hide/show fab with scale animation

Question

I'm using custom floatingactionmenu. I need to implement scale animation on show/hide menu button like here floating action button behaviour

Is there any way to do this ?

Answer 1

You can use these scale animations for fab button, it gives same effect like design lib fab button.

scale_up.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
    <scale
        android:duration="100"
        android:fromXScale="0"
        android:fromYScale="0"
        android:pivotX="85%"
        android:pivotY="85%"
        android:toXScale="1.0"
        android:toYScale="1.0" />
</set>

scale_down.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
    <scale
        android:duration="100"
        android:fromXScale="1.0"
        android:fromYScale="1.0"
        android:pivotX="85%"
        android:pivotY="85%"
        android:toXScale="0"
        android:toYScale="0" />
</set>