What to expect when you're expecting to write an Android app

An introduction to writing Android apps, given at a local GDG meetup.

Transcript

1. What to expect when
   you're expecting to write
   an Android app
   Dan Lew
   @danlew42
   

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2. • Android
   Studio
   • apt
   • adb
   • Calligraphy
   • ButterKnife
   • dex
   • dexmaker
   • Retrolambda
   • OkHttp
   • Phrase
   • Picasso
   • Genymotion
   • Dagger
   • RxJava
   • RxAndroid
   • RxBinding
   • RxLifecycle
   • RxRelay
   • RxLint
   • Support
   library
   • Design
   support
   library
   • Palette
   • CardView
   • RecyclerVie
   w
   • Test support
   library
   • App compat
   • LeakCanary
   • Otto
   • EventBus
   • Gson
   • Stethp
   • SqlBrite
   • SqlDelight
   • Retrofit
   • Tape
   • Timber
   • Navi
   • OrmLite
   • Process
   Phoenix
   • Google Play
   Services
   • Firebase
   • RoundedIma
   geView
   • Subsamplin
   g Scaling
   ImageView
   • Victor
   • joda-time
   • joda-time-
   android
   • auto-value
   • auto-value-
   gson
   • auto-value-
   parcelable
   • android-apt
   • Apache
   commons
   • BetterPicker
   s
   • Crashlytics
   • gradle-
   versions-
   plugin
   • Hugo
   • Quantcast
   • Mockito
   • Sticky List
   Headers
   • Error Prone
   • Hierarchy
   Viewer
   • systrace
   • Gradle
   • Logcat
   • Pro guard
   

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5. Tools
   

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6. Google Nexus
   

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7. Android Studio
   

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8. USB Cable
   

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9. Becoming a Developer
   

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10. Concepts
    

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11. Concepts
    • Context
    • Lifecycles
    • Intents
    • Permissions
    • Configuration
    

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12. Components
    • Activities
    • Services
    • Broadcast Receivers
    • Content Providers
    

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13. Activity
    • Views
    • ViewGroups
    • findViewById()
    

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14. Structure
    

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15. Manifest
    Your app’s API
    

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16. Java
    All your code
    

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17. Resources
    Layouts, images, values,
    configuration, etc…
    

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18. Gradle
    Build configuration
    

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19. Important Libraries
    

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20. Google Support Libraries
    • Backwards-compatible implementations
    • AppCompat
    • New features
    

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21. Google Play Services /
    Firebase
    • (Mostly) free Google services
    • Ties you to Google-approved devices
    

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22. Networking
    • Most apps require internet
    • HTTP: OkHttp
    • REST: Retrofit
    

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23. Rookie Mistakes
    • Developing for a single screen size
    • Mishandling configuration changes
    • Using implicit intents
    • Blocking the main thread
    • Overstuffing Activity
    • Forgetting internet permission
    • Following Google 100%
    

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24. Catching Mistakes
    • Android Lint
    • StrictMode
    

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25. First Release Checklist
    • Some things can (or should) never change…
    • Package name
    • Signing certificate
    • Manifest API
    • Crash logger
    • Publishing Google account
    

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26. Education
    

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27. Java
    • The Internet
    • Head First Design Patterns
    • Effective Java
    

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28. Android
    • The Internet
    • Android documentation
    • The Busy Coder's Guide to Android Development
    

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29. Training
    • Android @ Udacity
    • Google Study Jams
    • Paid training
    

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30. Open Source
    • AOSP: https://source.android.com/
    • u2020: https://github.com/JakeWharton/u2020
    • iosched: https://github.com/google/iosched
    • …And much, much more!
    

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31. Questions?
    @danlew42
    Slides: https://goo.gl/UWDwjv
    

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