version="1.0" encoding="utf-8"?>
<layoutAnimation xmlns:android="http://schemas.android.com/apk/res/android"
  android:delay="0.5"
  android:animation="@anim/anim_item"
  android:animationOrder="normal"
  >

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
  android:duration="200"
  >
<alpha
  android:fromAlpha="0.1"
  android:toAlpha="1"
  />
  <translate
    android:fromXDelta="500"
    android:toXDelta="0"/>
</set>

<ListView
    android:id="@+id/mylistView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layoutAnimation="@anim/anim_layout"
    >
</ListView>

Animation animation= AnimationUtils.loadAnimation(this,R.anim.anim_item);
LayoutAnimationController controller=new LayoutAnimationController(animation);
controller.setDelay(0.5f);
listView.setLayoutAnimation(controller);