Java tutorial
/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.support.tests; import android.app.Activity; import android.content.ContentResolver; import android.content.Intent; import android.os.Bundle; import android.support.v4.provider.DocumentFileTest; /** * Stub activity used to request a permission grant for * {@link DocumentFileTest}. */ public class GrantActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE); startActivityForResult(intent, 12); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == 12 && resultCode == RESULT_OK) { final ContentResolver resolver = getContentResolver(); resolver.takePersistableUriPermission(data.getData(), Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION); } } }