| /* |
| * 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.graphics.PixelFormat; |
| import android.os.SystemClock; |
| import android.test.ActivityInstrumentationTestCase2; |
| |
| import androidx.test.annotation.UiThreadTest; |
| import androidx.test.filters.LargeTest; |
| |
| import com.android.frameworks.coretests.R; |
| |
| @LargeTest |
| 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); |
| } |
| } |
| |
| /** |
| * Make sure that on any attached view, if the view is full-screen and hosted |
| * on a round device, the round scrollbars will be displayed even if the activity |
| * window is offset. |
| * |
| * @throws Throwable |
| */ |
| @UiThreadTest |
| public void testRoundScrollbars() throws Throwable { |
| final ViewAttachTestActivity activity = getActivity(); |
| final View rootView = activity.getWindow().getDecorView(); |
| final WindowManager.LayoutParams params = |
| new WindowManager.LayoutParams( |
| rootView.getWidth(), |
| rootView.getHeight(), |
| 50, /* xPosition */ |
| 0, /* yPosition */ |
| WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY, |
| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN, |
| PixelFormat.TRANSLUCENT); |
| |
| rootView.setLayoutParams(params); |
| |
| View contentView = activity.findViewById(R.id.view_attach_view); |
| boolean shouldDrawRoundScrollbars = contentView.shouldDrawRoundScrollbar(); |
| |
| if (activity.getResources().getConfiguration().isScreenRound()) { |
| assertTrue(shouldDrawRoundScrollbars); |
| } else { |
| // Never draw round scrollbars on non-round devices. |
| assertFalse(shouldDrawRoundScrollbars); |
| } |
| } |
| } |