MediaSession finishBroadcast()异常

Question

知道这个异常的原因吗？

01-10 15:33:43.111 21717-21717/com.music.ofek.iplay E/AndroidRuntime:致命异常:主进程: com.music.ofek.iplay，PID: 21717 android.os.RemoteCallbackList.finishBroadcast(RemoteCallbackList.java:292)：在android.os.RemoteCallbackList.finishBroadcast(RemoteCallbackList.java:292)广播之外调用的finishBroadcast()在android.support.v4.media.session.MediaSessionCompat$MediaSessionImplApi21.setPlaybackState(MediaSessionCompat.java:3226) at android.support.v4.media.session.MediaSessionCompat.setPlaybackState(MediaSessionCompat.java:608)在com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector.updateMediaSessionPlaybackState(MediaSessionConnector.java:521) at com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector.access$400(MediaSessionConnector.java:69)在com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector$ExoPlayerEventListener.onPlayerStateChanged(MediaSessionConnector.java:652) at com.google.android.exoplayer2.ExoPlayerImpl.handleEvent(ExoPlayerImpl.java:462)在com.google.android.exoplayer2.ExoPlayerImpl$1.handleMessage(ExoPlayerImpl.java:100) at android.os.Handler.dispatchMessage(Handler.java:102)在android.app.ActivityThread.main(ActivityThread.java:5568)的android.os.Looper.loop(Looper.java:148)com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)的.lang.reflect.Method.invoke(原生方法)

Answer 1

调用mediaSession.setActive(true)解决了这个问题