JakeWharton

import android.view.View;
import android.view.ViewGroup;

/**
 * A {@link ViewGroup.OnHierarchyChangeListener hierarchy change listener} which recursively
 * monitors an entire tree of views.
 */
public final class HierarchyTreeChangeListener implements ViewGroup.OnHierarchyChangeListener {
  /**
   * Wrap a regular {@link ViewGroup.OnHierarchyChangeListener hierarchy change listener} with one