A double-tap UISegmentedControl subclass. Each segment functions as a discrete double-tap button. Based on http://stackoverflow.com/questions/17652773/how-to-deselect-a-segment-in-segmented-control-button-permanently-till-its-click?lq=1
Add this to your Podfile.
pod 'SLTDoubleTapSegmentedControl'
SLTDoubleTapSegmentedControl is licensed under the terms of the Apache 2.0 License. Please see the LICENSE file for full details.