LayoutAnimation2.java 文件源码

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setListAdapter(new ArrayAdapter<String>(this,
            android.R.layout.simple_list_item_1, mStrings));

    AnimationSet set = new AnimationSet(true);

    Animation animation = new AlphaAnimation(0.0f, 1.0f);
    animation.setDuration(50);
    set.addAnimation(animation);

    animation = new TranslateAnimation(
        Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f,
        Animation.RELATIVE_TO_SELF, -1.0f,Animation.RELATIVE_TO_SELF, 0.0f
    );
    animation.setDuration(100);
    set.addAnimation(animation);

    LayoutAnimationController controller = new LayoutAnimationController(set, 0.5f);
    ListView listView = getListView();        
    listView.setLayoutAnimation(controller);
}