A Deselectable UISegmentedControl

DeselectableSegmentedControl.swift

import UIKit

class DeselectableSegmentedControl: UISegmentedControl {
    override func touchesEnded(touches: NSSet, withEvent event: UIEvent) {
        let previouslySelectedIndex = self.selectedSegmentIndex
        super.touchesEnded(touches, withEvent: event)
        if previouslySelectedIndex == self.selectedSegmentIndex {
            self.selectedSegmentIndex = UISegmentedControlNoSegment
            self.sendActionsForControlEvents(UIControlEvents.ValueChanged)
        }
    }
}