fix audio issue

video_player_android/android/src/main/java/io/flutter/plugins/videoplayer/VideoPlayer.java

@@ -25,6 +25,10 @@ import androidx.media3.exoplayer.trackselection.DefaultTrackSelector;
 import io.flutter.view.TextureRegistry.SurfaceProducer;
 import java.util.ArrayList;
 import java.util.List;
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.AudioFocusRequest;
+import android.os.Build;
 
 /**
  * A class responsible for managing video playback using {@link ExoPlayer}.
@@ -37,6 +41,11 @@ public abstract class VideoPlayer implements VideoPlayerInstanceApi {
   @Nullable private DisposeHandler disposeHandler;
   @Nullable private ExoPlayerEventListener exoPlayerEventListener;
   @NonNull protected ExoPlayer exoPlayer;
+  @NonNull protected VideoPlayerOptions options;
+  @NonNull protected Context applicationContext;
+  @Nullable private AudioManager audioManager;
+  @Nullable private AudioFocusRequest audioFocusRequest;
+  @Nullable private AudioManager.OnAudioFocusChangeListener focusChangeListener;
   // TODO: Migrate to stable API, see https://github.com/flutter/flutter/issues/147039.
   @UnstableApi @Nullable protected DefaultTrackSelector trackSelector;
 
@@ -67,13 +76,16 @@ public abstract class VideoPlayer implements VideoPlayerInstanceApi {
   // https://github.com/flutter/packages/pull/10193
   @SuppressWarnings("this-escape")
   public VideoPlayer(
+      @NonNull Context context,
       @NonNull VideoPlayerCallbacks events,
       @NonNull MediaItem mediaItem,
       @NonNull VideoPlayerOptions options,
       @Nullable SurfaceProducer surfaceProducer,
       @NonNull ExoPlayerProvider exoPlayerProvider) {
+    this.applicationContext = context;
     this.videoPlayerEvents = events;
     this.surfaceProducer = surfaceProducer;
+    this.options = options;
     exoPlayer = exoPlayerProvider.get();
 
     // Try to get the track selector from the ExoPlayer if it was built with one
@@ -85,7 +97,11 @@ public abstract class VideoPlayer implements VideoPlayerInstanceApi {
     exoPlayer.prepare();
     exoPlayerEventListener = createExoPlayerEventListener(exoPlayer, surfaceProducer);
     exoPlayer.addListener(exoPlayerEventListener);
-    setAudioAttributes(exoPlayer, options.mixWithOthers);
+    
+    // Disable ExoPlayer's automatic audio focus management so we can handle it manually.
+    exoPlayer.setAudioAttributes(
+        new AudioAttributes.Builder().setContentType(C.AUDIO_CONTENT_TYPE_MOVIE).build(),
+        false);
   }
 
   public void setDisposeHandler(@Nullable DisposeHandler handler) {
@@ -96,12 +112,6 @@ public abstract class VideoPlayer implements VideoPlayerInstanceApi {
   protected abstract ExoPlayerEventListener createExoPlayerEventListener(
       @NonNull ExoPlayer exoPlayer, @Nullable SurfaceProducer surfaceProducer);
 
-  private static void setAudioAttributes(ExoPlayer exoPlayer, boolean isMixMode) {
-    exoPlayer.setAudioAttributes(
-        new AudioAttributes.Builder().setContentType(C.AUDIO_CONTENT_TYPE_MOVIE).build(),
-        !isMixMode);
-  }
-
   /**
    * Helper method to extract a long value from a Format field, returning null if the value is
    * Format.NO_VALUE.
@@ -124,13 +134,62 @@ public abstract class VideoPlayer implements VideoPlayerInstanceApi {
     return value != Format.NO_VALUE ? value : null;
   }
 
