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LMFeedPickerView

Overview​

The LMFeedPickerView is a customizable picker view that extends UIPickerView and provides a built-in toolbar with Done and Cancel actions. It is designed for use in forms and selection dialogs within feed UIs, allowing for easy integration of picker-based input with toolbar controls.

File Location:
LMFeedPickerView.swift

Functionality​

UI Components​

  • toolbar: The toolbar displayed above the picker, containing Done and Cancel buttons
  • toolbarDelegate: Delegate for handling Done and Cancel actions

Methods​

  • init(frame:): Initializes the picker view and sets up the toolbar
  • init?(coder:): Initializes the picker view from a storyboard or nib and sets up the toolbar
  • commonInit(): Sets up the toolbar and its buttons
  • doneTapped(): Called when the Done button is tapped, notifies the delegate
  • cancelTapped(): Called when the Cancel button is tapped, notifies the delegate

Protocols​

  • LMFeedPickerViewDelegate: Protocol for handling toolbar actions (didTapDone, didTapCancel)

Customization​

CustomFeedPickerView.swift
class CustomFeedPickerView: LMFeedPickerView {
    override init(frame: CGRect) {
        super.init(frame: frame)
        // Custom setup
    }
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        // Custom setup
    }
    // Add customizations as needed
}
AppDelegate.swift
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    LMUIComponents.shared.pickerView = CustomFeedPickerView.self
    // ...
    return true
}