Introduction to Android Wear

An Introduction to

+Sebastian MauerAndroid GDEGDG Dublin DevFest, November 1st 2014

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you talk to the wearable

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actions

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the wearable talks to you

actions

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actions

context

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Launched automatically

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Glanceable

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Suggest and demand

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Zero or low interaction

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Notifications Apps

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Notifications

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NO WORK REQUIRED

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NO WORK REQUIRED

RepliesPagesStacks

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Notifications

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Apps

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Send data Custom UI Voice Actions

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Node

Data

Message

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PendingResult<GetConnectedNodesResult> getConnectedNodes(GoogleApiClient);client);

Method

public interface NodeListener { void onPeerConnected(Node peer); void onPeerDisconnected(Node peer);}

Listener

Node#androidwear

PendingResult<SendMessageResult> sendMessage(GoogleApiClient client, String nodeId, String action, byte[] data);

Method

public interface MessageListener { void onMessageReceived(MessageEvent messageEvent);}

Listener

Message#androidwear

PendingResult<DataItemResult>putDataItem(GoogleApiClient client, PutDataRequest request);

PendingResult<DataItemResult>getDataItem(GoogleApiClient client, Uri uri);

Methods

public interface DataListener { void onDataChanged(DataEventBuffer dataEvents);}

Listener

Data#androidwear

<service android:name=".MyListenerService" ><intent-filter>

<action android:name="com.google.android.gms.wearable.BIND_LISTENER" /> </intent-filter></service>

Intent Filter

public class MyListenerService extends WearableListenerService { ...}

Service

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dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.google.android.support:wearable:+' compile 'com.google.android.gms:play-services-wearable:+'}

build.gradle

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● BoxInsetLayout

● Card Fragment

● CircledImageView

● ConfirmationActivity

● DismissOverlayView

● GridViewPager

● GridPagerAdapter

● FragmentGridPagerAdapter

● WatchViewStub


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<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>

System provided voice action

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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

<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>

App provided voice action

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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);}

Speech Recognizer

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Notifications Apps

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What’s next?Getting Started with Android Weardeveloper.android.com/wear

Design for Android Weardeveloper.android.com/design/wear

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+Sebastian MauerAndroid GDEGDG Dublin DevFest, November 1st 2014

Thanks!Any questions?

Introduction to Android Wear

Devices & Hardware

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