thumb: Drawable? = nul
             prepare()
         }
 
-        RenderVideoPlayer(it, context, thumb, onDialog)
+        RenderVideoPlayer(it, thumb, onDialog)
     }
 
     DisposableEffect(Unit) {
         val observer = LifecycleEventObserver { _, event ->
             when (event) {
                 Lifecycle.Event.ON_PAUSE -> {
-                    exoPlayer?.pause()
+                    exoPlayerData?.exoPlayer?.pause()
                 }
                 else -> {}
             }
@@ -165,19 +144,30 @@ fun VideoView(videoUri: Uri, description: String? = null, thumb: Drawable? = nul
         lifecycle.addObserver(observer)
 
         onDispose {
-            exoPlayer?.release()
+            exoPlayerData?.exoPlayer?.release()
             lifecycle.removeObserver(observer)
         }
     }
 }
 
+@Stable
+data class VideoPlayer(
+    val exoPlayer: ExoPlayer
+)
+
+@Stable
+data class VideoThumb(
+    val thumb: Drawable?
+)
+
 @Composable
 private fun RenderVideoPlayer(
-    exoPlayer: ExoPlayer,
-    context: Context,
-    thumb: Drawable?,
+    playerData: VideoPlayer,
+    thumbData: VideoThumb?,
     onDialog: ((Boolean) -> Unit)?
 ) {
+    val context = LocalContext.current
+
     BoxWithConstraints() {
         AndroidView(
             modifier = Modifier
@@ -185,27 +175,27 @@ private fun RenderVideoPlayer(
                 .defaultMinSize(minHeight = 70.dp)
                 .align(Alignment.Center)
                 .onVisibilityChanges { visible ->
-                    if (visible && !exoPlayer.isPlaying) {
-                        exoPlayer.play()
-                    } else if (!visible && exoPlayer.isPlaying) {
-                        exoPlayer.pause()
+                    if (visible && !playerData.exoPlayer.isPlaying) {
+                        playerData.exoPlayer.play()
+                    } else if (!visible && playerData.exoPlayer.isPlaying) {
+                        playerData.exoPlayer.pause()
                     }
                 },
             factory = {
                 StyledPlayerView(context).apply {
-                    player = exoPlayer
+                    player = playerData.exoPlayer
                     layoutParams = FrameLayout.LayoutParams(
                         ViewGroup.LayoutParams.MATCH_PARENT,
                         ViewGroup.LayoutParams.WRAP_CONTENT
                     )
                     controllerAutoShow = false
-                    thumb?.let { defaultArtwork = thumb }
+                    thumbData?.thumb?.let { defaultArtwork = it }
                     hideController()
                     resizeMode =
                         if (maxHeight.isFinite) AspectRatioFrameLayout.RESIZE_MODE_FIT else AspectRatioFrameLayout.RESIZE_MODE_FIXED_WIDTH
                     onDialog?.let { innerOnDialog ->
                         setFullscreenButtonClickListener {
-                            exoPlayer.pause()
+                            playerData.exoPlayer.pause()
                             innerOnDialog(it)
                         }
                     }
@@ -216,7 +206,7 @@ private fun RenderVideoPlayer(
         MuteButton() { mute: Boolean ->
             DefaultMutedSetting.value = mute
 
-            exoPlayer.volume = if (mute) 0f else 1f
+            playerData.exoPlayer.volume = if (mute) 0f else 1f
         }
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/components/ZoomableContentView.kt

@@ -64,6 +64,7 @@ import androidx.compose.ui.unit.isFinite
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
+import androidx.core.net.toUri
 import coil.annotation.ExperimentalCoilApi
 import coil.compose.AsyncImage
 import coil.imageLoader
@@ -75,6 +76,8 @@ import com.vitorpamplona.amethyst.ui.actions.LoadingAnimation
 import com.vitorpamplona.amethyst.ui.actions.SaveToGallery
 import com.vitorpamplona.amethyst.ui.note.BlankNote
 import com.vitorpamplona.amethyst.ui.theme.Nip05
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -164,7 +167,7 @@ fun figureOutMimeType(fullUrl: String): ZoomableContent {
 
 @Composable
 @OptIn(ExperimentalFoundationApi::class)
-fun ZoomableContentView(content: ZoomableContent, images: List<ZoomableContent> = listOf(content)) {
+fun ZoomableContentView(content: ZoomableContent, images: ImmutableList<ZoomableContent> = listOf(content).toImmutableList()) {
     val clipboardManager = LocalClipboardManager.current
 
     // store the dialog open or close state
@@ -201,7 +204,10 @@ fun ZoomableContentView(content: ZoomableContent, images: List<ZoomableContent>
         is ZoomableUrlImage -> UrlImageView(content, mainImageModifier)
         is ZoomableUrlVideo -> VideoView(content.url, content.description) { dialogOpen = true }
         is ZoomableLocalImage -> LocalImageView(content, mainImageModifier)
-        is ZoomableLocalVideo -> VideoView(content.localFile, content.description) { dialogOpen = true }
+        is ZoomableLocalVideo ->
+            content.localFile?.let {
+                VideoView(it.toUri().toString(), content.description) { dialogOpen = true }
+            }
     }
 
     if (dialogOpen) {
@@ -442,7 +448,7 @@ private fun DisplayBlurHash(
 
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
-fun ZoomableImageDialog(imageUrl: ZoomableContent, allImages: List<ZoomableContent> = listOf(imageUrl), onDismiss: () -> Unit) {
+fun ZoomableImageDialog(imageUrl: ZoomableContent, allImages: ImmutableList<ZoomableContent> = listOf(imageUrl).toImmutableList(), onDismiss: () -> Unit) {
     Dialog(
         onDismissRequest = onDismiss,
         properties = DialogProperties(usePlatformDefaultWidth = false)
@@ -507,7 +513,9 @@ fun RenderImageOrVideo(content: ZoomableContent) {
         LocalImageView(content = content, mainImageModifier = mainModifier)
     } else if (content is ZoomableLocalVideo) {
         Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.fillMaxSize(1f)) {
-            VideoView(content.localFile, content.description)
+            content.localFile?.let {
+                VideoView(it.toUri().toString(), content.description)
+            }
         }
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListKnownFeedFilter.kt

@@ -1,6 +1,5 @@
 package com.vitorpamplona.amethyst.ui.dal
 
-import android.util.Log
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
@@ -84,7 +83,7 @@ class ChatroomListKnownFeedFilter(val account: Account) : AdditiveFeedFilter<Not
             sort(myNewList.toSet()).take(1000)
         }
 
-        Log.d("Time", "${this.javaClass.simpleName} Modified Additive Feed in $elapsed with ${feed.size} objects")
+        // Log.d("Time", "${this.javaClass.simpleName} Modified Additive Feed in $elapsed with ${feed.size} objects")
         return feed
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/ChatroomListNewFeedFilter.kt

@@ -1,9 +1,14 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
+import com.vitorpamplona.amethyst.ui.actions.updated
+import kotlin.time.ExperimentalTime
+import kotlin.time.measureTimedValue
 
-class ChatroomListNewFeedFilter(val account: Account) : FeedFilter<Note>() {
+class ChatroomListNewFeedFilter(val account: Account) : AdditiveFeedFilter<Note>() {
 
     // returns the last Note of each user.
     override fun feed(): List<Note> {
@@ -26,4 +31,80 @@ class ChatroomListNewFeedFilter(val account: Account) : FeedFilter<Note>() {
             .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
             .reversed()
     }
+
+    @OptIn(ExperimentalTime::class)
+    override fun updateListWith(oldList: List<Note>, newItems: Set<Note>): List<Note> {
+        val (feed, elapsed) = measureTimedValue {
+            val me = account.userProfile()
+
+            // Gets the latest message by room from the new items.
+            val newRelevantPrivateMessages = filterRelevantPrivateMessages(newItems, account)
+
+            if (newRelevantPrivateMessages.isEmpty()) {
+                return oldList
+            }
+
+            var myNewList = oldList
+
+            newRelevantPrivateMessages.forEach { newNotePair ->
+                oldList.forEach { oldNote ->
+                    val oldRoom = (oldNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
+
+                    if (
+                        (newNotePair.key == oldRoom) && (newNotePair.value.createdAt() ?: 0) > (oldNote.createdAt() ?: 0)
+                    ) {
+                        myNewList = myNewList.updated(oldNote, newNotePair.value)
+                    }
+                }
+            }
+
+            sort(myNewList.toSet()).take(1000)
+        }
+
+        // Log.d("Time", "${this.javaClass.simpleName} Modified Additive Feed in $elapsed with ${feed.size} objects")
+        return feed
+    }
+
+    override fun applyFilter(newItems: Set<Note>): Set<Note> {
+        // Gets the latest message by room from the new items.
+        val newRelevantPrivateMessages = filterRelevantPrivateMessages(newItems, account)
+
+        return if (newRelevantPrivateMessages.isEmpty()) {
+            emptySet()
+        } else {
+            newRelevantPrivateMessages.values.toSet()
+        }
+    }
+
+    private fun filterRelevantPrivateMessages(newItems: Set<Note>, account: Account): MutableMap<String, Note> {
+        val me = account.userProfile()
+        val followingKeySet = account.followingKeySet()
+
+        val newRelevantPrivateMessages = mutableMapOf<String, Note>()
+        newItems.filter { it.event is PrivateDmEvent }.forEach { newNote ->
+            val roomUserHex = (newNote.event as? PrivateDmEvent)?.talkingWith(me.pubkeyHex)
+            val roomUser = roomUserHex?.let { LocalCache.users[it] }
+
+            if (roomUserHex != null &&
+                (newNote.author?.pubkeyHex != me.pubkeyHex && roomUserHex !in followingKeySet && !me.hasSentMessagesTo(roomUser)) &&
+                !account.isHidden(roomUserHex)
+            ) {
+                val lastNote = newRelevantPrivateMessages.get(roomUserHex)
+                if (lastNote != null) {
+                    if ((newNote.createdAt() ?: 0) > (lastNote.createdAt() ?: 0)) {
+                        newRelevantPrivateMessages.put(roomUserHex, newNote)
+                    }
+                } else {
+                    newRelevantPrivateMessages.put(roomUserHex, newNote)
+                }
+            }
+        }
+        return newRelevantPrivateMessages
+    }
+
+    override fun sort(collection: Set<Note>): List<Note> {
+        return collection
+            .sortedWith(compareBy({ it.createdAt() }, { it.idHex }))
+            .reversed()
+    }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/FeedFilter.kt

@@ -39,7 +39,7 @@ abstract class AdditiveFeedFilter<T> : FeedFilter<T>() {
             }
         }
 
-        Log.d("Time", "${this.javaClass.simpleName} Additive Feed in $elapsed with ${feed.size} objects")
+        // Log.d("Time", "${this.javaClass.simpleName} Additive Feed in $elapsed with ${feed.size} objects")
         return feed
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/dal/HiddenAccountsFeedFilter.kt

@@ -1,9 +1,13 @@
 package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 
 class HiddenAccountsFeedFilter(val account: Account) : FeedFilter<User>() {
 
-    override fun feed() = account.hiddenUsers()
+    override fun feed(): List<User> {
+        return (account.hiddenUsers + account.transientHiddenUsers)
+            .map { LocalCache.getOrCreateUser(it) }
+    }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AccountSwitchBottomSheet.kt

@@ -50,6 +50,7 @@ import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.decodePublicKey
 import com.vitorpamplona.amethyst.model.toHexKey
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.ResizeImage
 import com.vitorpamplona.amethyst.ui.components.RobohashAsyncImageProxy
@@ -57,7 +58,6 @@ import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import com.vitorpamplona.amethyst.ui.screen.AccountStateViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedOff.LoginPage
-import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -228,7 +228,7 @@ private fun AccountName(
     }
     val tags by remember(userState) {
         derivedStateOf {
-            user.info?.latestMetadata?.tags?.toImmutableList()
+            user.info?.latestMetadata?.tags?.toImmutableListOfLists()
         }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppBottomBar.kt

@@ -21,6 +21,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.State
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
@@ -37,8 +38,7 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import androidx.navigation.NavHostController
-import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.NavBackStackEntry
 import com.vitorpamplona.amethyst.NotificationCache
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -67,11 +67,16 @@ fun keyboardAsState(): State<Keyboard> {
             view.getWindowVisibleDisplayFrame(rect)
             val screenHeight = view.rootView.height
             val keypadHeight = screenHeight - rect.bottom
-            keyboardState.value = if (keypadHeight > screenHeight * 0.15) {
+
+            val newKeyboardValue = if (keypadHeight > screenHeight * 0.15) {
                 Keyboard.Opened
             } else {
                 Keyboard.Closed
             }
+
+            if (newKeyboardValue != keyboardState.value) {
+                keyboardState.value = newKeyboardValue
+            }
         }
         view.viewTreeObserver.addOnGlobalLayoutListener(onGlobalListener)
 
@@ -84,21 +89,30 @@ fun keyboardAsState(): State<Keyboard> {
 }
 
 @Composable
-fun AppBottomBar(navController: NavHostController, accountViewModel: AccountViewModel) {
+fun AppBottomBar(accountViewModel: AccountViewModel, navEntryState: State<NavBackStackEntry?>, nav: (Route, Boolean) -> Unit) {
     val isKeyboardOpen by keyboardAsState()
     if (isKeyboardOpen == Keyboard.Closed) {
-        Column() {
-            Divider(
-                thickness = 0.25.dp
-            )
-            BottomNavigation(
-                modifier = Modifier,
-                elevation = 0.dp,
-                backgroundColor = MaterialTheme.colors.background
-            ) {
-                bottomNavigationItems.forEach { item ->
-                    HasNewItemsIcon(item, accountViewModel, navController)
-                }
+        RenderBottomMenu(accountViewModel, navEntryState, nav)
+    }
+}
+
+@Composable
+private fun RenderBottomMenu(
+    accountViewModel: AccountViewModel,
+    navEntryState: State<NavBackStackEntry?>,
+    nav: (Route, Boolean) -> Unit
+) {
+    Column() {
+        Divider(
+            thickness = 0.25.dp
+        )
+        BottomNavigation(
+            modifier = Modifier,
+            elevation = 0.dp,
+            backgroundColor = MaterialTheme.colors.background
+        ) {
+            bottomNavigationItems.forEach { item ->
+                HasNewItemsIcon(item, accountViewModel, navEntryState, nav)
             }
         }
     }
@@ -108,7 +122,8 @@ fun AppBottomBar(navController: NavHostController, accountViewModel: AccountView
 private fun RowScope.HasNewItemsIcon(
     route: Route,
     accountViewModel: AccountViewModel,
-    navController: NavHostController
+    navEntryState: State<NavBackStackEntry?>,
+    nav: (Route, Boolean) -> Unit
 ) {
     var hasNewItems by remember { mutableStateOf(false) }
 
