Fragmented - AI Developer Podcast

By Kaushik Gopal, Iury SouzaScience Technology Education

Fragmented - AI Developer Podcast episodes

February 08, 2018112: Effective Java v3 - Item #9 - Prefer try with resources to try finally
In this mini-fragment episode, Donn talks about Item #9 of the Effective Java (Third Edition) book - Prefer try with resources to try finally.
Please note, this episode references the third edition of the Effective Java book that recently came out. Previously we were doing the entire series on version 2, but we are now upgrading to version 3 of the book. We will not be re-doing any of the existing lessons, but if one was inserted in the mix, then we will do that lesson.
Links
Effective Java (3rd Edition) Book
Sponsors
Mapbox - Android developers don't have to settle for a default same-map-no-matter-what option in their Android app. Mapbox offers complete map design control, allowing you to create beautiful custom maps to meet the needs of your Android users.
Check them out today at mapbox.com/android
Contact
@fragmentedcast [twitter.com]
@donnfelker and 📷 donnfelker
@kaushikgopal and 📷 kaushikgopal
17 min
January 29, 2018111: Effective Java v3 - Item #5 - Prefer Dependency Injection to Hardwiring Resources
In this mini-fragment episode, Donn talks about Item #5 of the Effective Java (Third Edition) book - Prefer Dependency Injection to Hardwiring Resources.
Please note, this episode references the third edition of the Effective Java book that recently came out. Previously we were doing the entire series on version 2, but we are now upgrading to version 3 of the book. We will not be re-doing any of the existing lessons, but if one was inserted in the mix, then we will do that lesson. This is the case with Item #5. We did Item #5 previously for v2 of the book, but v3 introduced a new Item 5 (and bumped the previous Item 5 up to 6).
TLDR; Item #5 is new in the third edition of the Effective Java book. So listen closely. :)
Links
Effective Java (3rd Edition) Book
Sponsors
Mapbox - Android developers don't have to settle for a default same-map-no-matter-what option in their Android app. Mapbox offers complete map design control, allowing you to create beautiful custom maps to meet the needs of your Android users.
Check them out today at mapbox.com/android
Contact
@fragmentedcast [twitter.com]
@donnfelker and 📷 donnfelker
@kaushikgopal and 📷 kaushikgopal
14 min
January 22, 2018110: BuddyBuild and CI/CD services
In this episode of Fragmented, we talk about CI, CD and CD services. That's Continuous Integration, Continuous Delivery, and Continuous Deployment. BuddyBuild a beloved 3rd party service of ours (and previous sponsor) is sunsetting their Android service, so Donn and KG discuss alternatives and the options they've been keeping an eye on.
Listen on:
Download directly
Show Notes
BuddyBuild is now part of Apple
Google buys Sparrow
Differences between CI/CDs services
Good article on CI
Nice infomatic explaining CD vs CD
Options for CI Services
Jenkins
CloudBees - enterprise Jenkins
Bitrise
Bitrise and Firebase test lab
NeverCode
Welcoming Android developers blog post by NeverCode
Microsoft AppCenter
Ep 104 - Donn talks to the Samina from AppCenter
Circle CI
2.0 docs
Testing with Firebase test lab
Team City - Jetbrains
Code Ship
Sponsors
Mapbox - - Android developers don't have to settle for a default same-map-no-matter-what option in their Android app. Mapbox offers complete map design control, allowing you to create beautiful custom maps to meet the needs of your Android users.
Check them out today at mapbox.com/android
Contact
@fragmentedcast [twitter.com]
@ryanjsalva
@donnfelker and 📷 donnfelker
@kaushikgopal and 📷 kaushikgopal
42 min
January 16, 2018109: Learning Kotlin - Sequences the new Iterables
In this episode of Fragmented, we go back to learning some Kotlin and look at the Iterable like data structure introduced called "Sequences". What is a sequence? How is it different from Iterable? When should I use it?