+  private void setupAudioFocus() {
+    if (audioManager == null) {
+      audioManager = (AudioManager) applicationContext.getSystemService(Context.AUDIO_SERVICE);
+    }
+    if (focusChangeListener == null) {
+      focusChangeListener = focusChange -> {
+        if (focusChange == AudioManager.AUDIOFOCUS_LOSS || focusChange == AudioManager.AUDIOFOCUS_LOSS_TRANSIENT) {
+          pause();
+        }
+      };
+    }
+  }
+
+  private void requestAudioFocus() {
+    if (options.mixWithOthers || audioManager == null) {
+      return;
+    }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+      if (audioFocusRequest == null) {
+        audioFocusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT)
+            .setAudioAttributes(new android.media.AudioAttributes.Builder()
+                .setUsage(android.media.AudioAttributes.USAGE_MEDIA)
+                .setContentType(android.media.AudioAttributes.CONTENT_TYPE_MOVIE)
+                .build())
+            .setOnAudioFocusChangeListener(focusChangeListener)
+            .build();
+      }
+      audioManager.requestAudioFocus(audioFocusRequest);
+    } else {
+      audioManager.requestAudioFocus(focusChangeListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
+    }
+  }
+
+  private void abandonAudioFocus() {
+    if (options.mixWithOthers || audioManager == null) {
+      return;
+    }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+      if (audioFocusRequest != null) {
+        audioManager.abandonAudioFocusRequest(audioFocusRequest);
+      }
+    } else {
+      audioManager.abandonAudioFocus(focusChangeListener);
+    }
+  }
+
   @Override
   public void play() {
+    setupAudioFocus();
+    requestAudioFocus();
     exoPlayer.play();
   }
 
   @Override
   public void pause() {
+    abandonAudioFocus();
     exoPlayer.pause();
   }
 
@@ -459,6 +518,7 @@ public abstract class VideoPlayer implements VideoPlayerInstanceApi {
       exoPlayerEventListener.dispose();
       exoPlayerEventListener = null;
     }
+    abandonAudioFocus();
     exoPlayer.release();
   }
 }

video_player_android/android/src/main/java/io/flutter/plugins/videoplayer/platformview/PlatformViewVideoPlayer.java

@@ -28,11 +28,12 @@ public class PlatformViewVideoPlayer extends VideoPlayer {
   @UnstableApi
   @VisibleForTesting
   public PlatformViewVideoPlayer(
+      @NonNull Context context,
       @NonNull VideoPlayerCallbacks events,
       @NonNull MediaItem mediaItem,
       @NonNull VideoPlayerOptions options,
       @NonNull ExoPlayerProvider exoPlayerProvider) {
-    super(events, mediaItem, options, /* surfaceProducer */ null, exoPlayerProvider);
+    super(context, events, mediaItem, options, /* surfaceProducer */ null, exoPlayerProvider);
   }
 
   /**
@@ -53,6 +54,7 @@ public class PlatformViewVideoPlayer extends VideoPlayer {
       @NonNull VideoAsset asset,
       @NonNull VideoPlayerOptions options) {
     return new PlatformViewVideoPlayer(
+        context,
         events,
         asset.getMediaItem(),
         options,

video_player_android/android/src/main/java/io/flutter/plugins/videoplayer/texture/TextureVideoPlayer.java

@@ -52,6 +52,7 @@ public final class TextureVideoPlayer extends VideoPlayer implements SurfaceProd
       @NonNull VideoAsset asset,
       @NonNull VideoPlayerOptions options) {
     return new TextureVideoPlayer(
+        context,
         events,
         surfaceProducer,
         asset.getMediaItem(),
@@ -87,12 +88,13 @@ public final class TextureVideoPlayer extends VideoPlayer implements SurfaceProd
   @UnstableApi
   @VisibleForTesting
   public TextureVideoPlayer(
+      @NonNull Context context,
       @NonNull VideoPlayerCallbacks events,
       @NonNull SurfaceProducer surfaceProducer,
       @NonNull MediaItem mediaItem,
       @NonNull VideoPlayerOptions options,
       @NonNull ExoPlayerProvider exoPlayerProvider) {
-    super(events, mediaItem, options, surfaceProducer, exoPlayerProvider);
+    super(context, events, mediaItem, options, surfaceProducer, exoPlayerProvider);
 
     surfaceProducer.setCallback(this);
 

video_player_android/android/src/test/java/io/flutter/plugins/videoplayer/TextureVideoPlayerTest.java

@@ -8,6 +8,7 @@ import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.*;
 
+import android.content.Context;
 import android.view.Surface;
 import androidx.media3.common.AudioAttributes;
 import androidx.media3.common.C;
@@ -65,7 +66,7 @@ public final class TextureVideoPlayerTest {
 
   private TextureVideoPlayer createVideoPlayer(VideoPlayerOptions options) {
     return new TextureVideoPlayer(
-        mockEvents, mockProducer, fakeVideoAsset.getMediaItem(), options, () -> mockExoPlayer);
+        mock(Context.class), mockEvents, mockProducer, fakeVideoAsset.getMediaItem(), options, () -> mockExoPlayer);
   }
 
