首先，我们在ViewController.h中
为三江侗等地区用户提供了全套网页设计制作服务，及三江侗网站建设行业解决方案。主营业务为网站设计制作、成都做网站、三江侗网站设计，以传统方式定制建设网站，并提供域名空间备案等一条龙服务，秉承以专业、用心的态度为用户提供真诚的服务。我们深信只要达到每一位用户的要求，就会得到认可，从而选择与我们长期合作。这样，我们也可以走得更远！
@interface ViewController :UIViewController
@property (strong,nonatomic)UIScrollView* scrollView;
@property (strong,nonatomic)UITextField* textField;
@end
之后在ViewController.m
@implementation ViewController
- (void)viewDidLoad
{
[superviewDidLoad];
self.scrollView = [[UIScrollViewalloc]initWithFrame:CGRectMake(0,0,320,600)];
[self.viewaddSubview:self.scrollView];
self.textField = [[UITextFieldalloc]initWithFrame:CGRectMake(50,400,100,30)];
self.textField.backgroundColor = [UIColorwhiteColor];
[self.scrollViewaddSubview:self.textField];
[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(textShowBegin:)name:UIKeyboardWillShowNotificationobject:nil];
[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyBoardDidHidden)name:UIKeyboardWillHideNotificationobject:nil];
[self.textFieldaddTarget:selfaction:@selector(textFieldResign)forControlEvents:UIControlEventEditingDidEndOnExit];
}
-(void)keyBoardDidHidden
{
self.scrollView.contentInset =UIEdgeInsetsZero;
}
-(void)textFieldResign
{
[self.textFieldresignFirstResponder];
}
-(void)textFieldDidBeginEditing:(UITextField *)textField
{
self.textField = textField;
}
-(void)textShowBegin:(NSNotification*)aNotification
{
NSDictionary* info = aNotification.userInfo;
NSLog(@"%@",info);
CGSize kbSize = [[infoobjectForKey:UIKeyboardFrameBeginUserInfoKey]CGRectValue].size;
UIEdgeInsets contentInsets = UIEdgeInsetsMake(0, 0, kbSize.height, 0);
self.scrollView.contentInset = contentInsets;
//获取整个视图的大小和位置
CGRect aRect = self.view.frame;
aRect.size.height -= kbSize.height;
if (!CGRectContainsPoint(aRect, self.textField.frame.origin)) {
CGPoint scrollPoint = CGPointMake(0, self.textField.frame.origin.y - kbSize.height);
[self.scrollViewsetContentOffset:scrollPoint animated:YES];
}
}
下载地址 "TextFieldKB1119.zip" http://vdisk.weibo.com/s/Et2R_
