Android Advanced Techniques

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ANDROID ADVANCED TECHNIQUES Eugeniu Arbuleac @arbuleac [email protected] Andrei Catinean @electryc [email protected]

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APPLICATION INTELLIGENT SMOOTH INVISIBLE EFFICIENT RELIABLE FRESH

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FRESHNESS

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FRESHNESS Fresher - more battery drain

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FRESHNESS Fresher - more battery drain Location update

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FRESHNESS LOCATION UPDATE Use Passive Location Provider

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

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

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

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

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FRESHNESS Fresher - more battery drain Location update Data update

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FRESHNESS DATA UPDATE How frequently do you do this ?

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

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

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

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INTELLIGENCE

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INTELLIGENCE Give as many suggestions as you can

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INTELLIGENCE Give as many suggestions as you can AccountManager Autocompletion

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

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

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SMOOTHNESS

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SMOOTHNESS Fast, responsive and consistent

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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

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INVISIBILITY

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

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

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

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

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EFFICIENCY

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EFFICIENCY Low battery draining

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EFFICIENCY How cell radio works

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EFFICIENCY How cell radio works

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EFFICIENCY Bundle Cache Intelligent updates

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RELIABILITY image provided by androidify.com Test your applications

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

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QUESTIONS ?

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THANK YOU ! Eugeniu Arbuleac @arbuleac [email protected] Andrei Catinean @electryc [email protected]