   @Test

video_player_avfoundation/darwin/video_player_avfoundation/Sources/video_player_avfoundation_objc/FVPAVFactory.m

@@ -128,6 +128,12 @@
               error:(NSError **)outError {
   return [AVAudioSession.sharedInstance setCategory:category withOptions:options error:outError];
 }
+
+- (BOOL)setActive:(BOOL)active
+      withOptions:(AVAudioSessionSetActiveOptions)options
+            error:(NSError **)outError {
+  return [AVAudioSession.sharedInstance setActive:active withOptions:options error:outError];
+}
 @end
 #endif
 

video_player_avfoundation/darwin/video_player_avfoundation/Sources/video_player_avfoundation_objc/FVPVideoPlayer.m

@@ -84,6 +84,7 @@ static NSDictionary<NSString *, NSValue *> *FVPGetPlayerItemObservations(void) {
   self = [super init];
   NSAssert(self, @"super init cannot be nil");
 
+  _avFactory = avFactory;
   _viewProvider = viewProvider;
 
   NSObject<FVPAVAsset> *asset = item.asset;
@@ -191,6 +192,11 @@ static NSDictionary<NSString *, NSValue *> *FVPGetPlayerItemObservations(void) {
   if (_onDisposed) {
     _onDisposed();
   }
+#if TARGET_OS_IOS
+  if (_avFactory != nil) {
+    [[_avFactory sharedAudioSession] setActive:NO withOptions:AVAudioSessionSetActiveOptionNotifyOthersOnDeactivation error:nil];
+  }
+#endif
   [self.eventListener videoPlayerWasDisposed];
 }
 
@@ -218,6 +224,11 @@ static NSDictionary<NSString *, NSValue *> *FVPGetPlayerItemObservations(void) {
     AVPlayerItem *p = [notification object];
     [p seekToTime:kCMTimeZero completionHandler:nil];
   } else {
+#if TARGET_OS_IOS
+    if (_avFactory != nil) {
+      [[_avFactory sharedAudioSession] setActive:NO withOptions:AVAudioSessionSetActiveOptionNotifyOthersOnDeactivation error:nil];
+    }
+#endif
     [self.eventListener videoPlayerDidComplete];
   }
 }
@@ -348,6 +359,11 @@ NS_INLINE CGFloat radiansToDegrees(CGFloat radians) {
     }
   } else {
     [_player pause];
+#if TARGET_OS_IOS
+    if (_avFactory != nil) {
+      [[_avFactory sharedAudioSession] setActive:NO withOptions:AVAudioSessionSetActiveOptionNotifyOthersOnDeactivation error:nil];
+    }
+#endif
   }
 }
 

video_player_avfoundation/darwin/video_player_avfoundation/Sources/video_player_avfoundation_objc/include/video_player_avfoundation_objc/FVPAVFactory.h

@@ -76,6 +76,10 @@ NS_ASSUME_NONNULL_BEGIN
 - (BOOL)setCategory:(AVAudioSessionCategory)category
         withOptions:(AVAudioSessionCategoryOptions)options
               error:(NSError **)outError;
+/// Wraps the AVAudioSession method of the same name.
+- (BOOL)setActive:(BOOL)active
+      withOptions:(AVAudioSessionSetActiveOptions)options
+            error:(NSError **)outError;
 @end
 #endif
 

video_player_avfoundation/darwin/video_player_avfoundation/Sources/video_player_avfoundation_objc/include/video_player_avfoundation_objc/FVPVideoPlayer_Internal.h

@@ -17,6 +17,8 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSObject<FVPPixelBufferSource> *pixelBufferSource;
 /// The view provider, to obtain view information from.
 @property(nonatomic, readonly, nullable) NSObject<FVPViewProvider> *viewProvider;
+/// The AVFactory used to create AVFoundation objects.
+@property(nonatomic, readonly) id<FVPAVFactory> avFactory;
 /// The preferred transform for the video. It can be used to handle the rotation of the video.
 @property(nonatomic) CGAffineTransform preferredTransform;
 /// The target playback speed requested by the plugin client.