<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/ship_animation"
    android:oneshot="false">
    <item
        android:drawable="@drawable/ship1"
        android:duration="150" />
    <item
        android:drawable="@drawable/ship2"
        android:duration="150" />
    <item
        android:drawable="@drawable/ship3"
        android:duration="150" />
    <item
        android:drawable="@drawable/ship4"
        android:duration="150" />
    <item
        android:drawable="@drawable/ship5"
        android:duration="150" />

</animation-list>