Android animation

java

Animation wobble = AnimationUtils.loadAnimation(this, R.anim.wobble);
//Now we can play the animation like this on our chosen UI object, in this case our button1 object:

button1.startAnimation(wobble);

//https://www.safaribooksonline.com/library/view/learning-java-by/9781784398859/ch05s05.html

xml

<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="100"
    android:fromDegrees="-5"
    android:pivotX="50%"
    android:pivotY="50%"
    android:repeatCount="8"
    android:repeatMode="reverse"
    android:toDegrees="5" />