@@ -126,23 +141,10 @@ private fun RowScope.HasNewItemsIcon(
         iconSize = if ("Home" == route.base) 24.dp else 20.dp,
         base = route.base,
         hasNewItems = hasNewItems,
-        navController
+        navEntryState = navEntryState
     ) { selected ->
         scope.launch {
-            if (!selected) {
-                navController.navigate(route.base) {
-                    popUpTo(Route.Home.route)
-                    launchSingleTop = true
-                    restoreState = true
-                }
-            } else {
-                val newRoute = route.route.replace("{scrollToTop}", "true")
-                navController.navigate(newRoute) {
-                    popUpTo(Route.Home.route)
-                    launchSingleTop = true
-                    restoreState = true
-                }
-            }
+            nav(route, selected)
         }
     }
 }
@@ -183,30 +185,40 @@ private fun RowScope.BottomIcon(
     iconSize: Dp,
     base: String,
     hasNewItems: Boolean,
-    navController: NavHostController,
+    navEntryState: State<NavBackStackEntry?>,
     onClick: (Boolean) -> Unit
 ) {
-    val navBackStackEntry by navController.currentBackStackEntryAsState()
-
-    navBackStackEntry?.let {
-        val selected = remember(it) {
-            it.destination.route?.substringBefore("?") == base
+    val selected by remember(navEntryState.value) {
+        derivedStateOf {
+            navEntryState.value?.destination?.route?.substringBefore("?") == base
         }
-
-        BottomNavigationItem(
-            icon = {
-                NotifiableIcon(
-                    icon,
-                    size,
-                    iconSize,
-                    selected,
-                    hasNewItems
-                )
-            },
-            selected = selected,
-            onClick = { onClick(selected) }
-        )
     }
+
+    NavigationIcon(icon, size, iconSize, selected, hasNewItems, onClick)
+}
+
+@Composable
+private fun RowScope.NavigationIcon(
+    icon: Int,
+    size: Dp,
+    iconSize: Dp,
+    selected: Boolean,
+    hasNewItems: Boolean,
+    onClick: (Boolean) -> Unit
+) {
+    BottomNavigationItem(
+        icon = {
+            NotifiableIcon(
+                icon,
+                size,
+                iconSize,
+                selected,
+                hasNewItems
+            )
+        },
+        selected = selected,
+        onClick = { onClick(selected) }
+    )
 }
 
 @Composable

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/AppTopBar.kt

@@ -27,6 +27,7 @@ import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.ExpandMore
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
@@ -47,6 +48,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
 import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavBackStackEntry
 import androidx.navigation.NavHostController
 import coil.Coil
 import com.vitorpamplona.amethyst.R
@@ -89,8 +91,29 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
 
 @Composable
-fun AppTopBar(followLists: FollowListViewModel, navController: NavHostController, scaffoldState: ScaffoldState, accountViewModel: AccountViewModel) {
-    when (currentRoute(navController)?.substringBefore("?")) {
+fun AppTopBar(
+    followLists: FollowListViewModel,
+    navEntryState: State<NavBackStackEntry?>,
+    scaffoldState: ScaffoldState,
+    accountViewModel: AccountViewModel
+) {
+    val currentRoute by remember(navEntryState.value) {
+        derivedStateOf {
+            navEntryState.value?.destination?.route?.substringBefore("?")
+        }
+    }
+
+    RenderTopRouteBar(currentRoute, followLists, scaffoldState, accountViewModel)
+}
+
+@Composable
+private fun RenderTopRouteBar(
+    currentRoute: String?,
+    followLists: FollowListViewModel,
+    scaffoldState: ScaffoldState,
+    accountViewModel: AccountViewModel
+) {
+    when (currentRoute) {
         // Route.Profile.route -> TopBarWithBackButton(nav)
         Route.Home.base -> HomeTopBar(followLists, scaffoldState, accountViewModel)
         Route.Video.base -> StoriesTopBar(followLists, scaffoldState, accountViewModel)
@@ -229,15 +252,6 @@ private fun RelayStatus(
     onClick: () -> Unit
 ) {
     val relayViewModel: RelayPoolViewModel = viewModel { RelayPoolViewModel() }
-    val connectedRelaysLiveData = relayViewModel.connectedRelaysLiveData.observeAsState()
-    val availableRelaysLiveData = relayViewModel.availableRelaysLiveData.observeAsState()
-
-    val connectedRelaysText by remember(connectedRelaysLiveData, availableRelaysLiveData) {
-        derivedStateOf {
-            "${connectedRelaysLiveData.value ?: "--"}/${availableRelaysLiveData.value ?: "--"}"
-        }
-    }
-
     Column(
         modifier = Modifier
             .fillMaxWidth()
@@ -248,24 +262,56 @@ private fun RelayStatus(
             modifier = Modifier.fillMaxHeight(),
             verticalAlignment = Alignment.CenterVertically
         ) {
-            Text(
-                text = connectedRelaysText,
-                color = if (connectedRelaysLiveData.value == 0) {
-                    Color.Red
-                } else {
-                    MaterialTheme.colors.onSurface.copy(
-                        alpha = 0.32f
-                    )
-                },
-                style = MaterialTheme.typography.subtitle1,
-                modifier = Modifier.clickable(
-                    onClick = onClick
-                )
-            )
+            RelayStatus(relayViewModel, onClick)
         }
     }
 }
 
+@Composable
+private fun RelayStatus(
+    relayViewModel: RelayPoolViewModel,
+    onClick: () -> Unit
+) {
+    val connectedRelaysLiveData = relayViewModel.connectedRelaysLiveData.observeAsState()
+    val availableRelaysLiveData = relayViewModel.availableRelaysLiveData.observeAsState()
+
+    val connectedRelaysText by remember(connectedRelaysLiveData, availableRelaysLiveData) {
+        derivedStateOf {
+            "${connectedRelaysLiveData.value ?: "--"}/${availableRelaysLiveData.value ?: "--"}"
+        }
+    }
+
+    val isConnected by remember(connectedRelaysLiveData) {
+        derivedStateOf {
+            (connectedRelaysLiveData.value ?: 0) > 0
+        }
+    }
+
+    RenderRelayStatus(connectedRelaysText, isConnected, onClick)
+}
+
+@Composable
+private fun RenderRelayStatus(
+    connectedRelaysText: String,
+    isConnected: Boolean,
+    onClick: () -> Unit
+) {
+    Text(
+        text = connectedRelaysText,
+        color = if (isConnected) {
+            MaterialTheme.colors.onSurface.copy(
+                alpha = 0.32f
+            )
+        } else {
+            Color.Red
+        },
+        style = MaterialTheme.typography.subtitle1,
+        modifier = Modifier.clickable(
+            onClick = onClick
+        )
+    )
+}
+
 @Composable
 private fun RelayIcon(onClick: () -> Unit) {
     IconButton(
@@ -320,15 +366,15 @@ fun FollowList(followListsModel: FollowListViewModel, listName: String, withGlob
         (defaultOptions + followLists)
     }
 
-    val followNames = remember(followLists) {
+    val followNames by remember(followLists) {
         derivedStateOf {
-            allLists.map { it.second }
+            allLists.map { it.second }.toImmutableList()
         }
     }
 
     SimpleTextSpinner(
         placeholder = allLists.firstOrNull { it.first == listName }?.second ?: "Select an Option",
-        options = followNames.value,
+        options = followNames,
         onSelect = {
             onChange(allLists.getOrNull(it)?.first ?: KIND3_FOLLOWS)
         }
@@ -374,6 +420,7 @@ class FollowListViewModel(val account: Account) : ViewModel() {
         refresh()
         collectorJob = viewModelScope.launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect { newNotes ->
+                checkNotInMainThread()
                 if (newNotes.any { it.event is PeopleListEvent }) {
                     refresh()
                 }
@@ -396,8 +443,8 @@ class FollowListViewModel(val account: Account) : ViewModel() {
 @Composable
 fun SimpleTextSpinner(
     placeholder: String,
-    options: List<String>,
-    explainers: List<String>? = null,
+    options: ImmutableList<String>,
+    explainers: ImmutableList<String>? = null,
     onSelect: (Int) -> Unit,
     modifier: Modifier = Modifier
 ) {

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/DrawerContent.kt

@@ -60,13 +60,13 @@ import com.vitorpamplona.amethyst.ServiceManager
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.HttpClient
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.ResizeImage
 import com.vitorpamplona.amethyst.ui.components.RobohashAsyncImageProxy
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountBackupDialog
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.ConnectOrbotDialog
-import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -129,7 +129,7 @@ fun ProfileContent(
     val profilePicture = remember(accountUserState) { accountUserState?.user?.profilePicture()?.ifBlank { null }?.let { ResizeImage(it, 100.dp) } }
     val bestUserName = remember(accountUserState) { accountUserState?.user?.bestUsername() }
     val bestDisplayName = remember(accountUserState) { accountUserState?.user?.bestDisplayName() }
-    val tags = remember(accountUserState) { accountUserState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+    val tags = remember(accountUserState) { accountUserState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
     val route = remember(accountUserState) { "User/${accountUserState?.user?.pubkeyHex}" }
 
     Box {

app/src/main/java/com/vitorpamplona/amethyst/ui/navigation/Routes.kt

@@ -2,6 +2,7 @@ package com.vitorpamplona.amethyst.ui.navigation
 
 import android.os.Bundle
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.getValue
 import androidx.navigation.NamedNavArgument
 import androidx.navigation.NavDestination
@@ -18,12 +19,16 @@ import com.vitorpamplona.amethyst.ui.dal.AdditiveFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.ChatroomListKnownFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.HomeNewThreadFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.NotificationFeedFilter
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.persistentListOf
+import kotlinx.collections.immutable.toImmutableList
 
+@Immutable
 sealed class Route(
     val route: String,
     val icon: Int,
     val hasNewItems: (Account, NotificationCache, Set<com.vitorpamplona.amethyst.model.Note>) -> Boolean = { _, _, _ -> false },
-    val arguments: List<NamedNavArgument> = emptyList()
+    val arguments: ImmutableList<NamedNavArgument> = persistentListOf()
 ) {
     val base: String
         get() = route.substringBefore("?")
@@ -34,26 +39,26 @@ sealed class Route(
         arguments = listOf(
             navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false },
             navArgument("nip47") { type = NavType.StringType; nullable = true; defaultValue = null }
-        ),
+        ).toImmutableList(),
         hasNewItems = { accountViewModel, cache, newNotes -> HomeLatestItem.hasNewItems(accountViewModel, cache, newNotes) }
     )
 
     object Search : Route(
         route = "Search?scrollToTop={scrollToTop}",
         icon = R.drawable.ic_globe,
-        arguments = listOf(navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false })
+        arguments = listOf(navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false }).toImmutableList()
     )
 
     object Video : Route(
         route = "Video?scrollToTop={scrollToTop}",
         icon = R.drawable.ic_video,
-        arguments = listOf(navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false })
+        arguments = listOf(navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false }).toImmutableList()
     )
 
     object Notification : Route(
         route = "Notification?scrollToTop={scrollToTop}",
         icon = R.drawable.ic_notifications,
-        arguments = listOf(navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false }),
+        arguments = listOf(navArgument("scrollToTop") { type = NavType.BoolType; defaultValue = false }).toImmutableList(),
         hasNewItems = { accountViewModel, cache, newNotes -> NotificationLatestItem.hasNewItems(accountViewModel, cache, newNotes) }
     )
 
@@ -76,37 +81,37 @@ sealed class Route(
     object Profile : Route(
         route = "User/{id}",
         icon = R.drawable.ic_profile,
-        arguments = listOf(navArgument("id") { type = NavType.StringType })
+        arguments = listOf(navArgument("id") { type = NavType.StringType }).toImmutableList()
     )
 
     object Note : Route(
         route = "Note/{id}",
         icon = R.drawable.ic_moments,
-        arguments = listOf(navArgument("id") { type = NavType.StringType })
+        arguments = listOf(navArgument("id") { type = NavType.StringType }).toImmutableList()
     )
 
     object Hashtag : Route(
         route = "Hashtag/{id}",
         icon = R.drawable.ic_moments,
-        arguments = listOf(navArgument("id") { type = NavType.StringType })
+        arguments = listOf(navArgument("id") { type = NavType.StringType }).toImmutableList()
     )
 
     object Room : Route(
         route = "Room/{id}",
         icon = R.drawable.ic_moments,
-        arguments = listOf(navArgument("id") { type = NavType.StringType })
+        arguments = listOf(navArgument("id") { type = NavType.StringType }).toImmutableList()
     )
 
     object Channel : Route(
         route = "Channel/{id}",
         icon = R.drawable.ic_moments,
-        arguments = listOf(navArgument("id") { type = NavType.StringType })
+        arguments = listOf(navArgument("id") { type = NavType.StringType }).toImmutableList()
     )
 
     object Event : Route(
         route = "Event/{id}",
         icon = R.drawable.ic_moments,
-        arguments = listOf(navArgument("id") { type = NavType.StringType })
+        arguments = listOf(navArgument("id") { type = NavType.StringType }).toImmutableList()
     )
 }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/note/BlankNote.kt

@@ -22,6 +22,7 @@ import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.collections.immutable.ImmutableSet
 
 @Composable
 fun BlankNote(modifier: Modifier = Modifier, isQuote: Boolean = false, idHex: String? = null) {
@@ -57,7 +58,7 @@ fun BlankNote(modifier: Modifier = Modifier, isQuote: Boolean = false, idHex: St
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun HiddenNote(
-    reports: Set<Note>,
+    reports: ImmutableSet<Note>,
     accountViewModel: AccountViewModel,
     modifier: Modifier = Modifier,
     isQuote: Boolean = false,

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ChatroomCompose.kt

@@ -127,15 +127,9 @@ private fun ChannelRoomCompose(
 
     var hasNewMessages by remember { mutableStateOf<Boolean>(false) }
 
-    LaunchedEffect(key1 = note) {
-        launch(Dispatchers.IO) {
-            note.createdAt()?.let { timestamp ->
-                val lastTime = NotificationCache.load(route)
-                val newHasNewMessages = timestamp > lastTime
-                if (hasNewMessages != newHasNewMessages) {
-                    hasNewMessages = newHasNewMessages
-                }
-            }
+    WatchNotificationChanges(note, route) { newHasNewMessages ->
+        if (hasNewMessages != newHasNewMessages) {
+            hasNewMessages = newHasNewMessages
         }
     }
 
