package com.luck.picture.lib.camera;
|
|
import android.media.AudioFormat;
|
import android.media.AudioRecord;
|
import android.media.MediaRecorder;
|
|
/**
|
* =====================================
|
* 作 者: 陈嘉桐
|
* 版 本：1.1.4
|
* 创建日期：2017/6/8
|
* 描 述：
|
* =====================================
|
*/
|
public class CheckPermission {
|
public static final int STATE_RECORDING = -1;
|
public static final int STATE_NO_PERMISSION = -2;
|
public static final int STATE_SUCCESS = 1;
|
|
/**
|
* 用于检测是否具有录音权限
|
*
|
* @return
|
*/
|
public static int getRecordState() {
|
int minBuffer = AudioRecord.getMinBufferSize(44100, AudioFormat.CHANNEL_IN_MONO, AudioFormat
|
.ENCODING_PCM_16BIT);
|
AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, 44100, AudioFormat
|
.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, (minBuffer * 100));
|
short[] point = new short[minBuffer];
|
int readSize = 0;
|
try {
|
|
audioRecord.startRecording();//检测是否可以进入初始化状态
|
} catch (Exception e) {
|
if (audioRecord != null) {
|
audioRecord.release();
|
audioRecord = null;
|
}
|
return STATE_NO_PERMISSION;
|
}
|
if (audioRecord.getRecordingState() != AudioRecord.RECORDSTATE_RECORDING) {
|
//6.0以下机型都会返回此状态，故使用时需要判断bulid版本
|
//检测是否在录音中
|
if (audioRecord != null) {
|
audioRecord.stop();
|
audioRecord.release();
|
audioRecord = null;
|
}
|
return STATE_RECORDING;
|
} else {
|
//检测是否可以获取录音结果
|
|
readSize = audioRecord.read(point, 0, point.length);
|
|
|
if (readSize <= 0) {
|
if (audioRecord != null) {
|
audioRecord.stop();
|
audioRecord.release();
|
audioRecord = null;
|
|
}
|
return STATE_NO_PERMISSION;
|
|
} else {
|
if (audioRecord != null) {
|
audioRecord.stop();
|
audioRecord.release();
|
audioRecord = null;
|
|
}
|
|
return STATE_SUCCESS;
|
}
|
}
|
}
|
|
}
|
