Holko.pl

Hi! I'm Arek Holko. I build iOS apps for others and as an indie developer. I write mostly about iOS development. More about me.

Recent Articles

Catching Leaky View Controllers Without Instruments

One of the well-known techniques for finding memory leaks caused by retain cycles is checking if all view controllers get deallocated when they’re not on screen anymore. This is a process that should be manually repeated before each release but it’s both unpleasant and error-prone. Wouldn’t it be cool if we could learn about UIViewController leaks earlier in the process, during the day-to-day development?

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Avoiding Third-Party UI Libraries

There’s been some discussion recently in the iOS community about pros and cons (OK, mostly cons) of using third-party dependencies. Many arguments I saw were rather generic — grouping all third-party libraries into one basket. As with most things, though, it’s not that simple. So, let’s try to focus on a single case today: should we avoid using third-party UI libraries?

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Introducing IBAnalyzer

I'm happy to announce the release of my new tool called IBAnalyzer. Its aim is to allow you to catch common xib and storyboard-related issues without running an app or writing unit tests.

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Imagining Dependency Injection via Initializer with Storyboards

Storyboards, both their good and bad parts, are something I already analyzed in the past. To recap, they just don’t feel like the first class citizen in the Swift world. Third party tools can help but only with some of the issues, e.g. SwiftGen allows us to minimize the usage of “stringly typed” APIs.

At the end of the day though storyboards can be completely fixed only by Apple. So, let’s see how Apple could improve the biggest pain point there is – the lack of dependency injection via initializer.

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Speeding up Development Build Times With Conditional dSYM Generation

Are you a user of a 3rd party crash reporting service, like Crashlytics or HockeyApp, who wants to speed up simulator builds? I've got just the right not-so-weird trick for you today.

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