Re: iOS: Adding pinch-zoom to UIImageView
Re: iOS: Adding pinch-zoom to UIImageView
- Subject: Re: iOS: Adding pinch-zoom to UIImageView
- From: Jon Sigman <email@hidden>
- Date: Tue, 17 Jan 2012 11:30:20 -0800 (PST)
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@hidden>
To: Jon Sigman <email@hidden>
Cc: Fritz Anderson <email@hidden>; Cocoa- Dev List <email@hidden>
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?
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On Tue, Jan 17, 2012 at 2:11 PM, Jon Sigman <email@hidden> 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@hidden>
>To: Jon Sigman <email@hidden>
>Cc: Cocoa- Dev List <email@hidden>
>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
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