repositories {
  jcenter() // If not already there
}

dependencies {
  compile 'com.tbruyelle.rxpermissions:rxpermissions:0.9.0@aar'
}

dependencies {
  compile 'com.tbruyelle.rxpermissions2:rxpermissions:0.8.2@aar'
}

RxPermissions.getInstance(this)
  .request(permissions)
  .subscribe(new Action1<Boolean>() {
    @Override
    public void call(Boolean granted) {
    if (granted) { // 在android 6.0之前会默认返回true
      // 已经获取权限
      String jpgPath = getCacheDir() + "test.jpg";
      takePhotoByPath(jpgPath, 2);
    } else {
      // 未获取权限
      Toast.makeText(MainActivity.this, "您没有授权该权限，请在设置中打开授权", Toast.LENGTH_SHORT).show();
    }
    }
  });

RxView.clicks(findViewById(R.id.request_permission))
  .compose(RxPermissions.getInstance(this).ensure(Manifest.permission.CAMERA))
  .subscribe(new Action1<Boolean>() {
    @Override
    public void call(Boolean granted) {

    if (granted) { // 在android 6.0之前会默认返回true
      // 已经获取权限
      String jpgPath = getCacheDir() + "test.jpg";
      takePhotoByPath(jpgPath, 2);
    } else {
      // 未获取权限
      Toast.makeText(MainActivity.this, "您没有授权该权限，请在设置中打开授权", Toast.LENGTH_SHORT).show();
    }
    }
  });

RxPermissions.getInstance(MainActivity.this).request(Manifest.permission.CAMERA, Manifest.permission.RECORD_AUDIO)
  .subscribe(new Action1<Boolean>() {
    @Override
    public void call(Boolean granted) {
    if (granted) { // 在android 6.0之前会默认返回true
      // 已经获取权限
      String jpgPath = getCacheDir() + "test.jpg";
      takePhotoByPath(jpgPath, 2);
    } else {
      // 未获取权限
      Toast.makeText(MainActivity.this, "您没有授权该权限，请在设置中打开授权", Toast.LENGTH_SHORT).show();
    }
    }
  });

RxPermissions.getInstance(MainActivity.this).requestEach(Manifest.permission.CAMERA,
    Manifest.permission.RECORD_AUDIO)
    .subscribe(new Action1<Permission>() {
      @Override
      public void call(Permission permission) {
      if (permission.name.equals(Manifest.permission.CAMERA)) {
        if (permission.granted) {
        String jpgPath = getCacheDir() + "test.jpg";
        takePhotoByPath(jpgPath, 2);
        } else {
        // 未获取权限
        Toast.makeText(MainActivity.this, "您没有授权该权限，请在设置中打开授权", Toast.LENGTH_SHORT).show();
        }

      } else if (permission.name.equals(Manifest.permission.RECORD_AUDIO)) {

      }
      }
    });