@@ -181,24 +175,15 @@ private fun UserRoomCompose(
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    val noteEvent = note.event
-
     var hasNewMessages by remember { mutableStateOf<Boolean>(false) }
 
     val route = remember(user) {
         "Room/${user.pubkeyHex}"
     }
 
-    LaunchedEffect(key1 = note) {
-        launch(Dispatchers.IO) {
-            noteEvent?.let {
-                val lastTime = NotificationCache.load(route)
-
-                val newHasNewMessages = it.createdAt() > lastTime
-                if (hasNewMessages != newHasNewMessages) {
-                    hasNewMessages = newHasNewMessages
-                }
-            }
+    WatchNotificationChanges(note, route) { newHasNewMessages ->
+        if (hasNewMessages != newHasNewMessages) {
+            hasNewMessages = newHasNewMessages
         }
     }
 
@@ -218,6 +203,24 @@ private fun UserRoomCompose(
     )
 }
 
+@Composable
+private fun WatchNotificationChanges(
+    note: Note,
+    route: String,
+    onNewStatus: (Boolean) -> Unit
+) {
+    val cacheState by NotificationCache.live.observeAsState()
+
+    LaunchedEffect(key1 = note, cacheState) {
+        launch(Dispatchers.IO) {
+            note.event?.createdAt()?.let {
+                val lastTime = NotificationCache.load(route)
+                onNewStatus(it > lastTime)
+            }
+        }
+    }
+}
+
 @Composable
 fun LoadUser(baseUserHex: String, content: @Composable (User) -> Unit) {
     var user by remember(baseUserHex) {

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ChatroomMessageCompose.kt

@@ -56,6 +56,8 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMessageEvent
 import com.vitorpamplona.amethyst.service.model.ChannelMetadataEvent
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateClickableTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.ResizeImage
@@ -65,7 +67,7 @@ import com.vitorpamplona.amethyst.ui.components.SensitivityWarning
 import com.vitorpamplona.amethyst.ui.components.TranslatableRichTextViewer
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.RelayIconFilter
-import kotlinx.collections.immutable.toImmutableList
+import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -132,8 +134,11 @@ fun ChatroomMessageCompose(
         }
 
         if (!isAcceptableAndCanPreview.first && !showHiddenNote) {
+            val reports = remember {
+                account.getRelevantReports(noteForReports).toImmutableSet()
+            }
             HiddenNote(
-                account.getRelevantReports(noteForReports),
+                reports,
                 accountViewModel,
                 Modifier,
                 innerQuote,
@@ -363,7 +368,7 @@ private fun RenderRegularTextNote(
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    val tags = remember(note.event) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+    val tags = remember(note.event) { note.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
     val eventContent = remember { accountViewModel.decrypt(note) }
     val modifier = remember { Modifier.padding(top = 5.dp) }
 
@@ -418,7 +423,7 @@ private fun RenderChangeChannelMetadataNote(
 
     CreateTextWithEmoji(
         text = text,
-        tags = remember { note.author?.info?.latestMetadata?.tags?.toImmutableList() }
+        tags = remember { note.author?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
     )
 }
 
@@ -441,7 +446,7 @@ private fun RenderCreateChannelNote(note: Note) {
 
     CreateTextWithEmoji(
         text = text,
-        tags = remember { note.author?.info?.latestMetadata?.tags?.toImmutableList() }
+        tags = remember { note.author?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
     )
 }
 
@@ -457,7 +462,7 @@ private fun DrawAuthorInfo(
     val route = remember { "User/$pubkeyHex" }
     val userDisplayName = remember(userState) { userState?.user?.toBestDisplayName() }
     val userProfilePicture = remember(userState) { ResizeImage(userState?.user?.profilePicture(), 25.dp) }
-    val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+    val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
 
     Row(
         verticalAlignment = Alignment.CenterVertically,

app/src/main/java/com/vitorpamplona/amethyst/ui/note/MultiSetCompose.kt

@@ -47,6 +47,7 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
 import com.vitorpamplona.amethyst.service.model.LnZapRequestEvent
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.TranslatableRichTextViewer
 import com.vitorpamplona.amethyst.ui.screen.MultiSetCard
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -55,7 +56,6 @@ import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
 import com.vitorpamplona.amethyst.ui.theme.newItemBackgroundColor
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableMap
-import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -65,12 +65,10 @@ fun MultiSetCompose(multiSetCard: MultiSetCard, routeForLastRead: String, accoun
     val baseNote = remember { multiSetCard.note }
 
     var popupExpanded by remember { mutableStateOf(false) }
-
     val scope = rememberCoroutineScope()
-
     var isNew by remember { mutableStateOf(false) }
 
-    LaunchedEffect(key1 = multiSetCard.createdAt()) {
+    LaunchedEffect(key1 = multiSetCard) {
         launch(Dispatchers.IO) {
             val newIsNew = multiSetCard.maxCreatedAt > NotificationCache.load(routeForLastRead)
 
@@ -85,10 +83,14 @@ fun MultiSetCompose(multiSetCard: MultiSetCard, routeForLastRead: String, accoun
     val primaryColor = MaterialTheme.colors.newItemBackgroundColor
     val defaultBackgroundColor = MaterialTheme.colors.background
 
-    val backgroundColor = if (isNew) {
-        primaryColor.compositeOver(defaultBackgroundColor)
-    } else {
-        defaultBackgroundColor
+    val backgroundColor by remember(isNew) {
+        derivedStateOf {
+            if (isNew) {
+                primaryColor.compositeOver(defaultBackgroundColor)
+            } else {
+                defaultBackgroundColor
+            }
+        }
     }
 
     val columnModifier = Modifier
@@ -332,7 +334,7 @@ private fun AuthorPictureAndComment(
         Box(modifier = remember { Modifier.size(35.dp) }, contentAlignment = Alignment.BottomCenter) {
             FastNoteAuthorPicture(
                 author = author,
-                size = 35.dp,
+                size = remember { 35.dp },
                 accountViewModel = accountViewModel,
                 pictureModifier = authorPictureModifier
             )
@@ -362,7 +364,7 @@ private fun AuthorPictureAndComment(
             TranslatableRichTextViewer(
                 content = it,
                 canPreview = true,
-                tags = remember { persistentListOf() },
+                tags = remember { ImmutableListOfLists() },
                 modifier = remember { Modifier.fillMaxWidth() },
                 backgroundColor = backgroundColor,
                 accountViewModel = accountViewModel,
@@ -380,10 +382,10 @@ fun AuthorGallery(
     nav: (String) -> Unit,
     accountViewModel: AccountViewModel
 ) {
-    Column(modifier = Modifier.padding(start = 10.dp)) {
+    Column(modifier = remember { Modifier.padding(start = 10.dp) }) {
         FlowRow() {
             authorNotes.forEach { note ->
-                Box(Modifier.size(35.dp)) {
+                Box(remember { Modifier.size(35.dp) }) {
                     NotePictureAndComment(note, backgroundColor, nav, accountViewModel)
                 }
             }

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NoteCompose.kt

@@ -112,6 +112,8 @@ import com.vitorpamplona.amethyst.service.model.ReactionEvent
 import com.vitorpamplona.amethyst.service.model.ReportEvent
 import com.vitorpamplona.amethyst.service.model.RepostEvent
 import com.vitorpamplona.amethyst.service.model.TextNoteEvent
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.ClickableUrl
 import com.vitorpamplona.amethyst.ui.components.CreateClickableTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
@@ -139,8 +141,11 @@ import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
 import com.vitorpamplona.amethyst.ui.theme.Following
 import com.vitorpamplona.amethyst.ui.theme.newItemBackgroundColor
 import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.ImmutableSet
 import kotlinx.collections.immutable.persistentListOf
+import kotlinx.collections.immutable.persistentSetOf
 import kotlinx.collections.immutable.toImmutableList
+import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -149,7 +154,6 @@ import java.io.File
 import java.math.BigDecimal
 import java.net.URL
 import java.util.Locale
-import kotlin.time.ExperimentalTime
 
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
@@ -245,7 +249,7 @@ fun CheckHiddenNoteCompose(
 data class NoteComposeReportState(
     val isAcceptable: Boolean,
     val canPreview: Boolean,
-    val relevantReports: Set<Note>
+    val relevantReports: ImmutableSet<Note>
 )
 
 @Composable
@@ -267,14 +271,14 @@ fun LoadedNoteCompose(
             NoteComposeReportState(
                 isAcceptable = true,
                 canPreview = true,
-                relevantReports = emptySet()
+                relevantReports = persistentSetOf()
             )
         )
     }
 
     WatchForReports(note, accountViewModel) { newIsAcceptable, newCanPreview, newRelevantReports ->
         if (newIsAcceptable != state.isAcceptable || newCanPreview != state.canPreview) {
-            state = NoteComposeReportState(newIsAcceptable, newCanPreview, newRelevantReports)
+            state = NoteComposeReportState(newIsAcceptable, newCanPreview, newRelevantReports.toImmutableSet())
         }
     }
 
@@ -326,20 +330,21 @@ private fun WatchForReports(
     onChange: (Boolean, Boolean, Set<Note>) -> Unit
 ) {
     val accountState by accountViewModel.accountLiveData.observeAsState()
-    val account = remember(accountState) { accountState?.account } ?: return
-
     val noteReportsState by note.live().reports.observeAsState()
-    val noteForReports = remember(noteReportsState) { noteReportsState?.note } ?: return
 
     LaunchedEffect(key1 = noteReportsState, key2 = accountState) {
         launch(Dispatchers.Default) {
-            account.userProfile().let { loggedIn ->
-                val newCanPreview = note.author?.pubkeyHex == loggedIn.pubkeyHex ||
-                    (note.author?.let { loggedIn.isFollowingCached(it) } ?: true) ||
-                    !(noteForReports.hasAnyReports())
+            accountState?.account?.let { loggedIn ->
+                val newCanPreview = note.author?.pubkeyHex == loggedIn.userProfile().pubkeyHex ||
+                    (note.author?.let { loggedIn.userProfile().isFollowingCached(it) } ?: true) ||
+                    noteReportsState?.note?.hasAnyReports() != true
 
-                val newIsAcceptable = account.isAcceptable(noteForReports)
-                val newRelevantReports = account.getRelevantReports(noteForReports)
+                val newIsAcceptable = noteReportsState?.note?.let {
+                    loggedIn.isAcceptable(it)
+                } ?: true
+                val newRelevantReports = noteReportsState?.note?.let {
+                    loggedIn.getRelevantReports(it)
+                } ?: emptySet()
 
                 onChange(newIsAcceptable, newCanPreview, newRelevantReports)
             }
@@ -596,7 +601,7 @@ private fun RenderTextEvent(
                 accountViewModel = accountViewModel
             ) {
                 val modifier = remember(note) { Modifier.fillMaxWidth() }
-                val tags = remember(note) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+                val tags = remember(note) { note.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
 
                 TranslatableRichTextViewer(
                     content = eventContent,
@@ -609,7 +614,7 @@ private fun RenderTextEvent(
                 )
             }
 
-            val hashtags = remember(note.event) { note.event?.hashtags() ?: emptyList() }
+            val hashtags = remember(note.event) { note.event?.hashtags()?.toImmutableList() ?: persistentListOf() }
             DisplayUncitedHashtags(hashtags, eventContent, nav)
         }
     }
@@ -646,7 +651,7 @@ private fun RenderPoll(
     } else {
         val hasSensitiveContent = remember(note.event) { note.event?.isSensitive() ?: false }
 
-        val tags = remember(note) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+        val tags = remember(note) { note.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
 
         SensitivityWarning(
             hasSensitiveContent = hasSensitiveContent,
@@ -671,7 +676,7 @@ private fun RenderPoll(
             )
         }
 
-        var hashtags = remember { noteEvent.hashtags() }
+        var hashtags = remember { noteEvent.hashtags().toImmutableList() }
         DisplayUncitedHashtags(hashtags, eventContent, nav)
     }
 
@@ -797,7 +802,7 @@ fun RenderAppDefinition(
                     Row(verticalAlignment = Alignment.Bottom, modifier = Modifier.padding(top = 7.dp)) {
                         CreateTextWithEmoji(
                             text = it,
-                            tags = remember { (note.event?.tags() ?: emptyList()).toImmutableList() },
+                            tags = remember { (note.event?.tags() ?: emptyList()).toImmutableListOfLists() },
                             fontWeight = FontWeight.Bold,
                             fontSize = 25.sp
                         )
@@ -827,7 +832,7 @@ fun RenderAppDefinition(
                     Row(
                         modifier = Modifier.padding(top = 5.dp, bottom = 5.dp)
                     ) {
-                        val tags = remember(note) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+                        val tags = remember(note) { note.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
                         TranslatableRichTextViewer(
                             content = it,
                             canPreview = false,
@@ -891,11 +896,11 @@ private fun RenderPrivateMessage(
     if (withMe) {
         val eventContent = remember { accountViewModel.decrypt(note) }
 
-        val hashtags = remember(note.event?.id()) { note.event?.hashtags() ?: emptyList() }
+        val hashtags = remember(note.event?.id()) { note.event?.hashtags()?.toImmutableList() ?: persistentListOf() }
         val modifier = remember(note.event?.id()) { Modifier.fillMaxWidth() }
         val isAuthorTheLoggedUser = remember(note.event?.id()) { accountViewModel.isLoggedUser(note.author) }
 
-        val tags = remember(note) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+        val tags = remember(note) { note.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
 
         if (eventContent != null) {
             if (makeItShort && isAuthorTheLoggedUser) {
@@ -936,7 +941,7 @@ private fun RenderPrivateMessage(
             ),
             canPreview = !makeItShort,
             Modifier.fillMaxWidth(),
-            persistentListOf(),
+            ImmutableListOfLists(),
             backgroundColor,
             accountViewModel,
             nav
@@ -1248,7 +1253,7 @@ fun PinListHeader(
                     TranslatableRichTextViewer(
                         content = pin,
                         canPreview = true,
-                        tags = remember { persistentListOf() },
+                        tags = remember { ImmutableListOfLists() },
                         backgroundColor = backgroundColor,
                         accountViewModel = accountViewModel,
                         nav = nav
@@ -1358,7 +1363,7 @@ private fun RenderReport(
         content = content,
         canPreview = true,
         modifier = remember { Modifier },
-        tags = remember { persistentListOf() },
+        tags = remember { ImmutableListOfLists() },
         backgroundColor = backgroundColor,
         accountViewModel = accountViewModel,
         nav = nav
@@ -1433,8 +1438,12 @@ private fun ReplyRow(
 
