With UIScrollView zoom images in layout frame
I have create an app in Xcode.
In my apps I require a functionality that has several im开发者_开发知识库ages in uiscroll view.
I cannot zoom images in scroll view. How i do it?
put your image view inside scroll view, and make user interaction as well as multiple touch enable in each, now
provide following setting to your scroll view:
//Pinch Zoom Stuff
imageScrollView.maximumZoomScale = 4.0;
imageScrollView.minimumZoomScale = 1.0;
imageScrollView.clipsToBounds = YES;
imageScrollView.delegate = self;
imageScrollView.scrollEnabled = NO;
Then implement Following methods:
- (void)scrollViewDidZoom:(UIScrollView *)scrollView
{
if (scrollView.zoomScale!=1.0)
{
// Not zoomed, let the scroll view scroll
imageScrollView.scrollEnabled = YES;
}
else
{
// Zooming, disable scrolling
imageScrollView.scrollEnabled = NO;
}
}
- (UIView *) viewForZoomingInScrollView:(UIScrollView *)scrollView
{
return imageView;
}
精彩评论