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设置slider当前位置的图像
[slider setThumbImage:[UIImage imageNamed:@"dd.png"] forState:UIControlStateNormal];
设置起始的颜色
[slider setMinimumTrackTintColor:[ComHelper colorWithHex:SYSTEM_BLUE_COLOR]]
设置末尾的颜色
[slider setMaximumTrackTintColor:[UIColor colorWithRed:0 green:0 blue:0 alpha:0.5]]
设置为竖直的
slider.transform = CGAffineTransformMakeRotation(-M_PI_2);
重新设置slider的frame,并且设置为数值的
一定要先设置transform为标准的,在设置frame,再设置transform
slider.transform = CGAffineTransformIdentity;
slider.frame = CGRectMake(0, 0, sliderLength, 20);
[slider setCenter:CGPointMake(xCenter, yCenter)];
slider.transform = CGAffineTransformMakeRotation(-M_PI_2);
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原文地址:http://www.cnblogs.com/huahuahu/p/UISlider-xiang-guan.html