         Spacer(modifier = Modifier.height(5.dp))
     } else if (noteEvent is ChannelMessageEvent && (note.replyTo != null || noteEvent.hasAnyTaggedUser())) {
-        note.channelHex()?.let {
-            ReplyInformationChannel(note.replyTo, noteEvent.mentions(), it, accountViewModel, nav)
+        val channelHex = note.channelHex()
+        channelHex?.let {
+            val replies = remember { note.replyTo?.toImmutableList() }
+            val mentions = remember { noteEvent.mentions().toImmutableList() }
+
+            ReplyInformationChannel(replies, mentions, it, accountViewModel, nav)
         }
 
         Spacer(modifier = Modifier.height(5.dp))
@@ -1453,7 +1462,7 @@ private fun SecondUserInfoRow(
     Row(verticalAlignment = Alignment.CenterVertically) {
         ObserveDisplayNip05Status(noteAuthor, remember { Modifier.weight(1f) })
 
-        val baseReward = remember { noteEvent.getReward() }
+        val baseReward = remember { noteEvent.getReward()?.let { Reward(it) } }
         if (baseReward != null) {
             DisplayReward(baseReward, note, accountViewModel, nav)
         }
@@ -1480,11 +1489,11 @@ private fun FirstUserInfoRow(
 
     Row(verticalAlignment = Alignment.CenterVertically) {
         if (showAuthorPicture) {
-            NoteAuthorPicture(baseNote, nav, accountViewModel, 25.dp)
+            NoteAuthorPicture(baseNote, nav, accountViewModel, remember { 25.dp })
             Spacer(padding)
-            NoteUsernameDisplay(baseNote, Modifier.weight(1f))
+            NoteUsernameDisplay(baseNote, remember { Modifier.weight(1f) })
         } else {
-            NoteUsernameDisplay(baseNote, Modifier.weight(1f))
+            NoteUsernameDisplay(baseNote, remember { Modifier.weight(1f) })
         }
 
         if (eventNote is RepostEvent) {
@@ -1551,7 +1560,6 @@ fun TimeAgo(time: Long) {
     )
 }
 
-@OptIn(ExperimentalTime::class)
 @Composable
 private fun DrawAuthorImages(baseNote: Note, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
     val baseChannelHex = remember { baseNote.channelHex() }
@@ -1661,7 +1669,7 @@ private fun RepostNoteAuthorPicture(
                 baseNote = it,
                 nav = nav,
                 accountViewModel = accountViewModel,
-                size = 30.dp,
+                size = remember { 30.dp },
                 pictureModifier = Modifier.border(
                     2.dp,
                     MaterialTheme.colors.background,
@@ -1695,8 +1703,8 @@ fun DisplayHighlight(
     TranslatableRichTextViewer(
         quote,
         canPreview = canPreview && !makeItShort,
-        Modifier.fillMaxWidth(),
-        persistentListOf(),
+        remember { Modifier.fillMaxWidth() },
+        remember { ImmutableListOfLists<String>(emptyList()) },
         backgroundColor,
         accountViewModel,
         nav
@@ -1718,7 +1726,7 @@ fun DisplayHighlight(
                 val userState by userBase.live().metadata.observeAsState()
                 val route = remember { "User/${userBase.pubkeyHex}" }
                 val userDisplayName = remember(userState) { userState?.user?.toBestDisplayName() }
-                val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+                val userTags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
 
                 if (userDisplayName != null) {
                     CreateClickableTextWithEmoji(
@@ -1793,7 +1801,7 @@ fun DisplayFollowingHashtagsInPost(
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun DisplayUncitedHashtags(
-    hashtags: List<String>,
+    hashtags: ImmutableList<String>,
     eventContent: String,
     nav: (String) -> Unit
 ) {
@@ -1832,9 +1840,12 @@ fun DisplayPoW(
     )
 }
 
+@Stable
+data class Reward(val amount: BigDecimal)
+
 @Composable
 fun DisplayReward(
-    baseReward: BigDecimal,
+    baseReward: Reward,
     baseNote: Note,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -1870,13 +1881,13 @@ fun DisplayReward(
 @Composable
 private fun RenderPledgeAmount(
     baseNote: Note,
-    baseReward: BigDecimal,
+    baseReward: Reward,
     accountViewModel: AccountViewModel
 ) {
     val repliesState by baseNote.live().replies.observeAsState()
-    var rewardAmount by remember {
-        mutableStateOf<BigDecimal?>(
-            baseReward
+    var reward by remember {
+        mutableStateOf<String>(
+            showAmount(baseReward.amount)
         )
     }
 
@@ -1889,9 +1900,9 @@ private fun RenderPledgeAmount(
     LaunchedEffect(key1 = repliesState) {
         launch(Dispatchers.IO) {
             repliesState?.note?.pledgedAmountByOthers()?.let {
-                val newRewardAmount = baseReward.add(it)
-                if (newRewardAmount != rewardAmount) {
-                    rewardAmount = newRewardAmount
+                val newRewardAmount = showAmount(baseReward.amount.add(it))
+                if (newRewardAmount != reward) {
+                    reward = newRewardAmount
                 }
             }
             val newHasPledge = repliesState?.note?.hasPledgeBy(accountViewModel.userProfile()) == true
@@ -1918,7 +1929,7 @@ private fun RenderPledgeAmount(
     }
 
     Text(
-        showAmount(rewardAmount),
+        text = reward,
         color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)
     )
 }
@@ -2052,7 +2063,7 @@ fun FileHeaderDisplay(note: Note) {
     }
 
     content?.let {
-        ZoomableContentView(content = it, listOf(it))
+        ZoomableContentView(content = it)
     }
 }
 
@@ -2110,7 +2121,7 @@ fun FileStorageHeaderDisplay(baseNote: Note) {
         }
 
         content?.let {
-            ZoomableContentView(content = it, listOf(it))
+            ZoomableContentView(content = it)
         }
     }
 }
@@ -2289,14 +2300,14 @@ private fun CreateImageHeader(
 private fun RelayBadges(baseNote: Note) {
     var expanded by remember { mutableStateOf(false) }
     var showShowMore by remember { mutableStateOf(false) }
-    var lazyRelayList by remember { mutableStateOf(emptyList<String>()) }
+    var lazyRelayList by remember { mutableStateOf<ImmutableList<String>>(persistentListOf()) }
 
     WatchRelayLists(baseNote) { relayList ->
         val relaysToDisplay = if (expanded) relayList else relayList.take(3)
         val shouldListChange = lazyRelayList.size < 3 || lazyRelayList.size != relayList.size
 
         if (shouldListChange) {
-            lazyRelayList = relaysToDisplay
+            lazyRelayList = relaysToDisplay.toImmutableList()
         }
 
         val nextShowMore = relayList.size > 3 && !expanded
@@ -2336,7 +2347,7 @@ private fun WatchRelayLists(baseNote: Note, onListChanges: (ImmutableList<String
 @Composable
 @Stable
 private fun VerticalRelayPanelWithFlow(
-    relays: List<String>
+    relays: ImmutableList<String>
 ) {
     // FlowRow Seems to be a lot faster than LazyVerticalGrid
     FlowRow() {
@@ -2499,6 +2510,8 @@ fun UserPicture(
             .clip(shape = CircleShape)
     }
 
+    val myIconSize = remember(size) { size.div(3.5f) }
+
     Box(myBoxModifier, contentAlignment = TopEnd) {
         RobohashAsyncImageProxy(
             robot = userHex,
@@ -2509,7 +2522,7 @@ fun UserPicture(
             modifier = myImageModifier.background(MaterialTheme.colors.background)
         )
 
-        ObserveAndDisplayFollowingMark(userHex, size.div(3.5f), accountViewModel)
+        ObserveAndDisplayFollowingMark(userHex, myIconSize, accountViewModel)
     }
 }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/note/PollNote.kt

@@ -27,11 +27,11 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.TranslatableRichTextViewer
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
-import kotlinx.collections.immutable.ImmutableList
-import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.util.*
@@ -111,7 +111,9 @@ private fun OptionNote(
     backgroundColor: Color,
     nav: (String) -> Unit
 ) {
-    val tags = remember(baseNote) { baseNote.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+    val tags = remember(baseNote) {
+        baseNote.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists()
+    }
 
     Row(
         verticalAlignment = Alignment.CenterVertically,
@@ -165,7 +167,7 @@ private fun RenderOptionAfterVote(
     totalRatio: Float,
     color: Color,
     canPreview: Boolean,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
@@ -232,7 +234,7 @@ private fun RenderOptionAfterVote(
 private fun RenderOptionBeforeVote(
     description: String,
     canPreview: Boolean,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ReplyInformation.kt

@@ -18,25 +18,29 @@ import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.unit.sp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.*
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateClickableTextWithEmoji
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @Composable
 fun ReplyInformation(
-    replyTo: List<Note>?,
-    mentions: List<String>,
+    replyTo: ImmutableList<Note>?,
+    mentions: ImmutableList<String>,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    var sortedMentions by remember { mutableStateOf<List<User>?>(null) }
+    var sortedMentions by remember { mutableStateOf<ImmutableList<User>?>(null) }
 
     LaunchedEffect(Unit) {
         launch(Dispatchers.IO) {
             sortedMentions = mentions.mapNotNull { LocalCache.checkGetOrCreateUser(it) }
-                ?.toSet()?.sortedBy { !accountViewModel.account.userProfile().isFollowingCached(it) }
+                .toSet()
+                .sortedBy { !accountViewModel.account.userProfile().isFollowingCached(it) }
+                .toImmutableList()
         }
     }
 
@@ -50,8 +54,8 @@ fun ReplyInformation(
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
 private fun ReplyInformation(
-    replyTo: List<Note>?,
-    sortedMentions: List<User>?,
+    replyTo: ImmutableList<Note>?,
+    sortedMentions: ImmutableList<User>?,
     prefix: String = "",
     onUserTagClick: (User) -> Unit
 ) {
@@ -120,13 +124,13 @@ private fun ReplyInformation(
 
 @Composable
 fun ReplyInformationChannel(
-    replyTo: List<Note>?,
-    mentions: List<String>,
+    replyTo: ImmutableList<Note>?,
+    mentions: ImmutableList<String>,
     channelHex: String,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    var sortedMentions by remember { mutableStateOf<List<User>?>(null) }
+    var sortedMentions by remember { mutableStateOf<ImmutableList<User>?>(null) }
 
     LaunchedEffect(Unit) {
         launch(Dispatchers.IO) {
@@ -134,6 +138,7 @@ fun ReplyInformationChannel(
                 .mapNotNull { LocalCache.checkGetOrCreateUser(it) }
                 .toSet()
                 .sortedBy { accountViewModel.account.isFollowing(it) }
+                .toImmutableList()
         }
     }
 
@@ -155,7 +160,7 @@ fun ReplyInformationChannel(
 }
 
 @Composable
-fun ReplyInformationChannel(replyTo: List<Note>?, mentions: List<User>?, channel: Channel, nav: (String) -> Unit) {
+fun ReplyInformationChannel(replyTo: ImmutableList<Note>?, mentions: ImmutableList<User>?, channel: Channel, nav: (String) -> Unit) {
     ReplyInformationChannel(
         replyTo,
         mentions,
@@ -172,8 +177,8 @@ fun ReplyInformationChannel(replyTo: List<Note>?, mentions: List<User>?, channel
 @OptIn(ExperimentalLayoutApi::class)
 @Composable
 fun ReplyInformationChannel(
-    replyTo: List<Note>?,
-    mentions: List<User>?,
+    replyTo: ImmutableList<Note>?,
+    mentions: ImmutableList<User>?,
     baseChannel: Channel,
     prefix: String = "",
     onUserTagClick: (User) -> Unit,
@@ -182,6 +187,10 @@ fun ReplyInformationChannel(
     val channelState by baseChannel.live.observeAsState()
     val channel = channelState?.channel ?: return
 
+    val channelName = remember(channelState) {
+        AnnotatedString("${channel.info.name} ")
+    }
+
     FlowRow() {
         Text(
             stringResource(R.string.in_channel),
@@ -190,7 +199,7 @@ fun ReplyInformationChannel(
         )
 
         ClickableText(
-            AnnotatedString("${channel.info.name} "),
+            text = channelName,
             style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary.copy(alpha = 0.52f), fontSize = 13.sp),
             onClick = { onChannelTagClick(channel) }
         )
@@ -235,7 +244,7 @@ private fun ReplyInfoMention(
 
     CreateClickableTextWithEmoji(
         clickablePart = remember(innerUserState) { "$prefix${innerUserState?.user?.toBestDisplayName()}" },
-        tags = remember(innerUserState) { innerUserState?.user?.info?.latestMetadata?.tags?.toImmutableList() },
+        tags = remember(innerUserState) { innerUserState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() },
         style = LocalTextStyle.current.copy(
             color = MaterialTheme.colors.primary.copy(alpha = 0.52f),
             fontSize = 13.sp

app/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateZapAmountDialog.kt

@@ -78,6 +78,7 @@ import com.vitorpamplona.amethyst.ui.qrcode.SimpleQrCodeScanner
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.getFragmentActivity
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import androidx.compose.runtime.rememberCoroutineScope as rememberCoroutineScope
@@ -212,8 +213,8 @@ fun UpdateZapAmountDialog(onClose: () -> Unit, nip47uri: String? = null, account
         Triple(LnZapEvent.ZapType.NONZAP, stringResource(id = R.string.zap_type_nonzap), stringResource(id = R.string.zap_type_nonzap_explainer))
     )
 
-    val zapOptions = zapTypes.map { it.second }
-    val zapOptionExplainers = zapTypes.map { it.third }
+    val zapOptions = remember { zapTypes.map { it.second }.toImmutableList() }
+    val zapOptionExplainers = remember { zapTypes.map { it.third }.toImmutableList() }
 
     LaunchedEffect(accountViewModel) {
         postViewModel.load()

app/src/main/java/com/vitorpamplona/amethyst/ui/note/UserReactionsRow.kt

@@ -39,6 +39,7 @@ import com.vitorpamplona.amethyst.model.HexKey
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
 import com.vitorpamplona.amethyst.service.model.ReactionEvent
 import com.vitorpamplona.amethyst.service.model.RepostEvent
@@ -83,28 +84,48 @@ fun UserReactionsRow(
             )
         }
 
-        Row(verticalAlignment = CenterVertically, modifier = Modifier.weight(1f)) {
-            val replies by model.replies.collectAsState()
-            UserReplyReaction(replies[model.today()])
+        Row(verticalAlignment = CenterVertically, modifier = remember { Modifier.weight(1f) }) {
+            UserReplyModel(model)
         }
 
