You need to set the min/max magnification properties as well. You may also need to implement the delegate protocol to tell the scroll view which view to zoom as well (I'm almost certain this is necessary, but I haven't done this in a little bit).
On Jan 17, 2012, at 11:30 AM, Jon Sigman wrote: > I just added this: > [scrollView setContentSize:CGSizeMake(128.0,96.0)]; > Now I can move the image about within the UIScrollView, but I can't > pinch/zoom it. > > > > ________________________________ > From: Eric E. Dolecki <[email protected]> > To: Jon Sigman <[email protected]> > Cc: Fritz Anderson <[email protected]>; Cocoa- Dev List > <[email protected]> > Sent: Tuesday, January 17, 2012 11:18 AM > Subject: Re: iOS: Adding pinch-zoom to UIImageView > > > Did you set the contentSize for the scroll view? > > > > > > Google Voice: (508) 656-0622 > Twitter: eric_dolecki XBoxLive: edolecki PSN: eric_dolecki > http://blog.ericd.net > > > > On Tue, Jan 17, 2012 at 2:11 PM, Jon Sigman <[email protected]> wrote: > > Here's what I've tried: >> >> IBOutlet UIScrollView *scrollView; // created & placed on GUI with IB >> >> @synthesize scrollView; // hooked up from w/in IB >> >> - (void)viewDidLoad { >> [super viewDidLoad]; >> imageView = [[UIImageView alloc] initWithImage:[UIImage >> imageNamed:@"default.png"]]; >> [scrollView addSubview:imageView]; >> return; >> } >> >> The UIScrollView & UIImageView show up on the GUI, with the correct image, >> but gestures are ignored. What am I overlooking? >> >> >> >> >> >> ________________________________ >> From: Fritz Anderson <[email protected]> >> To: Jon Sigman <[email protected]> >> Cc: Cocoa- Dev List <[email protected]> >> Sent: Tuesday, January 17, 2012 8:11 AM >> Subject: Re: iOS: Adding pinch-zoom to UIImageView >> >> >> On 16 Jan 2012, at 3:57 PM, Jon Sigman wrote: >> >>> What's the typical way to add pinch capability to a UIImageView? >> >> Put it in a UIScrollView. >> >> — F >> _______________________________________________ >> >> Cocoa-dev mailing list ([email protected]) >> >> Please do not post admin requests or moderator comments to the list. >> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >> >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/cocoa-dev/edolecki%40gmail.com >> >> This email sent to [email protected] >> > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/david.duncan%40apple.com > > This email sent to [email protected] -- David Duncan _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
