Develop
2014.06.30 11:13
[ios] TextField 특정 문자만 사용하도록 하기
Views 2793 Comment 0
Xcode의 TextField 사용할때 특정 문자만 입력 받도록 하기 위해서는 다음과 같이 한다.
예) 숫자와 영문자만 입력 받기
#define LEGAL_TEXT @"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz " - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { NSCharacterSet *cs = [[NSCharacterSet characterSetWithCharactersInString:LEGAL_TEXT] invertedSet]; NSString *filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""]; return [string isEqualToString:filtered]; }
예2) 숫자와 소수점만 입력 받기 (소수점이 입력된 뒤에는 숫자만 입력 받는다)
키패드 타입을 변경
entryField.keyboardType = UIKeyboardTypeNumbersAndPunctuation; #define NUMBERS @"0123456789" #define NUMBERSPERIOD @"0123456789." - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { NSCharacterSet *cs; NSString *filtered; // Check for period if ([entryField.text rangeOfString:@"."].location == NSNotFound) { cs = [[NSCharacterSet characterSetWithCharactersInString:NUMBERSPERIOD] invertedSet]; filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""]; return [string isEqualToString:filtered]; } // Period is in use cs = [[NSCharacterSet characterSetWithCharactersInString:NUMBERS] invertedSet]; filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""]; return [string isEqualToString:filtered]; }
[출처] http://comxp.tistory.com/250
No. | Category | Subject | Author | Date | Views |
---|---|---|---|---|---|
261 | System/OS | How to Setup an Email Server on CentOS 7 | hooni | 2018.04.05 | 3039 |
260 | Develop | [ios] XCode에서 Provisioning Profile 여러개 중복될 때 | hooni | 2014.06.26 | 2953 |
259 | Develop | 알고리즘 성능 분석 기준 | hooni | 2014.06.24 | 2917 |
258 | System/OS | Apache CORS 설정 1 | hooni | 2020.09.04 | 2914 |
257 | Develop | [c#] 툴바 현재 욜심히 만들고 있는거.. 백업용.. ㅋㅋ | hooni | 2013.04.23 | 2852 |
256 | Develop | [js] Javascript로 만든 포트리스 (2010) 5 | hooni | 2017.03.03 | 2829 |
255 | Develop | [js] show/hide 이벤트 감시 (Observing show/hide event) | hooni | 2021.02.03 | 2818 |
» | Develop | [ios] TextField 특정 문자만 사용하도록 하기 | hooni | 2014.06.30 | 2793 |
253 | Develop | [php][laravel] 라라벨 개발환경 세팅하기 (Mac, Window) 2 | hooni | 2017.12.15 | 2786 |
252 | Develop | [php] Laravel 4. twitter bootstrap 적용하기 | hooni | 2018.04.05 | 2705 |
251 | Develop | [php] Laravel Route에서 PC/Mobile 분기 | hooni | 2018.01.24 | 2680 |
250 | Etc | How to completely Uninstall Coda | hooni | 2017.10.24 | 2575 |