code: public void enter(@NonNull View from, boolean withAnimation) {
          if (GestureDebug.isDebugAnimator()) {
              Log.d(TAG, "Entering from view, with animation = " + withAnimation);
          }
  
          enterInternal(withAnimation);
          updateInternal(from);
      }
docs: Starts 'enter' animation from {@code from} view to {@code to}.
  <p>
  Note, if {@code from} view was changed (i.e. during list adapter refresh) you should
  update to new view using {@link #update(View)} method.
  
  @param from 'From' view
  @param withAnimation Whether to animate entering or immediately jump to entered state