text: //
  //  AppDelegate.h
  //  day21-ui-lottery03
  //
  //  Created by apple on 15/10/19.
  //  Copyright (c) 2015年 itheima. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  
  @interface AppDelegate : UIResponder <UIApplicationDelegate>
  
  @property (strong, nonatomic) UIWindow *window;
  
  +(UIViewController *)rootVC:(BOOL)lock;
  
  @end
  
  