1 /*
2  * Copyright (C) 2008 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  */
16 
17 package com.example.android.apis.graphics;
18 
19 import com.example.android.apis.R;
20 
21 import android.content.Context;
22 import android.graphics.Canvas;
23 import android.graphics.Color;
24 import android.graphics.drawable.Drawable;
25 import android.os.Bundle;
26 import android.view.View;
27 import android.view.animation.Animation;
28 import android.view.animation.TranslateAnimation;
29 
30 public class AnimateDrawables extends GraphicsActivity {
31 
32     @Override
onCreate(Bundle savedInstanceState)33     protected void onCreate(Bundle savedInstanceState) {
34         super.onCreate(savedInstanceState);
35         setContentView(new SampleView(this));
36     }
37 
38     private static class SampleView extends View {
39         private AnimateDrawable mDrawable;
40 
SampleView(Context context)41         public SampleView(Context context) {
42             super(context);
43             setFocusable(true);
44             setFocusableInTouchMode(true);
45 
46             Drawable dr = context.getResources().getDrawable(R.drawable.beach);
47             dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight());
48 
49             Animation an = new TranslateAnimation(0, 100, 0, 200);
50             an.setDuration(2000);
51             an.setRepeatCount(-1);
52             an.initialize(10, 10, 10, 10);
53 
54             mDrawable = new AnimateDrawable(dr, an);
55             an.startNow();
56         }
57 
58         @Override
onDraw(Canvas canvas)59         protected void onDraw(Canvas canvas) {
60             canvas.drawColor(Color.WHITE);
61 
62             mDrawable.draw(canvas);
63             invalidate();
64         }
65     }
66 }
67 
68