Android-ViewPager-OnPageChangeListener

 1 mViewPager.setOnPageChangeListener(new OnPageChangeListerer () {
 2         
 3         @Override
 4         public void onPageSelected(int position) {
 5             mPagerList.get(position).initData();
 6         }
 7 
 8         @Override
 9         public void onPageScrolled(int position, float positionOffset, float positionOffsetPixels){
10             
11         }
12 
13         @Override
14         public void onPageScrolledStateChanged(int state) {
15 
16         }
17 
18 }