當鍵盤出現時，UIViewController向上移動

Question

我有一個帶有文本框的uiviewcontroller。當點擊底部的文本字段時，該字段被鍵盤覆蓋，當您單擊文本字段時，如何使其「滾動」。或者只是有它這樣的UIViewController可以滾動

Answer 1

嘗試把你的觀點的所有文本框的滾動型裏面，然後讓你的視圖控制器符合UITextFieldDelegate和UINavigationControllerDelegate。

定義您viewController.m以下方法

-(IBAction)textFieldDidBeginEditing:(UITextField *)sender // connect all textfields in your view to this method 
{ 
    sender.delegate = self; 
} 
//called when UIKeyboardDidShowNotification is sent. 
-(void)keyboardWasShown:(NSNotification *)aNotification 
{ 
    NSDictionary * info = [aNotification userInfo]; 
    CGSize kbSize = [[info objectForKey:UIKeyboardFrameBeginUserInfoKey]CGRectValue].size; 
    [self.scrollView setContentOffset:CGPointMake(0, kbSize.height) animated:YES]; 

} 
// Called when the UIKeyboardWillHideNotification is sent,method is called when the keyboard is closed. It returns the scroll view to its original position. 
- (void)keyboardWillBeHidden:(NSNotification*)aNotification 
{ 
    [self.scrollView setContentOffset:CGPointMake(0, 0) animated:YES]; 
} 

//This method is called when you have finished editing a text field. 
- (BOOL)textFieldShouldReturn:(UITextField *)textField { 
    return [textField resignFirstResponder]; 
} 

將這個在viewDidLoad中：

- (void)viewDidLoad 
{ 
    [super viewDidLoad];   
    // Do any additional setup after loading the view. 
    self.scrollView.scrollEnabled = YES; 
    self.automaticallyAdjustsScrollViewInsets = YES; 
} 

這可能做的伎倆... HTH :)