ExpandableRecyclerView

This sample has been Deprecated.
Please use ExpandableLayout

How to use:

  <com.example.smoothcardanimation.ExpandableLinearLayout
    android:id="@+id/expandableView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:expandDuration="500">
    //add your after expand design here
    </com.example.smoothcardanimation.ExpandableLinearLayout>