In part one of this two-part segment, we talk to the one and only Jake Wharton. He gives us the scoop on how he operates day to day, what he looks for in a good Android developer and how to become a better Android developer. He also touches upon the various sources and non-Java platforms that he draws inspiration from. Finally, he talks about open source and gives tips on leading an open source project.

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Show Notes/Links

Follow up:

• Michel Panzer on UIL [plus.google.com]

Episode topics:

• ActionBar Sherlock [github.com]
• Jake’s working environment
  • Square Github Styles [github.com]
  • No tabs in Intellij [hadihariri.com]
• Android source code browsing:
  • Android SDK Search by Roman Nurik [chrome.google.com]
  • Download the Android AOSP Source [source.android.com]
  • AndroidXref [androidxref.com]
  • Grepcode Android [grepcode.com]
• Device Platform Versions [developer.android.com]
• non-Java languages and platforms to draw inspiration from:
  • Go [golang.org]
  • Rust [rust-lang.org]
  • CycleJs [github.com ]
• Droidcon Montreal keynote by JW and JW [youtube.com]

Contact

Jake Wharton

• @jakewharton [twitter.com]
• jakewharton.com

Donn Felker

• @donnfelker [twitter.com]
• donnfelker.com

Kaushik Gopal

• @kaushikgopal [twitter.com]
• kaush.co

 

In this episode of Fragmented, Donn and Kaushik continue their conversation with Dan Lew on RxJava. In the final part of this 2 part series, they talk about many useful RxJava operators and other intricacies of using RxJava in Android.

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Show Notes

RxJava Operators:

• Observable.just [reactivex.io]
• Observable.from [reactivex.io]
• Observable.defer [reactivex.io]
  • Using defer to handle “Old, Slow Code” [blog.danlew.net]
• Observable.map [reactivex.io]
• Observable.flatmap [reactivex.io]
  • map vs flatmap (alchemist and cheese shredding analogy [reddit])
• Observable.zip [reactivex.io]
• Observable.combineLatest [reactivex.io]
• Observable. switchMap [reactivex.io]
• Observable.distinctUntilChanged [reactivex.io]
• Observable.lift explanation [reactivex.io]
• Observable.compose
  • Don’t break the chain (using compose) [blog.danlew.net]
• Observable.filter [reactivex.io]
• Observable.take [reactivex.io]
• subscribeOn vs observeOn [stackoverflow.com]
• Understanding debounce, buffer, debouncedBuffer [nerds.weddingpartyapp.com]

RxJava Components:

• Subjects: when is it appropriate to use [.net but still applies] [[davesexton.com]19]
• Implementing an event bus using RxJava [nerds.weddingpartyapp.com]
• RxJava plugins [github.com]
  • RxJavaDebug plugin – for hooking to start/end/error [github.com]
• .toBlocking() [reactivx.io]
• Composite Subscriptions [reactivex.io]

Retrolambda

• Retrolambda library [github.com]
• Retrolambda gradle plugin [github.com]
• Common Issue with Retrolambda (NoClassDefFoundError) [github.com]

Hot  vs Cold observables – From the RxJs wiki [github.com]

• uses js instead of java, but concepts are the same and this is the best explanation I’ve found so far.

RxJava wiki on Backpressure [github.com]:

• Ring buffer size: `System.setProperty(“rx.ring-buffer.size”, “128”);`
• Issue with changing buffer ring size [github.com]
• It’s 16 on Android, down from 1024 originally. :P So it’s actually 64x smaller.

Awesome picks:

Dan Lew:

• Simple Made Easy (talk by Rich Hickey creator of Clojure) [infohq]
• Victor by Trello (SVG assets) [github.com]

Donn:

• Realm Object Database [realm.io]

Kaushik:

• Therapeutic Refactoring (talk by Katrina Owen) [youtube.com]

Contact

Dan Lew

• @danlew42 [twitter.com]
• Dan Lew’s blog [danlew.net]

Donn Felker

• @donnfelker [twitter.com]
• donnfelker.com

Kaushik Gopal

• @kaushikgopal [twitter.com]
• kaush.co

In this episode of Fragmented, Donn and Kaushik interview Dan Lew – druid of RxJava & RxAndroid! In part 1 of this 2 part series, we find out more about the one they call Dan Lew. We ask Dan how he started off as a developer, how he stays on top of development, where he draws inspiration from for amazing Android development and much more. We then begin disarming the glorious beast that is RxJava touching upon it’s benefits and begin discussion of some common operators.

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Dan’s open source contributions:

• Joda-Time Android [github]
  • Why developers hate Timezones [youtube]
• Gfycat [github]
• Victor by Trello  [github]

Staying on top of Android Development:

• Android Weekly
• Android Dev Digest
• Google RSS reader app – gReader
• androiddev [reddit]
• Best Book on learning Java [Effective Java: Joshua Bloch]

Dan’s  favorite apps:

• Timely
• Pocket Casts
• Reddit News
• Muzei
• gReader
• Link Bubble
• For more inspiration: Android Niceties

Android Games that Dan plays

• Threes!
• Hoplite
• Wordiest

Working Remotely:

• Trello
• Slack
• Notes by Eran Hammer [hueniverse.com]

Getting started with  RxJava:

• Dan Lews RxJava Series
• Learning RxJava with Android by example [nerds.weddingpartyapp.com]
• Android-RxJava [github.com/kaushikgopal]
• Intro to Rx you’ve been missing [gist]

Rx

• Rx – Reactive Extensions by Microsoft
• ReactiveX [official page for Reactive Extensions]
• RxAndroid

Welcome to the very first episode of Fragmented. Donn and Kaushik talk about why they started the podcast, the structure of the podcast and a little about who they are. The main topic for this episode is Testing! What are the benefits of testing, in general? Why does testing specifically help Android developers? What is the state of testing in Android and how does one test in Android?

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Show Notes/Links

• Free Getting Started with Espresso 2.0 Screencast
• Unit testing support –  Android Tools site
• Donn – Android from the trenches
• Michael Bailey – (yogurtearl) – espresso, spoon and wiremock
• Matt Logan – decoupling the presenter
• KG – interested in an android developer podcast?
• UiAutomator – Junit and Monkeyrunner got drunk and hooked up
• Working Effectively With Legacy Code
• Kent Beck talking about TDD – [Youtube Is TDD Dead]
• Espresso 2.0 Cheat Sheet
• Jake Wharton – ActivityRule
• AssertJ  / AssertJ-Android
• XKCD – Compiling Comic
• Mocks Aren’t Stubs – Martin Fowler
• ClassNotFoundExceptoin – Espresso 2.0 Dagger Issue

Testing Links

• Testing fundamentals
• Espresso
• Robolectric
• Mockito
• Spoon
• Robotium

Misc

• Android Dev Digest
• AndroidJobs.IO  

Sample Android Testing Projects:

• Google Samples

Awesome picks:

• Device Lab
• Inconsolata-dz font for development
• Consolas font for development  

Contact

Donn Felker

• @donnfelker [twitter.com]

Kaushik Gopal

• @kaushikgopal [twitter.com]