布局动画适用于ViewGroup

//listview的随机特效通过布局动画使用于ViewGroup的子类
public void showlvAnima(){
LayoutAnimationController loc = new LayoutAnimationController(AnimationUtils.loadAnimation(getActivity(), R.anim.listview_anima));
loc.setOrder(LayoutAnimationController.ORDER_RANDOM);
lv.setLayoutAnimation(loc);
lv.startLayoutAnimation();
}

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<alpha
android:fromAlpha="0.5"
android:toAlpha="1.0"
android:duration="500"

/>
<scale
android:fromXScale="0.1"
android:fromYScale="0.1"
android:toXScale="1.0"
android:toYScale="1.0"
android:pivotX="50%"
android:pivotY="50%"
android:duration="500"
/>

</set>