-        Row(verticalAlignment = CenterVertically, modifier = Modifier.weight(1f)) {
-            val boosts by model.boosts.collectAsState()
-            UserBoostReaction(boosts[model.today()])
+        Row(verticalAlignment = CenterVertically, modifier = remember { Modifier.weight(1f) }) {
+            UserBoostModel(model)
         }
 
-        Row(verticalAlignment = CenterVertically, modifier = Modifier.weight(1f)) {
-            val reactions by model.reactions.collectAsState()
-            UserLikeReaction(reactions[model.today()])
+        Row(verticalAlignment = CenterVertically, modifier = remember { Modifier.weight(1f) }) {
+            UserReactionModel(model)
         }
 
-        Row(verticalAlignment = CenterVertically, modifier = Modifier.weight(1f)) {
-            val zaps by model.zaps.collectAsState()
-            UserZapReaction(zaps[model.today()])
+        Row(verticalAlignment = CenterVertically, modifier = remember { Modifier.weight(1f) }) {
+            UserZapModel(model)
         }
     }
 }
 
+@Composable
+private fun UserZapModel(model: UserReactionsViewModel) {
+    val zaps by model.zaps.collectAsState()
+    UserZapReaction(showAmountAxis(zaps[model.today()]))
+}
+
+@Composable
+private fun UserReactionModel(model: UserReactionsViewModel) {
+    val reactions by model.reactions.collectAsState()
+    UserLikeReaction(reactions[model.today()])
+}
+
+@Composable
+private fun UserBoostModel(model: UserReactionsViewModel) {
+    val boosts by model.boosts.collectAsState()
+    UserBoostReaction(boosts[model.today()])
+}
+
+@Composable
+private fun UserReplyModel(model: UserReactionsViewModel) {
+    val replies by model.replies.collectAsState()
+    UserReplyReaction(replies[model.today()])
+}
+
 @Stable
 class UserReactionsViewModel(val account: Account) : ViewModel() {
     val user: User = account.userProfile()
@@ -275,6 +296,8 @@ class UserReactionsViewModel(val account: Account) : ViewModel() {
 
             collectorJob = viewModelScope.launch(Dispatchers.IO) {
                 LocalCache.live.newEventBundles.collect { newNotes ->
+                    checkNotInMainThread()
+
                     invalidateInsertData(newNotes)
                 }
             }
@@ -290,6 +313,7 @@ class UserReactionsViewModel(val account: Account) : ViewModel() {
     }
 
     override fun onCleared() {
+        collectorJob?.cancel()
         super.onCleared()
     }
 
@@ -368,10 +392,8 @@ fun UserLikeReaction(
 
 @Composable
 fun UserZapReaction(
-    amount: BigDecimal?
+    amount: String
 ) {
-    val showAmounts = remember(amount) { showAmountAxis(amount) }
-
     Icon(
         imageVector = Icons.Default.Bolt,
         contentDescription = stringResource(R.string.zaps),
@@ -382,7 +404,7 @@ fun UserZapReaction(
     Spacer(modifier = Modifier.width(8.dp))
 
     Text(
-        showAmounts,
+        amount,
         fontWeight = FontWeight.Bold,
         fontSize = 18.sp
     )

app/src/main/java/com/vitorpamplona/amethyst/ui/note/UsernameDisplay.kt

@@ -11,9 +11,9 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
-import kotlinx.collections.immutable.ImmutableList
-import kotlinx.collections.immutable.toImmutableList
 
 @Composable
 fun NoteUsernameDisplay(baseNote: Note, weight: Modifier = Modifier) {
@@ -31,7 +31,7 @@ fun UsernameDisplay(baseUser: User, weight: Modifier = Modifier) {
     val bestUserName = remember(userState) { userState?.user?.bestUsername() }
     val bestDisplayName = remember(userState) { userState?.user?.bestDisplayName() }
     val npubDisplay = remember { baseUser.pubkeyDisplayHex() }
-    val tags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+    val tags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
 
     UserNameDisplay(bestUserName, bestDisplayName, npubDisplay, tags, weight)
 }
@@ -41,7 +41,7 @@ private fun UserNameDisplay(
     bestUserName: String?,
     bestDisplayName: String?,
     npubDisplay: String,
-    tags: ImmutableList<List<String>>?,
+    tags: ImmutableListOfLists<String>?,
     modifier: Modifier
 ) {
     if (bestUserName != null && bestDisplayName != null) {

app/src/main/java/com/vitorpamplona/amethyst/ui/note/ZapCustomDialog.kt

@@ -26,6 +26,7 @@ import com.vitorpamplona.amethyst.service.model.LnZapEvent
 import com.vitorpamplona.amethyst.ui.actions.CloseButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -74,8 +75,8 @@ fun ZapCustomDialog(onClose: () -> Unit, accountViewModel: AccountViewModel, bas
         Triple(LnZapEvent.ZapType.NONZAP, stringResource(id = R.string.zap_type_nonzap), stringResource(id = R.string.zap_type_nonzap_explainer))
     )
 
-    val zapOptions = zapTypes.map { it.second }
-    val zapOptionExplainers = zapTypes.map { it.third }
+    val zapOptions = remember { zapTypes.map { it.second }.toImmutableList() }
+    val zapOptionExplainers = remember { zapTypes.map { it.third }.toImmutableList() }
     var selectedZapType by remember(accountViewModel) { mutableStateOf(accountViewModel.account.defaultZapType) }
 
     Dialog(

app/src/main/java/com/vitorpamplona/amethyst/ui/qrcode/ShowQRDialog.kt

@@ -34,11 +34,11 @@ import androidx.compose.ui.window.DialogProperties
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.ui.actions.CloseButton
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.ResizeImage
 import com.vitorpamplona.amethyst.ui.components.RobohashAsyncImageProxy
 import com.vitorpamplona.amethyst.ui.qrcode.NIP19QrCodeScanner
-import kotlinx.collections.immutable.toImmutableList
 
 @Composable
 fun ShowQRDialog(user: User, onScan: (String) -> Unit, onClose: () -> Unit) {
@@ -88,7 +88,7 @@ fun ShowQRDialog(user: User, onScan: (String) -> Unit, onClose: () -> Unit) {
                             Row(horizontalArrangement = Arrangement.Center, modifier = Modifier.fillMaxWidth().padding(top = 5.dp)) {
                                 CreateTextWithEmoji(
                                     text = user.bestDisplayName() ?: user.bestUsername() ?: "",
-                                    tags = user.info?.latestMetadata?.tags?.toImmutableList(),
+                                    tags = user.info?.latestMetadata?.tags?.toImmutableListOfLists(),
                                     fontWeight = FontWeight.Bold,
                                     fontSize = 18.sp
                                 )

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/AccountStateViewModel.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.ui.screen
 
 import android.content.Context
+import androidx.compose.runtime.Stable
 import androidx.lifecycle.ViewModel
 import com.vitorpamplona.amethyst.LocalPreferences
 import com.vitorpamplona.amethyst.ServiceManager
@@ -22,6 +23,7 @@ import nostr.postr.Persona
 import nostr.postr.bechToBytes
 import java.util.regex.Pattern
 
+@Stable
 class AccountStateViewModel(val context: Context) : ViewModel() {
     private val _accountContent = MutableStateFlow<AccountState>(AccountState.LoggedOff)
     val accountContent = _accountContent.asStateFlow()

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/CardFeedView.kt

@@ -34,6 +34,7 @@ import com.vitorpamplona.amethyst.ui.note.MultiSetCompose
 import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.note.ZapUserSetCompose
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
+import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalMaterialApi::class)
 @Composable
@@ -100,9 +101,11 @@ private fun WatchScrollToTop(
     val scrollToTop by viewModel.scrollToTop.collectAsState()
 
     LaunchedEffect(scrollToTop) {
-        if (scrollToTop > 0 && viewModel.scrolltoTopPending) {
-            listState.scrollToItem(index = 0)
-            viewModel.sentToTop()
+        launch {
+            if (scrollToTop > 0 && viewModel.scrolltoTopPending) {
+                listState.scrollToItem(index = 0)
+                viewModel.sentToTop()
+            }
         }
     }
 }
@@ -118,11 +121,10 @@ fun RenderCardFeed(
     val feedState by viewModel.feedContent.collectAsState()
 
     Crossfade(
-        modifier = Modifier.fillMaxSize(),
+        modifier = remember { Modifier.fillMaxSize() },
         targetState = feedState,
         animationSpec = tween(durationMillis = 100)
     ) { state ->
-
         when (state) {
             is CardFeedState.Empty -> {
                 FeedEmpty {
@@ -176,49 +178,59 @@ private fun FeedLoaded(
     ) {
         itemsIndexed(state.feed.value, key = { _, item -> item.id() }) { _, item ->
             Row(defaultModifier) {
-                when (item) {
-                    is NoteCard -> NoteCompose(
-                        item,
-                        isBoostedNote = false,
-                        accountViewModel = accountViewModel,
-                        nav = nav,
-                        routeForLastRead = routeForLastRead
-                    )
-
-                    is ZapUserSetCard -> ZapUserSetCompose(
-                        item,
-                        isInnerNote = false,
-                        accountViewModel = accountViewModel,
-                        nav = nav,
-                        routeForLastRead = routeForLastRead
-                    )
-
-                    is MultiSetCard -> MultiSetCompose(
-                        item,
-                        accountViewModel = accountViewModel,
-                        nav = nav,
-                        routeForLastRead = routeForLastRead
-                    )
-
-                    is BadgeCard -> BadgeCompose(
-                        item,
-                        accountViewModel = accountViewModel,
-                        nav = nav,
-                        routeForLastRead = routeForLastRead
-                    )
-
-                    is MessageSetCard -> MessageSetCompose(
-                        messageSetCard = item,
-                        routeForLastRead = routeForLastRead,
-                        accountViewModel = accountViewModel,
-                        nav = nav
-                    )
-                }
+                RenderCardItem(item, accountViewModel, nav, routeForLastRead)
             }
         }
     }
 }
 
+@Composable
+private fun RenderCardItem(
+    item: Card,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit,
+    routeForLastRead: String
+) {
+    when (item) {
+        is NoteCard -> NoteCompose(
+            item,
+            isBoostedNote = false,
+            accountViewModel = accountViewModel,
+            nav = nav,
+            routeForLastRead = routeForLastRead
+        )
+
+        is ZapUserSetCard -> ZapUserSetCompose(
+            item,
+            isInnerNote = false,
+            accountViewModel = accountViewModel,
+            nav = nav,
+            routeForLastRead = routeForLastRead
+        )
+
+        is MultiSetCard -> MultiSetCompose(
+            item,
+            accountViewModel = accountViewModel,
+            nav = nav,
+            routeForLastRead = routeForLastRead
+        )
+
+        is BadgeCard -> BadgeCompose(
+            item,
+            accountViewModel = accountViewModel,
+            nav = nav,
+            routeForLastRead = routeForLastRead
+        )
+
+        is MessageSetCard -> MessageSetCompose(
+            messageSetCard = item,
+            routeForLastRead = routeForLastRead,
+            accountViewModel = accountViewModel,
+            nav = nav
+        )
+    }
+}
+
 @Composable
 fun NoteCompose(
     baseNote: NoteCard,

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/CardFeedViewModel.kt

@@ -314,6 +314,8 @@ open class CardFeedViewModel(val localFilter: FeedFilter<Note>) : ViewModel() {
     init {
         collectorJob = viewModelScope.launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect { newNotes ->
+                checkNotInMainThread()
+
                 if (localFilter is AdditiveFeedFilter && _feedContent.value is CardFeedState.Loaded) {
                     invalidateInsertData(newNotes)
                 } else {

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/FeedViewModel.kt

@@ -246,6 +246,8 @@ abstract class FeedViewModel(val localFilter: FeedFilter<Note>) : ViewModel(), I
     init {
         collectorJob = viewModelScope.launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect { newNotes ->
+                checkNotInMainThread()
+
                 if (localFilter is AdditiveFeedFilter &&
                     (_feedContent.value is FeedState.Loaded || _feedContent.value is FeedState.Empty)
                 ) {

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/LnZapFeedViewModel.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.screen
 
+import androidx.compose.runtime.Stable
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
@@ -28,6 +29,7 @@ class NostrUserProfileZapsFeedViewModel(user: User) : LnZapFeedViewModel(UserPro
     }
 }
 
+@Stable
 open class LnZapFeedViewModel(val dataSource: FeedFilter<ZapReqResponse>) : ViewModel() {
     private val _feedContent = MutableStateFlow<LnZapFeedState>(LnZapFeedState.Loading)
     val feedContent = _feedContent.asStateFlow()
@@ -83,6 +85,8 @@ open class LnZapFeedViewModel(val dataSource: FeedFilter<ZapReqResponse>) : View
 
     init {
         collectorJob = viewModelScope.launch(Dispatchers.IO) {
+            checkNotInMainThread()
+
             LocalCache.live.newEventBundles.collect { newNotes ->
                 invalidateData()
             }

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/ThreadFeedView.kt

@@ -60,6 +60,8 @@ import com.vitorpamplona.amethyst.service.model.LongTextNoteEvent
 import com.vitorpamplona.amethyst.service.model.PeopleListEvent
 import com.vitorpamplona.amethyst.service.model.PinListEvent
 import com.vitorpamplona.amethyst.service.model.PollNoteEvent
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.ObserveDisplayNip05Status
 import com.vitorpamplona.amethyst.ui.components.SensitivityWarning
 import com.vitorpamplona.amethyst.ui.components.TranslatableRichTextViewer
@@ -81,6 +83,7 @@ import com.vitorpamplona.amethyst.ui.note.timeAgo
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.theme.newItemBackgroundColor
 import kotlinx.collections.immutable.toImmutableList
+import kotlinx.collections.immutable.toImmutableSet
 import kotlinx.coroutines.delay
 
 @OptIn(ExperimentalMaterialApi::class)
@@ -231,8 +234,12 @@ fun NoteMaster(
     if (noteEvent == null) {
         BlankNote()
     } else if (!account.isAcceptable(noteForReports) && !showHiddenNote) {
+        val reports = remember {
+            account.getRelevantReports(noteForReports).toImmutableSet()
+        }
+
         HiddenNote(
-            account.getRelevantReports(noteForReports),
+            reports,
             accountViewModel,
             Modifier,
             false,
@@ -289,14 +296,14 @@ fun NoteMaster(
                     }
 
