Basic Animation on Android

<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <item
        android:drawable="@drawable/im_state_animation_01"
        android:duration="300"/>

    <item
        android:drawable="@drawable/im_state_animation_02"
        android:duration="300"/>

    <item
        android:drawable="@drawable/im_state_animation_03"
        android:duration="300"/>

    <item
        android:drawable="@drawable/im_state_animation_04"
        android:duration="300"/>


</animation-list>