CODEWITHSUNDEEP
iosuiscrollviewuislider
Emré
Emré

Reputation: 63

Synching UISlider and UIScrollView

Currently I have a UISlider that is linked to the ScrollView. Once I drag the slider it moves the scrollview.

However the ScrollView doesn't move the slider

Any Ideas on how I can sync the both would be much appreciated

Thanks in Advance.

Upvotes: 3

Views: 1105

Answers (2)

NANNAV
NANNAV

Reputation: 4901

try this code

slider.minimumValue = 0.0;
 slider.maximumValue =ScrollView.contentSize.height;

set content offset for ScrollView

-(void)sliderAction:(id)sender
{
    UISlider * slider = (UISlider*)sender;
    ScrollView.contentOffset=CGPointMake(0,[slider value]);
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
  slider.value=scrollView.contentOffset.y
}

Upvotes: 1

Kreiri
Kreiri

Reputation: 7850

It's not clear what you mean with "ScrollView doesn't move the slider". Do you want to change slider's value? Or do you want to change slider's position?

If you want to change slider's value according to scroll view's content offset, implement scrollViewDidScroll: method in delegate of your scroll view and set slider's value there.

Upvotes: 2

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