oc,UISlider,UI

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

UISlider * slider=[[UISlider alloc] initWithFrame:CGRectMake(50, 200, 300, 40)];

    slider.tag=102;

    slider.maximumValue=10;//0-10

    slider.minimumValue=5;//5-10

    slider.value=6;

    slider.minimumTrackTintColor=[UIColor redColor];

    slider.maximumTrackTintColor=[UIColor greenColor];

    

    slider.maximumValueImage=[UIImage imageNamed:@"bt1"];

    slider.minimumValueImage=[UIImage imageNamed:@"bt1"];

    

    [slider setMaximumTrackImage:[UIImage imageNamed:@"bthui"] forState:UIControlStateNormal];

    

    [slider setMinimumTrackImage:[UIImage imageNamed:@"btlan"] forState:UIControlStateNormal];

    

    [slider setThumbImage:[UIImage imageNamed:@"bt3"] forState:UIControlStateNormal];

   

    [slider addTarget:self action:@selector(update) forControlEvents:UIControlEventValueChanged];

    [self.view addSubview:slider];

}

}