Merge "Create a new jank test to measure HW layer resize performance"

                <category android:name="com.android.test.uibench.TEST" />

            </intent-filter>

        </activity>

        <activity

            android:name=".ResizeHWLayerActivity"

            android:label="General/Resize HW Layer" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="com.android.test.uibench.TEST" />

            </intent-filter>

        </activity>

        <activity

            android:name=".TrivialAnimationActivity"

            android:label="General/Trivial Animation" >

/*

 * 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 com.android.test.uibench;

import android.animation.PropertyValuesHolder;

import android.animation.ValueAnimator;

import android.graphics.Color;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.util.DisplayMetrics;

import android.view.View;

import android.view.ViewGroup.LayoutParams;

import android.widget.FrameLayout;

/**

 * Tests resizing of a View backed by a hardware layer.

 */

public class ResizeHWLayerActivity extends AppCompatActivity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        DisplayMetrics metrics = getResources().getDisplayMetrics();

        int width = metrics.widthPixels;

        int height = metrics.heightPixels;

        View child = new View(this);

        child.setBackgroundColor(Color.BLUE);

        child.setLayoutParams(new FrameLayout.LayoutParams(width, height));

        child.setLayerType(View.LAYER_TYPE_HARDWARE, null);

        PropertyValuesHolder pvhWidth = PropertyValuesHolder.ofInt("width", width, 1);

        PropertyValuesHolder pvhHeight = PropertyValuesHolder.ofInt("height", height, 1);

        final LayoutParams params = child.getLayoutParams();

        ValueAnimator animator = ValueAnimator.ofPropertyValuesHolder(pvhWidth, pvhHeight);

        animator.setRepeatMode(ValueAnimator.REVERSE);

        animator.setRepeatCount(ValueAnimator.INFINITE);

        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

            @Override

            public void onAnimationUpdate(ValueAnimator valueAnimator) {

                params.width = (Integer)valueAnimator.getAnimatedValue("width");

                params.height = (Integer)valueAnimator.getAnimatedValue("height");

                child.requestLayout();

            }

        });

        animator.start();

        setContentView(child);

    }

}