UISlider 和 UISegement

来源：互联网发布：软件质量保证书范本编辑：程序博客网时间：2024/05/17 03:05

// Slider

    self.slider = [[UISlider alloc] initWithFrame:CGRectMake(100, 50, 200, 30)];    self.slider.backgroundColor = [UIColor clearColor];    [self.view addSubview:self.slider];    [self.slider addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventValueChanged];    self.slider.value = 2;    self.slider.maximumValue = 2;    self.slider.minimumValue = 0.1;

// 用segement实现更换view背景颜色

    NSArray *arr = [NSArray arrayWithObjects:@"红", @"黄", @"绿", nil];    self.segment = [[UISegmentedControl alloc] initWithItems:arr];    self.segment.frame = CGRectMake(90, 50, 200, 30);    [self.view addSubview:self.segment];    [self.segment release];    [self.segment addTarget:self action:@selector(segementAction:)forControlEvents:UIControlEventValueChanged];

// 点击方法

- (void)segementAction:(UISegmentedControl *)segement {    NSInteger select = self.segment.selectedSegmentIndex;    switch (select) {        case 0:            self.view.backgroundColor = [UIColor redColor];            break;        case 1:            self.view.backgroundColor = [UIColor yellowColor];            break;        case 2:            self.view.backgroundColor = [UIColor greenColor];        default:            break;    }}

0 0