<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <scale
            android:fromXScale="0.0"
            android:fromYScale="0.0"
            android:pivotX="50%"
            android:pivotY="50%"
            android:startOffset="0"
            android:toXScale="1"
            android:toYScale="1"
            android:duration="200"
            />
</set>