java.lang.RuntimeException: setAudioSource failed.异常解决
出现原因:Android录制声音,异常提示
问题代码:mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);//设置音频源 音频资源获取方式
声音录制必然需要两个权限,声音录制权限和文件写入权限,在Android6.0以后这两个权限都需要动态申请,
解决步骤如下:
一、配置AndroidManifest.xml的权限
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.RECORD_AUDIO"/>
二、动态权限申请
/**
* 权限申请
*/
private void checkPermission() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
String[] permissions = new String[]{Manifest.permission.RECORD_AUDIO,Manifest.permission.WRITE_EXTERNAL_STORAGE};
for (String permission : permissions) {
if (ContextCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, permissions, 200);
return;
}
}
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[]
grantResults) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && requestCode == 200) {
for (int i = 0; i < permissions.length; i++) {
if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
Intent intent = new Intent();
intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
Uri uri = Uri.fromParts("package", getPackageName(), null);
intent.setData(uri);
startActivityForResult(intent, 200);
return;
}
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK && requestCode == 200) {
checkPermission();
}
}
然后在onCreate()方法里面调用checkPermission()即可。
这时就不会报错了。