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2014/10/15 ¤U¤È 10:13:18
iphone Programming Glossary: replacementstringhttp://stackoverflow.com/questions/1246439/uitextfield-for-phone-number the validation formatting function. BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string NSString totalString NSString stringWithFormat @ @ @ textField.text string if it's the phone number textfield..
Drop Shadow on UITextField text http://stackoverflow.com/questions/1274168/drop-shadow-on-uitextfield-text 0.2 0.8 . You can listen to every text change key by key by implementing the textField shouldChangeCharactersInRange replacementString method in the UITextFieldDelegate protocol. Using that you can update the lower text simultaneously. You could also make..
How to detect Keyboard key pressed in iphone? http://stackoverflow.com/questions/16016729/how-to-detect-keyboard-key-pressed-in-iphone presses a key In case of UITextField BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string In Case of UITextView BOOL textView UITextView textView shouldChangeTextInRange NSRange range replacementText..
How can I get a textDidChange (like for a UISearchBar) method for a UITextField? http://stackoverflow.com/questions/1919413/how-can-i-get-a-textdidchange-like-for-a-uisearchbar-method-for-a-uitextfield
Re-Apply currency formatting to a UITextField on a change event http://stackoverflow.com/questions/2388448/re-apply-currency-formatting-to-a-uitextfield-on-a-change-event to 123 456 . Which callback is the correct one to do this in should I use textField shouldChangeCharactersInRange replacementString or a custom target action and how do I use the NSNumberFormatter to parse and re apply formatting to the UITextField's text.. initial '0' will be formatted as currency ... self textField _textField shouldChangeCharactersInRange NSMakeRange 0 0 replacementString @ 0 void viewDidUnload self.textField nil super viewDidUnload This is the code in the UITextFieldDelegate method textField.. nil super viewDidUnload This is the code in the UITextFieldDelegate method textField shouldChangeCharactersInRange replacementString BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string NSString..
Realtime formatting with NSNumberFormatter in a UITextfield http://stackoverflow.com/questions/2412491/realtime-formatting-with-nsnumberformatter-in-a-uitextfield is inserted in an UITextfield. BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string if textField tag amountTag NSString amount string How do I append the already entered numbers in the textfield.. Synthesize it. Then do this... BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string if textField tag amountTag storedValue appendString string NSString newAmount self formatCurrencyValue storedValue..
iPhone: Disable the “double-tap spacebar for .” shortcut? http://stackoverflow.com/questions/2576561/iphone-disable-the-double-tap-spacebar-for-shortcut Put this in your delegate class BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string Check for double space return range.location 0 string length 0 NSCharacterSet whitespaceCharacterSet characterIsMember..
Set the maximum character length of a UITextField http://stackoverflow.com/questions/433337/set-the-maximum-character-length-of-a-uitextfield the following delegate method BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string NSUInteger newLength textField.text length string length range.length return newLength 25 NO YES Before..
Detect backspace in UITextField on a blank textfield [duplicate] http://stackoverflow.com/questions/4351358/detect-backspace-in-uitextfield-on-a-blank-textfield delegate method isn't called. BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string I conquered this by constantly having a space in the field and when I detect a backspace and the field only..
Creating a combo box for the iPhone http://stackoverflow.com/questions/533231/creating-a-combo-box-for-the-iphone plus the data source of the table. Implement the UITextField delegate method textField shouldChangeCharactersInRange replacementString in your controller. This intercepts the changes as they are being typed in your text field. In this method iterate through..
TextField Validation With Regular Expression http://stackoverflow.com/questions/5765654/textfield-validation-with-regular-expression expression for the above requirement. BOOL textField UITextField textFieldshouldChangeCharactersInRange NSRange range replacementString NSString string NSString newString textField.text stringByReplacingCharactersInRange range withString string return newString..
http://stackoverflow.com/questions/7010547/uitextfield-text-change-event like textChanged Java event handler. BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string if textField.tag kTextFieldTagSubtotal textField.tag kTextFieldTagSubtotalDecimal textField.tag kTextFieldTagShipping..
textField:shouldChangeCharactersInRange:replacementString: http://stackoverflow.com/questions/7531834/textfieldshouldchangecharactersinrangereplacementstring 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.. be not exceed to 10. My code is BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string NSUInteger newLength textField.text length string length range.length return newLength 10 NO YES static.. the first return is not executed. BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string NSUInteger newLength textField.text length string length range.length return newLength 10 NO YES unreachable..
allow only alphanumeric characters for a UITextField http://stackoverflow.com/questions/7541803/allow-only-alphanumeric-characters-for-a-uitextfield iphone share improve this question Use the UITextFieldDelegate method textField shouldChangeCharactersInRange replacementString with an NSCharacterSet containing the inverse of the characters you want to allow. For example in init initWithNibName bundle.. invertedSet retain BOOL textField UITextField field shouldChangeCharactersInRange NSRange range replacementString NSString characters return characters rangeOfCharacterFromSet blockedCharacters .location NSNotFound in dealloc blockedCharacters..
UITextField format in xx-xx-xxx http://stackoverflow.com/questions/7709450/uitextfield-format-in-xx-xx-xxx question Try below it will work BOOL textField UITextField textField shouldChangeCharactersInRange NSRange range replacementString NSString string NSNumberFormatter formatter NSNumberFormatter alloc init if string length 0 formatter setGroupingSeparator..
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