ViewPager实现广告自动轮播核心代码（Handler+Thread）

 1 private int currentAdsIndex=0;
 2 private int viewsCount=4;//轮播广告图片数量 3  
 4 handler = new Handler() {
 5                public void handleMessage(Message msg ) {
 6                    
 7                         Toast. makeText(getActivity(), msg.what +"" , Toast.LENGTH_SHORT)
 8                                   .show();
 9                          adViewPager.setCurrentItem( msg. what);
10               };
11           };
12  
13  
14  
15 new Thread(new Runnable() {
16  
17                @Override
18                public void run() {
19                     while ( true) {
20                          try {
21                              Thread. sleep(5000);
22                               currentAdsIndex++;
23                               if( currentAdsIndex > viewsCount-1) {
24                                    currentAdsIndex = 0;
25                              }
26                               handler.sendEmptyMessage( currentAdsIndex);
27                         } catch (InterruptedException e) {
28                               e.printStackTrace();
29                         }
30                    }
31               }
32           }).start();