override func viewDidLoad() {
    super.viewDidLoad()

    // Note: you may need to set the layout contraints for it by yourself
    // to make it displayed correctly.
    let segmentedControl = MaterialSegmentedControl(frame: CGRect(x: 0.0, y: 0.0, width: 200.0, height: 30.0))

    // Configure the view, note that you need to call updateViews in order to apply your cofiguration.
    segmentedControl.selectorColor = .black
    segmentedControl.selectorTextColor = .black
    setSampleSegments(segmentedControl, 18.0)
    segmentedControl.updateViews()

    self.view.addSubview(segmentedControl)
    segmentedControl.translatesAutoresizingMaskIntoConstraints = false
}

/**
Create sample segments for the segmented control.

- Parameter segmentedControl: The segmented control to put these segments into.
- Parameter cornerRadius:     The corner radius to be set to segments and selectors.
*/
private func setSampleSegments(_ segmentedControl: MaterialSegmentedControl, _ cornerRadius: CGFloat) {
    for i in 0..<3 {
        // Button background needs to be clear, it will be set to clear in segmented control anyway.
        let button = MaterialButton(text: "Segment \(i)", textColor: .gray, bgColor: .clear, cornerRadius: cornerRadius)
        segmentedControl.segments.append(button)
    }
}