Develop
2014.06.30 11:13
[ios] TextField 특정 문자만 사용하도록 하기
Views 2675 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 |
---|---|---|---|---|---|
733 | Develop | [js] URL 파싱하기 (jQuery 안쓰고) | hooni | 2017.12.14 | 1306 |
732 | Develop | [php] 한글 문자열 자르기 (utf-8) | hooni | 2015.11.10 | 1317 |
731 | Develop | [android] 간단한 SQLIite 예제 | hooni | 2017.06.14 | 1322 |
730 | Develop | How to Test SMTP AUTH using Telnet | hooni | 2018.04.05 | 1332 |
729 | Develop | [ios] How to set up clang formatter | hooni | 2015.09.17 | 1357 |
728 | Develop | [swift] popToRoot 모달뷰, 네비게이션컨트롤러 한꺼번에 닫기 | hooni | 2021.01.29 | 1379 |
727 | Develop | [ios] Swift 4 String, Date, DateFormatter 예제 | hooni | 2018.10.18 | 1394 |
726 | Develop | What is difference between Get, Post, Put and Delete? | hooni | 2018.02.28 | 1400 |
725 | Develop | [android] 레이아웃 사이즈 변경 (동적; programmatically) | hooni | 2016.11.07 | 1480 |
724 | Develop | [ios] Pod 특정 버전 설치하고 사용하기 | hooni | 2022.05.28 | 1521 |
723 | Develop | [ios] binary를 C코드로 변환 | hooni | 2015.01.03 | 1525 |
722 | Develop | [python] 파라미터 앞에 *, ** 의 의미? (*args, **kwargs) | hooni | 2019.11.22 | 1549 |