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How to be a better Android Developer
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Nevin
April 23, 2016
Programming
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How to be a better Android Developer
Android Taipei , April 2016
Nevin
April 23, 2016
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Transcript
Agenda • How to be a better Android developer •
Working Remotely
How to be a better Android developer
Topics • Work with legacy code - Refactor • Write
new code - Architecture • Re-inventing Wheels - Open Source Library • Learn and grow - Nevin’s Choice
Not rewrite Refactor
Refactor • For - Performance, Maintenance , Flexibility • When
- Fix bug, add feature, code review • How - Write Test First • Books : working effetely with legacy code & Refactor
Refactor • Long Method • Highly Coupled
Bad smell • Long Method • if condition • switch
statement • too many comment • for loop
Testing • Unit Test • Instrumentation / Integration Test
Espresso • https://caster.io/episodes/episode-1-android- testing-getting-started-with-espresso-2-0/ • Test Runner • Rule •
TDD
Adding a indirect layer Architecture
Architecture • Why extra layer? • Find bugs easily •
Fix bug easily • Add feature easily • Reduce bug / regression
Architecture • To enable sharing of logic • To explain
intention and implementation separately • To isolate change
Architecture • No architecture • MVP • Clean Architecture •
Redux
Package Structure • Package by component • Activity / Fragment
• Network • Utils.. • Package by feature • Add note • List note • View note detail
MVP • Model View Presenter • Model • View •
Presenter
MVP • Class Diagram • Sequence Diagram • Case Study
- Code Review Live
Clean Architecture
Redux / Flux
Architecture • MVP • Clean Architecture • Redux / Flux
Joy to the world Open Source Library
Re-Inventing Wheel • Design support / AppCompat library • Butterknife
• Dagger • Retrofit • Picasso • rxJava (rxRelay,rxAndroid) • Retrolambda • Realm
Re-Inventing Wheel • Install Code Snippet • Usage
In your commute, when you do the dishes Nevin’s Choice
Learn & Grow • Android Weekly • Fragmented Podcast •
Testing • Refactoring • Paid Training • Classic books
Sample Repo • u2020 • android-testing • ioschec
Classic Books • Refactoring • Effective Java • The Mythical
Man Month • Apprenticeship Patterns • Joel On Software / More … • Rework
Bonus: Things I wish I knew • Learn a different
language / paradigm • Read Android Source Code instead of SO • Join Conferences and Meetups • Conduct Public Speaking ( Conference oriented learning)
犢অమ蚤य़疑藯扖 犢మᥝ藯 ̿౯অమ褛౯ᇁᇁૡ֢̀ 薥ৼ珿絑ह 籧蝨Top Developer 磧మᥝ蝱݄ጱૡ֢肬䁰
Working Remotely and make your family happy http://fragmentedpodcast.com/episodes/036/
Benefit - for employee • Remote developers love their job
(Stackoverflow developer survey 2016 ) • Commute - Free • More control in life
Benefit - for employer • Bigger talent pool • You
help the world • 37 Signal
Tips • Communicate 4 times harder • Networking • Growth
• Source : remoteok.io , angelist.co
How? • Its all mental.
Nevin Chen http://nevinchen.com