uitextfield

问题 I have a Textfield which hides the keyboard when I touch somewhere else on the screen (through my TouchesBegan function and resign...blah). But when I touch a Textview the TouchesBegan does not get invoked and the keyboard doesn't hide! Is there any way to invoke TouchesBegan in order to hide the keyboard? 回答1: There is also a easy way to hide the keyboard on touchesBegan: when you are using UITextView to enter the data. Step 1. Be sure that you have extended Textviewdelegate while class

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . This is mainly a delegation question because I'm still learning and don't get it. I don't know how to go about creating the delegate I need. I know similar questions have been asked but the solutions don't help

问题 I have a background image of size 360X44 which I am trying to put as the background of my UITextFields however it is showing an unexpected behaviour. The cursor is getting appeared before the image starts but the texts getting written on the write place. Implementation of my UiTextField UITextField *textFieldRounded = [[UITextField alloc] initWithFrame:CGRectMake(100, 75, 215, 30)]; textFieldRounded.borderStyle = UITextBorderStyleNone; UIImage *fieldBGImage = [[UIImage imageNamed:@"textfield

问题 I have two text fields (one for username & another is for password) and i have one button (for login). Both text fields have clearButtonMode as YES (that is i am providing the small cross x button in the right end of the text field to erase the field with an one click). Initially, the login button is disabled. I want to enable it if & only if both text fields should have atleast one letter. Also it should work while clicking on the cross button. Please suggest me how to do this.... Thanks in

问题 I'm customizing a UITextfield to look like a UISearchbar . I do something like self.back_textfield = [[UITextField alloc]initWithFrame:CGRectMake(5, 7, 310, 30)]; [self.back_textfield setBorderStyle:UITextBorderStyleRoundedRect]; self.back_textfield.layer.cornerRadius = 15.0; But I see this: As you can see the inner shadow doesn't follow the border. 回答1: I guess background on a UITextField is an Image, so it no follow to your corner radius. Creating inner shadow is tricky in iOS. You have 2

问题 I some add textfields programmatically into a TableView when the rows are created. I am trying to subscribe to the TouchUpInside event of these textFields by doing this UITextField *eTextField = [[UITextField alloc] initWithFrame:CGRectMake(110, 12, 145, 25)]; eTextField.delegate = self; [eTextField addTarget:self action:@selector(showPicker) forControlEvents:UIControlEventTouchUpInside]; showPicker is an IBAction with no parameters.It never gets fired. Is there something I else I need to do?

问题 I'm making an app that behaves something like the default Messages.app in iPhone where a user composes a text message in a UITextField and upon tapping the Send button, the value of the UITextField in ComposeViewController will be transferred to the table cell's UILabel in a custom cell in MasterViewController and also to the DetailViewController where another UILabel will get the text value from the UITextField . The DetailViewController is the ViewController loaded when the user taps the

问题 I have two textfields for username and password and a submit button. When the submit button is pressed a check is performed to see if the username and password was typed or not. If not it shows an alert message and the field whose value was not entered becomes the first responder. -(IBAction)loginPressed:(id)sender { if ([username.text length] == 0) { [self showAlert:@"Invalid Username/ Password"]; [username becomeFirstResponder]; return; } if ([password.text length] == 0) { [self showAlert:@

问题 Hi I am trying to display a UIDatePicker instead of a keyboard whenever a UITextField is tapped so that the user can give a start and end time for an event. My code works but not well and not the way I want it to. My first issue is that whenever you tap on one of the UITextField the UIDatePicker only come up the second time the UITextField is tapped. Otherwise it shows the original keyboard. My second issue is that whenever the UIDatePicker is edited it only changes the UITextField whenever

问题 I am new in iOS development. I want to hide the keyboard when tapping outside of a TextField . My TextField is in a cell from an UITableView . I have tried to follow some of those links, however without any success-- Dismiss keyboard on touch anywhere outside UITextField Dismiss keyboard by touching background of UITableView Hide keyboard when scroll UITableView I am trying to find the simplest way possible. Thanks in advance 回答1: This is the simplest way to dismiss keyboard - (void