Ios 设置和获取滑块值
我宣布像这样的行动Ios 设置和获取滑块值,ios,objective-c,uislider,Ios,Objective C,Uislider,我宣布像这样的行动 [self.slider addTarget:self.delegate action:@selector(sliderChanged:) forControlEvents:UIControlEventValueChanged]; 现在,在委托中,我想更改值 - (void)sliderChanged:(id)sender { UIView *senderView = [sender view]; NSLog(@"Slider Changed: %f",
[self.slider addTarget:self.delegate action:@selector(sliderChanged:) forControlEvents:UIControlEventValueChanged];
现在,在委托中,我想更改值
- (void)sliderChanged:(id)sender
{
UIView *senderView = [sender view];
NSLog(@"Slider Changed: %f", slider.value);
我无法获取它请尝试使用
- (void)sliderChanged:(UISlider *)sender
{
NSLog(@"Slider Changed: %f", sender.value);
}
sender
是UISlider
。使用UISlider*滑块=(UISlider*)sender编辑代码>或只做NSLog(@“滑块已更改:%f”,[sender value])代码>