                     Row(verticalAlignment = Alignment.CenterVertically) {
-                        ObserveDisplayNip05Status(baseNote, Modifier.weight(1f))
+                        ObserveDisplayNip05Status(baseNote, remember { Modifier.weight(1f) })
 
-                        val baseReward = noteEvent.getReward()
+                        val baseReward = remember { noteEvent.getReward()?.let { Reward(it) } }
                         if (baseReward != null) {
                             DisplayReward(baseReward, baseNote, accountViewModel, nav)
                         }
 
-                        val pow = noteEvent.getPoWRank()
+                        val pow = remember { noteEvent.getPoWRank() }
                         if (pow > 20) {
                             DisplayPoW(pow)
                         }
@@ -389,7 +396,7 @@ fun NoteMaster(
 
                         if (eventContent != null) {
                             val hasSensitiveContent = remember(note.event) { note.event?.isSensitive() ?: false }
-                            val tags = remember(note) { note.event?.tags()?.toImmutableList() ?: emptyList<List<String>>().toImmutableList() }
+                            val tags = remember(note) { note.event?.tags()?.toImmutableListOfLists() ?: ImmutableListOfLists() }
 
                             SensitivityWarning(
                                 hasSensitiveContent = hasSensitiveContent,
@@ -398,7 +405,7 @@ fun NoteMaster(
                                 TranslatableRichTextViewer(
                                     eventContent,
                                     canPreview,
-                                    Modifier.fillMaxWidth(),
+                                    remember { Modifier.fillMaxWidth() },
                                     tags,
                                     MaterialTheme.colors.background,
                                     accountViewModel,
@@ -406,7 +413,10 @@ fun NoteMaster(
                                 )
                             }
 
-                            DisplayUncitedHashtags(noteEvent.hashtags(), eventContent, nav)
+                            val hashtags = remember {
+                                noteEvent.hashtags().toImmutableList()
+                            }
+                            DisplayUncitedHashtags(hashtags, eventContent, nav)
 
                             if (noteEvent is PollNoteEvent) {
                                 PollNote(

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/UserFeedViewModel.kt

@@ -1,5 +1,6 @@
 package com.vitorpamplona.amethyst.ui.screen
 
+import androidx.compose.runtime.Stable
 import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
@@ -47,6 +48,7 @@ class NostrHiddenAccountsFeedViewModel(val account: Account) : UserFeedViewModel
     }
 }
 
+@Stable
 open class UserFeedViewModel(val dataSource: FeedFilter<User>) : ViewModel(), InvalidatableViewModel {
     private val _feedContent = MutableStateFlow<UserFeedState>(UserFeedState.Loading)
     val feedContent = _feedContent.asStateFlow()
@@ -103,6 +105,8 @@ open class UserFeedViewModel(val dataSource: FeedFilter<User>) : ViewModel(), In
 
     init {
         collectorJob = viewModelScope.launch(Dispatchers.IO) {
+            checkNotInMainThread()
+
             LocalCache.live.newEventBundles.collect { newNotes ->
                 invalidateData()
             }

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt

@@ -148,10 +148,14 @@ fun ChannelScreen(
 
     LaunchedEffect(Unit) {
         NostrChannelDataSource.start()
-
         feedViewModel.invalidateData()
-        newPostModel.imageUploadingError.collect { error ->
-            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+
+        launch(Dispatchers.IO) {
+            newPostModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+                }
+            }
         }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChatroomScreen.kt

@@ -106,10 +106,14 @@ fun ChatroomScreen(
 
     LaunchedEffect(baseUser, accountViewModel) {
         NostrChatroomDataSource.start()
-
         feedViewModel.invalidateData()
-        newPostModel.imageUploadingError.collect { error ->
-            Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+
+        launch(Dispatchers.IO) {
+            newPostModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
+                    Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
+                }
+            }
         }
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/LoadRedirectScreen.kt

@@ -10,6 +10,10 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -17,36 +21,66 @@ import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.LocalCache
+import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.ChannelCreateEvent
 import com.vitorpamplona.amethyst.service.model.PrivateDmEvent
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @Composable
 fun LoadRedirectScreen(eventId: String?, navController: NavController) {
     if (eventId == null) return
 
-    val baseNote = LocalCache.checkGetOrCreateNote(eventId) ?: return
+    var noteBase by remember { mutableStateOf<Note?>(null) }
 
+    val nav = remember(navController) {
+        { route: String ->
+            navController.backQueue.removeLast()
+            navController.navigate(route)
+        }
+    }
+
+    LaunchedEffect(eventId) {
+        withContext(Dispatchers.IO) {
+            val newNoteBase = LocalCache.checkGetOrCreateNote(eventId)
+            if (newNoteBase != noteBase) {
+                noteBase = newNoteBase
+            }
+        }
+    }
+
+    noteBase?.let {
+        LoadRedirectScreen(
+            baseNote = it,
+            nav = nav
+        )
+    }
+}
+
+@Composable
+fun LoadRedirectScreen(baseNote: Note, nav: (String) -> Unit) {
     val noteState by baseNote.live().metadata.observeAsState()
-    val note = noteState?.note
+
+    val scope = rememberCoroutineScope()
 
     LaunchedEffect(key1 = noteState) {
-        val event = note?.event
-        val channelHex = note?.channelHex()
+        scope.launch {
+            val note = noteState?.note
+            val event = note?.event
+            val channelHex = note?.channelHex()
 
-        if (event == null) {
-            // stay here, loading
-        } else if (event is ChannelCreateEvent) {
-            navController.backQueue.removeLast()
-            navController.navigate("Channel/${note.idHex}")
-        } else if (event is PrivateDmEvent) {
-            navController.backQueue.removeLast()
-            navController.navigate("Room/${note.author?.pubkeyHex}")
-        } else if (channelHex != null) {
-            navController.backQueue.removeLast()
-            navController.navigate("Channel/$channelHex")
-        } else {
-            navController.backQueue.removeLast()
-            navController.navigate("Note/${note.idHex}")
+            if (event == null) {
+                // stay here, loading
+            } else if (event is ChannelCreateEvent) {
+                nav("Channel/${note.idHex}")
+            } else if (event is PrivateDmEvent) {
+                nav("Room/${note.author?.pubkeyHex}")
+            } else if (channelHex != null) {
+                nav("Channel/$channelHex")
+            } else {
+                nav("Note/${note.idHex}")
+            }
         }
     }
 
@@ -58,6 +92,6 @@ fun LoadRedirectScreen(eventId: String?, navController: NavController) {
         horizontalAlignment = Alignment.CenterHorizontally,
         verticalArrangement = Arrangement.Center
     ) {
-        Text(stringResource(R.string.looking_for_event, eventId))
+        Text(stringResource(R.string.looking_for_event, baseNote.idHex))
     }
 }

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/MainScreen.kt

@@ -18,13 +18,16 @@ import androidx.compose.material.rememberDrawerState
 import androidx.compose.material.rememberModalBottomSheetState
 import androidx.compose.material.rememberScaffoldState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
 import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.lifecycle.viewmodel.compose.viewModel
-import androidx.navigation.NavHostController
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
 import com.vitorpamplona.amethyst.ui.buttons.ChannelFabColumn
 import com.vitorpamplona.amethyst.ui.buttons.NewNoteButton
@@ -60,7 +63,9 @@ fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: Accoun
         skipHalfExpanded = true
     )
 
-    val nav = remember {
+    val navState = navController.currentBackStackEntryAsState()
+
+    val nav = remember(navController) {
         { route: String ->
             if (getRouteWithArguments(navController) != route) {
                 navController.navigate(route)
@@ -68,6 +73,25 @@ fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: Accoun
         }
     }
 
+    val navBottomRow = remember(navController) {
+        { route: Route, selected: Boolean ->
+            if (!selected) {
+                navController.navigate(route.base) {
+                    popUpTo(Route.Home.route)
+                    launchSingleTop = true
+                    restoreState = true
+                }
+            } else {
+                val newRoute = route.route.replace("{scrollToTop}", "true")
+                navController.navigate(newRoute) {
+                    popUpTo(Route.Home.route)
+                    launchSingleTop = true
+                    restoreState = true
+                }
+            }
+        }
+    }
+
     val followLists: FollowListViewModel = viewModel(
         key = accountViewModel.userProfile().pubkeyHex + "FollowListViewModel",
         factory = FollowListViewModel.Factory(accountViewModel.account)
@@ -125,10 +149,10 @@ fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: Accoun
                 .background(MaterialTheme.colors.primaryVariant)
                 .statusBarsPadding(),
             bottomBar = {
-                AppBottomBar(navController, accountViewModel)
+                AppBottomBar(accountViewModel, navState, navBottomRow)
             },
             topBar = {
-                AppTopBar(followLists, navController, scaffoldState, accountViewModel)
+                AppTopBar(followLists, navState, scaffoldState, accountViewModel)
             },
             drawerContent = {
                 DrawerContent(nav, scaffoldState, sheetState, accountViewModel)
@@ -137,7 +161,7 @@ fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: Accoun
                 }
             },
             floatingActionButton = {
-                FloatingButtons(navController, accountViewModel, accountStateViewModel, nav)
+                FloatingButtons(navState, accountViewModel, accountStateViewModel, nav)
             },
             scaffoldState = scaffoldState
         ) {
@@ -162,7 +186,7 @@ fun MainScreen(accountViewModel: AccountViewModel, accountStateViewModel: Accoun
 
 @Composable
 fun FloatingButtons(
-    navController: NavHostController,
+    navEntryState: State<NavBackStackEntry?>,
     accountViewModel: AccountViewModel,
     accountStateViewModel: AccountStateViewModel,
     nav: (String) -> Unit
@@ -178,16 +202,27 @@ fun FloatingButtons(
                 // Does nothing.
             }
             is AccountState.LoggedIn -> {
-                if (currentRoute(navController)?.substringBefore("?") == Route.Home.base) {
-                    NewNoteButton(accountViewModel, nav)
-                }
-                if (currentRoute(navController) == Route.Message.base) {
-                    ChannelFabColumn(accountViewModel, nav)
-                }
-                if (currentRoute(navController)?.substringBefore("?") == Route.Video.base) {
-                    NewImageButton(accountViewModel, nav)
-                }
+                WritePermissionButtons(navEntryState, accountViewModel, nav)
             }
         }
     }
 }
+
+@Composable
+private fun WritePermissionButtons(
+    navEntryState: State<NavBackStackEntry?>,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
+    val currentRoute by remember(navEntryState.value) {
+        derivedStateOf {
+            navEntryState.value?.destination?.route?.substringBefore("?")
+        }
+    }
+
+    when (currentRoute) {
+        Route.Home.base -> NewNoteButton(accountViewModel, nav)
+        Route.Message.base -> ChannelFabColumn(accountViewModel, nav)
+        Route.Video.base -> NewImageButton(accountViewModel, nav)
+    }
+}

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ProfileScreen.kt

@@ -1,6 +1,5 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn
 
-import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.widget.Toast
@@ -65,7 +64,9 @@ import com.vitorpamplona.amethyst.service.model.IdentityClaim
 import com.vitorpamplona.amethyst.service.model.PayInvoiceErrorResponse
 import com.vitorpamplona.amethyst.service.model.PayInvoiceSuccessResponse
 import com.vitorpamplona.amethyst.service.model.ReportEvent
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.actions.NewUserMetadataView
+import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.DisplayNip05ProfileStatus
 import com.vitorpamplona.amethyst.ui.components.InvoiceRequest
@@ -96,9 +97,7 @@ import com.vitorpamplona.amethyst.ui.screen.RelayFeedView
 import com.vitorpamplona.amethyst.ui.screen.RelayFeedViewModel
 import com.vitorpamplona.amethyst.ui.screen.UserFeedViewModel
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
-import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toImmutableList
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -426,7 +425,6 @@ private fun ProfileHeader(
     var popupExpanded by remember { mutableStateOf(false) }
     var zoomImageDialogOpen by remember { mutableStateOf(false) }
 
-    val coroutineScope = rememberCoroutineScope()
     val clipboardManager = LocalClipboardManager.current
 
     Box {
@@ -505,7 +503,7 @@ private fun ProfileHeader(
                     // No need for this button anymore
                     // NPubCopyButton(baseUser)
 
-                    ProfileActions(baseUser, accountViewModel, coroutineScope)
+                    ProfileActions(baseUser, accountViewModel)
                 }
             }
 
@@ -524,9 +522,10 @@ private fun ProfileHeader(
 @Composable
 private fun ProfileActions(
     baseUser: User,
-    accountViewModel: AccountViewModel,
-    coroutineScope: CoroutineScope
+    accountViewModel: AccountViewModel
 ) {
+    val scope = rememberCoroutineScope()
+
     val accountLocalUserState by accountViewModel.accountLiveData.observeAsState()
     val account = remember(accountLocalUserState) { accountLocalUserState?.account } ?: return
 
@@ -561,16 +560,16 @@ private fun ProfileActions(
             account.showUser(baseUser.pubkeyHex)
         }
     } else if (isLoggedInFollowingUser) {
-        UnfollowButton { coroutineScope.launch(Dispatchers.IO) { account.unfollow(baseUser) } }
+        UnfollowButton { scope.launch(Dispatchers.IO) { account.unfollow(baseUser) } }
     } else {
         if (isUserFollowingLoggedIn) {
             FollowButton(
-                { coroutineScope.launch(Dispatchers.IO) { account.follow(baseUser) } },
+                { scope.launch(Dispatchers.IO) { account.follow(baseUser) } },
                 R.string.follow_back
             )
         } else {
             FollowButton(
-                { coroutineScope.launch(Dispatchers.IO) { account.follow(baseUser) } },
+                { scope.launch(Dispatchers.IO) { account.follow(baseUser) } },
                 R.string.follow
             )
         }
@@ -586,12 +585,10 @@ private fun DrawAdditionalInfo(
 ) {
     val userState by baseUser.live().metadata.observeAsState()
     val user = remember(userState) { userState?.user } ?: return
-    val tags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableList() }
+    val tags = remember(userState) { userState?.user?.info?.latestMetadata?.tags?.toImmutableListOfLists() }
 
     val uri = LocalUriHandler.current
     val clipboardManager = LocalClipboardManager.current
-    val context = LocalContext.current
-    val scope = rememberCoroutineScope()
 