Show Notes
Kotlin Sequence
Java Iterable vs Iterator - stackoverflow.com
Eager/Lazy
Eager evaluation:
val lst = listOf(1, 2)
val lstMapped: List = lst.map { print("$it "); it * it }
print("before sum ")
val sum = lstMapped.sum()
// prints "1 2 before sum"
Lazy evaluation:
val seq = sequenceOf(1, 2)
val seqMapped: Sequence = seq.map { print("$it "); it * it }
print("before sum ")
val sum = seqMapped.sum()
// prints "before sum 1 2"
Source stackoverflow.com answer
Intermediate and terminal operations
Notice that at each chain operation, a new temporary list is created:
data class Person(val name: String, val age: Int)
fun main(args: Array) {
val people =
listOf(Person("Chris Martin", 31),
Person("Will Champion", 32),
Person("Jonny Buckland", 33),
Person("Guy Berryman", 34),
Person("Mhris Cartin", 30))
println(people
.filter { it.age > 30 } // new temp. list
.map {
it.name.split(" ").map {it[0]}.joinToString("")
} // new temp. list
.map { it.toUpperCase() }) // new temp. list
}
Using a sequence:
println(people
.asSequence() // convert to sequence
.filter { it.age > 30 } // lazy eval (intermediate op)
.map {
it.name.split(" ").map {it[0]}.joinToString("")
} // lazy eval (intermediate op)
.map { it.toUpperCase() } // lazy eval (intermediate op)
.toList() // terminal operation
)
Without a terminal operation, Sequences won't print anything:
val seq = sequenceOf(1, 2, 3)
println(seq) // prints address
println(seq.toList()) // [1, 2, 3]
You can't pick an index from a sequence:
println(seq[0]) // throws ERROR "No get method providing array access"
println(seq.toList()[0]) // 1
Sponsors
Mapbox - Android developers don't have to settle for a default same-map-no-matter-what option in their Android app. Mapbox offers complete map design control, allowing you to create beautiful custom maps to meet the needs of your Android users.
Check them out today at mapbox.com/android
Contact
@fragmentedcast [twitter.com]
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
23 min
January 08, 2018108: State of React Native for Android with Ryan Salva
In this episode Donn talks to React Native magician Ryan Salva. React native and cross-platform development is typically one of our most requested topics so we kick the new year off with React Native. Ryan and Donn dive into the state of React Native today for mobile development, how it's matured since inception, what kinds of apps are suited to be built with React Native, what kinds aren't, what are the benefits to using React Native, some tips like pushing updates without having to upload to the play store every time and so much more.
Listen on!
Show Notes
(Apache) Cordova
React Native
CodePush
CodePush moving to App Center
App Center
Service workers: an Introduction
Misc
Expo JS
nvm
npm
Noteworthy quotes from this episode:
As developers, we are empowered to break things; it's our god given right!
Javascript is a beautiful disaster
Sponsors
Mapbox Android developers don't have to settle for a default same-map-no-matter-what option in their Android app. Mapbox offers complete map design control, allowing you to create beautiful custom maps to meet the needs of your Android users.
Check them out today at mapbox.com/android
Contact
@fragmentedcast [twitter.com]
@ryanjsalva
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
55 min
December 18, 2017107: Shape shifting SVGs with Alex Lockwood
In this episode, we talk to Alex Lockwood who created shapeshifter.design, while at Google. Shape Shifter is an amazing tool that can help developers create Animated Vector Drawables without losing all their hair. Think of shapeshifter as a developer-friendly, open source, After Effects alternative for Android developers.
Alex talks to us about how and why he created Shape Shifter, the different tools that have evolved out of its creation and just getting a good grasp of its working.
Show Notes
Abt Alex Lockwood
Alex's blog - androiddesignpatterns.com
How to Leak a Context: Handlers & Inner Classes
Handling configuration changes with Fragments
Shape Shifter
shapeshifter.design
Blog post on icon animations
An Introduction to Icon Animation Techniques
SVGO
SVGo - optimizer
SVG-OMG - webapp that runs svgo on web by Jake Archibald
Shape Shifting & Icon animations
Alex Lockwood Droidcon SF 2017 Talk - In-depth parth morphing w/Shape Shifter
Building play to pause animation with ShapeShifter [slides]
Animal morph animation
Nick Butcher talk - Learn some new moves
Needleman-Wunsch algorithm
AVDO
github issue: AVDO -> 🥑
Lottie
Sponsors
Thanks to Buddybuild for sponsoring this episode of Fragmented! Ship apps faster with BuddyBuild 🚀 Give them a try for free at fragmentedpodcast.com/buddybuild.
Contact
@alexjlockwood [twitter.com]
@fragmentedcast [twitter.com]
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
47 min
December 13, 2017106: The Reactive Workflow Pattern with Ray Ryan
In this episode we sit down and talk to Ray Ryan from Square about the Reactive Workflow pattern that he recently gave a talk on. This pattern goes deep into RootViews, containers, ViewFactories and much much more.
Show Notes
Ray’s “The Rx Workflow Pattern” talk at Droidcon NYC: droidcon NYC 2017 - The Rx Workflow Pattern - YouTube
Flow Navigation -GitHub - square/flow: Name UI states, navigate between them, remember where you’ve been.
Square Coordinator Library - GitHub - square/coordinators: Simple MVWhatever for Android
Composable State Machine Pattern - A composable pattern for pure state machines with effects (draft v3) · GitHub
Sponsors
Rollbar - special offer: Bootstrap plan free for 90 days
Contact
@rjrjr [twitter.com]
@fragmentedcast [twitter.com]
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
59 min
December 04, 2017105: Jake Wharton on the Android Kotlin Guides
In this episode, we talk to Jake Wharton of Google on a recent Kotlin coding style guide that they released: the Android Kotlin Guides. In this episode, we pick his brains and ask him how he structured the guide, how he partitioned it to fit some of the idiosyncrasies of Kotlin, what some of the challenges were, when coming up with the guide and much more.
