Android Wear Overview
“Ok Wai Cheung”
What is Android Wear?
What it can do?
Notification
Wear App
It has...
Touch Screen
Power Button
Sensorsss...
e.g. heart rate meter, GPS, Accelerometer...
Resolution
for designer
Square
Rounded
W 320
H 320
W 320
H 320
DPI?
res/nodpi
res/hdpi (x1.5)
Running on device...
- Android
- OS version >= 4.3
Android Wear OS version
- 4.4 (API Lv 20)
- 5.x (API Lv 21)
Hey, what's their difference?
- Watch Face API
- Material Design UI
- Notification priority mode
- Resume dismissed Notification
Hey, what's their difference?
UI? UX?
- Don't consider it as a small-sized phone
- Do one thing, REALLY FAST
- Design for the corner of the eye
- Don't always get user focus (e.g. vibration)
Design for big gestures
Better finish all interaction within 5 seconds
Right content at the right time
according sensor information, GPS location, cloud server information, etc...
Development on Android Wear
- Optimize notification
- Develop wear app
Notification
Many many styles... such as BigPictureStyle, BigTextStyle, InboxStyle... a tutorial class
But... they are only working on Android OS >=4.1
Notification
Or AW only features like adding pages, action buttons, voice command input or custom layout...
page
stacked page
action
voice reply
You can...
DEMO on Emulator
Android Wear App
Same as Android App but without...
Android Wear App
With some Android Wear only UI components...
How to sync / send data to Android phone?
- MessageAPI - no data storage, send data once
- Syncing Data Item - payload (100 kb) stored in memory, once connected then do data sync
- Transfer Assets - for large file (e.g. images transfer)
Common Questions
Can I get GPS from Android Wear?
YES, you can get GPS from Android Wear which connected with an Android phone...
Some Android Wear devices have build-in GPS chips and obtain GPS signal by itself
Can I wake a phone app to foreground by a wear app?
YES, you can and also do it reversely.
What's more, you can open a url or trigger a service...
It handles an intent / pending intent very well! : )
What still works when the watch isn’t paired
- Tell time and see the date
- Set an alarm
- Use the stopwatch
- Use the timer
- View your calendar for today
- See your step count
- See your heart rate (if your watch has this feature)
- Change your watch face
- Put your watch in airplane mode
- Listen to music through your watch
Useful links
One more things...
for developers
HTTP Connection is FAIL! : (
You can make use of
WearHttp
and a simplified data layer wrapper...
Teleport
Thank You!
Android Wear Overview
By Wai Cheung
