135: You can’t learn everything

Donn’s on a roll again this week and talks to us about his experience having developed Android for a while. In the early days of Android development, as app developers we felt like we had a decent grasp of everything you needed to know to pump out decent apps.

But with the time, and the latest updates, that has become a tricky thing. This is a good problem to have for the ecosystem but it can make it seem very daunting for developers, both new and old.

Donn gives his 2 cents on this subject.

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133: Dependency Injection and Service Locators in a Kotlin world with Danny Preussler

A hotly debated topic at the moment is the use of a library like Dagger for dependency injection in the world of Kotlin. In this episode, we talk to Danny Preussler. Danny’s a pro who’s been around from the Java 1.0 days! He helps trace the history of dependency injection in Java all the way to today, in a Kotlin world where there exists alternatives like Koin and Kodine.

We dive into how some of these use a Service Loader/Locator pattern and the subtle differences with dependency injection. Listen on for an action packed episode.

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Service Locators vs Dependency Injection

Your application is aware it’s using a Service Locator, but your application should be totally un-aware that it’s using a Dependency Injection Container.

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132: Dealing with Money in programming

In this mini fragment Kaushik talks about dealing with the Money object. With money we need decimals, but the obvious solution of using a float or double may not work as advertised. Listen to this episode to find out why and how you can go about dealing with this.

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Problematic snippet 1:

println(1.03-0.42) # prints 0.6100000000000001

Problematic snippet 2:

var x = 0F
(1..100).forEach { i ->
    x += 0.01F
}
println(x) # 0.99999934 vs 1

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  • Bitrise – Bitrise is your mobile continuous integration and delivery for your whole team, with dozens of integrations for your favorite services.

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131: ARCore with Yulia Kaleda

We live in a time of booming AR (and VR). We wanted to talk to someone who’s worked with it and would know a thing or two about the subject. Then we found Yuliya – also known as the walking wizard of ARCore. In this episode, she teaches Kaush and Donn about ARCore, the differences between AR/VR, the fundamental building blocks of ARCore, some of the newer concepts introduced like Sceneform. An action packed episode to say the least. Listen on !

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Resources

Sponsors

  • Bitrise – Bitrise is your mobile continuous integration and delivery for your whole team, with dozens of integrations for your favorite services.

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130: Sunsetting ReactNative at Airbnb with Gabriel Peal – Part 2

In this episode, we resume our conversation with Airbnb’s Gabriel Peal. If you haven’t listened to part 1, you really really should go back and do that. In that episode, we kicked it off by first trying to understand the goals and the story behind why React Native was chosen as the code sharing technology/tool.

After two years, 220 screens, and 120,000 lines of javascript, Gabriel tells us why they’re moving away from React Native.

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