/Swift/On edit input field provide default value if textfield get empty swift

On edit input field provide default value if textfield get empty swift

func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
    guard let textFieldString = textField.text, let range = Range(range, in: textFieldString) else {
        return false
    }
    let newString = textFieldString.replacingCharacters(in: range, with: string)
    if newString.isEmpty {
        textField.text = "0"
        return false
    } else if textField.text == "0" {
        textField.text = string
        return false
    }
    return true
}

Source: stackoverflow.com

Similar codes

0 vote339 views1 answer
How to check if not running in debufgger swift
Swift
1 vote307 views1 answer
Remove checkmark when selecting the cell again swift 5
Swift
0 vote416 views1 answer
Swift how to dereference unsafemutablepointer
Swift
0 vote323 views1 answer
Swift 5 flatMap wtih keypath
Swift
0 vote334 views3 answers
Swift alamofire x-www-form-urlencoded
Swift
0 vote341 views1 answer
Adding label to navigation bar
Swift
1 vote336 views1 answer
How to bold text swiftui
Swift
0 vote363 views1 answer
Tap to delete xcode
Swift
2 votes342 views1 answer
Urlencode string swift
Swift
0 vote315 views1 answer
Add placeholder to code snippets xcode
Swift