使用slide修改UISlider背景颜色如下:
代码,但是没实现像连接图片的效果:
@property (strong, nonatomic) IBOutlet UISlider *r;
@property (strong, nonatomic) IBOutlet UISlider *g;
@property (strong, nonatomic) IBOutlet UISlider *b;
-(void)blueSlider:(UISlider*)slider {
UIColor *newColor = [UIColor colorWithRed:_r.value green:_g.value blue:_b.value alpha:1];
_b.backgroundColor=newColor;
}
-(void)greenSlider:(UISlider*)slider {
UIColor *newColor = [UIColor colorWithRed:_r.value green:_g.value blue:_b.value alpha:1];
_g.backgroundColor=newColor;
}
-(void)redSlider:(UISlider*)slider {
UIColor *newColor = [UIColor colorWithRed:_r.value green:_g.value blue:_b.value alpha:1];
_r.backgroundColor=newColor;
}
我想要跟这一样的。