/*
* Copyright (C) 2017 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 test.windowmanagerstresstest;
import android.app.Activity;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.SystemClock;
import android.util.Log;
import android.util.MergedConfiguration;
import android.view.Display;
import android.view.DisplayCutout;
import android.view.IWindowSession;
import android.view.InsetsState;
import android.view.Surface;
import android.view.SurfaceControl;
import android.view.View;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.view.WindowManagerGlobal;
import android.widget.TextView;
import com.android.internal.view.BaseIWindow;
import java.util.ArrayList;
public class MainActivity extends Activity {
private static final String TAG = "WmSlam";
private TextView mOutput;
private volatile boolean finished;
private final ArrayList<BaseIWindow> mWindows = new ArrayList<>();
private final LayoutParams mLayoutParams = new LayoutParams();
private final Rect mTmpRect = new Rect();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mOutput = (TextView) findViewById(R.id.output);
findViewById(R.id.run).setOnClickListener(view -> {
view.setEnabled(false);
mOutput.setText("");
startBatch();
});
mLayoutParams.token = getActivityToken();
}
void startBatch() {
new Thread(() -> {
finished = false;
addWindows();
startCpuRunnables();
for (int i = 0; i < 5; i++) {
final long time = SystemClock.uptimeMillis();
slamWm();
log("Total: " + (SystemClock.uptimeMillis() - time) + " ms");
}
removeWindows();
finished = true;
}).start();
}
void startCpuRunnables() {
for (int i = 0; i < 10; i++) {
new Thread(mUseCpuRunnable).start();
}
}
private final Runnable mUseCpuRunnable = new Runnable() {
@Override
public void run() {
while (!finished) {
}
}
};
private void log(String text) {
mOutput.post(() -> mOutput.append(text + "\n"));
Log.d(TAG, text);
}
private void slamWm() {
ArrayList<Thread> threads = new ArrayList<>();
for (int i = 0; i < 20; i++) {
for (BaseIWindow window : mWindows) {
Thread t = new Thread(() -> {
try {
WindowManagerGlobal.getWindowSession().relayout(window,
window.mSeq, mLayoutParams, -1, -1, View.VISIBLE, 0, -1, mTmpRect,
mTmpRect, mTmpRect, mTmpRect, mTmpRect, mTmpRect, mTmpRect,
new DisplayCutout.ParcelableWrapper(), new MergedConfiguration(),
new SurfaceControl(), new InsetsState());
} catch (RemoteException e) {
e.printStackTrace();
}
});
threads.add(t);
t.start();
}
}
for (Thread t : threads) {
try {
t.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
void addWindows() {
for (int i = 0; i < 50; i++) {
final WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
layoutParams.token = getActivityToken();
final BaseIWindow window = new BaseIWindow();
final IWindowSession session = WindowManagerGlobal.getWindowSession();
final Rect tmpRect = new Rect();
try {
final int res = session.addToDisplayWithoutInputChannel(window, window.mSeq,
layoutParams, View.VISIBLE, Display.DEFAULT_DISPLAY, tmpRect, tmpRect,
new InsetsState());
} catch (RemoteException e) {
e.printStackTrace();
}
mWindows.add(window);
}
}
void removeWindows() {
for (BaseIWindow window : mWindows) {
try {
WindowManagerGlobal.getWindowSession().remove(window);
} catch (RemoteException e) {
e.printStackTrace();
}
}
}
}