| /* |
| * 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.ColorFilter; |
| import android.graphics.PixelFormat; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.drawable.Drawable; |
| import android.os.Bundle; |
| import androidx.appcompat.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 OverdrawDrawable extends Drawable { |
| Paint paint = new Paint(); |
| int mColorValue = 0; |
| |
| @SuppressWarnings("unused") |
| public void setColorValue(int colorValue) { |
| mColorValue = colorValue; |
| invalidateSelf(); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| paint.setColor(Color.rgb(mColorValue, 255 - mColorValue, 255)); |
| |
| for (int i = 0; i < 400; i++) { |
| canvas.drawRect(getBounds(), paint); |
| } |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| } |
| |
| @Override |
| public void setColorFilter(ColorFilter colorFilter) { |
| } |
| |
| @Override |
| public int getOpacity() { |
| return PixelFormat.OPAQUE; |
| } |
| } |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| OverdrawDrawable overdraw = new OverdrawDrawable(); |
| getWindow().setBackgroundDrawable(overdraw); |
| |
| setContentView(new View(this)); |
| |
| ObjectAnimator objectAnimator = ObjectAnimator.ofInt(overdraw, "colorValue", 0, 255); |
| objectAnimator.setRepeatMode(ValueAnimator.REVERSE); |
| objectAnimator.setRepeatCount(ValueAnimator.INFINITE); |
| objectAnimator.start(); |
| } |
| } |