uitextfielddelegate

how do I tell which UITextField just triggered the textFieldShouldReturn callback?

I have mulitple UITextFields in a view. I\'m assuming the place to capture the vlue of a UITextField once the user comes out of it is to implement the delegate method \"textFieldShouldReturn\".[详细]

2023-04-11 06:09 分类：问答

textField:shouldChangeCharactersInRange:replacementString:

How can I correct this code. I want only numbers and range should be not exceed to 10. My code is - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementSt[详细]

2023-04-08 12:40 分类：问答

Allow only alphanumeric characters for a UITextField

How would I go about allowing inputting only alphanumeric ch开发者_如何学运维aracters in an iOS UITextField?Use the UITextFieldDelegate method -textField:shouldChangeCharactersInRange:replacementStrin[详细]

2023-04-07 00:45 分类：问答

UITextField Custom InputView - How do I get textFieldShouldReturn to fire?

I have created a custom inputView and have a Done button.Does anyone know how I can wire the done button up to work the same as a return key on the built in keyboard.[详细]

2023-04-06 07:46 分类：问答

UITextFieldDelegate of nested UITextFields not being called

I have a subclass of a UIView (MyView) that has some UITextField as subviews. MyView implements the UITextFieldDelegate protocol in order to be notified when the textfields are clicked. This was worki[详细]

2023-04-03 18:37 分类：问答

Action when the small cross button of UITextField is pressed

I can add a small cross button that is used to clear all the text in a single click in a UITextField with the following code.[详细]

2023-04-02 05:00 分类：问答

Solve Bug in UITextField: When it is empty, Pressing backspace doesn't Trigger correct function

Men, I don\'t believe that this will be a problem to me. If I press a key in keyboard, the UITextField delegate trigger the function:[详细]

2023-03-30 19:58 分类：问答

Why textFieldShouldBeginEditing method cannot be triggered?

I has declared in .h file @interface TextFieldDemoViewController : UIViewController <UITextFieldDelegate>[详细]

2023-03-27 19:02 分类：问答

Why is setDelegate not working for UITextFieldDelegate, but working via Interface Builder

I have the f开发者_运维知识库ollowing code below, and I can\'t figure out why the textFieldShouldReturn method is not being called. When I use IB to create the connection to the delegate, it works, bu[详细]

2023-03-18 22:42 分类：问答

saving text data from UITextField without pressing additional key (help needed)

I am new to iPhone programming. I am working with UITextField and UITextFieldDelegate. I have five textfields. I am trying to input data in them using numberPad keyboard. And the data should be 1 digi[详细]

2023-03-15 17:20 分类：问答