如何在键盘出现时滚动表格，以适应输入框的显示

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1. //  
2. - (void)registerForKeyboardNotifications {  
3.   [[NSNotificationCenter defaultCenter] addObserver:self  
4.                                            selector:@selector(keyboardWillShow:)  
5.                                                name:UIKeyboardWillShowNotification  
6.                                              object:nil];  
7.     
8.   [[NSNotificationCenter defaultCenter] addObserver:self  
9.                                            selector:@selector(keyboardWillHide:)  
10.                                                name:UIKeyboardWillHideNotification  
11.                                              object:nil];  
12.   return;  
13. }  
14.   
15. - (void)keyboardWillShow:(NSNotification *) notif {  
16.   NSDictionary *info = [notif userInfo];  
17.   NSValue *value = [info objectForKey:UIKeyboardFrameBeginUserInfoKey];  
18.   CGSize keyboardSize = [value CGRectValue].size;  
19.   [_tableView setContentOffset:CGPointMake(_tableView.contentOffset.x,  
20.                                            _tableView.contentOffset.y + keyboardSize.height + 10)  
21.                       animated:YES];  
22.   return;  
23. }  
24.   
25. - (void)keyboardWillHide:(NSNotification *) notif {  
26.   NSDictionary *info = [notif userInfo];  
27.   NSValue *value = [info objectForKey:UIKeyboardFrameBeginUserInfoKey];  
28.   CGSize keyboardSize = [value CGRectValue].size;  
29.   [_tableView setContentOffset:CGPointMake(_tableView.contentOffset.x,  
30.                                            _tableView.contentOffset.y - keyboardSize.height - 10)  
31.                       animated:YES];  
32.   return;  
33. }  

如何在键盘出现时滚动表格，以适应输入框的显示

原文：http://www.cnblogs.com/fengmin/p/5015854.html