Android开发之动画

 1 rootView.findViewById(R.id.btnAnimation).setOnClickListener(new OnClickListener() {
 2                 
 3     @Override
 4     public void onClick(View v) {
 5     // TODO Auto-generated method stub
 6          AlphaAnimation aa=new AlphaAnimation(0, 1);
 7          aa.setDuration(1000);
 8          v.startAnimation(aa);
 9 
10         }
11  });

1 <?xml version="1.0" encoding="utf-8"?>
2 <alpha xmlns:android="http://schemas.android.com/apk/res/android"
3     android:fromAlpha="0"
4     android:toAlpha="1"
5     android:duration="1000" >
6 </alpha>

1             rootView.findViewById(R.id.btnAnimation).setOnClickListener(new OnClickListener() {
2                 
3                 @Override
4                 public void onClick(View v) {
5                     // TODO Auto-generated method stub
6                     v.setAnimation(AnimationUtils.loadAnimation(getActivity(), R.anim.aa));
7                 }
8             });