1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.test.uibench;
17
18import android.graphics.Canvas;
19import android.graphics.Color;
20import android.graphics.drawable.ColorDrawable;
21import android.os.Bundle;
22import android.support.v7.app.AppCompatActivity;
23
24public class TrivialAnimationActivity extends AppCompatActivity {
25    @Override
26    protected void onCreate(Bundle savedInstanceState) {
27        super.onCreate(savedInstanceState);
28        getWindow().setBackgroundDrawable(new ColorDrawable() {
29            int colorValue = 0;
30            int colorDelta = 1;
31
32            @Override
33            public void draw(Canvas canvas) {
34                colorValue += colorDelta;
35                if (colorValue == 255 || colorValue == 0) {
36                    colorDelta *= -1;
37                }
38
39                setColor(Color.rgb(255, colorValue, 255 - colorValue));
40                invalidateSelf();
41                super.draw(canvas);
42            }
43        });
44    }
45}
46