Quick action pattern in Android and simple implemention.

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
	<scale
		android:fromXScale="1.0" android:toXScale="0.3"
		android:fromYScale="1.0" android:toYScale="0.3"
		android:pivotX="50%" android:pivotY="0%"
		android:duration="@android:integer/config_shortAnimTime"
	/>
	<alpha
		android:interpolator="@android:anim/accelerate_interpolator"
		android:fromAlpha="1.0" android:toAlpha="0.0"
		android:duration="@android:integer/config_shortAnimTime"
	/>
</set>