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

Transcript

1. What to expect when you're expecting to write an Android

   app Dan Lew @danlew42

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
3. None
4. None

5. Tools

6. Google Nexus

7. Android Studio

8. USB Cable

9. Becoming a Developer

10. Concepts

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

    Configuration

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

    Providers

13. Activity • Views • ViewGroups • findViewById()

14. Structure

15. Manifest Your app’s API

16. Java All your code

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

18. Gradle Build configuration

19. Important Libraries

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

    features

21. Google Play Services / Firebase • (Mostly) free Google services

    • Ties you to Google-approved devices

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

    REST: Retrofit

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%

24. Catching Mistakes • Android Lint • StrictMode

25. First Release Checklist • Some things can (or should) never

    change… • Package name • Signing certificate • Manifest API • Crash logger • Publishing Google account

26. Education

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

    Effective Java

28. Android • The Internet • Android documentation • The Busy

    Coder's Guide to Android Development

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

    Paid training

30. Open Source • AOSP: https://source.android.com/ • u2020: https://github.com/JakeWharton/u2020 • iosched:

    https://github.com/google/iosched • …And much, much more!

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