NastyCustomView.java

public class NastyCustomView extends View implements InteractiveViewHelper.Callback {

  private final InteractiveViewHelper mInteractiveViewHelper = 
		new InteractiveViewHelper(this, this);
 
  @Override
  protected void onAttachedToWindow() {
    super.onAttachedToWindow();
    mInteractiveViewHelper.onAttachedToWindow();
  }

  @Override
  protected void onDetachedFromWindow() {
    super.onDetachedFromWindow();
    mInteractiveViewHelper.onDetachedFromWindow();
  }

  @Override
  protected void onVisibilityChanged(@NonNull View changedView, int visibility) {
    super.onVisibilityChanged(changedView, visibility);
    mInteractiveViewHelper.onVisibilityChanged(changedView, visibility);
  }

  @Override
  protected void onWindowVisibilityChanged(int visibility) {
    super.onWindowVisibilityChanged(visibility);
    mInteractiveViewHelper.onWindowVisibilityChanged(visibility);
  }

  @Override
  public void onInteractivityChanged(boolean isInteractive) {
    enableNastyThings(isInteractive); // be greener!
  }
}