如何将音频从Android设备重定向到蓝牙speeker

问题描述：

我正在尝试将我在我的应用中播放的所有音频重定向到蓝牙扬声器。起初我配对的蓝牙设备，然后我尝试“说”的audioManager，我在剧中扮演的所有音频应送蓝牙speeker：如何将音频从Android设备重定向到蓝牙speeker

private final BluetoothAdapter _bluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); 

public void pairBluetoothDevice(BluetoothDevice bluetoothDevice) 
{ 
    BluetoothSocket socket= bluetoothDevice.createInsecureRfcommSocketToServiceRecord(UUID.fromString("0000111E-0000-1000-8000-00805F9B34FB")); 
    socket.connect(); 

    _bluetoothAdapter.getProfileProxy(_appContext, _profileListener, BluetoothProfile.HEADSET); 
} 

private BluetoothProfile.ServiceListener _profileListener = new BluetoothProfile.ServiceListener() 
{ 
    public void onServiceConnected(int profile, BluetoothProfile proxy) 
    { 
    if (profile == BluetoothProfile.HEADSET) 
    { 
     _bluetoothHeadset = (BluetoothHeadset) proxy; 
     _bluetoothHeadset.startVoiceRecognition(_device); 

     AudioManager audioManager = (AudioManager) _appContext.getSystemService(Context.AUDIO_SERVICE); 
     audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION); 
     audioManager.startBluetoothSco(); 
     audioManager.setBluetoothScoOn(true); 
     audioManager.setSpeakerphoneOn(false); 
    } 
    } 

    public void onServiceDisconnected(int profile) 
    { 
    if (profile == BluetoothProfile.HEADSET) 
    { 
     AudioManager audioManager= (AudioManager) _appContext.getSystemService(Context.AUDIO_SERVICE); 
     audioManager.setBluetoothScoOn(false); 
     audioManager.stopBluetoothSco(); 
     audioManager.setMode(AudioManager.MODE_NORMAL); 
     audioManager.setSpeakerphoneOn(true); 

     _bluetoothHeadset.stopVoiceRecognition(_device); 
     _bluetoothHeadset= null; 
    } 
    } 
};

当我播放音频...

_soundPool.play(_soundPoolMap.get(index), streamVolume, streamVolume, 1, 0, speed);

...我什么也没听到。

感谢您的任何提示:-)

答

我发现了以下解决方法：我打开默认的蓝牙设置，我可以配对蓝牙扬声器和比音频将自动发送到扬声器。

startActivity(new Intent(Settings.ACTION_BLUETOOTH_SETTINGS));

如何将音频从Android设备重定向到蓝牙speeker

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