UISlider

android中的控件叫做seebar

#pragma mark - 加载视图
- (void)viewDidLoad {
    [super viewDidLoad];
    //android seekbar
    CGRect frame = CGRectMake(20, 20, 200, 0);
    self.mySlider = [[UISlider alloc] initWithFrame:frame];
    //限制值
    self.mySlider.minimumValue = 0;
    self.mySlider.maximumValue = 100;
    //修饰行为
    self.mySlider.continuous = YES;
    
    //当前值是50
    self.mySlider.value = 50;
    
    //修饰外观
    //最小端颜色
    self.mySlider.minimumTrackTintColor = [UIColor orangeColor];
    //最大端颜色
    self.mySlider.maximumTrackTintColor = [UIColor redColor];
    //滑块颜色
    self.mySlider.thumbTintColor = [UIColor greenColor];
    
    [self.mySlider addTarget:self action:@selector(change:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:self.mySlider];
    
 }
#pragma mark - 做todo事件
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
#pragma mark -
-(IBAction)change:(id)sender{
    UISlider *slide = (UISlider *)sender;
    float value = slide.value;
    NSLog(@"value is %f", value);
}