I want to know the current input character the user just inputted.Comparing the old and the new input string seems to work, but it must be the last thing I'd like to try.Any suggestion? I guess there are some methods in iOS SDK that can do this in a better way.
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *) the last parameter string is the current input! –
anna17 secs agoedit
本文探讨了在iOS环境下，用户在UITextField中输入字符时，如何高效地检测并比较旧新输入字符串的方法，旨在提高用户体验并减少开发复杂度。通过分析现有技术限制，提出了优化策略，包括利用Objective-C的文本字段方法，实现更精准、高效的输入检测。
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I want to know the current input character the user just inputted.Comparing the old and the new input string seems to work, but it must be the last thing I'd like to try.Any suggestion? I guess there are some methods in iOS SDK that can do this in a better way.
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- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)the last parameter string is the current input! – anna 17 secs ago edit