UITextField根据Keyboard自动移动

  

   

    

     

    
    

     

      - (void)viewDidLoad
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     

          [super viewDidLoad];
     
    
   

    

     

    
    

     
    // Do any additional setup after loading the view from its nib.
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    // 键盘高度变化通知，ios5.0新增的
     
    
   

    

     

    
    

     

      #ifdef __IPHONE_5_0
     
    
   

    

     

    
    

     
    float version = [[[UIDevice currentDevice] systemVersion] floatValue];
     
    
   

    

     

    
    

     
    if (version >= 5.0) {
     
    
   

    

     

    
    

     

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

    

     

    
    

     

          }
     
    
   

    

     

    
    

     

      #endif
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

      }
     
    
  
 

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      - (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     
    self.bzView.frame = CGRectMake(0, self.view.bounds.size.height-216-44, 320, 44);
     
    
   

    

     

    
    

     
    return YES;
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     

      - (BOOL)textFieldShouldReturn:(UITextField *)textField
     
    
   

    

     

    
    

     

      {
     
    
   

    

     

    
    

     

          [textField resignFirstResponder];
     
    
   

    

     

    
    

     
    self.bzView.frame = CGRectMake(0, self.view.bounds.size.height-44, 320, 44);
     
    
   

    

     

    
    

     
    return YES;
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      #pragma mark -键盘弹出时调用的方法
     
    
   

    

     

    
    

     

      #pragma mark Responding to keyboard events
     
    
   

    

     

    
    

     

      - (void)keyboardWillShow:(NSNotification*)notification {
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    NSDictionary *userInfo = [notification userInfo];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    // Get the origin of the keyboard when it's displayed.
     
    
   

    

     

    
    

     
    NSValue* aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    CGRect keyboardRect = [aValue CGRectValue];
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     
    self.bzView.frame = CGRectMake(0, self.view.bounds.size.height-keyboardRect.size.height-44, 320, 44);
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      -(void)dealloc{
     
    
   

    

     

    
    

     

          [[NSNotificationCenter defaultCenter] removeObserver:self];//在视图控制器消除时，移除键盘事件的通知
     
    
   

    

     

    
    

     
    
     
    
   

    

     

    
    

     

      }
     
    
  
 

  
 
 

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/24025435