RemoteMediaClient tracksChooser android

android/build.gradle

@@ -49,4 +49,7 @@ dependencies {
     // Lifecycle
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
+
+    // To open TracksChooserDialogFragment
+    implementation "androidx.activity:activity-ktx:1.3.1"
 }

android/src/main/kotlin/com/gianlucaparadise/flutter_cast_framework/FlutterCastFrameworkPlugin.kt

@@ -3,6 +3,7 @@ package com.gianlucaparadise.flutter_cast_framework
 import android.app.Activity
 import android.content.Context
 import android.util.Log
+import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleObserver
 import androidx.lifecycle.OnLifecycleEvent
@@ -18,6 +19,7 @@ import com.google.android.gms.cast.framework.CastSession
 import com.google.android.gms.cast.framework.SessionManager
 import com.google.android.gms.cast.framework.SessionManagerListener
 import com.google.android.gms.cast.framework.media.RemoteMediaClient
+import com.google.android.gms.cast.framework.media.TracksChooserDialogFragment
 import io.flutter.embedding.engine.plugins.FlutterPlugin
 import io.flutter.embedding.engine.plugins.activity.ActivityAware
 import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
@@ -250,7 +252,7 @@ class FlutterCastFrameworkPlugin : FlutterPlugin, MethodCallHandler, ActivityAwa
 
         override fun getMediaInfo(): PlatformBridgeApis.MediaInfo {
             val remoteMediaClient: RemoteMediaClient = remoteMediaClient
-                    ?:  throw IllegalStateException("Missing cast session")
+                    ?: throw IllegalStateException("Missing cast session")
 
             val hostMediaInfo = remoteMediaClient.mediaInfo ?: return PlatformBridgeApis.MediaInfo()
 
@@ -272,6 +274,22 @@ class FlutterCastFrameworkPlugin : FlutterPlugin, MethodCallHandler, ActivityAwa
             remoteMediaClient.stop()
         }
 
+        override fun showTracksChooserDialog() {
+            if (activity !is FragmentActivity) {
+                Log.e(TAG, "Error: no_fragment_activity, FlutterCastFramework requires activity to be a FragmentActivity.")
+                return
+            }
+
+            val activity = activity as? FragmentActivity
+            if (activity == null) {
+                Log.d(TAG, "showTracksChooserDialog - missing context")
+                return
+            }
+
+            TracksChooserDialogFragment.newInstance()
+                    .show(activity.supportFragmentManager, "FlutterCastFrameworkTracksChooserDialog")
+        }
+
         override fun setMute(muted: Boolean?) {
             if (muted == null) return
             val castSession = mCastSession ?: return

example/android/app/src/main/kotlin/com/gianlucaparadise/flutter_cast_framework_example/MainActivity.kt

@@ -1,6 +1,6 @@
 package com.gianlucaparadise.flutter_cast_framework_example
 
-import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.android.FlutterFragmentActivity
 
-class MainActivity: FlutterActivity() {
+class MainActivity: FlutterFragmentActivity() {
 }