Can UIScrollView's deceleration rate be modified?

Question

Since this question was originally asked, UIScrollView deceleration rate customization has been added via the decelerationRate property introduced in OS 3.0.

Answer 1

There is a pretty straightforward approach. Override the setter method.

@interface UIArbitraryDeceleratingScrollView : UIScrollView

@property(nonatomic,assign) CGFloat decelerationRate;

@end

@implementation UIArbitraryDeceleratingScrollView

@synthesize decelerationRate = _decelerationRate;

- (void)setDecelerationRate:(CGFloat)dr
{
    [super setDecelerationRate:dr];
    _decelerationRate = dr;
}

@end

Now assign what you want to, like this for example:

_scroller.decelerationRate = (UIScrollViewDecelerationRateNormal+UIScrollViewDecelerationRateFast)/2.1;