     (user.bestDisplayName() ?: user.bestUsername())?.let {
         Row(verticalAlignment = Alignment.Bottom, modifier = Modifier.padding(top = 7.dp)) {
@@ -693,7 +690,7 @@ private fun DrawAdditionalInfo(
 
     val lud16 = remember(userState) { user.info?.lud16?.trim() ?: user.info?.lud06?.trim() }
     val pubkeyHex = remember { baseUser.pubkeyHex }
-    DisplayLNAddress(lud16, pubkeyHex, accountViewModel.account, scope, context)
+    DisplayLNAddress(lud16, pubkeyHex, accountViewModel.account)
 
     val identities = user.info?.latestMetadata?.identityClaims()
     if (!identities.isNullOrEmpty()) {
@@ -725,7 +722,7 @@ private fun DrawAdditionalInfo(
             TranslatableRichTextViewer(
                 content = it,
                 canPreview = false,
-                tags = remember { persistentListOf() },
+                tags = remember { ImmutableListOfLists(emptyList()) },
                 backgroundColor = MaterialTheme.colors.background,
                 accountViewModel = accountViewModel,
                 nav = nav
@@ -740,10 +737,10 @@ private fun DrawAdditionalInfo(
 private fun DisplayLNAddress(
     lud16: String?,
     userHex: String,
-    account: Account,
-    scope: CoroutineScope,
-    context: Context
+    account: Account
 ) {
+    val context = LocalContext.current
+    val scope = rememberCoroutineScope()
     var zapExpanded by remember { mutableStateOf(false) }
 
     if (!lud16.isNullOrEmpty()) {

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ReportNoteDialog.kt

@@ -42,6 +42,7 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.service.model.ReportEvent
 import com.vitorpamplona.amethyst.ui.theme.WarningColor
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -55,7 +56,7 @@ fun ReportNoteDialog(note: Note, accountViewModel: AccountViewModel, onDismiss:
         Pair(ReportEvent.ReportType.ILLEGAL, stringResource(R.string.report_dialog_illegal))
     )
 
-    val reasonOptions = reportTypes.map { it.second }
+    val reasonOptions = remember { reportTypes.map { it.second }.toImmutableList() }
     var additionalReason by remember { mutableStateOf("") }
     var selectedReason by remember { mutableStateOf(-1) }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/SearchScreen.kt

@@ -11,6 +11,7 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -27,6 +28,8 @@ import androidx.compose.material.icons.filled.Clear
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -45,6 +48,7 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
@@ -54,6 +58,7 @@ import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NostrGlobalDataSource
 import com.vitorpamplona.amethyst.service.NostrSearchEventOrUserDataSource
+import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
 import com.vitorpamplona.amethyst.ui.note.AboutDisplay
 import com.vitorpamplona.amethyst.ui.note.ChannelName
@@ -66,6 +71,8 @@ import com.vitorpamplona.amethyst.ui.screen.RefresheableFeedView
 import com.vitorpamplona.amethyst.ui.screen.ScrollStateKeys
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.distinctUntilChanged
@@ -81,6 +88,23 @@ fun SearchScreen(
     searchFeedViewModel: NostrGlobalFeedViewModel,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
+) {
+    val searchBarViewModel: SearchBarViewModel = viewModel(
+        key = accountViewModel.account.userProfile().pubkeyHex + "SearchBarViewModel",
+        factory = SearchBarViewModel.Factory(
+            accountViewModel.account
+        )
+    )
+
+    SearchScreen(searchFeedViewModel, searchBarViewModel, accountViewModel, nav)
+}
+
+@Composable
+fun SearchScreen(
+    searchFeedViewModel: NostrGlobalFeedViewModel,
+    searchBarViewModel: SearchBarViewModel,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
 ) {
     val lifeCycleOwner = LocalLifecycleOwner.current
 
@@ -112,7 +136,7 @@ fun SearchScreen(
         Column(
             modifier = Modifier.padding(vertical = 0.dp)
         ) {
-            SearchBar(accountViewModel, nav)
+            SearchBar(searchBarViewModel, accountViewModel, nav)
             RefresheableFeedView(searchFeedViewModel, null, accountViewModel, nav, ScrollStateKeys.GLOBAL_SCREEN)
         }
     }
@@ -127,17 +151,21 @@ fun WatchAccountForSearchScreen(searchFeedViewModel: NostrGlobalFeedViewModel, a
     }
 }
 
-class SearchBarViewModel : ViewModel() {
-    var account: Account? = null
-
+@Stable
+class SearchBarViewModel(val account: Account) : ViewModel() {
     var searchValue by mutableStateOf("")
-    val searchResultsUsers = mutableStateOf<List<User>>(emptyList())
-    val searchResultsNotes = mutableStateOf<List<Note>>(emptyList())
-    val searchResultsChannels = mutableStateOf<List<Channel>>(emptyList())
-    val hashtagResults = mutableStateOf<List<String>>(emptyList())
 
-    val isTrailingIconVisible by
-    derivedStateOf {
+    private var _searchResultsUsers = MutableStateFlow<List<User>>(emptyList())
+    private var _searchResultsNotes = MutableStateFlow<List<Note>>(emptyList())
+    private var _searchResultsChannels = MutableStateFlow<List<Channel>>(emptyList())
+    private var _hashtagResults = MutableStateFlow<List<String>>(emptyList())
+
+    val searchResultsUsers = _searchResultsUsers.asStateFlow()
+    val searchResultsNotes = _searchResultsNotes.asStateFlow()
+    val searchResultsChannels = _searchResultsChannels.asStateFlow()
+    val hashtagResults = _hashtagResults.asStateFlow()
+
+    val isSearching by derivedStateOf {
         searchValue.isNotBlank()
     }
 
@@ -145,26 +173,27 @@ class SearchBarViewModel : ViewModel() {
         searchValue = newValue
     }
 
-    private fun runSearch() {
+    private suspend fun runSearch() {
         if (searchValue.isBlank()) {
-            hashtagResults.value = emptyList()
-            searchResultsUsers.value = emptyList()
-            searchResultsChannels.value = emptyList()
-            searchResultsNotes.value = emptyList()
+            _hashtagResults.value = emptyList()
+            _searchResultsUsers.value = emptyList()
+            _searchResultsChannels.value = emptyList()
+            _searchResultsNotes.value = emptyList()
             return
         }
 
-        hashtagResults.value = findHashtags(searchValue)
-        searchResultsUsers.value = LocalCache.findUsersStartingWith(searchValue).sortedWith(compareBy({ account?.isFollowing(it) }, { it.toBestDisplayName() })).reversed()
-        searchResultsNotes.value = LocalCache.findNotesStartingWith(searchValue).sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed()
-        searchResultsChannels.value = LocalCache.findChannelsStartingWith(searchValue)
+        _hashtagResults.emit(findHashtags(searchValue))
+        _searchResultsUsers.emit(LocalCache.findUsersStartingWith(searchValue).sortedWith(compareBy({ account.isFollowing(it) }, { it.toBestDisplayName() })).reversed())
+        _searchResultsNotes.emit(LocalCache.findNotesStartingWith(searchValue).sortedWith(compareBy({ it.createdAt() }, { it.idHex })).reversed())
+        _searchResultsChannels.emit(LocalCache.findChannelsStartingWith(searchValue))
     }
 
-    fun clean() {
+    fun clear() {
         searchValue = ""
-        searchResultsUsers.value = emptyList()
-        searchResultsChannels.value = emptyList()
-        searchResultsNotes.value = emptyList()
+        _searchResultsUsers.value = emptyList()
+        _searchResultsChannels.value = emptyList()
+        _searchResultsNotes.value = emptyList()
+        _searchResultsChannels.value = emptyList()
     }
 
     private val bundler = BundledUpdate(250, Dispatchers.IO)
@@ -177,20 +206,24 @@ class SearchBarViewModel : ViewModel() {
         }
     }
 
-    fun isSearching() = searchValue.isNotBlank()
+    fun isSearchingFun() = searchValue.isNotBlank()
+
+    class Factory(val account: Account) : ViewModelProvider.Factory {
+        override fun <SearchBarViewModel : ViewModel> create(modelClass: Class<SearchBarViewModel>): SearchBarViewModel {
+            return SearchBarViewModel(account) as SearchBarViewModel
+        }
+    }
 }
 
 @OptIn(FlowPreview::class)
 @Composable
-private fun SearchBar(accountViewModel: AccountViewModel, nav: (String) -> Unit) {
-    val searchBarViewModel: SearchBarViewModel = viewModel()
-    searchBarViewModel.account = accountViewModel.account
-
-    val scope = rememberCoroutineScope()
+private fun SearchBar(
+    searchBarViewModel: SearchBarViewModel,
+    accountViewModel: AccountViewModel,
+    nav: (String) -> Unit
+) {
     val listState = rememberLazyListState()
 
-    val onlineSearch = NostrSearchEventOrUserDataSource
-
     // Create a channel for processing search queries.
     val searchTextChanges = remember {
         CoroutineChannel<String>(CoroutineChannel.CONFLATED)
@@ -199,7 +232,9 @@ private fun SearchBar(accountViewModel: AccountViewModel, nav: (String) -> Unit)
     LaunchedEffect(Unit) {
         launch(Dispatchers.IO) {
             LocalCache.live.newEventBundles.collect {
-                if (searchBarViewModel.isSearching()) {
+                checkNotInMainThread()
+
+                if (searchBarViewModel.isSearchingFun()) {
                     searchBarViewModel.invalidateData()
                 }
             }
@@ -215,13 +250,13 @@ private fun SearchBar(accountViewModel: AccountViewModel, nav: (String) -> Unit)
                 .debounce(300)
                 .collectLatest {
                     if (it.length >= 2) {
-                        onlineSearch.search(it.trim())
+                        NostrSearchEventOrUserDataSource.search(it.trim())
                     }
 
                     searchBarViewModel.invalidateData()
 
                     // makes sure to show the top of the search
-                    scope.launch(Dispatchers.Main) { listState.animateScrollToItem(0) }
+                    launch(Dispatchers.Main) { listState.animateScrollToItem(0) }
                 }
         }
     }
@@ -233,6 +268,18 @@ private fun SearchBar(accountViewModel: AccountViewModel, nav: (String) -> Unit)
     }
 
     // LAST ROW
+    SearchTextField(searchBarViewModel, searchTextChanges)
+
+    DisplaySearchResults(listState, searchBarViewModel, nav, accountViewModel)
+}
+
+@Composable
+private fun SearchTextField(
+    searchBarViewModel: SearchBarViewModel,
+    searchTextChanges: kotlinx.coroutines.channels.Channel<String>
+) {
+    val scope = rememberCoroutineScope()
+
     Row(
         modifier = Modifier
             .padding(10.dp)
@@ -270,11 +317,11 @@ private fun SearchBar(accountViewModel: AccountViewModel, nav: (String) -> Unit)
                 )
             },
             trailingIcon = {
-                if (searchBarViewModel.isTrailingIconVisible) {
+                if (searchBarViewModel.isSearching) {
                     IconButton(
                         onClick = {
-                            searchBarViewModel.clean()
-                            onlineSearch.clear()
+                            searchBarViewModel.clear()
+                            NostrSearchEventOrUserDataSource.clear()
                         }
                     ) {
                         Icon(
@@ -291,46 +338,77 @@ private fun SearchBar(accountViewModel: AccountViewModel, nav: (String) -> Unit)
             )
         )
     }
+}
 
-    if (searchBarViewModel.isSearching()) {
-        LazyColumn(
-            modifier = Modifier.fillMaxHeight(),
-            contentPadding = PaddingValues(
-                top = 10.dp,
-                bottom = 10.dp
-            ),
-            state = listState
-        ) {
-            itemsIndexed(searchBarViewModel.hashtagResults.value, key = { _, item -> "#" + item }) { _, item ->
-                HashtagLine(item) {
-                    nav("Hashtag/$item")
-                }
-            }
+@Composable
+private fun DisplaySearchResults(
+    listState: LazyListState,
+    searchBarViewModel: SearchBarViewModel,
+    nav: (String) -> Unit,
+    accountViewModel: AccountViewModel
+) {
+    if (!searchBarViewModel.isSearching) {
+        return
+    }
 
-            itemsIndexed(searchBarViewModel.searchResultsUsers.value, key = { _, item -> "u" + item.pubkeyHex }) { _, item ->
-                UserCompose(item, accountViewModel = accountViewModel, nav = nav)
-            }
+    val hashTags by searchBarViewModel.hashtagResults.collectAsState()
+    val users by searchBarViewModel.searchResultsUsers.collectAsState()
+    val channels by searchBarViewModel.searchResultsChannels.collectAsState()
+    val notes by searchBarViewModel.searchResultsNotes.collectAsState()
 
-            itemsIndexed(searchBarViewModel.searchResultsChannels.value, key = { _, item -> "c" + item.idHex }) { _, item ->
-                ChannelName(
-                    channelIdHex = item.idHex,
-                    channelPicture = item.profilePicture(),
-                    channelTitle = {
-                        Text(
-                            "${item.info.name}",
-                            fontWeight = FontWeight.Bold
-                        )
-                    },
-                    channelLastTime = null,
-                    channelLastContent = item.info.about,
-                    false,
-                    onClick = { nav("Channel/${item.idHex}") }
-                )
+    LazyColumn(
+        modifier = Modifier.fillMaxHeight(),
+        contentPadding = PaddingValues(
+            top = 10.dp,
+            bottom = 10.dp
+        ),
+        state = listState
+    ) {
+        itemsIndexed(
+            hashTags,
+            key = { _, item -> "#$item" }
+        ) { _, item ->
+            HashtagLine(item) {
+                nav("Hashtag/$item")
             }
+        }
 
-            itemsIndexed(searchBarViewModel.searchResultsNotes.value, key = { _, item -> "n" + item.idHex }) { _, item ->
-                NoteCompose(item, accountViewModel = accountViewModel, nav = nav)
-            }
+        itemsIndexed(
+            users,
+            key = { _, item -> "u" + item.pubkeyHex }
+        ) { _, item ->
+            UserCompose(item, accountViewModel = accountViewModel, nav = nav)
+        }
+
+        itemsIndexed(
+            channels,
+            key = { _, item -> "c" + item.idHex }
+        ) { _, item ->
+            ChannelName(
+                channelIdHex = item.idHex,
+                channelPicture = item.profilePicture(),
+                channelTitle = {
+                    Text(
+                        "${item.info.name}",
+                        fontWeight = FontWeight.Bold
+                    )
+                },
+                channelLastTime = null,
+                channelLastContent = item.info.about,
+                false,
+                onClick = { nav("Channel/${item.idHex}") }
+            )
+        }
+
+        itemsIndexed(
+            notes,
+            key = { _, item -> "n" + item.idHex }
+        ) { _, item ->
+            NoteCompose(
+                item,
+                accountViewModel = accountViewModel,
+                nav = nav
+            )
         }
     }
 }

app/src/play/java/com/vitorpamplona/amethyst/service/lang/LanguageTranslatorService.kt

