今天在网上发现了一个很漂亮的缓冲界面，在这里分享一下。主要还是用的android Anim。

1. public class Main extends Activity {  
2.     private Animation anm;  
3.     private int marginsTop;  
4.     public List<ImageView> images;  
5.     public LinearLayout ll;  
6.     @Override 
7.     public void onCreate(Bundle savedInstanceState) {  
8.         super.onCreate(savedInstanceState);  
9.  
10.         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);  
11.  
12.         requestWindowFeature(Window.FEATURE_NO_TITLE);  
13.  
14.         DisplayMetrics dm = this.getResources().getDisplayMetrics();  
15.  
16.         int height = dm.heightPixels;  
17.         marginsTop = height - 100;  
18.         anm = AnimationUtils.loadAnimation(this, R.anim.myanim);  
19.         ll = new LinearLayout(this);  
20.         ll.setBackgroundResource(R.drawable.background);  
21.  
22.         images = new ArrayList<ImageView>();  
23.         initImage(ll);  
24.         playAnimation();  
25.         setContentView(ll);  
26.     }  
27.     private void playAnimation(){         
28.             new Thread(){  
29.                 @Override 
30.                 public void run()  
31.                 {  
32.                     try {  
33.                         Thread.sleep(1000);  
34.                     } catch (InterruptedException e) {  
35.                         e.printStackTrace();  
36.                     }  
37.                     int runcount=0;  
38.                     while(true)  
39.                     {  
40.                         if(runcount<2)  
41.                         {  
42.                             for(int i=0;i<=6;i++)  
43.                             {  
44.                                 handler.sendEmptyMessage(i);  
45.                                 try {  
46.                                     Thread.sleep(400);  
47.                                 } catch (InterruptedException e) {  
48.                                     e.printStackTrace();  
49.                                 }  
50.                             }  
51.                             runcount++;  
52.                         }else 
53.                         {  
54.                             handler.sendEmptyMessage(99);  
55.                             runcount=0;  
56.                         }  
57.                           
58.  
59.                     }  
60.  
61.                 }  
62.  
63.             }.start();  
64.         }  
65.           
66.  
67.     Handler handler=new Handler(){  
68.  
69.                 @Override 
70.                 public void handleMessage(Message msg) {                  
71.                     switch(msg.what)  
72.                     {  
73.                     case 0:  
74.                         images.get(0).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.l));  
75.                         images.get(0).startAnimation(anm);  
76.                           
77.                         break;  
78.                     case 1:  
79.                         images.get(1).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.o));  
80.                         images.get(1).startAnimation(anm);  
81.                         break;  
82.                     case 2:  
83.                         images.get(2).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.a));  
84.                         images.get(2).startAnimation(anm);  
85.                         break;  
86.                     case 3:  
87.                         images.get(3).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.d));  
88.                         images.get(3).startAnimation(anm);  
89.                         break;  
90.                     case 4:  
91.                         images.get(4).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.i));  
92.                         images.get(4).startAnimation(anm);  
93.                         break;  
94.                     case 5:  
95.                         images.get(5).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.n));  
96.                         images.get(5).setAnimation(anm);  
97.                         break;  
98.                     case 6:  
99.                         images.get(6).setImageDrawable(Main.this.getResources().getDrawable(R.drawable.g));  
100.                         images.get(6).setAnimation(anm);  
101.                         break;  
102.                     case 99:  
103.                         clearImage();  
104.                         break;  
105.                     }  
106.                 }  
107.             };  
108.     private void clearImage()  
109.     {  
110.         for(ImageView image:images)  
111.         {  
112.             image.setImageDrawable(null);  
113.             image.destroyDrawingCache();  
114.         }  
115.     }  
116.     private void initImage(LinearLayout layout) {  
117.           
118.         layout.setGravity(Gravity.CENTER_HORIZONTAL);  
119.         LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(40, 40);  
120.         param.setMargins(30, marginsTop, 0, 0);  
121.           
122.         LinearLayout.LayoutParams param2 = new LinearLayout.LayoutParams(40, 40);  
123.         param2.setMargins(-5, marginsTop, 0, 0);  
124.  
125.         ImageView l = new ImageView(this);  
126.         l.setLayoutParams(param);  
127.         layout.addView(l);  
128.         images.add(l);  
129.  
130.         ImageView o = new ImageView(this);  
131.         o.setLayoutParams(param2);  
132.         layout.addView(o);  
133.         images.add(o);  
134.           
135.           
136.         ImageView a = new ImageView(this);  
137.         a.setLayoutParams(param2);  
138.         layout.addView(a);  
139.         images.add(a);  
140.           
141.         ImageView d = new ImageView(this);  
142.         d.setLayoutParams(param2);  
143.         layout.addView(d);  
144.         images.add(d);  
145.           
146.         ImageView i = new ImageView(this);  
147.         i.setLayoutParams(param2);  
148.         layout.addView(i);  
149.         images.add(i);  
150.           
151.         ImageView n = new ImageView(this);  
152.         n.setLayoutParams(param2);  
153.         layout.addView(n);  
154.         images.add(n);  
155.           
156.         ImageView g = new ImageView(this);  
157.         g.setLayoutParams(param2);  
158.         layout.addView(g);  
159.         images.add(g);  
160.     }  
161. } 

1. <?xml version="1.0" encoding="utf-8"?>  
2.  
3. <set xmlns:android="http://schemas.android.com/apk/res/android" 
4.     android:shareInterpolator="false">  
5.     <scale android:interpolator="@android:anim/accelerate_interpolator" 
6.         android:fromXScale="0.5"   
7.         android:toXScale="1.2"   
8.         android:fromYScale="0.5" 
9.         android:toYScale="1.2"   
10.         android:pivotX="50%"   
11.         android:pivotY="50%" 
12.         android:fillAfter="false"   
13.         android:startOffset="-50" 
14.         android:duration="100" 
15. />  
16. </set> 

代码地址：http://www.devdiv.com/thread-101608-1-1.html

     本文转自xyz_lmn51CTO博客，原文链接：http://blog.51cto.com/xyzlmn/817279，如需转载请自行联系原作者