2 

     2 <set

     3 <set xmlns:android="http://schemas.android.com/apk/res/android">

     3 	xmlns:android="http://schemas.android.com/apk/res/android">

     4     <rotate android:fromDegrees="0" android:toDegrees="360"

     4 	<rotate

     5 	android:pivotX="50%" android:pivotY="50%"

     5 		android:fromDegrees="0"

     6 	android:duration="5000"

     6 		android:toDegrees="360"

     7 	android:repeatMode="restart"

     7 		android:pivotX="50%"

     8 	android:repeatCount="infinite" />

     8 		android:pivotY="50%"

     9 		android:duration="5000"

    10 		android:repeatMode="restart"

    11 		android:repeatCount="infinite" />