Android 音频通道切换HDMI,蓝牙,喇叭
private void speakerSound() {if (soundOutput.equals("speaker")) {return;}soundOutput = "speaker";audoManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);audoManager.setMode(AudioManager.STREAM_MUSIC);audoManager.stopBluetoothSco();audoManager.setBluetoothScoOn(false);audoManager.setSpeakerphoneOn(true);}private void hdmiSound() {if (soundOutput.equals("hdmi")) {return;}soundOutput = "hdmi";
mContext.getSystemService(Context.AUDIO_SERVICE);audoManager.setMode(AudioManager.MODE_IN_COMMUNICATION);audoManager.stopBluetoothSco();audoManager.setBluetoothScoOn(true);audoManager.setSpeakerphoneOn(false);}private void bluetoothSound() {if (soundOutput.equals("bluetooth")) {return;}soundOutput = "bluetooth";audoManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);audoManager.setMode(AudioManager.MODE_IN_COMMUNICATION);audoManager.startBluetoothSco();audoManager.setBluetoothScoOn(true);audoManager.setSpeakerphoneOn(false);}
参考：
https://blog.csdn.net/u010983881/article/details/72420790
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