EDIT: Several commenters have claimed that more recent versions of Xcode return IBOutletCollections in the order the connections are made. Others have claimed that this approach didn’t work for them in storyboards. I haven’t tested this myself, but if you’re willing to rely on undocumented behavior, then you may find that the explicit sorting I’ve … Read more
A Storyboard is: A container for all your Scenes (View Controllers, Nav Controllers, TabBar Controllers, etc) A manager of connections and transitions between these scenes (these are called Segues) A nice way to manage how different controllers talk to each other Storyboards give you a complete look at the flow of your application that you … Read more
Check it out: UILabel *label = … label.userInteractionEnabled = YES; UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(labelTap)]; [label addGestureRecognizer:tapGesture]; The trick is to enable user interaction.
This is not a bug, this is a consequence of how Xcode processes storyboard files. I am writing a diff and merge program for storyboard files (GitHub link) and I have spent hours analyzing the storyboard files logic and how Xcode processes it. This is what I discovered: Why do weird changes occur in storyboard … Read more
You need to use view’s layer to set border property. e.g: #import <QuartzCore/QuartzCore.h> … view.layer.borderColor = [UIColor redColor].CGColor; view.layer.borderWidth = 3.0f; You also need to link with QuartzCore.framework to access this functionality.
Interface Builder filters colors through your monitor’s current color space by default. You can change this in Xcode4 IB by bringing up a Colors dialog, clicking the Sliders tab, then clicking the little dropdown button under the magnifying glass that looks like a color spectrum. This will bring up a list of available color spaces … Read more
On Mac OS X, IBOutlets are connected like this: Look for a method called set<OutletName>:. If it exists call it. If no method exists, look for an instance variable named <OutletName>, set it without retaining. On iPhone OS, IBOutlets are connected like this: call [object setValue:outletValue forKey:@”<OutletName>”] The behavior of set value for key is … Read more
Just to give a clean, up-to-date answer to this: Select an interface object, then “Editor | Arrange | Send to back/front/etc”, OR Select the window object, then click on ‘Window’ above the interface editor and select the objects it contains This pic shows where to click: Or you can expand the object browser, use the … Read more
The File Owner is an instantiated, runtime object that owns the contents of your nib and its outlets/actions when the nib is loaded. It can be an instance of any class you like – take a look at the identity tab of the tool palette. File Owner is the main link between your application code … Read more
Based on chrisco’s suggestion to debug the selected view (which I had already done, but went to try again for good measure), I noticed a couple of other options at the bottom of the Editor menu. Automatically Refresh Views Refresh All Views I clicked “Refresh All Views” and after Xcode had a bit of a … Read more