android中的动画之变化动画事例1

 1         animation1.setAnimationListener(new AnimationListener() {
 2             //当动画开始时调用
 3             public void onAnimationStart(Animation animation) {
 4                 // TODO Auto-generated method stub
 5                 
 6             }
 7             //当动画重复时调用
 8             public void onAnimationRepeat(Animation animation) {
 9                 // TODO Auto-generated method stub
10                 
11             }
12             //当动画开始时调用
13             public void onAnimationEnd(Animation animation) {
14                 // TODO Auto-generated method stub
15                 imageview.startAnimation(animation2);
16             }
17         });

1 <?xml version="1.0" encoding="utf-8"?>
2 <set xmlns:android="http://schemas.android.com/apk/res/android">
3     <alpha 
4         android:duration="1000"
5         android:fromAlpha="0.1"
6         android:toAlpha="1.0"
7         />
8 </set>

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <set xmlns:android="http://schemas.android.com/apk/res/android" >
 3 
 4     <translate
 5         android:duration="1000"
 6         android:fromXDelta="10"
 7         android:fromYDelta="10"
 8         android:toXDelta="100"
 9         android:toYDelta="100" />
10 
11 </set>

 1  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical"
 6     tools:context="com.example.Tween_Animation.Alpha_MainActivity" >
 7 
 8     <Button
 9         android:id="@+id/button_scale"
10         android:layout_width="fill_parent"
11         android:layout_height="wrap_content"
12         android:text="@string/button_stringScaleAnimation" />
13 
14     <LinearLayout
15         android:gravity="center"
16         android:layout_width="fill_parent"
17         android:layout_height="fill_parent"
18         android:orientation="vertical" >
19 
20         <ImageView
21             android:id="@+id/imageview_scale"
22             android:layout_width="wrap_content"
23             android:layout_height="wrap_content"
24             android:src="@drawable/ic_launcher" />
25     </LinearLayout>
26 
27 </LinearLayout>

 1 package com.example.Demo1;
 2 
 3 
 4 
 5 import com.example.androidanimation.R;
 6 
 7 import android.app.Activity;
 8 import android.os.Bundle;
 9 import android.view.View;
10 import android.view.View.OnClickListener;
11 import android.view.animation.Animation;
12 import android.view.animation.Animation.AnimationListener;
13 import android.view.animation.AnimationUtils;
14 import android.widget.Button;
15 import android.widget.ImageView;
16 /*
17  * 组合动画
18  * 先播放一个动画然后再播放一个动画
19  */
20 public class MainActivity extends Activity implements OnClickListener{
21     private Button button = null;
22     private ImageView imageview = null;
23     
24     protected void onCreate(Bundle savedInstanceState) {
25         super.onCreate(savedInstanceState);
26         setContentView(R.layout.activity_main);
27         button = (Button) findViewById(R.id.button_scale);
28         imageview = (ImageView) findViewById(R.id.imageview_scale);
29         button.setText("组合动画1");
30         button.setOnClickListener(this);
31     }
32     public void onClick(View v) {
33         Animation animation1 = AnimationUtils.loadAnimation(this, R.anim.alpha);
34         imageview.startAnimation(animation1);
35         final Animation animation2 = AnimationUtils.loadAnimation(this, R.anim.translate);
36         animation1.setAnimationListener(new AnimationListener() {
37             //当动画开始时调用
38             public void onAnimationStart(Animation animation) {
39                 // TODO Auto-generated method stub
40                 
41             }
42             //当动画重复时调用
43             public void onAnimationRepeat(Animation animation) {
44                 // TODO Auto-generated method stub
45                 
46             }
47             //当动画开始时调用
48             public void onAnimationEnd(Animation animation) {
49                 // TODO Auto-generated method stub
50                 imageview.startAnimation(animation2);
51             }
52         });
53     }
54 }