Android – 静音麦克风录制视频时

private void setMicMuted(Boolean statE){
    Au@L_78_1@manager myAu@L_78_1@manager = (Au@L_78_1@manager)mContext.getSystemservice(Context.AUdio_serviCE);

    // get the working mode and keep it
    int workingAu@L_78_1@mode = myAu@L_78_1@manager.getMode();

    myAu@L_78_1@manager.setMode(Au@L_78_1@manager.MODE_IN_COMMUNICATION);

    // change mic state only if needed
    if (myAu@L_78_1@manager.isMicrophoneMute() != statE) {
        myAu@L_78_1@manager.setMicrophoneMute(statE);
    }

    // set BACk the original working mode
    myAu@L_78_1@manager.setMode(workingAu@L_78_1@modE);
}