UIKit 框架之UISlider

//
//  ViewController.m
//  UISlider
//
//  Created by City--Online on 15/5/19.
//  Copyright (c) 2015年 XQB. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property(nonatomic,strong) UISlider *slider;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    _slider=[[UISlider alloc]initWithFrame:CGRectMake(10, 100, 200, 50)];
    _slider.minimumValue=0;
    _slider.maximumValue=100;
    _slider.value=30;
   
    //设置滑杆、滑块、轨道的颜色  同理可以设置图片 其他属性方法基本差不多 不再写
    _slider.minimumTrackTintColor=[UIColor redColor];
    _slider.maximumTrackTintColor=[UIColor blueColor];
    _slider.thumbTintColor=[UIColor yellowColor];
    
    //设置只有在离开滑动条的最后时刻才触发滑动事件
    _slider.continuous=NO;
    [_slider addTarget:self action:@selector(valuechanged) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:_slider];
    
}
-(void)valuechanged
{
    NSLog(@"%f",_slider.value);
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end