public interface android.view.ViewTreeObserver$OnPreDrawListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.view.ViewTreeObserver$OnPreDrawListener
  super_class: java.lang.Object
{
  public abstract boolean onPreDraw();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "ViewTreeObserver.java"
NestHost: android.view.ViewTreeObserver
InnerClasses:
  public abstract OnPreDrawListener = android.view.ViewTreeObserver$OnPreDrawListener of android.view.ViewTreeObserver