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LMTextField

Overview​

The LMTextField is a customizable text field widget that extends UITextField with additional functionality for keyboard management and user interaction. It provides convenient methods for adding a "Done" button to the keyboard accessory view to improve user experience.

File Location:
LMTextField.swift

Functionality​

UI Components​

  • inputAccessoryView: The accessory view displayed above the keyboard
  • text: The text field's text content
  • placeholder: The placeholder text displayed when the text field is empty

Methods​

  • addDoneButtonOnKeyboard(): Adds a "Done" button to the keyboard's accessory view
  • doneButtonAction(): Objective-C method that resigns the text field's first responder status

Customization​

CustomLMTextField.swift
class CustomLMTextField: LMTextField {
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupDefaultAppearance()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        setupDefaultAppearance()
    }
    
    private func setupDefaultAppearance() {
        borderStyle = .roundedRect
        font = .systemFont(ofSize: 16)
        textColor = .label
    }
    
    override func addDoneButtonOnKeyboard() {
        super.addDoneButtonOnKeyboard()
        // Add custom keyboard accessory behavior
    }
    
    override func doneButtonAction() {
        super.doneButtonAction()
        // Add custom done button behavior
    }
}
AppDelegate.swift
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    LMUIComponents.shared.customTextField = CustomLMTextField.self
    // ...
    return true
}