Animation on Floating Action Button

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Animation on Floating Action Button

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Does anyone know how to do the Floating Action Button animation shown in the video below?

I unpacked the apk of this app and I could see that this animation is not done with resources, but via code (maybe it is possible, but this is not done like this).

android

asked by anonymous 13.01.2015 / 13:24

1 answer

Proxy (corporate) problem using dev_appserver.py - GAE File created without content with PHP

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Here is the answer:

scale_fab_in.xml

<?xml version="1.0" encoding="utf-8"?>
<scale xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="500"
    android:fromXScale="0"
    android:fromYScale="0"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toXScale="1"
    android:toYScale="1"
    android:interpolator="@android:interpolator/overshoot"/>

scale_fab_out.xml

<?xml version="1.0" encoding="utf-8"?>
<scale xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="400"
    android:fromXScale="1"
    android:fromYScale="1"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toXScale="0"
    android:toYScale="0"
    android:interpolator="@android:interpolator/overshoot"/>

From here:

link