Merge "Change overdraw test to use windowbackground" into nyc-dev am: 34979a3a

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 android.support.v7.app.AppCompatActivity;

import android.view.View;

 * This should all be optimized out by the renderer.

 */

public class FullscreenOverdrawActivity extends AppCompatActivity {

    private class OverdrawView extends View {

    private class OverdrawDrawable extends Drawable {

        Paint paint = new Paint();

        int mColorValue = 0;

        public OverdrawView(Context context) {

            super(context);

        }

        @SuppressWarnings("unused")

        public void setColorValue(int colorValue) {

            mColorValue = colorValue;

            invalidate();

            invalidateSelf();

        }

        @Override

        protected void onDraw(Canvas canvas) {

        public void draw(Canvas canvas) {

            paint.setColor(Color.rgb(mColorValue, 255 - mColorValue, 255));

            for (int i = 0; i < 400; i++) {

                canvas.drawRect(0, 0, getWidth(), getHeight(), paint);

                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);

        OverdrawView overdrawView = new OverdrawView(this);

        setContentView(overdrawView);

        OverdrawDrawable overdraw = new OverdrawDrawable();

        getWindow().setBackgroundDrawable(overdraw);

        setContentView(new View(this));

        ObjectAnimator objectAnimator = ObjectAnimator.ofInt(overdrawView, "colorValue", 0, 255);

        ObjectAnimator objectAnimator = ObjectAnimator.ofInt(overdraw, "colorValue", 0, 255);

        objectAnimator.setRepeatMode(ValueAnimator.REVERSE);

        objectAnimator.setRepeatCount(ValueAnimator.INFINITE);

        objectAnimator.start();