This document summarizes the evolution of Android from 2008 to 2014. It saw huge growth in the number of Android devices from 1 in 2008 to over 7,700 in 2014. The market share of Android grew from less than 1% in 2008 to over 80% in 2014. The document also provides overviews of new Android features like Android Wear, Android Auto, Android TV, casting functionality, Material Design, and Bluetooth LE. It discusses APIs for notifications, recommendations, messaging and controlling media across these platforms.

1. Android Evolution
Friedger Müffke
AppForum 2014, Brussels

2. Friedger Müffke
@fmdroid
+FriedgerMüffke
friedger

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Started 2009 in Berlin: 200 participants
In 2015 in 15 locations worldwide
reaching more than 7500 developers
Professionalized community
Droidcon

4. Android in Numbers
2008
● 1 device
● 2000 app entries for ADC I
● < 1 % market share
2014
● 7730 devices
● 1+ million apps
● > 80% market share

5. Android Wear
Context-aware
Glanceable
One thing really fast
Suggest and demand
Notifications and Wear APKs

7. Notifications
extender = new NotificationCompat.WearableExtender()
.setBackground(bitmap)
.addAction(action) // can contain RemoteInput
.addPage(notificationForPage)
builder = new NotificationCompat.Builder(context)
.setSmallIcon(R.drawable.ic_notification)
.extend(extender)
.setGroup(key) // makes the notif. wear only
.setGroupSummary(true) // if summary not present
.setLocalOnly(true);

8. Android Auto
Media apps
Messages apps

9. Android Auto - Messages
<automotiveApp>
<uses name="notification" />
</automotiveApp>
unreadConvBuilder = new UnreadConversation.Builder(participantName);
unreadConvBuilder.addMessage(messageString);
notificationBuilder.extend(new CarExtender()
.setUnreadConversation(unreadConvBuilder.build());

10. Android TV
TV Live apps
TV Playback apps
TV Games

11. Android TV - Recommendations
notification = new NotificationCompat.Builder(context)
.setContentTitle(movie.getTitle())
.setContentText(movie.getDescription())
.setContentInfo(APP_NAME)
.setGroup("ActionMovies")
.setSortKey("0.8")
.setPriority(movie.getPriority())
.setColor(#FFFF2020)
.setCategory("recommendation")
.setExtras(extras)
.build();

12. Casting
Any device to screen
Receiver app in HTML
Various sender apps

13. Casting - Android Sender
MediaRouter to select route/device
GoogleApiClient.connect
Cast.CastApi.launchApplication
Cast.CastApi.sendMessage

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Android EveryWear

15. Material Design
Material is the
metaphor
Bold, graphic,
intentional
Motion provides
meaning

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19. Material Design Animations
Activity Animations
Ripples
Animated Vector Drawable

20. Document-Centric Approach
more Tasks
persist intent delegation
getRecentTasks deprecated

21. Document-Centric Approach
FLAG_ACTIVITY_NEW_DOCUMENT
FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET
Multi-task button
DocumentProvider
ACTION_OPEN_DOCUMENT
ACTION_CREATE_DOCUMENT

22. Bluetooth Low Energy
Android Device can act as peripheral
Filter devices on scanning
adv = getBluetoothLeAdvertiser();
adv.startAdvertising(settings, data, cb);
startLeScan(cb)
startScan(filters, settings, cb);

23. more new APIs
RecyclerView
ScrollView.onNestedScroll()
Heads-up Notifications
Lockscreen privacy / Notification.setVisibility()
JobScheduler

24. Google Play Service 6.5
Maps Toolbar, lite mode
‘Donate with Google’ button
Google Fit SDK activity segments
One common lib plus the ones that are required
WebView via Google Play

25. Android Work
Managed Profiles
Device Owners
Device Policy manager - NFC provisioning
Kiosk mode/Screen pinning
Samsung Knoxx

26. What else is new?
64 bit
ART - better gc
gradle
batterystats tool
Android apps on Chrome

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