| /* |
| * Copyright (C) 2016 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.widget; |
| |
| import static android.perftests.utils.LayoutUtils.gatherViewTree; |
| import static android.perftests.utils.LayoutUtils.requestLayoutForAllNodes; |
| import static android.view.View.MeasureSpec.AT_MOST; |
| import static android.view.View.MeasureSpec.EXACTLY; |
| import static android.view.View.MeasureSpec.UNSPECIFIED; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import android.app.Activity; |
| import android.os.Looper; |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.perftests.utils.StubActivity; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import androidx.test.annotation.UiThreadTest; |
| import androidx.test.filters.LargeTest; |
| import androidx.test.rule.ActivityTestRule; |
| |
| import com.android.perftests.core.R; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| @LargeTest |
| @RunWith(Parameterized.class) |
| public class LayoutPerfTest { |
| @Parameterized.Parameters(name = "{0}") |
| public static Collection measureSpecs() { |
| return Arrays.asList(new Object[][] { |
| { "relative", R.layout.test_relative_layout, R.id.relative_layout_root }, |
| { "linear", R.layout.test_linear_layout, R.id.linear_layout_root }, |
| { "linear_weighted", R.layout.test_linear_layout_weighted, |
| R.id.linear_layout_weighted_root }, |
| }); |
| } |
| |
| private int[] mMeasureSpecs = {EXACTLY, AT_MOST, UNSPECIFIED}; |
| |
| private int mLayoutId; |
| private int mViewId; |
| |
| public LayoutPerfTest(String key, int layoutId, int viewId) { |
| // key is used in the final report automatically. |
| mLayoutId = layoutId; |
| mViewId = viewId; |
| } |
| |
| @Rule |
| public ActivityTestRule<StubActivity> mActivityRule = |
| new ActivityTestRule(StubActivity.class); |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| @Test |
| @UiThreadTest |
| public void testLayoutPerf() throws Throwable { |
| mActivityRule.runOnUiThread(() -> { |
| assertTrue("We should be running on the main thread", |
| Looper.getMainLooper().getThread() == Thread.currentThread()); |
| assertTrue("We should be running on the main thread", |
| Looper.myLooper() == Looper.getMainLooper()); |
| |
| Activity activity = mActivityRule.getActivity(); |
| activity.setContentView(mLayoutId); |
| |
| ViewGroup viewGroup = (ViewGroup) activity.findViewById(mViewId); |
| |
| List<View> allNodes = gatherViewTree(viewGroup); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| |
| int length = mMeasureSpecs.length; |
| while (state.keepRunning()) { |
| for (int i = 0; i < length; i++) { |
| // The overhead of this call is ignorable, like within 1% difference. |
| requestLayoutForAllNodes(allNodes); |
| |
| viewGroup.measure(mMeasureSpecs[i % length], mMeasureSpecs[i % length]); |
| viewGroup.layout(0, 0, viewGroup.getMeasuredWidth(), viewGroup.getMeasuredHeight()); |
| } |
| } |
| }); |
| } |
| } |