What's new in Android Wear 2.0

This deck is showing some of the new features introduced with the version 2.0 of Android Wear, including:
- new notifications design and user interactions
- standalone wearable applications
- new UI elements
- Complications API

1. What’s new in Android Wear 2.0 Daniele Bonaldo
2. Daniele Bonaldo Android Developer
3. Notifications
4. Notifications Wear 1.x Wear 2.0 Large icon Content Text Content Title Small Icon http://developer.android.com/wear
5. Collapsed Notifications Inline Action http://developer.android.com/wear
6. Expanded Notifications Actions drawer http://developer.android.com/wear
7. Installation on Wear 1.x
8. Installation on Wear 2.0
9. Stand-alone apps <application> ... <meta-data android:name="com.google.android.wearable.standalone" android:value="true" /> ... </application>
10. Stand-alone apps android { publishNonDefault true ... productFlavors { wear1 { minSdkVersion 23 } wear2 { minSdkVersion 25 } } }
11. Network connection on Wear 1.x
12. Network connection on Wear 2.0
13. Network availability http://developer.android.com/wear
14. Darker theme http://developer.android.com/wear
15. Consider different screen shapes http://developer.android.com/wear
16. Consider different screen shapes http://developer.android.com/wear
17. Display shape resource qualifiers http://developer.android.com/wear
18. WearableRecyclerView <android.support.v7.widget.RecyclerView
 android:id="@+id/recycler_view"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:scrollbars="vertical" />
19. WearableRecyclerView <android.support.wearable.view.WearableRecyclerView
 android:id="@+id/recycler_view"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:scrollbars="vertical" />
20. Linear scroll public class CircularChildLayoutManager extends CurvedChildLayoutManager {
 
 // ...
 
 @Override
 public void updateChild(View child, WearableRecyclerView parent) {
 super.updateChild(child, parent);
 
 child.setScaleX(...);
 child.setScaleY(...);
 }
 }
21. Circular scroll recyclerView.setCircularScrollingGestureEnabled(true);
 recyclerView.setBezelWidth(0.5f);
 recyclerView.setScrollDegreesPerScreen(90);
22. Navigation Drawer
23. Action Drawer
24. Multi-function Buttons
25. Multi-function Buttons @Override
 public boolean onKeyDown(int keyCode, KeyEvent event) { if (event.getRepeatCount() == 0) { if (keyCode == KeyEvent.KEYCODE_STEM_1) {
 // Do stuff return true;
 } } return super.onKeyDown(keyCode, event);
 }
26. Multi-function Buttons KeyEvent.KEYCODE_STEM_1 KeyEvent.KEYCODE_STEM_2 KeyEvent.KEYCODE_STEM_3 WearableButtons.getButtonCount(context) WearableButtons.getButtonInfo(context, keycode) WearableButtons.getButtonIcon(context, keycode)
27. Rotatory input TIMER 01:00
28. Rotatory input public class CustomView extends View { // ... @Override
 public boolean onGenericMotionEvent(MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_SCROLL && RotaryEncoder.isFromRotaryEncoder(event)) { float delta = -RotaryEncoder.getRotaryAxisValue(event) * RotaryEncoder.getScaledScrollFactor(getContext());
 // Update view depending on delta return true; } return super.onGenericMotionEvent(event);
 } // ... }
29. Complications IWC Portugieser Perpetual Calendar
30. Android Wear and complications
31. Watch face Data provider Android Wear Update request Complication data Complication data
32. Different types https://developer.android.com/wear
33. Watch face Data provider Android Wear
34. AndroidManifest.xml <service android:name=".CustomComplicationProviderService"
 android:label="@string/complications_provider_label"
 android:icon=“@drawable/complications_provider_icon" android:permission="com.google.android.wearable.permission.BIND_COMPLICATION_PROVIDER">
 
 <intent-filter>
 <action android:name="android.support.wearable.complications.ACTION_COMPLICATION_UPDATE_REQUEST"/>
 </intent-filter>
 
 <meta-data android:name="android.support.wearable.complications.SUPPORTED_TYPES"
 android:value=“SHORT_TEXT, ICON"/>
 
 <meta-data android:name="android.support.wearable.complications.UPDATE_PERIOD_SECONDS"
 android:value=“360"/> 
 </service>
35. CustomComplicationProviderService @Override public void onComplicationActivated( int complicationId, int dataType, ComplicationManager manager) { ... }
 @Override
 public void onComplicationUpdate( int complicationId, int dataType, ComplicationManager manager) { ... }
 @Override
 public void onComplicationDeactivated( int complicationId) { ... }
36. CustomComplicationProviderService @Override public void onComplicationUpdate( int complicationId, int dataType, ComplicationManager manager) { if (dataType == ComplicationData.TYPE_SHORT_TEXT) {
 ComplicationData data = new ComplicationData.Builder(dataType)
 .setShortText(ComplicationText.plainText(“Hello!”))
 .setIcon(Icon.createWithResource( getPackageName(), R.drawable.action_item_background))
 .build(); 
 manager.updateComplicationData(complicationId, data);
 } }

37. Watch face Data provider Android Wear
38. Subdials IWC Portugieser Perpetual Calendar
39. Windows Rolex Daydate
40. Additional hands Rolex GMT Master
41. Placeholders https://www.google.com/design/spec-wear/patterns/complications.html
42. complication id = 1 Ranged value Short text Icon complication id = 3 Ranged value Long text Short text Icon complication id = 2 Ranged value Short text Icon
43. Complication chooser
44. WatchFaceConfigActivity Intent intent = ComplicationHelperActivity.createProviderChooserHelperIntent( context,
 watchFaceComponentName,
 complicationId,
 ComplicationData.TYPE_RANGED_VALUE,
 ComplicationData.TYPE_SHORT_TEXT,
 ComplicationData.TYPE_ICON
 );
 
 startActivityForResult(intent, REQUEST_CODE); com.google.android.wearable.permission.RECEIVE_COMPLICATION_DATA
 Requires permission:
45. ComplicationWatchFaceService.Engine @Override
 public void onCreate(SurfaceHolder holder) { ...
 setActiveComplications(LEFT_DIAL_COMPLICATION, RIGHT_DIAL_COMPLICATION); }
 
 @Override
 public void onComplicationDataUpdate(
 int complicationId, ComplicationData complicationData) {
 // store the data to display it
 }
46. ComplicationWatchFaceService.Engine @Override
 public void onDraw(Canvas canvas, Rect bounds) { ... if (complicationData.isActive(currentTimeMillis)) {
 // draw the complication
 } ...
 }
47. ComplicationWatchFaceService.Engine @Override
 public void onTapCommand(int tapType, int x, int y, long eventTime) {
 
 ...
 // get the complication data related to the tapped placeholder
 ... 
 if (complicationData.getTapAction() != null) {
 try {
 complicationData.getTapAction().send();
 } catch (PendingIntent.CanceledException e) {
 Log.d(TAG, "On complication tap action error " + e);
 }
 }
 }
48. Watch face Data provider Android Wear
49. More info Building Apps for Wearables https://developer.android.com/training/building-wearables.html Android Wear design specs https://www.google.com/design/spec-wear/android-wear/ introduction.html
50. Daniele Bonaldo Thank You! Any questions?