How to be a better Android Developer

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Agenda • How to be a better Android developer • Working Remotely

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How to be a better Android developer

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Topics • Work with legacy code - Refactor • Write new code - Architecture • Re-inventing Wheels - Open Source Library • Learn and grow - Nevin’s Choice

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Not rewrite Refactor

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Refactor • For - Performance, Maintenance , Flexibility • When - Fix bug, add feature, code review • How - Write Test First • Books : working effetely with legacy code & Refactor

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Refactor • Long Method • Highly Coupled

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Bad smell • Long Method • if condition • switch statement • too many comment • for loop

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Testing • Unit Test • Instrumentation / Integration Test

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Espresso • https://caster.io/episodes/episode-1-android- testing-getting-started-with-espresso-2-0/ • Test Runner • Rule • TDD

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Adding a indirect layer Architecture

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Architecture • Why extra layer? • Find bugs easily • Fix bug easily • Add feature easily • Reduce bug / regression

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Architecture • To enable sharing of logic • To explain intention and implementation separately • To isolate change

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Architecture • No architecture • MVP • Clean Architecture • Redux

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Package Structure • Package by component • Activity / Fragment • Network • Utils.. • Package by feature • Add note • List note • View note detail

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MVP • Model View Presenter • Model • View • Presenter

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MVP • Class Diagram • Sequence Diagram • Case Study - Code Review Live

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Clean Architecture

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Redux / Flux

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Architecture • MVP • Clean Architecture • Redux / Flux

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Joy to the world Open Source Library

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Re-Inventing Wheel • Design support / AppCompat library • Butterknife • Dagger • Retroﬁt • Picasso • rxJava (rxRelay,rxAndroid) • Retrolambda • Realm

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Re-Inventing Wheel • Install Code Snippet • Usage

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In your commute, when you do the dishes Nevin’s Choice

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Learn & Grow • Android Weekly • Fragmented Podcast • Testing • Refactoring • Paid Training • Classic books

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Sample Repo • u2020 • android-testing • ioschec

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Classic Books • Refactoring • Effective Java • The Mythical Man Month • Apprenticeship Patterns • Joel On Software / More … • Rework

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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)

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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

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Working Remotely and make your family happy http://fragmentedpodcast.com/episodes/036/

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Beneﬁt - for employee • Remote developers love their job (Stackoverﬂow developer survey 2016 ) • Commute - Free • More control in life

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Beneﬁt - for employer • Bigger talent pool • You help the world • 37 Signal

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Tips • Communicate 4 times harder • Networking • Growth • Source : remoteok.io , angelist.co