| /* |
| * Copyright (C) 2011 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.view; |
| |
| import android.content.pm.ActivityInfo; |
| import android.os.SystemClock; |
| import android.test.ActivityInstrumentationTestCase2; |
| |
| public class ViewAttachTest extends |
| ActivityInstrumentationTestCase2<ViewAttachTestActivity> { |
| |
| public ViewAttachTest() { |
| super(ViewAttachTestActivity.class); |
| } |
| |
| /** |
| * Make sure that onAttachedToWindow and onDetachedToWindow is called in the |
| * correct order. The ViewAttachTestActivity contains a view that will throw |
| * a RuntimeException if onDetachedToWindow and onAttachedToWindow are |
| * called in the wrong order. |
| * |
| * 1. Initiate the activity 2. Perform a series of orientation changes to |
| * the activity (this will force the View hierarchy to be rebuilt, |
| * generating onAttachedToWindow and onDetachedToWindow) |
| * |
| * Expected result: No RuntimeException is thrown from the TestView in |
| * ViewFlipperTestActivity. |
| * |
| * @throws Throwable |
| */ |
| public void testAttached() throws Throwable { |
| final ViewAttachTestActivity activity = getActivity(); |
| for (int i = 0; i < 20; i++) { |
| activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); |
| SystemClock.sleep(250); |
| activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); |
| SystemClock.sleep(250); |
| } |
| } |
| } |