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Against Android Unit Tests
2015-04-11
Edit: Since I’ve written this, I’ve come to realize that making unit testable Android apps does not require us to remove compile-time dependencies on the Android SDK. I talk about this realization in the post that concludes this series. Even the best among us admit that they struggle with testing their Android apps. Jake Wharton has said explicitly that the Android platform has traditionally been very difficult to test.¹ In the inaugural episode of their (excellent) podcast, Don Felker and Kaushik Gopal have echoed similar sentiments.…
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Don't call it "MVP"
2015-04-06
Lately there’s been a lot of discussion about an alternative architectural pattern for Android development. The acronym that’s being used to denote this alternative pattern is “MVP.” I think that “MVP” is an inaccurate and confusing designation for this pattern. In this post, I will say why I think “MVP” is a bad name for the pattern, and I’ll suggest a different name for referring to it. What is “MVP?” There are plenty of blog posts out there that describe the “MVP” pattern, so I’m not going to do that here.…
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How to Keep your RxJava Subscribers from Leaking
2015-03-24
Edit: Shortly after writing this, I realized that the solution that I present here isn’t very good. I’m leaving it here just in case it can serve as a building block for better solutions. Sometimes you don’t have control over the lifecycle of your Subscribers. In these cases, to avoid leaking your Subscriber, you have to unsubscribe from your Observable when you’re notified that your Subscriber is about to be destroyed.…
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An Alternative Multiproject Setup for Android Studio
2014-10-03
Google’s Gradle Plugin user guide recommends a method for configuring your gradle files to build multiple projects. That method has some shortcomings. In this post, I will briefly explain Google’s recommended configuration, note its shortcomings, and recommend a different way to configure your gradle files to support multi-project setups in Android Studio. The Google Way This picture illustrates how Google suggests we handle multi-project setups: our main “app” module is supposed to depend on library modules that reside within the project directory.…