Android Advanced Techniques

Me and my friend Eugeniu Arbuleac had the pleasure to speak about some advanced techniques in developing Android apps at the GDG Timisoara Inaugural Event.

Transcript

1. ANDROID ADVANCED TECHNIQUES
   Eugeniu Arbuleac
   @arbuleac
   arbuleac.ev@gmail.com
   Andrei Catinean
   @electryc
   andrei.catinean@gmail.com
   

   View Slide

2. APPLICATION
   INTELLIGENT
   SMOOTH
   INVISIBLE
   EFFICIENT
   RELIABLE
   FRESH
   

   View Slide

3. FRESHNESS
   

   View Slide

4. FRESHNESS
   Fresher - more battery drain
   

   View Slide

5. FRESHNESS
   Fresher - more battery drain
   Location update
   

   View Slide

6. FRESHNESS
   LOCATION UPDATE
   Use Passive Location Provider
   

   View Slide

7. FRESHNESS
   LOCATION UPDATE
   Use Passive Location Provider
   String passProvider = LocationManager.PASSIVE_PROVIDER;
   locManager.requestLocationUpdates(passProvider,minTime, minDistance, locListener);
   

   View Slide

8. FRESHNESS
   LOCATION UPDATE
   Use Passive Location Provider
   Location listener + Broadcast intents
   =>
   getting location when your application is not running
   

   View Slide

9. FRESHNESS
   LOCATION UPDATE
   General flow : get providers get accuracy set current data
   

   View Slide

10. FRESHNESS
    LOCATION UPDATE
    General flow : get providers get accuracy set current data
    Monitor the best provider !
    

    View Slide

11. FRESHNESS
    Fresher - more battery drain
    Location update
    Data update
    

    View Slide

12. FRESHNESS
    DATA UPDATE
    How frequently do you do this ?
    

    View Slide

13. FRESHNESS
    DATA UPDATE
    How frequently do you do this ?
    Alarms Wakeup vs. NonWakeup
    

    View Slide

14. FRESHNESS
    DATA UPDATE
    How frequently do you do this ?
    Alarms Wakeup vs. NonWakeup
    twice a day every 30 min
    

    View Slide

15. FRESHNESS
    DATA UPDATE
    Connectivity
    without: stop alarms
    poor: less frequent updates
    Battery Manager
    charged: go update
    not charged: less updates
    

    View Slide

16. INTELLIGENCE
    

    View Slide

17. INTELLIGENCE
    Give as many suggestions as you can
    

    View Slide

18. INTELLIGENCE
    Give as many suggestions as you can
    AccountManager Autocompletion
    

    View Slide

19. INTELLIGENCE
    Give as many suggestions as you can
    AccountManager Autocompletion
    Sync devices
    

    View Slide

20. INTELLIGENCE
    Give as many suggestions as you can
    AccountManager Autocompletion
    Sync devices Backup your application data
    

    View Slide

21. SMOOTHNESS
    

    View Slide

22. SMOOTHNESS
    Fast, responsive and consistent
    

    View Slide

23. SMOOTHNESS
    Fast, responsive and consistent
    Move all your tasks to background - use AsyncTask and Loader API
    Droidcon Bucharest 2012 Roman Mazur keynote - http://goo.gl/XR5HU
    

    View Slide

24. INVISIBILITY
    

    View Slide

25. INVISIBILITY
    “Queue and Send” Pattern
    check(connection);
    if(!connected){
    !
    ! addQueue;
    !
    } else if(!action){
    ! !
    ! ! addQueue;
    }
    !
    retry later;
    

    View Slide

26. INVISIBILITY
    Stick to the design guidelines - use standard patterns
    d.android.com/design
    

    View Slide

27. INVISIBILITY
    LESS is MORE
    more functionality in less actions
    Stick to the design guidelines - use standard patterns
    d.android.com/design
    

    View Slide

28. INVISIBILITY
    Droidcon Bucharest 2012 Android UI/UX - Best Practices : http://goo.gl/vJBSU
    

    View Slide

29. EFFICIENCY
    

    View Slide

30. EFFICIENCY
    Low battery draining
    

    View Slide

31. EFFICIENCY
    How cell radio works
    

    View Slide

32. EFFICIENCY
    How cell radio works
    

    View Slide

33. EFFICIENCY
    Bundle Cache Intelligent updates
    

    View Slide

34. RELIABILITY
    image provided by
    androidify.com
    Test your applications
    

    View Slide

35. WRAPPING UP
    Build your FRESH, INTELLIGENT and SMOOTH apps
    Remain invisible
    Efficiency is your main aim
    Don’t forget about being reliable
    

    View Slide

36. QUESTIONS ?
    

    View Slide

37. THANK YOU !
    Eugeniu Arbuleac
    @arbuleac
    arbuleac.ev@gmail.com
    Andrei Catinean
    @electryc
    andrei.catinean@gmail.com
    

    View Slide