Fragmented - AI Developer Podcast

By Kaushik Gopal, Iury SouzaScience Technology Education

Fragmented - AI Developer Podcast episodes

November 20, 2015022: Effective Java for Android developers : Item 5
In this mini Fragment, we introduce Joshua's fifth Item: Avoid creating unnecessary objects.
Stay tuned for more items from our "Effective Java for Android developers" Fragment series.
Show Notes
Effective Java (2nd Edition) - Joshua Bloch
Avoid creating unnecessary objects
Google says - Avoiding creating unnecessary objects too
Episode 10 with Michael Bailey - String optimization
Snippet to demonstrate AutoBoxing problems
// sum of all positive values
Long sum = 0L;
for (long i=0; i Integer.MAX_VALUE; i++) {
sum+=i;
}
Contact:
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
13 min
November 13, 2015021: Diving Deep with Dagger
In this episode, Kaushik and Donn dive deep into the Dependency Injection library - Dagger. We have a cameo by Dagger creator Jesse!
Show Notes
In other news
Donn in a Banana Suit
KG as a Storm Trooper
AndoridTO
020 – Talking Kotlin with Hadi Hariri
Google entering podcast scene and we're on it
Dagger
Topological Sort
Jesse Wilson Cameo
Dagger Linker class
Jesse's MiniGuice proof of concept
Avoiding injects with library
Assisted Injection for Dagger
AutoFactory
caster.io
Activity Test Rule
Other great references
Jake Wharton - Architecting Android Applications with Dagger
Awesome picks:
Donn's picks:
Dagger 1 [caster.io]
Intro to RxJava for Android Developers [caster.io]
Intro to Realm for Android Developers [caster.io]
Custom Silicone earbuds [howtogeek.com]
DHH - Reconsider [medium.com]
KG's picks:
Cold start illusion [github.com]
Song Exploder - House of Cards [songexploder.net]
Song Exploder - Game of Thrones [songexploder.net]
Contact us:
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
1 hr 16 min
October 26, 2015020: Talking Kotlin with Hadi Hariri
A tonne of folks have been asking for a show on Kotlin. We got the best person in the business to take us through what could possibly be our new hope.
Show Notes
No tabs in Intellij [hadihariri.com]
Jetbrains products
Java - IntelliJ
.Net - ReSharper
CI server - TeamCity
Issue tracking - YouTrack
Smaller IDES
Web/Node.js - WebStorm
Python/Django - PyCharm
Ruby/Rails - RubyMine
C++ - CLion
ObjectiveC - AppCode
Hadi's 3 tips for Intellij
Don't use the Mouse! Mouseless driven development [vimeo.com]
Cmd Shift A - look up other commands
Don't use the Find box to find things: Prefer shortcuts like Cmd O/Cmd Shift O
Kotlin
Kotlin - An open source JVM targeted language
Jake's doc on Using Project Kotlin for Android [docs.google.com]
Execution in the kingdom of nouns [blogspot.com]
Kotlin : a new hope - talk by Michael Pardo [realm.io]
Tony Hoare saying Null is his Billion dollar mistake [wikipedia.org]
Getting started with Kotlin
Kotlin Tutorials [kotlinlang.org]
Kotlin Koans [kotlinlang.org]
Try Kotlin online : online & interactive [kotlinlang.org]
Kotlin in two minutes [youtube.com]
Kotlin Slack channel [slack.com]
Books:
Antonio's book on Kotlin [leanpub.com]
Kotlin in Action [manning.com]
Kotlin tools
Anko [github.com]
Kotlin Android extensions [kotlinlang.org]
Sample projects with Kotlin
Palette Helper [github.com]
Cinesapp Android Kotlin [github.com]
Kotlin demo [github.com]
Misc
Killing off Wasabi: Part 1 [fogcreek.com]
Killing off Wasabi: Part 2 [fogcreek.com]
Awesome picks:
Hadi Hariri
The collapse of the US-EU Safe Harbor: Solving the new privacy Rubik’s Cube [http://blogs.microsoft.com/]
JavaOne Conference [oracle.com]
Kaushik Gopal
When looking for solutions to a problem, search the source code first before StackOverflow
When working on a feature, change your launcher activity (temporarily) to the one you're working on
Donn Felker
git - assume unchanged [stackoverflow.com]
The Martian Audio Book [amazon.com]
Antonio's book on Kotlin [leanpub.com]
Also check out his blog [antonioleiva.com]
Contact us:
@hhariri [twitter.com]
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
1 hr 25 min
October 15, 2015019: Effective Java for Android developers : Item 4
Singer and Android developer Donn Felker explores Joshua Bloch's fourth Item: Enforce noninstantiability with a private constructor.
