Support for reselecting segmented control. segmentedControl.momentary = YES;

SDSegmentedControlHelper.m

#import "SDSegmentedControlHelper.h"

@implementation SDSegmentedControlHelper

+(void)selectTrafficSegmentInSegmentedControl:( UISegmentedControl* )sender
{
    NSArray* segments = [ sender subviews ];
    id trafficSegment  = segments[1];
    id campaignSegment = segments[0];
    
    [ trafficSegment  setSelected: YES ];
    [ campaignSegment setSelected: NO  ];
}

+(void)selectCampaignSegmentInSegmentedControl:( UISegmentedControl* )sender
{
    NSArray* segments = [ sender subviews ];
    id trafficSegment  = segments[1];
    id campaignSegment = segments[0];
    
    [ trafficSegment  setSelected: NO  ];
    [ campaignSegment setSelected: YES ];
}

+(NSInteger)trafficSegmentIndex
{
    return 0;
}

+(NSInteger)campaignSegmentIndex
{
    return 1;
}

+(NSUInteger)unsignedTrafficSegmentIndex
{
    return 0;
}

+(NSUInteger)unsignedCampaignSegmentIndex
{
    return 1;
}

@end

ViewController.mm

-(IBAction)navigationSegmentTouched:( UISegmentedControl* )sender
{
    NSInteger selectedIndex = sender.selectedSegmentIndex;
    [ sender setSelectedSegmentIndex: UISegmentedControlNoSegment ];
    
    if ( [ SDSegmentedControlHelper trafficSegmentIndex ] == selectedIndex )
    {
       [ SDSegmentedControlHelper selectTrafficSegmentInSegmentedControl: sender ];
    }
    else
    {
       [ SDSegmentedControlHelper selectCampaignSegmentInSegmentedControl: sender ];
    }
    
    /// Code
    
}