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/*
* 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.os.Bundle;
import android.support.annotation.ColorInt;
import android.support.v7.app.AppCompatActivity;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
/**
* Tests invalidation performance by invalidating a large number of easily rendered views,
*/
public class InvalidateActivity extends AppCompatActivity {
public static class ColorView extends View {
@ColorInt
public int mColor;
public ColorView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void setColor(@ColorInt int color) {
mColor = color;
invalidate();
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(mColor);
}
}
ColorView[][] mColorViews;
@SuppressWarnings("unused")
public void setColorValue(int colorValue) {
@ColorInt int a = Color.rgb(colorValue, 255 - colorValue, 255);
@ColorInt int b = Color.rgb(255, colorValue, 255 - colorValue);
for (int y = 0; y < mColorViews.length; y++) {
for (int x = 0; x < mColorViews[y].length; x++) {
mColorViews[y][x].setColor((x + y) % 2 == 0 ? a : b);
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_invalidate);
ViewGroup root = (ViewGroup) findViewById(R.id.invalidate_root);
for (int y = 0; y < root.getChildCount(); y++) {
ViewGroup row = (ViewGroup) root.getChildAt(y);
if (mColorViews == null) {
mColorViews = new ColorView[root.getChildCount()][row.getChildCount()];
}
for (int x = 0; x < row.getChildCount(); x++) {
mColorViews[y][x] = (ColorView) row.getChildAt(x);
}
}
ObjectAnimator animator = ObjectAnimator.ofInt(this, "colorValue", 0, 255);
animator.setRepeatMode(ValueAnimator.REVERSE);
animator.setRepeatCount(ValueAnimator.INFINITE);
animator.start();
}
}
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