This document discusses Android Wear and provides an overview of its key features and capabilities. It describes how Android Wear allows communication between wearables and mobile devices through actions, notifications, data sharing and voice commands. It also lists some common UI elements and libraries for Android Wear apps and how to set up notifications, voice actions and data syncing between wearable and mobile devices.

1. An Introduction to
+Sebastian Mauer
GDG Dublin DevFest, November 1st 2014 Android GDE

2. #androidwear

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11. you talk to the
wearable
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12. actions
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13. actions
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14. the wearable
talks to you
actions
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15. actions
context
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16. actions
context
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18. Launched automatically
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19. Glanceable
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20. Suggest and demand
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21. Zero or low interaction
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23. Notifications Apps
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24. Notifications
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NO WORK
REQUIRED

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NO WORK
REQUIRED

30. Stacks Pages Replies
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31. Notifications
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32. Apps
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33. Send data Custom UI Voice
Actions
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35. Node
Message
Data
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36. Method
PendingResult<GetConnectedNodesResult>
getConnectedNodes(GoogleApiClient);
client);
Listener
public interface NodeListener {
void onPeerConnected(Node peer);
void onPeerDisconnected(Node peer);
}
Node
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37. Method
PendingResult<SendMessageResult>
sendMessage(GoogleApiClient client, String nodeId, String action, byte[] data);
Listener
public interface MessageListener {
void onMessageReceived(MessageEvent messageEvent);
}
Message
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38. Methods
PendingResult<DataItemResult>
putDataItem(GoogleApiClient client, PutDataRequest request);
PendingResult<DataItemResult>
getDataItem(GoogleApiClient client, Uri uri);
Listener
public interface DataListener {
void onDataChanged(DataEventBuffer dataEvents);
}
Data
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39. Service
public class MyListenerService extends WearableListenerService {
...
}
Intent Filter
<service android:name=".MyListenerService" >
<intent-filter>
<action android:name="com.google.android.gms.wearable.BIND_LISTENER" />
</intent-filter>
</service>
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40. Send data Custom UI Voice Actions
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44. build.gradle
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.google.android.support:wearable:+'
compile 'com.google.android.gms:play-services-wearable:+'
}
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45. #androidwear
● BoxInsetLayout
● Card Fragment
● CircledImageView
● ConfirmationActivity
● DismissOverlayView
● GridViewPager
● GridPagerAdapter
● FragmentGridPagerAdapter
● WatchViewStub

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● BoxInsetLayout
● Card Fragment
● CircledImageView
● ConfirmationActivity
● DismissOverlayView
● GridViewPager
● GridPagerAdapter
● FragmentGridPagerAdapter
● WatchViewStub

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● BoxInsetLayout
● Card Fragment
● CircledImageView
● ConfirmationActivity
● DismissOverlayView
● GridViewPager
● GridPagerAdapter
● FragmentGridPagerAdapter
● WatchViewStub

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● BoxInsetLayout
● Card Fragment
● CircledImageView
● ConfirmationActivity
● DismissOverlayView
● GridViewPager
● GridPagerAdapter
● FragmentGridPagerAdapter
● WatchViewStub

49. Send data Custom UI Voice
Actions
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51. System provided voice action
<activity android:name="MyNoteActivity">
<intent-filter>
<action android:name="android.intent.action.SEND" />
<category android:name="com.google.android.voicesearch.SELF_NOTE" />
</intent-filter>
</activity>
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● Call a car/taxi
● Take a note
● Set alarm
● Set timer
● Start/Stop a bike ride
● Start/Stop a run
● Start/Stop a workout
● Show heart rate
● Show step count

53. App provided voice action
<activity android:name="StartRunActivity" android:label="MyRunningApp">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
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54. Speech Recognizer
private void displaySpeechRecognizer() {
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
startActivityForResult(intent, SPEECH_REQUEST_CODE);
}
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55. Notifications Apps
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56. What’s next?
Getting Started with Android Wear
developer.android.com/wear
Design for Android Wear
developer.android.com/design/wear
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57. +Sebastian Mauer
Thanks!
Any questions?
GDG Dublin DevFest, November 1st 2014 Android GDE