app/src/main/res/animator/new_trans_animation.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <set xmlns:android="http://schemas.android.com/apk/res/android"
   3     android:ordering="sequentially">
   4     <objectAnimator
   5         android:duration="500"
   6         android:propertyName="alpha"
   7         android:repeatCount="3"
   8         android:repeatMode="reverse"
   9         android:valueFrom="1f"
  10         android:valueTo="0f" />
  11 </set>