重庆分公司,新征程启航
为企业提供网站建设、域名注册、服务器等服务
1. UITextFieldDelegate的代理
10年积累的网站制作、网站建设经验,可以快速应对客户对网站的新想法和需求。提供各种问题对应的解决方案。让选择我们的客户得到更好、更有力的网络服务。我虽然不认识你,你也不认识我。但先网站设计后付款的网站建设流程,更有城子河免费网站建设让你可以放心的选择与我们合作。
开始输入的监听:
// return NO to disallow editing.
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField;
输入结束的监听:
- (void)textFieldDidEndEditing:(UITextField *)textField;
等等。在这些方法中,添加相应的操作。
2.获取UITextField输入内容
[self.accountText addTarget:self action:@selector(input:) forControlEvents:UIControlEventEditingChanged];
- (void) input:(UITextField*)textField {
}
3.监听键盘事件的通知
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillShow:)
name:UIKeyboardWillShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardShow:)
name:UIKeyboardDidShowNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWillHide:)
name:UIKeyboardWillHideNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardHide:)
name:UIKeyboardDidHideNotification
object:nil];
- (void)keyboardWillShow:(NSNotification *)notif {
}
- (void)keyboardShow:(NSNotification *)notif {
}
- (void)keyboardWillHide:(NSNotification *)notif {
}
- (void)keyboardHide:(NSNotification *)notif {
}