/* * Copyright (C) 2015 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.ObjectAnimator; import android.animation.ValueAnimator; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; /** * Draws hundreds of levels of overdraw over the content area. * * This should all be optimized out by the renderer. */ public class FullscreenOverdrawActivity extends AppCompatActivity { private class OverdrawView extends View { Paint paint = new Paint(); int mColorValue = 0; public OverdrawView(Context context) { super(context); } @SuppressWarnings("unused") public void setColorValue(int colorValue) { mColorValue = colorValue; invalidate(); } @Override protected void onDraw(Canvas canvas) { paint.setColor(Color.rgb(mColorValue, 255 - mColorValue, 255)); for (int i = 0; i < 400; i++) { canvas.drawRect(0, 0, getWidth(), getHeight(), paint); } } } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); OverdrawView overdrawView = new OverdrawView(this); setContentView(overdrawView); ObjectAnimator objectAnimator = ObjectAnimator.ofInt(overdrawView, "colorValue", 0, 255); objectAnimator.setRepeatMode(ValueAnimator.REVERSE); objectAnimator.setRepeatCount(ValueAnimator.INFINITE); objectAnimator.start(); } }