iOS


Picking a Photo in iOS 14

If your app puts up an interface where the user gets to choose a photo from the photos library, you’re probably familiar with UIImagePickerController. Indeed, you’re probably all too familiar with it. UIImagePickerController is a remarkably clunky, aged piece of interface, both from the user point of view and with regard to its programming API. …

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Dealing with iOS 13 Deprecations

In an earlier article, I talked about the major and minor changes you might expect to grapple with when updating your older app to iOS 13 and iOS 14. In that article, however, I didn’t talk about deprecations. So I want to talk about them now. What is a deprecation? A deprecation is when [WARNING: …

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Finishing Touches: Haptics

We are probably all so accustomed by now to haptic feedback on our iPhones that we hardly give it a thought. Here are some examples: On the home screen, long press on the background, and the screen enters “jiggly mode” — with a dull thud. On the home screen, long press an app or a …

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Xcode Tricks: Multiple Selection

Have you used a code text editor that’s truly sophisticated and powerful, such as SublimeText or TextMate or Visual Studio Code or RubyMine? One very cool feature that they all have in common is multiple selection, also referred to as multiple cursors. This means you can select and edit multiple stretches of text simultaneously. When …

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Adventures in iOS Programming: Self-Sizing Cells

The other day, I was talking with BiTE CTO Brant about what we’d been up to lately in our iOS programming endeavors. I suggested that it might be interesting if your computer had a way to quantify how much time you spend on different sorts of programming task in the course of developing a project. …

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Rant: Xcode and the Protocol Paradox

This is a rant about an extremely useful Xcode feature that completely stops working just when you most need it to work. At the risk of giving the whole story away right at the start, I’ll just give the whole story away right at the start! The useful feature is Xcode’s ability to show you …

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More About Split View Controllers in iOS 14

In an earlier article, I talked about how split view controllers (UISplitViewController) have been completely revamped in iOS 14. In particular, they “adapt” to the environment’s horizontal size class in a whole new way. A two-part split view has three “columns”, but they are not all displayed at the same time: The .primary and .secondary …

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Split View Controllers Done Right in iOS 14

A split view controller (UISplitViewController) is a pretty cool thing. It allows you to divide the large iPad screen into two parts, each of which is managed by a view controller in its own right. Typically, these are a master view controller and a detail view controller: on one side, the master side, is a …

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