<animation-list xmlns:android="http://schemas.android.com/apk/res/android" android:oneshot="false">
    <item android:drawable="@drawable/typing_dot_frame0" android:duration="120" />
    <item android:drawable="@drawable/typing_dot_frame1" android:duration="120" />
    <item android:drawable="@drawable/typing_dot_frame2" android:duration="120" />
    <item android:drawable="@drawable/typing_dot_frame3" android:duration="120" />
    <item android:drawable="@drawable/typing_dot_frame0" android:duration="120" />
</animation-list>