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May 25, 2018 19:25
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LoginButton enable when both username and password textfields are filled.
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| loginUserNameTextField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged) | |
| loginUserPasswordTextField.addTarget(self, action: #selector(textFieldDidChange(_:)), for: .editingChanged) | |
| @objc func textFieldDidChange(_ textField: UITextField) { | |
| loginButton.enabled = loginUserNameTextField.text.length && loginUserPasswordTextField.text.length | |
| } |
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