McPicker.show(data: [["Kevin", "Lauren", "Kibby", "Stella"]]) {  [weak self] (selections: [Int : String]) -> Void in
    if let name = selections[0] {
        self?.label.text = name
    }
}

let data: [[String]] = [["Kevin", "Lauren", "Kibby", "Stella"]]
McPicker.showAsPopover(data: data, fromViewController: self, barButtonItem: sender) { [weak self] (selections: [Int : String]) -> Void in
    if let name = selections[0] {
        self?.label.text = name
    }
}

@IBOutlet weak var mcTextField: McTextField!
override func viewDidLoad() {
    let data: [[String]] = [["Kevin", "Lauren", "Kibby", "Stella"]]
    let mcInputView = McPicker(data: data)
    mcInputView.backgroundColor = .gray
    mcInputView.backgroundColorAlpha = 0.25
    mcTextField.inputViewMcPicker = mcInputView

    mcTextField.doneHandler = { [weak mcTextField] (selections) in
        mcTextField?.text = selections[0]!
    }
    mcTextField.selectionChangedHandler = { [weak mcTextField] (selections, componentThatChanged) in
        mcTextField?.text = selections[componentThatChanged]!
    }
    mcTextField.cancelHandler = { [weak mcTextField] in
        mcTextField?.text = "Cancelled."
    }
    mcTextField.textFieldWillBeginEditingHandler = { [weak mcTextField] (selections) in
        if mcTextField?.text == "" {
            // Selections always default to the first value per component
            mcTextField?.text = selections[0]
        }
    }
}

let data: [[String]] = [
    ["Sir", "Mr", "Mrs", "Miss"],
    ["Kevin", "Lauren", "Kibby", "Stella"]
]
let mcPicker = McPicker(data: data)

let customLabel = UILabel()
customLabel.textAlignment = .center
customLabel.textColor = .white
customLabel.font = UIFont(name:"American Typewriter", size: 30)!
mcPicker.label = customLabel // Set your custom label

let fixedSpace = McPickerBarButtonItem.fixedSpace(width: 20.0)
let flexibleSpace = McPickerBarButtonItem.flexibleSpace()
let fireButton = McPickerBarButtonItem.done(mcPicker: mcPicker, title: "Fire!!!") // Set custom Text
let cancelButton = McPickerBarButtonItem.cancel(mcPicker: mcPicker, barButtonSystemItem: .cancel) // or system items
// Set custom toolbar items
mcPicker.setToolbarItems(items: [fixedSpace, cancelButton, flexibleSpace, fireButton, fixedSpace])

mcPicker.toolbarItemsFont = UIFont(name:"American Typewriter", size: 17)!
mcPicker.toolbarButtonsColor = .white
mcPicker.toolbarBarTintColor = .darkGray
mcPicker.backgroundColor = .gray
mcPicker.backgroundColorAlpha = 0.50
mcPicker.pickerBackgroundColor = .gray
mcPicker.pickerSelectRowsForComponents = [
    0: [3: true],
    1: [2: true] // [Component: [Row: isAnimated]
]

if let barButton = sender as? UIBarButtonItem {
    // Show as Popover
    //
    mcPicker.showAsPopover(fromViewController: self, barButtonItem: barButton) { [weak self] (selections: [Int : String]) -> Void in
        if let prefix = selections[0], let name = selections[1] {
            self?.label.text = "\(prefix) \(name)"
        }
    }
} else {
    // Show Normal
    //
    mcPicker.show(doneHandler: { [weak self] (selections: [Int : String]) -> Void in
        if let prefix = selections[0], let name = selections[1] {
            self?.label.text = "\(prefix) \(name)"
        }
    }, cancelHandler: {
        print("Canceled Styled Picker")
    }, selectionChangedHandler: { (selections: [Int:String], componentThatChanged: Int) -> Void  in
        let newSelection = selections[componentThatChanged] ?? "Failed to get new selection!"
        print("Component \(componentThatChanged) changed value to \(newSelection)")
    })
}