IOS——UITextField自动适应键盘弹出

  

   

    

     

    
    

     
    //键盘变化监听
     
    
   

    

     

    
    

     

          [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardChange:) name:@"UIKeyboardWillChangeFrameNotification" object:nil];
     
    
  
 

  

   

    

     

    
    

     

      - (void)keyboardChange:(NSNotification *)aNotification
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    NSValue *value = [[aNotification userInfo] objectForKey:@"UIKeyboardFrameEndUserInfoKey"];
     
    
   

    

     

    
    

     
    float keyEnd_y = [value CGRectValue].origin.y;
     
    
   

    

     

    
    

     
    float animationDuration = [[aNotification userInfo][@"UIKeyboardAnimationDurationUserInfoKey"] floatValue];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    CGRect frame = [[UIScreen mainScreen]bounds];//屏幕尺寸
     
    
   

    

     

    
    

     
    CGRect viewFrame = self.view.frame;
     
    
   

    

     

    
    

     

          viewFrame.origin.y = keyEnd_y - frame.size.height;
     
    
   

    

     

    
    

     
    self.view.frame = viewFrame;
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

          [UIView animateWithDuration:animationDuration animations:^{
     
    
   

    

     

    
    

     

          }];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

      }
     
    
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/49452011