How can I m开发者_StackOverflow社区ake a UITextField required? In other words, if the entry is empty, then refocus them on the required field.
Set a delegate for your field, and implement -textFieldShouldEndEditing: in it.
check length of textfield by [textfieldname.length] > 0. if it is then move else do textfield became first responder.
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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