Handle stream volume register/unregister errors

Issue: #8106
Issue: #8087
PiperOrigin-RevId: 338664455

RELEASENOTES.md

@@ -18,6 +18,9 @@
         ([#5887](https://github.com/google/ExoPlayer/issues/5887)).
     *   Fix bug where `AnalyticsListener` callbacks can arrive in the wrong
         order ([#8048](https://github.com/google/ExoPlayer/issues/8048)).
+    *   Suppress exceptions from registering/unregistering the stream volume
+        receiver ([#8087](https://github.com/google/ExoPlayer/issues/8087)),
+        ([#8106](https://github.com/google/ExoPlayer/issues/8106)).
 *   Track selection:
     *   Add option to specify multiple preferred audio or text languages.
 *   UI:

library/core/src/main/java/com/google/android/exoplayer2/StreamVolumeManager.java

@@ -21,7 +21,9 @@
 import android.content.IntentFilter;
 import android.media.AudioManager;
 import android.os.Handler;
+import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.util.Assertions;
+import com.google.android.exoplayer2.util.Log;
 import com.google.android.exoplayer2.util.Util;
 
 /** A manager that wraps {@link AudioManager} to control/listen audio stream volume. */
@@ -37,6 +39,8 @@ public interface Listener {
     void onStreamVolumeChanged(int streamVolume, boolean streamMuted);
   }
 
+  private static final String TAG = "StreamVolumeManager";
+
   // TODO(b/151280453): Replace the hidden intent action with an official one.
   // Copied from AudioManager#VOLUME_CHANGED_ACTION
   private static final String VOLUME_CHANGED_ACTION = "android.media.VOLUME_CHANGED_ACTION";
@@ -48,12 +52,11 @@ public interface Listener {
   private final Handler eventHandler;
   private final Listener listener;
   private final AudioManager audioManager;
-  private final VolumeChangeReceiver receiver;
 
+  @Nullable private VolumeChangeReceiver receiver;
   @C.StreamType private int streamType;
   private int volume;
   private boolean muted;
-  private boolean released;
 
   /** Creates a manager. */
   public StreamVolumeManager(Context context, Handler eventHandler, Listener listener) {
@@ -68,9 +71,14 @@ public StreamVolumeManager(Context context, Handler eventHandler, Listener liste
     volume = getVolumeFromManager(audioManager, streamType);
     muted = getMutedFromManager(audioManager, streamType);
 
-    receiver = new VolumeChangeReceiver();
+    VolumeChangeReceiver receiver = new VolumeChangeReceiver();
     IntentFilter filter = new IntentFilter(VOLUME_CHANGED_ACTION);
-    applicationContext.registerReceiver(receiver, filter);
+    try {
+      applicationContext.registerReceiver(receiver, filter);
+      this.receiver = receiver;
+    } catch (RuntimeException e) {
+      Log.w(TAG, "Error registering stream volume receiver", e);
+    }
   }
 
   /** Sets the audio stream type. */
@@ -159,11 +167,14 @@ public void setMuted(boolean muted) {
 
   /** Releases the manager. It must be called when the manager is no longer required. */
   public void release() {
-    if (released) {
-      return;
+    if (receiver != null) {
+      try {
+        applicationContext.unregisterReceiver(receiver);
+      } catch (RuntimeException e) {
+        Log.w(TAG, "Error unregistering stream volume receiver", e);
+      }
+      receiver = null;
     }
-    applicationContext.unregisterReceiver(receiver);
-    released = true;
   }
 
   private void updateVolumeAndNotifyIfChanged() {