安卓判斷麥克風權限

public boolean isVoicePermission() {//判斷麥克風權限
    try {
        AudioRecord record = new AudioRecord(MediaRecorder.AudioSource.MIC, 22050, AudioFormat.CHANNEL_CONFIGURATION_MONO,
                AudioFormat.ENCODING_PCM_16BIT, AudioRecord.getMinBufferSize(22050, AudioFormat.CHANNEL_CONFIGURATION_MONO,
                AudioFormat.ENCODING_PCM_16BIT));
        record.startRecording();
        int recordingState = record.getRecordingState();
        if(recordingState == AudioRecord.RECORDSTATE_STOPPED){
            return false;
        }
        record.release();
        return true;
    } catch (Exception e) {
        return false;
    }

}