text: //
  //  UIWindow+Extension.h
  //  MJWeiBo
  //
  //  Created by 王梦杰 on 16/1/23.
  //  Copyright (c) 2016年 Mooney_wang. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIWindow (Extension)
  
  - (void)switchRootViewController;
  
  @end
  