UISegmentedControl.m

 - (void)viewDidLoad
{
    UISegmentedControl *segmentedControl = [[UISegmentedControl alloc]
                                            initWithItems:[NSArray arrayWithObjects:
                                                           @"Segm 1",
                                                           @"Segm 2",
                                                           @"Segm 3",
                                                           @"Segm 4", nil]];
    [segmentedControl setFrame:CGRectMake(20, 20, [UIScreen mainScreen].bounds.size.width - 40, 30)];
    [segmentedControl setSelectedSegmentIndex:0];
    [segmentedControl setTintColor:[UIColor greenColor]];
    [self.view addSubview:segmentedControl];

    if(segmentedControl.selectedSegmentIndex == 0){
        NSLog(@"Red");
    } else if (segmentedControl.selectedSegmentIndex == 1) {
        NSLog(@"Blue");
    }
}