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Android Wear 2.0
Next Level of Freedom for Your Action
Royce Mars
Organizer @ GDG Dnipro
Senior Developer @ DataArt
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A long time ago…
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A long time ago…
in the Lviv, not so far away :)
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A long time ago…
in the Lviv, not so far away :)
We’ve been talking about...
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#gdgceesummit
Freedom of tethering
BLE
WiFi
Cellular
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#gdgceesummit
And chances to get direct access to Play Store
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And today...
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No content
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Developer Preview 3
Play Store and More
Available since September 28
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#gdgceesummit
Play Store features
●
multiple accounts,
●
support of alpha and
beta testing
●
update or uninstall
apps in “My apps” view
●
install only the watch
app
●
phone apps are no
longer necessary
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You can now build and publish
watch-only apps for users to
discover on Google Play
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#gdgceesummit
android {
publishNonDefault true // Allows you to reference product flavors in your phone's build.gradle
defaultConfig
{ minSdkVersion 23 } // This is the minSdkVersion of the Wear 1.0 embedded app
productFlavors {
wear1 { /* Use the defaultConfig value */ }
wear2 { minSdkVersion 24 }
}
}
Flavors for supporting both 2.0 and 1.x
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#gdgceesummit
dependencies {
...
wearApp project(path: ':wear', configuration: 'wear1Release')
}
Package only when build variant requires it
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#gdgceesummit
If no need in 1.x - simply publish MultiAPK
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Hardware
Key platform features and supported watches
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#gdgceesummit
Officially supported watches
LG Watch Urbane 2nd Edition Huawei Watch
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#gdgceesummit
Officially supported watches
LG Watch Urbane 2nd Edition Huawei Watch
Display: 1.4 inches, 400 x 400 pixels (~286 ppi)
CPU:Quad-core 1.2 GHz Cortex-A7
GPU: Adreno 305, Chipset: Qualcomm Snapdragon 400
Memory: 4 GB, 512 MB RAM
Comm: Wi-Fi 802.11 b/g, Bluetooth v4.1 LE
Network: No cellular connectivity
Battery: 300 mAh (48h)
Display: 1.38 inches, 480 x 480 pixels (~348 ppi)
CPU: Quad-core 1.2 GHz Cortex-A7
GPU: Adreno 305, Chipset: Qualcomm Snapdragon 400
Memory: 4 GB, 768 MB RAM
Comm: Wi-Fi 802.11 b/g, Bluetooth v4.1 LE, GPS, NFC
Network: GSM, HSPA, LTE
Battery: 570 mAh (60h)
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Complications
Personal expression and utility
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#gdgceesummit
Personal expression and utility
Modern by LG Ranger by Zuhanden GoogleFit Today
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#gdgceesummit
Or simply an personal expression :)
HeyKittyKitty by WatchMaster
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#gdgceesummit
Complications
“any feature in a timepiece beyond the simple display
of hours and minutes” (Wikipedia)
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#gdgceesummit
Complication types
-Short text
-Long text
-Range of values
-Icon (small picture)
-Image (big picture)
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Complications coding
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#gdgceesummit
New in Preview 3
com.google.android.wearable.permission.RECEIVE_COMPLICATION_DATA
Request permission to access Complication Data
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#gdgceesummit
Runtime permissions. Wearable version:)
Now required for
accessing Complication
Providers from
WatchFace apps
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#gdgceesummit
Each position need to be identified
private static final int LEFT_DIAL_COMPLICATION = 0;
private static final int RIGHT_DIAL_COMPLICATION = 1;
public static final int[] COMPLICATION_IDS = {LEFT_DIAL_COMPLICATION,
RIGHT_DIAL_COMPLICATION};
Complication ID
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#gdgceesummit
Each position must be mapped with array of supported types
// Left and right dial supported types.
public static final int[][] COMPLICATION_SUPPORTED_TYPES = {
{ComplicationData.TYPE_SHORT_TEXT},
{ComplicationData.TYPE_SHORT_TEXT}
};
Complication supported types
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#gdgceesummit
Data Providers and system trigger .onComplicationDataUpdate() sometimes
/* Called when there is updated data for a complication id. */
@Override
public void onComplicationDataUpdate(
int complicationId, ComplicationData complicationData) {
Log.d(TAG, "onComplicationDataUpdate() id: " + complicationId);
mActiveComplicationDataSparseArray.put(complicationId, complicationData);
invalidate();
}
ComplicationData receiving
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#gdgceesummit
.onDraw() is the moment of drawing. ComplicationData where stored earlier
@Override
public void onDraw(Canvas canvas, Rect bounds) {
ComplicationData complicationData;
for (int i = 0; i < COMPLICATION_IDS.length; i++) {
complicationData = mActiveComplicationDataSparseArray
.get(COMPLICATION_IDS[i]);
// ...
