gistfile1.m

#import "REDRangeSlider.h"


@interface REDViewController ()

@property (strong, nonatomic) REDRangeSlider *rangeSlider;

- (void)updateSliderLabels;
- (void)rangeSliderValueChanged:(id)sender;

@end


@implementation REDViewController

- (void)viewDidLoad {
    
    [super viewDidLoad];
    
    self.rangeSlider = [[REDRangeSlider alloc] initWithFrame:CGRectMake(100, 100, 0, 0)];

    // Customisation
    self.rangeSlider.handleImage = [UIImage imageNamed:@"slider-handle"];
    self.rangeSlider.handleHighlightedImage = [UIImage imageNamed:@"slider-handle-highlighted"];
    self.rangeSlider.trackBackgroundImage = [[UIImage imageNamed:@"slider-track-background"] resizableImageWithCapInsets:UIEdgeInsetsMake(4, 5, 4, 5)];
    self.rangeSlider.trackFillImage = [[UIImage imageNamed:@"slider-track-fill"] resizableImageWithCapInsets:UIEdgeInsetsMake(4, 5, 4, 5)]; 
    
    self.rangeSlider.minValue = 50.0;
    self.rangeSlider.maxValue = 100.0;
    self.rangeSlider.leftValue = 25.0;
    self.rangeSlider.rightValue = 75.0;

    [self.rangeSlider addTarget:self action:@selector(rangeSliderValueChanged:) forControlEvents:UIControlEventValueChanged];
    
    [self.view addSubview:self.rangeSlider];
    [self updateSliderLabels];
}

- (void)didReceiveMemoryWarning {
    
    [super didReceiveMemoryWarning];
}

#pragma mark - Actions

- (void)rangeSliderValueChanged:(id)sender {
    
    [self updateSliderLabels];
}

#pragma mark -

- (void)updateSliderLabels {
    
    self.leftValueLabel.text = [NSString stringWithFormat:@"%.2f", self.rangeSlider.leftValue];
    self.rightValueLabel.text = [NSString stringWithFormat:@"%.2f", self.rangeSlider.rightValue];
}

@end