Stay tuned, cause we got more of these quick ones coming.
Effective Java (2nd Edition) - Joshua Bloch
Enforce noninstantiability with a private constructor.
Examples where you don't want class to be instantiated
class that groups static methods and static fields (Util like classes think java.lang.Math/java.util.Arrays)
class that groups static methods (including factory methods) for objects implementing specific interfaces (think java.util.Collections)
class that group methods on a final class (vs. extending the class)
Considerations
Makes no sense to instantiate such "Util" classes
Private constructors prevent instantiation
Important side effect: prevents subclassing
Contact us:
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
7 min
October 08, 2015018: Effective Java for Android developers : Item 3
In this mini Fragment, we introduce Joshua's third Item: Enforce the Singleton property with a private constructor or an enum type.
Stay tuned for more items from our "Effective Java for Android developers" Fragment series.
Show Notes
Effective Java (2nd Edition) - Joshua Bloch
Enforce the Singleton property with a private constructor or an enum type
Approaches
Create a public static final INSTANCE variable and privatize constructor
Same as 1 but privatize variable and expose access with provide factory method getInstance
Single element Enums
Considerations
First two approaches are open to Serialization attacks (deserializing creates new instance)
To protect from those declare the fields transient + provide readResolve method
Enums are concise, provide free serialization and ironclad Singleton guarantees and are functionally equivalent to first approach
Supplemental reading (for the diligent ones that follow shownotes)
Dianne Hackborn regretting exposing the base Application class
DH again saying Application is a Singleton with crappier semantics
Elvis sightings
Contact us:
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
12 min
September 21, 2015017: Getting Close with Android Nearby
In this power packed episode, Donn returns... If that wasn't amazing enough, Andrew and Akshay from Google join us to talk about Nearby.
Show Notes
Follow up
Fragmented is on SoundCloud [soundcloud.com]
ViewPropertyAnimator has better performance [twitter.com]
Droid Inspector [sriramramani.com]
Jake Wharton's Scalpel [github.com]
Nearby
100 days of Google Dev, Episode 47/100 - Andrew on Nearby [plus.google.com]
Chromecast Guest mode when Nearby [support.google.com]
Examples/Documentation
google sample for Nearby [github.com]
Nearby official docs [developers.google.com]
Awesome picks for the week:
Andrew:
svg-android [github] and its various forks
inkscape tutorials by Derek Banas [youtube.com]
Akshay
Xiaomi mi band [engadget.com]
DF:
Karma Wifi (donnfelker.com)
Working Remote (modess.io)
KG:
Google Tone - Chrome extension (chrome.google.com)
Contact
Fragmented
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
@andrewbunner [twitter.com]
Akshay's email
Soundcloud
shownotes: http://fragmentedpodcast.com/episodes/17
Contact:
Fragmented: https://twitter.com/fragmentedcast
Donn Felker : https://twitter.com/donnfelker
Kaushik Gopal : https://twitter.com/kaushikgopal
Andrew : https://twitter.com/andrewbunner
Akshay: [email protected]
1 hr 2 min
September 01, 2015016: Effective Java for Android developers : Item 2
In our third Fragment installment, we introduce Josh's second Item: Consider a builder when faced with many constructor parameters.
Stay tuned for more items from our "Effective Java for Android developers" Fragment series.
[audio src="http://traffic.libsyn.com/fragmented/ep_14_fragmented.mp3" preload="none" autoplay="false"]
[Download][1]
Show Notes
Effective Java (2nd Edition) - Joshua Bloch
Consider a builder when faced with many constructor parameters
Patterns available for constructing object with parameters:
Telescoping Constructor Pattern - Provideconstructor with only required parameters, another with a single optional param, a third with 2 optional params... and so on.
Advantage: Works well for small number of parameters
Disadvantage: Does NOT scale well
JavaBeans Pattern - Callparameterless constructor to create the object; then call setter methods to set required parameter and each optional param of interest.
Advantage: Scales well, easy (but wordy) to read resulting code
Disadvantage: Allows inconsistency (if all required params not called); impossible to make classes immutable if using this pattern.
Builder pattern - winner!
Advantage: Simulates named optional parameters; allows immutable objects to be constructed; flexible
Disadvantage: more ceremony to actually construct the Builder Class and finally use.
Example usage from Android source:
AlertDialog Builder [androidxref.com]
Tip:
Use IntelliJ to generate your Builders easily
Contact us:
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
13 min
August 21, 2015015: Amanimations - Animations with Amanda
In this episode we talk to Amanda about how she got started as an Android developer, working at Venmo, her path to mastering Java and Android, dabbling with the dark side and Animations in Android!
