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/ textField+delegate.swift
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May 5, 2022 03:27
dynamic block enter text in textfield delegate
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| func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { | |
| guard textField == self.exportAmountTextField else { return true } | |
| let oldString: NSString = (textField.text ?? "") as NSString | |
| let resultString = oldString.replacingCharacters(in: range, with: string) | |
| let doubleString = Double(resultString) ?? 0 | |
| if (string.trimmingCharacters(in: CharacterSet.decimalDigits).count == 0 || string == "" || string == ".") == false { |
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| func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool { | |
| if text == "\n" { | |
| let nsString = textView.text as NSString? | |
| let newString = nsString?.replacingCharacters(in: range, | |
| with: "\n• ") | |
| textView.text = newString | |
| textView.sizeToFit() | |
| tableView.beginUpdates() | |
| tableView.endUpdates() |
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