IT Nursery
I create a button programmatically………. button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [button addTarget:self action:@selector(aMethod:) forControlEvents:UIControlEventTouchDown];...
I just upgraded to Xcode 4 and for some reason my app won’t run in the simulator or iOS device. It was working ...
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May 30, 2022
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I’m using a UITableView to layout content ‘pages’. I’m using the headers of the table view to layout certain images etc. and I’d ...
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May 30, 2022
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Can someone briefly explain to me how ARC works? I know it’s different from Garbage Collection, but I was just wondering exactly how ...
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May 30, 2022
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How do I test whether an object is an instance of a particular class in Objective-C? Let’s say I want to see if ...
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May 29, 2022
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How can I execute a terminal command (like grep) from my Objective-C Cocoa application? 12 Answers 12
in iOS6 I noticed the new Container View but am not quite sure how to access it’s controller from the containing view. Scenario: ...
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May 29, 2022
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In my little iPad app I have a “switch language” function that uses an observer. Every view controller registers itself with my observer ...
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May 29, 2022
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When trying to register for push notifications under iOS 8.x: application.registerForRemoteNotificationTypes(UIRemoteNotificationType.Alert | UIRemoteNotificationType.Badge | UIRemoteNotificationType.Sound) I get the following error: registerForRemoteNotificationTypes: is not ...
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May 29, 2022
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How do you set the image for a UIButton in code? I have this: UIButton *btnTwo =...