text: //
  //  UIApplication+KeyboardFrame.h
  //  LXFCommonCode
  //
  //  Created by 林洵锋 on 2017/3/5.
  //  Copyright © 2017年 LXF. All rights reserved.
  //
  //  GitHub: https://github.com/LinXunFeng
  //  简书: http://www.jianshu.com/users/31e85e7a22a2
  
  #import <UIKit/UIKit.h>
  
  @interface UIApplication (KeyboardFrame)
  - (CGRect)keyboardFrame;
  @end
  