Android listView如何设置item动画

android:layoutAnimation="@anim/item_right_left"

<?xml version="1.0" encoding="utf-8"?>
<layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android"
android:delay="30%"
android:animationOrder="normal"
android:animation="@anim/slide_right_in"/>

<?xml version="1.0" encoding="utf-8"?>
<set
xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:duration="300"
android:fromXDelta="100.0%p"
android:toXDelta="0.0" />
</set>