Jump starting your Android development

Guest lecture at University of Bristol Computer science course.

Slides are copyright Scott Alexander-Bown 2015

Transcript

1. JUMP STARTING ANDROID
   SCOTT ALEXANDER-BOWN
   @scottyab
   

   View Slide

2. TEXT
   @scottyab
   

   View Slide

3. • Lead Android Dev (remote) at Intohand
   • Co-Author - Android Security Cookbook
   • Co-Founder of SWmobile
   Scott Alexander-Bown
   @scottyab
   

   View Slide

4. TEXT
   AGENDA
   ▸Getting started (with app development)
   ▸Development tips and tricks
   ▸Sample apps
   ▸3rd party services
   ▸Q&A
   @scottyab
   

   View Slide

5. GETTING STARTED
   

   View Slide

6. View Slide

7. View Slide

8. View Slide

9. View Slide

10. View Slide

11. TEXT
    TESTING
    ▸ 3G/4G and Wifi (and without connection)
    ▸ Use emulators (geny motion)
    ▸ But use real devices
    ▸ Beta test
    ▸ Friends
    ▸ Family
    ▸ Helpful customers
    @scottyab
    

    View Slide

12. TEXT
    TIPS
    ▸ Lock to portrait
    ▸ Focus on limited devices
    ▸ Test on demo devices
    ▸ Target SDK 15+ (maybe even 21+)
    ▸ String cont for intent extras / pref keys
    ▸ Avoid Child Fragments
    @scottyab
    

    View Slide

13. TIPS AND TRICKS
    

    View Slide

14. View Slide

15. NAV MENU
    SNACKBAR
    TABS
    COORDINATOR
    FLOATING ACTION BUTTON
    MORE…
    compile 'com.android.support:design:22.2.0'
    UI:DESIGN SUPPORT LIB
    

    View Slide

16. https://github.com/JakeWharton/butterknife
    UI: BUTTER KNIFE
    

    View Slide

17. ASYNC LOAD IMAGES
    TRANSFORM
    https://github.com/square/picasso
    UI: PICASSO
    

    View Slide

18. CONVERT JAVA OBJECTS
    INTO JSON AND BACK
    https://github.com/google/gson
    API: GSON
    

    View Slide

19. TYPE-SAFE HTTP CLIENT
    MAKES APIS EASY
    SIMPLE ASYNC
    https://github.com/square/retrofit
    API: RETROFIT
    

    View Slide

20. View Slide

21. https://github.com/greenrobot/EventBus
    ASYNC: EVENT BUS
    

    View Slide

22. SIMPLE API
    AES-GCM
    FAST
    https://github.com/facebook/conceal
    SECURITY: CONCEAL
    

    View Slide

23. ON-TOP OF SQLITE
    OBJECT BASED
    NO SQL
    SUPPORTS ENCRYPTION
    https://realm.io/news/realm-for-android/
    DATA: RELAM
    

    View Slide

24. SIMPLE LOCATION API
    GEO FENCING
    GEO CODING
    ACTIVITY RECOGNITION
    https://github.com/mrmans0n/smart-location-lib
    LOCATION: SMART LOCATION LIB
    

    View Slide

25. compile 'com.google.android.gms:play-services:8.1.0'
    GOOGLE PLAY SERVICES
    Analytics and Ads
    GCM (push)
    Google Maps
    Cast
    Play Games services
    Wallet
    Android Wear
    Google Drive
    Fitness
    

    View Slide

26. T
    ANDROID-ARSENAL.COM
    

    View Slide

27. SAMPLE APPS
    

    View Slide

28. TEXT
    SAMPLE APPS
    ▸ github.com/google/iosched
    ▸ github.com/googlesamples/android-topeka
    ▸ github.com/nickbutcher/plaid
    ▸ github.com/chrisbanes/philm
    ▸ github.com/JakeWharton/u2020
    ▸ github.com/grandstaish/hello-mvp-dagger-2
    @scottyab
    

    View Slide

29. 3RD PARTY SERVICES
    (MBAAS)
    

    View Slide

30. MBAAS??? WTF?
    

    View Slide

31. OWNED BY FACEBOOK
    PARSE.COM
    ▸ Data store
    ▸ Users
    ▸ Accounts
    ▸ Social auth (twitter/facebook)
    ▸ Cloud code / hosting
    ▸ Push notifications
    ▸ Analytics
    ▸ Multi platform (incl embedded C)
    

    View Slide

32. OWNED BY GOOGLE
    FIREBASE
    ▸ Realtime Database
    ▸ Authentication
    ▸ email & password, Facebook, Twitter, GitHub, Google, anonymous auth
    ▸ Hosting
    

    View Slide

33. TWITTER’S FABRIC PLATFORM
    

    View Slide

34. THE END?
    

    View Slide

35. TEXT
    RESOURCES
    ▸ Design inspiration http://www.materialup.com
    ▸ OWASP Mobile security risks http://bit.ly/owaspmobile
    ▸ Android security cookbook [my book] http://bit.ly/MscEFu
    ▸ The Busy Coder's Guide to Android Development https://
    wares.commonsware.com/#scottyab (referral link)
    ▸ GCM network manager - https://developers.google.com/cloud-messaging/
    network-manager
    @scottyab
    

    View Slide

36. QUESTIONS?
    THANKS
    meetup.com/swmobile
    github/scottyab
    @scottyab
    dev@scottyab.com
    

    View Slide