Complications rendering
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#gdgceesummit
Complication may be deactivated or contain wrong data type
if ((complicationData != null)
&& (complicationData.isActive(currentTimeMillis))
&& (complicationData.getType() ==
ComplicationData.TYPE_SHORT_TEXT)) {
ComplicationText mainText = complicationData.getShortText();
CharSequence complicationMessage =
mainText.getText(getApplicationContext(),
currentTimeMillis);
Complications rendering
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#gdgceesummit
Actual drawing is trivial
canvas.drawText(
complicationMessage,
0,
complicationMessage.length(),
complicationsX,
mComplicationsY,
mComplicationPaint);
Complications rendering
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Data Providers
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#gdgceesummit
Android Wear role in data exchange
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#gdgceesummit
Data Providers
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Data Providers coding
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#gdgceesummit
Data Provider Service attributes
Extend ComplicationProviderService
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#gdgceesummit
Data Provider declaration
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#gdgceesummit
Update period
Data Provider declaration
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#gdgceesummit
@Override
public void onComplicationActivated( int complicationId, int dataType,
ComplicationManager complicationManager) { … }
@Override
public void onComplicationUpdate( int complicationId, int dataType,
ComplicationManager complicationManager) { … }
@Override
public void onComplicationDeactivated(int complicationId) { … }
Data Provider methods
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#gdgceesummit
@Override
public void onComplicationUpdate(int complicationId, int dataType,
ComplicationManager complicationManager) {
// Retrieve or generate your data
int randomNumber = (int) Math.floor(Math.random() * 10);
String randomNumberText =
String.format(Locale.getDefault(), "%d!", randomNumber);
Exposing data to complications
Called according to update period time
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#gdgceesummit
ComplicationData complicationData = null;
switch (dataType) {
case ComplicationData.TYPE_SHORT_TEXT:
complicationData = new ComplicationData.Builder(
ComplicationData.TYPE_SHORT_TEXT)
.setShortText(ComplicationText.plainText(randomNumberText))
.build();
break;
Exposing data to complications
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#gdgceesummit
@Override
public void onComplicationUpdate( int complicationId, int dataType,
ComplicationManager complicationManager) {
…
if (complicationData != null) {
complicationManager.updateComplicationData(
complicationId,
complicationData);
}
Exposing data to complications
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#gdgceesummit
WatchFaceService.Engine.setDefaultComplicationProvider()
Default Providers
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Notifications updated
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#gdgceesummit
Notifications in Android Wear 1.X
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#gdgceesummit
Android Wear 2.0 Notifications
Material Design for Wearables, Dark Theme
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#gdgceesummit
Notifications preview
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#gdgceesummit
Notifications messaging style
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Notifications coding
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#gdgceesummit
Notification noti = new NotificationCompat.Builder()
.setContentTitle(messages.length + " new messages with " + sender)
.setContentText("subject")
.setSmallIcon(R.drawable.new_message)
// 2) set the style to MessagingStyle
.setStyle(new NotificationCompat.MessagingStyle(
getResources().getString(R.string.reply_name))
.addMessage(messages[0])
.addMessage(messages[1]);
Notifications with modern MessagingStyle
set MessagingStyle
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#gdgceesummit
NotificationCompat.Action action =
new NotificationCompat.Action.Builder(R.drawable.ic_reply_icon,
getString(R.string.label), replyPendingIntent)
.addRemoteInput(remoteInput)
.setAllowGeneratedReplies(true)
.build();
Notifications with SmartReply
Allow SmartReply
Starting with Preview 3 SmartReply uses standalone machine, located on watch
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#gdgceesummit
NotificationCompat.Action action =
new NotificationCompat.Action.Builder(R.drawable.ic_reply_icon,
getString(R.string.label), replyPendingIntent)
.addRemoteInput(remoteInput)
.extend(new NotificationCompat.Action.WearableExtender()
.setHintDisplayActionInline(true))
.build();
Inline Action, available directly from stream
Set inline action
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(Not new) Input Methods
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#gdgceesummit
New input methods
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#gdgceesummit
Voice input, Emoji
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#gdgceesummit
Keyboard, Handwriting
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#gdgceesummit
Wait, a Keyboard???
LG Watch Urbane 2nd Edition
Display: 1.38 inches, 480 x 480 pixels (~348 ppi)
CPU: Quad-core 1.2 GHz Cortex-A7
GPU: Adreno 305, Chipset: Qualcomm Snapdragon 400
Memory: 4 GB, 768 MB RAM
Comm: Wi-Fi 802.11 b/g, Bluetooth v4.1, LE, GPS, NFC
Network: GSM, HSPA, LTE
Battery: 570 mAh (60h)
Size x2 bigger than first phones
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Material Design for Wearables
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#gdgceesummit
1D Layout
Do Don’t
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#gdgceesummit
UI Anatomy
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#gdgceesummit
Navigation Drawer
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#gdgceesummit
Action Drawer
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#gdgceesummit
Dark Theme
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#gdgceesummit
Brightness values
1 App color - Default color
2 Dark background - 15%
3 Lighter background - 30%
4 UI element - 40%
5 Lighter UI element - 65%
6 Accent - 100%
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#gdgceesummit
Applications list
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#gdgceesummit
WearableRecyclerView
Since Preview 3 - .setCircularScrollingGestureEnabled(true) available
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Some new Google Fit features
for Android Wear
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#gdgceesummit
Upcoming APIs
Beat to Beat API Goals API Profile API
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#gdgceesummit
Real Time Gym Activity Recognition
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#gdgceesummit
Recognized exercises
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Q&A?
Thank you!
Royce Mars
@RoyceMars