iphone – Page 2 – IT Nursery

How to add a right button to a UINavigationController?

June 2, 2022 by IT Nursery

I am trying to add a refresh button to the top bar of a navigation controller with no success. Here is the header: @interface PropertyViewController : UINavigationController { } Here is how I am trying to add it: – (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) { UIBarButtonItem *anotherButton = [[UIBarButtonItem … Read more

Finding the direction of scrolling in a UIScrollView?

June 2, 2022 by IT Nursery

I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method: – (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { [super touchesMoved:touches withEvent:event]; UITouch *touch = [touches anyObject]; float now = [touch locationInView:self].x; float … Read more

Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”

June 2, 2022 by IT Nursery

I’m having trouble exporting an app for Ad Hoc Distribution on Xcode 6 beta 2: When exporting my project for ad hoc development on Xcode 6, I receive this alert. I’ve tried exporting it on Xcode 5 and had no problems at all saving the .ipa. Is anyone experiencing this problem as well? 27 Answers … Read more

Long press on UITableView

June 2, 2022 by IT Nursery

I would like to handle a long press on a UITableViewCell to print a “quick access menu”. Did someone already do this? Particularly the gesture recognize on UITableView? 10 Answers 10

UIButton inside a view that has a UITapGestureRecognizer

June 2, 2022 by IT Nursery

I have view with a UITapGestureRecognizer. So when I tap on the view another view appears above this view. This new view has three buttons. When I now press on one of these buttons I don’t get the buttons action, I only get the tap gesture action. So I’m not able to use these buttons … Read more

Is there any way to see the file system on the iOS simulator?

June 1, 2022 by IT Nursery

Is there any way to browse the file system of a currently running or just killed iOS simulator? I’d settle for being able to see a specific app’s files if there’s a way to do that. Note that I don’t want to do this programatically. I want to see/open the files in the Finder. 12 … Read more

How can I click a button behind a transparent UIView?

June 1, 2022 by IT Nursery

Let’s say we have a view controller with one sub view. the subview takes up the center of the screen with 100 px margins on all sides. We then add a bunch of little stuff to click on inside that subview. We are only using the subview to take advantage of the new frame ( … Read more

@try – catch block in Objective-C

June 1, 2022 by IT Nursery

Why doesn’t @try block work? It crashed the app, but it was supposed to be caught by the @try block. NSString* test = [NSString stringWithString:@”ss”]; @try { [test characterAtIndex:6]; } @catch (NSException * e) { NSLog(@”Exception: %@”, e); } @finally { NSLog(@”finally”); } 3 Answers 3

How do I URL encode a string

June 1, 2022 by IT Nursery

I have a URL string (NSString) with spaces and & characters. How do I url encode the entire string (including the & ampersand character and spaces)? 24 Answers 24

How does TestFlight do it?

June 1, 2022 by IT Nursery

TestFlight offers over-the-air beta distribution of iOS apps (on non-jailbroken devices). How can this be done? Is this an iOS feature, or a vulnerability exploit? 5 Answers 5