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UISlider_滑块控件_显示进度或控制音量等

Posted on Jun 13, 2015 By anchoriteFili

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#pragma mark 创建UISlider
    UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(0,100,320, 100)];
//    划过的颜色设置
    slider.minimumTrackTintColor = [UIColor redColor];
//    划前的颜色设置
    slider.maximumTrackTintColor = [UIColor blueColor];
//    设置最小值
    slider.minimumValue = 100;
//    设置最大值
    slider.maximumValue = 200;
//    设置划过线的图片
    [slider setMinimumTrackImage:[UIImage imageNamed:@"compass.png"] forState:UIControlStateNormal];
//    设置中间按钮的图片
    [slider setThumbImage:[UIImage imageNamed:@"人物迷你版.png"] forState:UIControlStateNormal];
    NSLog(@"%.1f",slider.value);
//    创建slider数值变时的触发事件
    [slider addTarget:self action:@selector(slider:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:slider];
    [slider release];

- (void)slider:(UISlider *)sender {
    NSLog(@"%.1f",sender.value);
    
}