在使用MediaPlayer播放音頻時報出 E/MediaPlayerNative: start called in state 1, mPlayer(0x0)

@Overridepublic void onClick(View v){Bundle b = new Bundle ();switch(v.getId ()){case R.id.start: //獲取一個Message變量，用來傳遞點擊狀態的值msg = myHandle.obtainMessage (); //把狀態的值放在Bundle對象里面b.putInt(“status”,1);msg.setData(b);msg.sendToTarget ();break; case R.id.pause: msg = myHandle.obtainMessage (); b.putInt('status',2); msg.setData(b); msg.sendToTarget (); break; case R.id.restart: msg = myHandle.obtainMessage (); b.putInt('status',3); msg.setData(b); msg.sendToTarget (); break; case R.id.stop: msg = myHandle.obtainMessage (); b.putInt('status',4); msg.setData(b); msg.sendToTarget (); break; }}class MyHandle extends Handler{ public MyHandle(){ } public MyHandle(Looper looper){ super(looper); } @Override public void handleMessage(Message msg){ Bundle b = msg.getData (); int status = b.getInt('status'); if(status == 1){ mMediaPlayer.start (); }else if (status ==2){ mMediaPlayer.pause(); }else if(status == 3){ mMediaPlayer.seekTo(0); }else if(status == 4){ mMediaPlayer.stop(); mMediaPlayer.release (); mMediaPlayer = null; VideoActivity.this.finish (); }

總結

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