<set xmlns:android="http://schemas.android.com/apk/res/android">
    <scale
        android:duration="200"


        android:fillAfter="false"
        android:fromXScale="1.0"

        android:fromYScale="0.0"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"

        android:pivotX="50%"
        android:pivotY="250"

        android:toXScale="1.0"
        android:toYScale="1.0" />
</set>