add debug build

app/build.gradle

@@ -25,6 +25,12 @@ android {
         release {
             // minifyEnabled false
             // proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            resValue "string", "app_name", "@string/app_name_release"
+        }
+        debug {
+            applicationIdSuffix '.debug'
+            versionNameSuffix '-DEBUG'
+            resValue "string", "app_name", "@string/app_name_debug"
         }
     }
 

app/src/main/res/values/strings.xml

@@ -1,5 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
-    <string name="app_name">Amber</string>
+    <string name="app_name_release">Amber</string>
+    <string name="app_name_debug">Amber Debug</string>
     <string name="account_backup_tips_md" tools:ignore="Typos">
         ## Key Backup and Safety Tips
         \n\nYour account is secured by a secret key. The key is long random string starting with **nsec1**. Anyone who has access to your secret key can publish content using your identity.