Jake's one of the best out there and it's always such a pleasure to have him on the show. Listen on:
Show Notes
The style guides
Android Kotlin Guides
official github repo for Android Kotlin guides
Google Java Style Guide
Jetbrains Coding conventions
Jetbrains collection of Kotlin idioms (also very useful)
Building the style guide
Jekyll
Android Testing support library website (inspiration for how to set it up) (github)
Android Kotlin Guides
Annotation use-site targets with Kotlin
guide on interop and file-names for use-site targets
logical ordering explanation for ordering companion object
I am the reason for Hungarian notation - Cedric Beust blog post
Mockito when problems:
Kotlin reserved keywords
Mockito Kotlin library (aliases when -> whenever)
Misc
Where to break lines
Immutable collection prototypes for Kotlin
@Kotlin tweet on immutable collections
@JvmOverloads (we love this!)
Contributing
Contribute to github issues on Android Kotlin Guides
Sponsors
Rollbar - special offer: Bootstrap plan free for 90 days
Contact
@JakeWharton [twitter.com]
@fragmentedcast [twitter.com]
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
1 hr 12 min
November 27, 2017104: Conversations with GNOME Mono Xamarin creator Miguel and VS App Center PM Simina
In this episode of Fragmented, Donn makes the pilgrimage to Microsoft Connect 2017. Connect is Microsoft's annual developer conference where they announce a bunch of new products and services.
Donn got to interview a bunch of folks, and in this episode, we talk to two of them: Miguel De Icaza (leading open source proponent who also helped create Gnome, Mono, Xamarin etc.) and Simina Pasat (Program manager for Microsoft's very new CI like service AppLink). Both of them were terrific guests and had quite a few gems to share, for us Android devs!
Show notes
Microsoft Connect
Miguel
MiguelDeIcaza (Wikipedia)
Wine
Midnight Commander
Gnumeric speedsheet
Evolution - Outlook clone for linux
Cross platform development
Mono project
Xamarin
Xamarin Live Player
Xamarin Workbooks
Misc
Scott Hanselman on using Visual Studio
Download Visual Studio
F# (programming language)
Bret Victor - The Future of Programming (youtube)
Simina Pasat
HockeyApp platform
Visual Studio App Center
Introducing App Center: Build, Test, Distribute and Monitor Apps in the Cloud
How to upload an Espresso Test to Visual Studio App Center
@vsappcenter
Contact
@MiguelDeIcaza
@SiminaPasat
@fragmentedcast [twitter.com]
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
54 min
November 13, 2017103: MVI pattern with Hannes Mosby Dorfmann
In this episode of Fragmented, we talk to Hannes Dorfmann about using the Model View Intent (MVI) pattern for Android. The MVI pattern was sparked through cycle.js (for javascript). Hannes took this pattern and tried to adapt it to Android. This pattern has gained a lot of traction and interest in the Android community.
In this episode, he breaks down the pattern for us. He tells us how to implement it, how it helps with testing, the benefits of the pattern and some of the pitfalls. Recording this episode was riveting for us and we dive into some juicy technical details. Listen on!
Show Notes
About Hannes
hannesdorfmann.com blog
Mosby
Tickaroo
Freeletics
The Context podcast
MV* patterns
cyclejs
André "Staltz" Medeiros
MVVM pattern
MVP pattern
KG - What i learnt using Presenter patterns
MVC by Trygve Reenskaug
MVI like patterns
Hannes series on MVI for Android (must read!) :
Reactive apps with MVI Part 1 - Model
Reactive apps with MVI Part 2 - View and Intent
Reactive apps with MVI Part 3 - State Reducer
Reactive apps with MVI Part 4 - Independent UI components
Reactive apps with MVI Part 5 - Debugging with Ease
Reactive apps with MVI Part 6 - Restoring state
Reactive apps with MVI Part 7 - Timing (Single live event problem)
Misc
Kategory - (Jorge)
Redux
Redux Saga - alternative side effect model for Redux apps
Redux Observable - AirBnB
Groupon Grux
Instacart LCE
The Journey of Android Engineers: Redux-ing UI Bugs by Christina Lee
Managing State with RxJava by Jake Wharton
Sponsors
Rollbar - special offer: Bootstrap plan free for 90 days
Rollbar open source library (alpha)
Contact
@sockeqwe [twitter.com]
@fragmentedcast [twitter.com]
@donnfelker and +DonnFelker
@kaushikgopal and +KaushikGopalIsMe
1 hr 7 min