/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 vote239 views1 answer
String to double swift
Swift
0 vote146 views1 answer
Ios get notification payload
Swift
3 votes158 views1 answer
Swift hide navigation bar
Swift
0 vote163 views1 answer
Latex tall parentheses
Swift
0 vote173 views1 answer
Xcode combine calayer into an image
Swift
1 vote210 views1 answer
Swift get day from available string
Swift
-1 vote170 views1 answer
Detect textfield change swiftui
Swift
0 vote165 views2 answers
Swift date difference in days
Swift
0 vote158 views1 answer
How to debug before app launch swift
Swift
0 vote164 views1 answer
After redirect from another viewcontroller in swift 5 make full view view controller
Swift