Fragmented - Android Developer Podcast

In this mini fragment, Donn asks KG about a recent hackathon side project that he worked on with Kotlin scripting. We go into kotlin scripting (using kscript), pros cons, setting it up and more. We've added links some interesting resources, so you want to make sure you check out the shownotes for this one, so you too can explore kotlin scripting and see if it's a fit for you. Shownotes Existing solutions for poll/vote tabulation polleverywhere.com surveymonkey.com polldaddy.com Misc kscript by holgerbrandl blog post on the hackathon vote tabulation script what the csv output from google forms looks like github repo for script - with installation instructions Highly recommended - Talking kotlin episode on kscript // slick kotlin usage override fun onCreate(savedInstanceState: Bundle?) = super.onCreate(savedInstanceState).also { setContentView(R.layout.activity_something) // ... } Sponsors American Express Jobs - American Express is hiring Android developers! Contact Youtube channel @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

In this episode, DF and KG decompress. They start off talking about ideas around KISS vs DRY in software engineering. They move on then to talk about a dear topic - functional vs unit testing and then dive into some of the woes of having a testing infrastructure spun up. Also announcing our youtube channel ! Fragmented's Youtube channel Sponsors American Express Jobs - American Express is hiring Android developers! Contact @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

In this fragment episode, Donn talks about Kotlin extension functions. He discusses what they are, how to build them, why they're useful, how to organize them, visibility and how to call them Java and much more. Show Notes Kotlin Extension Functions Docs Calling Extension Functions from Java Kotlin KTX View Functions import android.view.View fun View.gone() { this.visibility = View.GONE } fun View.visible() { this.visibility = View.VISIBLE } Contact @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

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. Download Contact @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

In this episode, Donn talks about how you can get effective help with your coding problems with an SSCCE - a Simple, Self-Contained, Correct (Compilable), Example. Using an SSCCE provides others with a quick, concise way to examine the problem without extraneous libraries, UI toolkits and various other parts of your application that do not matter to the problem at hand. Donn breaks down each component of the SSCCE so you can wrap your head around what you need to get help quickly. Links SSCCE.org Sponsors Instabug - Instabug is the simplest yet most comprehensive bug reporting and In-app feedback SDK. Contact @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

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. Show Notes Danny's slides (DI in a Kotlin world) talk Koin Toothpick how to pronounce reified 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. SO post on the difference between DI & SL pattern Martin Fowler's post on DI, IOC, SL Caster.IO (paid) course by DF on setting up testing with Dagger 2 and Espresso Mark Seeman on Service Locators being an anti-pattern Sponsors Bitrise - Bitrise is your mobile continuous integration and delivery for your whole team, with dozens of integrations for your favorite services. Contact @fragmentedcast @preusslerberlin @donnfelker and donnfelker (on Instagram) @kaushikgopal and kaushikgopal (on Instagram)

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. Show Notes The infamous Short - Ep029: All about the infamous 65,536 dex method count IEEE_754 float storage format How binary fractions work 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 Sponsors Bitrise - Bitrise is your mobile continuous integration and delivery for your whole team, with dozens of integrations for your favorite services. Contact @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

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 ! Show Notes ep 79 - How do i get started with VR Apps Tango shutting down ARCore ARKit Cloud Anchors: Share AR experiences ARCore - Geometry detection Sceneform - 3d view rendering Resources Google ARCore github Yuliya's blog post Yuliya's talk Sponsors Bitrise - Bitrise is your mobile continuous integration and delivery for your whole team, with dozens of integrations for your favorite services. Contact @yuliyakaleda @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

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. Show Notes The post that kicked it all off Flow - static type checker for Javascript Babel -Javascript compiler Heisenbugs Bugsnag RecyclerView : UICollectionView Facebook blot post: State of React Native 2018 Kotlin Extensions Kotlin Delegated properties Epoxy Contact @gpeal8 [twitter.com] @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe

If you haven't heard, Airbnb has decided to move away from React Native. Friend of the show Gabriel Peal wrote an in-depth series of blog posts about this. We had so many questions around this that we asked him to come on the show and he graciously accepted to answer some of our questions. It's always a pleasure listening to his insights and this episode is no exception! Listen on: Show Notes React Native The post that kicked off this show Spike Brehm Leland Richardson Building a visual language - DLS Yoga library - cross layout engine YogaLayout - Android Sponsors Bitrise - Bitrise is your mobile continuous integration and delivery for your whole team, with dozens of integrations for your favorite services. Contact @gpeal8 [twitter.com] @fragmentedcast [twitter.com] @donnfelker and +DonnFelker @kaushikgopal and +KaushikGopalIsMe