android录视频静音

private void (boolean state){
    AudioManager myAudioManager = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
    
    int workingAudioMode = myAudioManager.getMode();
    myAudioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
    // change mic state only if needed
    if (myAudioManager.isMicrophoneMute() != state) {
        myAudioManager.setMicrophoneMute(state);
    }
    // set back the original working mode
    myAudioManager.setMode(workingAudioMode);
}