Show Notes
Learning Java and Android
Java for Dummies [amazon.com]
Effective Java (2nd Edition) - Joshua Bloch [amazon.com]
Android programming: The Big Nerd Ranch Guide [bignerdranch.com]
Computer Science
CS50 by Harvard University: David Malan [youtube.com]
CS61B by UCBerkely: Jonathan Shewchuk [youtube.com]
MIT 6.00 by MIT Opencourseware [youtube.com]
Venmo
Venmo: The Musical 2015 (lip dub)
Hack Week at Venmo [venmo.com]
Swift/iOS and other languages
Kotlin [kotlinlang.org]
Animations
Snowdream github repo [github.com]
DevBytes youtube playlist
Chet Haase on Animations in Honeycomb [blogspot.com]
Droid Inspector [sriramramani.com]
Android ObservableScrollView [github.com]
Awesome picks for the week:
Amanda
On being a senior engineer [kitchensoap.com]
KG:
Guillotine animation
how we developed the guillotine menu animation for Android [yalantis.com]
how we developed the guillotine menu animation for iOS [yalantis.com]
Timely like Animations
Visualizing the Timely number tweening animation [youtube.com]
Implementing Timely's tweening animation [sriramramani.wordpress.com]
Contact
Amanda
@mandybess [twitter.com]
Fragmented
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
1 hr 5 min
August 10, 2015014: Effective Java for Android developers : Item 1
We've mentioned the book "Effective Java" by Joshua Bloch quite a few times on previous episodes. At this point, everyone knows they should have read this book (quadruple times). But it's a dense read and everyone could use a reading buddy. Also, what does Effective Java look like through the eyes of an Android developer?
In this second installment of our Fragment (a.k.a mini-episode), we thought we'll do our listeners a favor and help with that reading. We introduce the very first of these venerable "Items": Consider providing static factory methods instead of constructors.
Stay tuned for more items from our "Effective Java for Android developers" Fragment series.
Show Notes:
Effective Java (2nd Edition) - Joshua Bloch
Consider providing static factory methods instead of constructors
static factory method makeText for Toast class [androidxref.com]
ObjectAnimator [androidxref.com]:
.ofInt [androidxref.com]
.ofArgb [androidxref.com]
.ofFloat [androidxref.com]
Advantages:
You can control the name and thus give it much more meaningful names
You are not required to create a "new" object each time they are invoked
You can even return an object that's a subtype of the return type (unlike constructors which only return class type)
e.g. Java Collections framework [grepcode.com]
Disadvantages:
Classes without public or protected constructors cannot be subclassed
Static factory methods are not readily distinguishable from other static methods
Takeaways
"Consider" using static factory methods (not always)
Use newInstance when creating Fragments [androiddesignpatterns.com]
Use newIntent static factory method for creating intents inside the target activity.
Contact us:
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
18 min
August 03, 2015013: Corey Latislaw on TDD and Testing
In this episode we revisit the topic of Testing, looking at it from a TDD perspective. Globetrotter, Kata Queen, TDD practitioner and overall boss of Android development - Corey Latislaw, joins us in this episode with thoughts, tips and tricks on pulling off TDD. She also shares some of her wicked sketchnoting tips and made a very special Sketchnote just for this episode! Have a look at the sketchnote here.
Show Notes
GDG [developers.google.com]
GDE [developers.google.com]
GDE Android - Ms.Latislaw [developers.google.com]
GDE Android - Mr.Felker [developers.google.com]
Sketchnoting
The Sketchnote Handbook - Mike Rohde [amazon.com]
Sketchnoting for Techies [coreylatislaw.com]
Corey's Google I/O Sketchnotes [coreylatislaw.com]
Corey's live sketchnoting (with videos) [coreylatislaw.com]
Kids on Computers [kidsoncomputers.org]
Corey's books
Android Activity Book [gumroad.com] (coupon “fragmented” for $5 off)
Android Theory Book [gumroad.com] (coupon “fragmented” for $5 off)
Running Code Coverage in Android Studio [stackoverflow.com]
Katas
Video workshop [gum.co] (coupon “fragmented” for $5 off)
Simple Android app [coreylatistlaw.com]
Robolectric Integration [coreylatistlaw.com]
Awesome picks for the week:
DF:
Stop Using General CTA’s Text - be specific
Founder’s Journey Podcast
Baremetrics - Episode - Build vs. Buy: How to blow $100,000 saving money [soundcloud.com]
KG:
ANTI PATTERNS every programmer should be aware of [sahandsaba.com]
Contact
Corey
@corey_latislaw [twitter.com]
coreylatislaw.com
Fragmented
@fragmentedcast [twitter.com]
@donnfelker [twitter.com]
@kaushikgopal [twitter.com]
1 hr 3 min