android 如何检测手机上的麦克风被占用的问题！

Question

如题 怎么检测 各位大佬榜个忙 微信上是有检测的 就是当手机上的麦克风被某软件占用的时候 会弹出这句话！

Answer 1

private boolean validateMicAvailability(){
    Boolean available = true;
    AudioRecord recorder =
            new AudioRecord(MediaRecorder.AudioSource.MIC, 44100,
                    AudioFormat.CHANNEL_IN_MONO,
                    AudioFormat.ENCODING_DEFAULT, 44100);
    try{
        if(recorder.getRecordingState() != AudioRecord.RECORDSTATE_STOPPED ){
            available = false;

        }

        recorder.startRecording();
        if(recorder.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING){
            recorder.stop();
            available = false;

        }
        recorder.stop();
    } finally{
        recorder.release();
        recorder = null;
    }

    return available;
}

参考：https://stackoverflow.com/que...

Answer 2

有可能会出现ANR呀！