reduce bouncing UITableView

is it possible to som开发者_如何学编程ehow reduce the bouncing height at the top or the end of an UITableView?

Thank you

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You can check and set the contentOffset property in the scrollViewDidScroll method:

-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{    
    if (scrollView.contentOffset.y <= -100)
    {
        CGPoint offset = scrollView.contentOffset;
        offset.y = -100;
        scrollView.contentOffset = offset;
    }    
}

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Not without disabling it entirely, via the UIScrollView property bounces. It's pretty much an on-or-off thing.

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I doubt so. The elasticity of scroll views is an implementation detail and it doesn't appear that the UIScrollView class exposes properties that let you adjust that.

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As additional to René Fischer answer follow the full code to reduce bounce top and bottom.

Swift Version:

override func scrollViewDidScroll(scrollView: UIScrollView) {

    var offset = scrollView.contentOffset;

    if (offset.y < bounceLimit) {
        offset.y = bounceLimit;
        scrollView.contentOffset = offset;
    }

    let offsetY = scrollView.contentSize.height - scrollView.bounds.height - offset.y
    if (offsetY < bounceLimit) {
        offset.y = scrollView.contentOffset.y - (bounceLimit + abs(offsetY));
        scrollView.contentOffset = offset;
    }
}

Obj-C Version:

-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    CGPoint offset = scrollView.contentOffset;

    if (offset.y <= -100)
    {
        offset.y = -100;
        scrollView.contentOffset = offset;
    }

    CGFloat offsetY = scrollView.contentSize.height - scrollView.bounds.height - offset.y

    if (offsetY < bounceLimit) {
        offset.y = offset.y - (bounceLimit + abs(offsetY));
        scrollView.contentOffset = offset;
    }
}

Note: The height of the table (contentSize.height) should be at least the device screen height less the bounce limit.

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You cannot changing bounceing property of scrollview either you can disable or enable