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
2. APPLICATION INTELLIGENT SMOOTH INVISIBLE EFFICIENT RELIABLE FRESH
3. FRESHNESS
4. FRESHNESS Fresher - more battery drain
5. FRESHNESS Fresher - more battery drain Location update
6. FRESHNESS LOCATION UPDATE Use Passive Location Provider
7. FRESHNESS LOCATION UPDATE Use Passive Location Provider String passProvider = LocationManager.PASSIVE_PROVIDER; locManager.requestLocationUpdates(passProvider,minTime, minDistance, locListener);
8. FRESHNESS LOCATION UPDATE Use Passive Location Provider Location listener + Broadcast intents => getting location when your application is not running
9. FRESHNESS LOCATION UPDATE General flow : get providers get accuracy set current data
10. FRESHNESS LOCATION UPDATE General flow : get providers get accuracy set current data Monitor the best provider !
11. FRESHNESS Fresher - more battery drain Location update Data update
12. FRESHNESS DATA UPDATE How frequently do you do this ?
13. FRESHNESS DATA UPDATE How frequently do you do this ? Alarms Wakeup vs. NonWakeup
14. FRESHNESS DATA UPDATE How frequently do you do this ? Alarms Wakeup vs. NonWakeup twice a day every 30 min
15. FRESHNESS DATA UPDATE Connectivity without: stop alarms poor: less frequent updates Battery Manager charged: go update not charged: less updates
16. INTELLIGENCE
17. INTELLIGENCE Give as many suggestions as you can
18. INTELLIGENCE Give as many suggestions as you can AccountManager Autocompletion
19. INTELLIGENCE Give as many suggestions as you can AccountManager Autocompletion Sync devices
20. INTELLIGENCE Give as many suggestions as you can AccountManager Autocompletion Sync devices Backup your application data
21. SMOOTHNESS
22. SMOOTHNESS Fast, responsive and consistent
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
24. INVISIBILITY
25. INVISIBILITY “Queue and Send” Pattern check(connection); if(!connected){ ! ! addQueue; ! } else if(!action){ ! ! ! ! addQueue; } ! retry later;
26. INVISIBILITY Stick to the design guidelines - use standard patterns d.android.com/design
27. INVISIBILITY LESS is MORE more functionality in less actions Stick to the design guidelines - use standard patterns d.android.com/design
28. INVISIBILITY Droidcon Bucharest 2012 Android UI/UX - Best Practices : http://goo.gl/vJBSU
29. EFFICIENCY
30. EFFICIENCY Low battery draining
31. EFFICIENCY How cell radio works
32. EFFICIENCY How cell radio works
33. EFFICIENCY Bundle Cache Intelligent updates
34. RELIABILITY image provided by androidify.com Test your applications
35. WRAPPING UP Build your FRESH, INTELLIGENT and SMOOTH apps Remain invisible Efficiency is your main aim Don’t forget about being reliable
36. QUESTIONS ?
37. THANK YOU ! Eugeniu Arbuleac @arbuleac arbuleac.ev@gmail.com Andrei Catinean @electryc andrei.catinean@gmail.com