Android如何根据用户在选择器意向中的操作请求权限
问题描述:
我很难根据他们在选择器意图中选择的内容请求用户权限。目前,我的程序在请求者意图出现之前请求权限。我怎样才能以选择意图后请求权限的方式实现。下面的代码是首先请求摄像头权限或存储权限,然后只允许用户选择他们想从相机或图库拍照。Android如何根据用户在选择器意向中的操作请求权限
Dexter.checkPermissions(new MultiplePermissionsListener() {
Intent chooserIntent = null;
List<Intent> intentList = new ArrayList<>();
Intent pickIntent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
Intent takePhotoIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
@Override
public void onPermissionsChecked(MultiplePermissionsReport report) {
List<PermissionGrantedResponse> list_GrantedPermission;
list_GrantedPermission = report.getGrantedPermissionResponses();
//check permission granted
if (report.areAllPermissionsGranted()){
intentList = addIntentsToList(mContext, intentList, takePhotoIntent);
intentList = addIntentsToList(mContext, intentList, pickIntent);
}
else if (list_GrantedPermission.size() > 0){
String grantedpermissionName = list_GrantedPermission.get(0).getPermissionName();
if (grantedpermissionName.equals(android.Manifest.permission.CAMERA))
intentList = addIntentsToList(mContext, intentList, takePhotoIntent);
else
intentList = addIntentsToList(mContext, intentList, pickIntent);
}
else {
}
//request a source
if (intentList.size() > 0) {
chooserIntent = Intent.createChooser(intentList.remove(intentList.size() - 1),
getString(R.string.message_select_source));
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentList.toArray(new Parcelable[]{}));
startActivityForResult(chooserIntent, REQUEST_CODE_PICTURE);
}
if (report.isAnyPermissionPermanentlyDenied()){
final AlertDialog.Builder alertBuilder = new AlertDialog.Builder(mContext);
alertBuilder.setTitle(getString(R.string.message_permission_required));
alertBuilder.setCancelable(true);
alertBuilder.setMessage(getString(R.string.message_permission_required));
alertBuilder.setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.dismiss();
}
});
AlertDialog dialog = alertBuilder.create();
dialog.show();
}
}
@Override
public void onPermissionRationaleShouldBeShown(List<PermissionRequest> permissions, PermissionToken token) {
token.continuePermissionRequest();
}
}, android.Manifest.permission.CAMERA, android.Manifest.permission.READ_EXTERNAL_STORAGE);
}
});
您不需要相机或存储权限即可使用这些意图。 – ianhanniballake
@jing你有解决这个问题的方法吗? –
@NitinPatel不幸的是,我没有解决方案。你有解决方案吗? – jing