jpackage build fixes

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -5,6 +5,7 @@ import com.sparrowwallet.drongo.protocol.Transaction;
 import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.drongo.psbt.PSBTParseException;
 import com.sparrowwallet.sparrow.transaction.TransactionController;
+import com.sparrowwallet.sparrow.transaction.TransactionListener;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
@@ -28,6 +29,16 @@ public class AppController implements Initializable {
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
+
+    }
+
+    void initializeView() {
+        tabs.getSelectionModel().selectedItemProperty().addListener((observable, old_val, new_val) -> {
+            String tabName = new_val.getText();
+            Stage tabStage = (Stage)tabs.getScene().getWindow();
+            tabStage.setTitle("Sparrow - " + tabName);
+        });
+
         addExampleTxTabs();
     }
 

src/main/java/com/sparrowwallet/sparrow/MainApp.java

@@ -4,19 +4,24 @@ import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
+import javafx.scene.image.Image;
 import javafx.stage.Stage;
 
 public class MainApp extends Application {
 
     @Override
     public void start(Stage stage) throws Exception {
-        Parent root = FXMLLoader.load(getClass().getResource("app.fxml"));
+        FXMLLoader transactionLoader = new FXMLLoader(getClass().getResource("app.fxml"));
+        Parent root = transactionLoader.load();
+        AppController appController = transactionLoader.getController();
+        appController.initializeView();
 
         Scene scene = new Scene(root);
         scene.getStylesheets().add(getClass().getResource("app.css").toExternalForm());
 
         stage.setTitle("Sparrow");
         stage.setScene(scene);
+        stage.getIcons().add(new Image(MainApp.class.getResourceAsStream("/sparrow.png")));
         stage.show();
     }