**/helper/SimpleItemTouchHelperCallback.java
Error:(34, 8) error: cannot access ScrollingView
class file for android.support.v4.view.ScrollingView not found
Error:(44, 5) error: method does not override or implement a method from a supertype
Error:(49, 5) error: method does not override or implement a method from a supertype
Error:(54, 5) error: method does not override or implement a method from a supertype
Error:(57, 25) error: cannot access NestedScrollingChild
class file for android.support.v4.view.NestedScrollingChild not found
**/helper/SimpleItemTouchHelperCallback.java Error:(34, 8) error: cannot access ScrollingView class file for android.support.v4.view.ScrollingView not found Error:(44, 5) error: method does not override or implement a method from a supertype Error:(49, 5) error: method does not override or implement a method from a supertype Error:(54, 5) error: method does not override or implement a method from a supertype Error:(57, 25) error: cannot access NestedScrollingChild class file for android.support.v4.view.NestedScrollingChild not found