1 /*
2  * Copyright (C) 2007 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.view;
18 
19 import android.app.ListActivity;
20 import android.os.Bundle;
21 import android.view.animation.AlphaAnimation;
22 import android.view.animation.Animation;
23 import android.view.animation.AnimationSet;
24 import android.view.animation.LayoutAnimationController;
25 import android.view.animation.TranslateAnimation;
26 import android.widget.ArrayAdapter;
27 import android.widget.ListView;
28 
29 public class LayoutAnimation2 extends ListActivity {
30     @Override
onCreate(Bundle savedInstanceState)31     public void onCreate(Bundle savedInstanceState) {
32         super.onCreate(savedInstanceState);
33 
34         setListAdapter(new ArrayAdapter<String>(this,
35                 android.R.layout.simple_list_item_1, mStrings));
36 
37         AnimationSet set = new AnimationSet(true);
38 
39         Animation animation = new AlphaAnimation(0.0f, 1.0f);
40         animation.setDuration(50);
41         set.addAnimation(animation);
42 
43         animation = new TranslateAnimation(
44             Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f,
45             Animation.RELATIVE_TO_SELF, -1.0f,Animation.RELATIVE_TO_SELF, 0.0f
46         );
47         animation.setDuration(100);
48         set.addAnimation(animation);
49 
50         LayoutAnimationController controller = new LayoutAnimationController(set, 0.5f);
51         ListView listView = getListView();
52         listView.setLayoutAnimation(controller);
53     }
54 
55     private String[] mStrings = {
56         "Bordeaux",
57         "Lyon",
58         "Marseille",
59         "Nancy",
60         "Paris",
61         "Toulouse",
62         "Strasbourg"
63     };
64 }
65