@@ -1,6 +1,7 @@
 package com.vitorpamplona.amethyst.service.lang
 
 import android.util.LruCache
+import androidx.compose.runtime.Immutable
 import com.google.android.gms.tasks.Task
 import com.google.android.gms.tasks.Tasks
 import com.google.mlkit.nl.languageid.LanguageIdentification
@@ -13,11 +14,12 @@ import com.linkedin.urls.detection.UrlDetector
 import com.linkedin.urls.detection.UrlDetectorOptions
 import java.util.regex.Pattern
 
-class ResultOrError(
-    var result: String?,
-    var sourceLang: String?,
-    var targetLang: String?,
-    var error: Exception?
+@Immutable
+data class ResultOrError(
+    val result: String?,
+    val sourceLang: String?,
+    val targetLang: String?,
+    val error: Exception?
 )
 
 object LanguageTranslatorService {

app/src/play/java/com/vitorpamplona/amethyst/ui/components/TranslatableRichTextViewer.kt

@@ -33,8 +33,8 @@ import androidx.core.os.ConfigurationCompat
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.service.lang.LanguageTranslatorService
 import com.vitorpamplona.amethyst.service.lang.ResultOrError
+import com.vitorpamplona.amethyst.ui.actions.ImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-import kotlinx.collections.immutable.ImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.util.Locale
@@ -44,38 +44,37 @@ fun TranslatableRichTextViewer(
     content: String,
     canPreview: Boolean,
     modifier: Modifier = Modifier,
-    tags: ImmutableList<List<String>>,
+    tags: ImmutableListOfLists<String>,
     backgroundColor: Color,
     accountViewModel: AccountViewModel,
     nav: (String) -> Unit
 ) {
-    var translatedTextState by remember {
-        mutableStateOf(ResultOrError(content, null, null, null))
-    }
-
-    var showOriginal by remember { mutableStateOf(false) }
-    var langSettingsPopupExpanded by remember { mutableStateOf(false) }
-
-    TranslateAndWatchLanguageChanges(content, accountViewModel) { result, newShowOriginal ->
-        if (translatedTextState.result != result.result ||
-            translatedTextState.sourceLang != result.sourceLang ||
-            translatedTextState.targetLang != result.targetLang
-        ) {
-            translatedTextState = result
-        }
-
-        if (showOriginal != newShowOriginal) {
-            showOriginal = newShowOriginal
-        }
-    }
-
-    val toBeViewed by remember(translatedTextState) {
-        derivedStateOf {
-            if (showOriginal) content else translatedTextState.result ?: content
-        }
-    }
-
     Column {
+        var translatedTextState by remember {
+            mutableStateOf(ResultOrError(content, null, null, null))
+        }
+
+        var showOriginal by remember { mutableStateOf(false) }
+
+        TranslateAndWatchLanguageChanges(content, accountViewModel) { result, newShowOriginal ->
+            if (translatedTextState.result != result.result ||
+                translatedTextState.sourceLang != result.sourceLang ||
+                translatedTextState.targetLang != result.targetLang
+            ) {
+                translatedTextState = result
+            }
+
+            if (showOriginal != newShowOriginal) {
+                showOriginal = newShowOriginal
+            }
+        }
+
+        val toBeViewed by remember(translatedTextState) {
+            derivedStateOf {
+                if (showOriginal) content else translatedTextState.result ?: content
+            }
+        }
+
         ExpandableRichTextViewer(
             toBeViewed,
             canPreview,
@@ -86,69 +85,174 @@ fun TranslatableRichTextViewer(
             nav
         )
 
-        val target = translatedTextState.targetLang
-        val source = translatedTextState.sourceLang
-
-        if (source != null && target != null && source != target) {
-            val scope = rememberCoroutineScope()
-
-            Row(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(top = 5.dp)
+        if (translatedTextState.sourceLang != null &&
+            translatedTextState.targetLang != null &&
+            translatedTextState.sourceLang != translatedTextState.targetLang
+        ) {
+            TranslationMessage(
+                translatedTextState.sourceLang!!,
+                translatedTextState.targetLang!!,
+                accountViewModel
             ) {
-                val clickableTextStyle =
-                    SpanStyle(color = MaterialTheme.colors.primary.copy(alpha = 0.52f))
+                showOriginal = it
+            }
+        }
+    }
+}
 
-                val annotatedTranslationString = buildAnnotatedString {
-                    withStyle(clickableTextStyle) {
-                        pushStringAnnotation("langSettings", true.toString())
-                        append(stringResource(R.string.translations_auto))
-                    }
+@Composable
+private fun TranslationMessage(
+    source: String,
+    target: String,
+    accountViewModel: AccountViewModel,
+    onChangeWhatToShow: (Boolean) -> Unit
+) {
+    var langSettingsPopupExpanded by remember { mutableStateOf(false) }
+    val scope = rememberCoroutineScope()
 
-                    append("-${stringResource(R.string.translations_translated_from)} ")
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(top = 5.dp)
+    ) {
+        val clickableTextStyle =
+            SpanStyle(color = MaterialTheme.colors.primary.copy(alpha = 0.52f))
 
-                    withStyle(clickableTextStyle) {
-                        pushStringAnnotation("showOriginal", true.toString())
-                        append(Locale(source).displayName)
-                    }
+        val annotatedTranslationString = buildAnnotatedString {
+            withStyle(clickableTextStyle) {
+                pushStringAnnotation("langSettings", true.toString())
+                append(stringResource(R.string.translations_auto))
+            }
 
-                    append(" ${stringResource(R.string.translations_to)} ")
+            append("-${stringResource(R.string.translations_translated_from)} ")
 
-                    withStyle(clickableTextStyle) {
-                        pushStringAnnotation("showOriginal", false.toString())
-                        append(Locale(target).displayName)
+            withStyle(clickableTextStyle) {
+                pushStringAnnotation("showOriginal", true.toString())
+                append(Locale(source).displayName)
+            }
+
+            append(" ${stringResource(R.string.translations_to)} ")
+
+            withStyle(clickableTextStyle) {
+                pushStringAnnotation("showOriginal", false.toString())
+                append(Locale(target).displayName)
+            }
+        }
+
+        ClickableText(
+            text = annotatedTranslationString,
+            style = LocalTextStyle.current.copy(
+                color = MaterialTheme.colors.onSurface.copy(
+                    alpha = 0.32f
+                )
+            ),
+            overflow = TextOverflow.Visible,
+            maxLines = 3
+        ) { spanOffset ->
+            annotatedTranslationString.getStringAnnotations(spanOffset, spanOffset)
+                .firstOrNull()
+                ?.also { span ->
+                    if (span.tag == "showOriginal") {
+                        onChangeWhatToShow(span.item.toBoolean())
+                    } else {
+                        langSettingsPopupExpanded = !langSettingsPopupExpanded
                     }
                 }
+        }
 
-                ClickableText(
-                    text = annotatedTranslationString,
-                    style = LocalTextStyle.current.copy(color = MaterialTheme.colors.onSurface.copy(alpha = 0.32f)),
-                    overflow = TextOverflow.Visible,
-                    maxLines = 3
-                ) { spanOffset ->
-                    annotatedTranslationString.getStringAnnotations(spanOffset, spanOffset)
-                        .firstOrNull()
-                        ?.also { span ->
-                            if (span.tag == "showOriginal") {
-                                showOriginal = span.item.toBoolean()
-                            } else {
-                                langSettingsPopupExpanded = !langSettingsPopupExpanded
-                            }
-                        }
+        DropdownMenu(
+            expanded = langSettingsPopupExpanded,
+            onDismissRequest = { langSettingsPopupExpanded = false }
+        ) {
+            DropdownMenuItem(onClick = {
+                scope.launch(Dispatchers.IO) {
+                    accountViewModel.dontTranslateFrom(source)
+                    langSettingsPopupExpanded = false
+                }
+            }) {
+                if (source in accountViewModel.account.dontTranslateFrom) {
+                    Icon(
+                        imageVector = Icons.Default.Check,
+                        contentDescription = null,
+                        modifier = Modifier.size(24.dp)
+                    )
+                } else {
+                    Spacer(modifier = Modifier.size(24.dp))
                 }
 
-                DropdownMenu(
-                    expanded = langSettingsPopupExpanded,
-                    onDismissRequest = { langSettingsPopupExpanded = false }
-                ) {
+                Spacer(modifier = Modifier.size(10.dp))
+
+                Text(
+                    stringResource(
+                        R.string.translations_never_translate_from_lang,
+                        Locale(source).displayName
+                    )
+                )
+            }
+            Divider()
+            DropdownMenuItem(onClick = {
+                scope.launch(Dispatchers.IO) {
+                    accountViewModel.prefer(source, target, source)
+                    langSettingsPopupExpanded = false
+                }
+            }) {
+                if (accountViewModel.account.preferenceBetween(source, target) == source) {
+                    Icon(
+                        imageVector = Icons.Default.Check,
+                        contentDescription = null,
+                        modifier = Modifier.size(24.dp)
+                    )
+                } else {
+                    Spacer(modifier = Modifier.size(24.dp))
+                }
+
+                Spacer(modifier = Modifier.size(10.dp))
+
+                Text(
+                    stringResource(
+                        R.string.translations_show_in_lang_first,
+                        Locale(source).displayName
+                    )
+                )
+            }
+            DropdownMenuItem(onClick = {
+                scope.launch(Dispatchers.IO) {
+                    accountViewModel.prefer(source, target, target)
+                    langSettingsPopupExpanded = false
+                }
+            }) {
+                if (accountViewModel.account.preferenceBetween(source, target) == target) {
+                    Icon(
+                        imageVector = Icons.Default.Check,
+                        contentDescription = null,
+                        modifier = Modifier.size(24.dp)
+                    )
+                } else {
+                    Spacer(modifier = Modifier.size(24.dp))
+                }
+
+                Spacer(modifier = Modifier.size(10.dp))
+
+                Text(
+                    stringResource(
+                        R.string.translations_show_in_lang_first,
+                        Locale(target).displayName
+                    )
+                )
+            }
+            Divider()
+
+            val languageList =
+                ConfigurationCompat.getLocales(Resources.getSystem().configuration)
+            for (i in 0 until languageList.size()) {
+                languageList.get(i)?.let { lang ->
                     DropdownMenuItem(onClick = {
                         scope.launch(Dispatchers.IO) {
-                            accountViewModel.dontTranslateFrom(source)
+                            accountViewModel.translateTo(lang)
                             langSettingsPopupExpanded = false
                         }
                     }) {
-                        if (source in accountViewModel.account.dontTranslateFrom) {
+                        if (lang.language in accountViewModel.account.translateTo) {
                             Icon(
                                 imageVector = Icons.Default.Check,
                                 contentDescription = null,
@@ -160,76 +264,12 @@ fun TranslatableRichTextViewer(
 
                         Spacer(modifier = Modifier.size(10.dp))
 
-                        Text(stringResource(R.string.translations_never_translate_from_lang, Locale(source).displayName))
-                    }
-                    Divider()
-                    DropdownMenuItem(onClick = {
-                        scope.launch(Dispatchers.IO) {
-                            accountViewModel.prefer(source, target, source)
-                            langSettingsPopupExpanded = false
-                        }
-                    }) {
-                        if (accountViewModel.account.preferenceBetween(source, target) == source) {
-                            Icon(
-                                imageVector = Icons.Default.Check,
-                                contentDescription = null,
-                                modifier = Modifier.size(24.dp)
+                        Text(
+                            stringResource(
+                                R.string.translations_always_translate_to_lang,
+                                lang.displayName
                             )
-                        } else {
-                            Spacer(modifier = Modifier.size(24.dp))
-                        }
-
-                        Spacer(modifier = Modifier.size(10.dp))
-
-                        Text(stringResource(R.string.translations_show_in_lang_first, Locale(source).displayName))
-                    }
-                    DropdownMenuItem(onClick = {
-                        scope.launch(Dispatchers.IO) {
-                            accountViewModel.prefer(source, target, target)
-                            langSettingsPopupExpanded = false
-                        }
-                    }) {
-                        if (accountViewModel.account.preferenceBetween(source, target) == target) {
-                            Icon(
-                                imageVector = Icons.Default.Check,
-                                contentDescription = null,
-                                modifier = Modifier.size(24.dp)
-                            )
-                        } else {
-                            Spacer(modifier = Modifier.size(24.dp))
-                        }
-
-                        Spacer(modifier = Modifier.size(10.dp))
-
-                        Text(stringResource(R.string.translations_show_in_lang_first, Locale(target).displayName))
-                    }
-                    Divider()
-
-                    val languageList =
-                        ConfigurationCompat.getLocales(Resources.getSystem().configuration)
-                    for (i in 0 until languageList.size()) {
-                        languageList.get(i)?.let { lang ->
-                            DropdownMenuItem(onClick = {
-                                scope.launch(Dispatchers.IO) {
-                                    accountViewModel.translateTo(lang)
-                                    langSettingsPopupExpanded = false
-                                }
-                            }) {
-                                if (lang.language in accountViewModel.account.translateTo) {
-                                    Icon(
-                                        imageVector = Icons.Default.Check,
-                                        contentDescription = null,
-                                        modifier = Modifier.size(24.dp)
-                                    )
-                                } else {
-                                    Spacer(modifier = Modifier.size(24.dp))
-                                }
-
-                                Spacer(modifier = Modifier.size(10.dp))
-
-                                Text(stringResource(R.string.translations_always_translate_to_lang, lang.displayName))
-                            }
-                        }
+                        )
                     }
                 }
             }

build.gradle

@@ -26,4 +26,25 @@ task installGitHook(type: Copy) {
     into { new File(rootProject.rootDir, '.git/hooks') }
     fileMode 0777
 }
-tasks.getByPath(':app:preBuild').dependsOn installGitHook
+tasks.getByPath(':app:preBuild').dependsOn installGitHook
+
+subprojects {
+    tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).configureEach {
+        kotlinOptions {
+            if (project.findProperty("composeCompilerReports") == "true") {
+                freeCompilerArgs += [
+                        "-P",
+                        "plugin:androidx.compose.compiler.plugins.kotlin:reportsDestination=" +
+                                project.buildDir.absolutePath + "/compose_compiler"
+                ]
+            }
+            if (project.findProperty("composeCompilerMetrics") == "true") {
+                freeCompilerArgs += [
+                        "-P",
+                        "plugin:androidx.compose.compiler.plugins.kotlin:metricsDestination=" +
+                                project.buildDir.absolutePath + "/compose_compiler"
+                ]
+            }
+        }
+    }
+}

gradle.properties

@@ -6,7 +6,7 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx4096m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects