uiscrollview
How to create a UIScrollView Programmatically?
Instead of: UIScrollView *scroll = [UIScrollView alloc]; do this (setting the frame to however big you want the scroll view to be): UIScrollView *scroll = [[UIScrollView alloc] initWithFrame:…];
How to set content size of UIScrollView dynamically
One more easy way – (void)viewDidLoad { float sizeOfContent = 0; UIView *lLast = [scrollView.subviews lastObject]; NSInteger wd = lLast.frame.origin.y; NSInteger ht = lLast.frame.size.height; sizeOfContent = wd+ht; scrollView.contentSize = CGSizeMake(scrollView.frame.size.width, sizeOfContent); }
iPhone UIScrollView Speed Check
There’s an easier way: check the UISCrollview’s pan gesture recognizer. With it, you can get the velocity like so: CGPoint scrollVelocity = [[_scrollView panGestureRecognizer] velocityInView:self];
UIScrollView wrong offset with Auto Layout
Yeah, something strange happened with UIScrollView in pure autolayout environment. Re-reading the iOS SDK 6.0 release notes for the twentieth time I found that: Note that you can make a subview of the scroll view appear to float (not scroll) over the other scrolling content by creating constraints between the view and a view outside … Read more
How to steal touches from UIScrollView?
Sometimes you have to ask the question before you can find the answer. Dan Ray had a similar problem and solved it with a very different solution. – (UIView*)hitTest:(CGPoint)point withEvent:(UIEvent *)event { UIView* result = [super hitTest:point withEvent:event]; if ([result.superview isKindOfClass:[UIPickerView class]]) { self.scrollEnabled = NO; } else { self.scrollEnabled = YES; } return result; … Read more
How to make a UIScrollView auto scroll when a UITextField becomes a first responder
I hope this example will help you You can scroll to any point by this code. scrollView.contentOffset = CGPointMake(0,0); So if you have textfield, it must have some x,y position on view, so you can use CGPoint point = textfield.frame.origin ; scrollView.contentOffset = point This should do the trick, But if you don’t know when … Read more
iphone – prevent uiscrollview from scrolling by touch
Try setting yourScrollView.scrollEnabled = NO;. That should do exactly what you want.