iOS Control Action Callbacks

iOSActionCallbacks.swift

// UITextField
let textField = UITextField()
textField.addAction(
    UIAction { action in
        let textField = action.sender as! UITextField
        print(textField.text ?? "")
    },
    for: .editingChanged
)

// UIButton
// Approach 1
let button = UIButton(primaryAction: UIAction { _ in
    print("Button Touched")
})

// Approach 2
let btn = UIButton()
btn.addAction(
    UIAction { _ in
        print("Button Touched")
    },
    for: .touchUpInside
)

// UISwitch
let swi = UISwitch()
swi.addAction(
    UIAction { action in
        let swi = action.sender as! UISwitch
        print(swi.isOn)
    },
    for: .valueChanged
)

// UISlider
let slider = UISlider()
slider.addAction(
    UIAction { action in
        let slider = action.sender as! UISlider
        print(slider.value)
    },
    for: .valueChanged
)

// UIStepper
let stepper = UIStepper()
stepper.addAction(
    UIAction { action in
        let stepper = action.sender as! UIStepper
        print(stepper.value)
    },
    for: .valueChanged
)

// UISegmentedControl
let segmentedControl = UISegmentedControl()
segmentedControl.addAction(
    UIAction { action in
        let segmentedControl = action.sender as! UISegmentedControl
        print(segmentedControl.selectedSegmentIndex)
    },
    for: .valueChanged
)

// UIPageControl
let pageControl = UIPageControl()
pageControl.addAction(
    UIAction { action in
        let pageControl = action.sender as! UIPageControl
        print(pageControl.currentPage)
    },
    for: .valueChanged
)

// UIDatePicker
let datepicker = UIDatePicker()
datepicker.addAction(
    UIAction { action in
        let datepicker = action.sender as! UIDatePicker
        print(datepicker.date)
    },
    for: .valueChanged
)

// UIRefreshControl
let tableView = UITableView(frame: UIScreen.main.bounds)

let refreshControl = UIRefreshControl()
refreshControl.addAction(
    UIAction { action in
        let refreshControl = action.sender as! UIRefreshControl
        print(refreshControl.isRefreshing)
    },
    for: .valueChanged
)
tableView.refreshControl = refreshControl