WRITING APPS FOR WEAR OS
summary
Wear OS 2.0+ adds standalone apps with a Play Store on-watch and a manifest flag com.google.android.wear.standalone to make an app independent; 720,720,000 Wear devices shipped (Mar 15, 2018) and typical hardware is ~512 MB RAM, 4 GB storage, ~1.3 GHz CPU and 300 mAh battery. Modern APIs replace old ones: use dataClient, messageClient and channelClient instead of legacy Data/Message/Channel APIs; support rotary input, IME keyboard/voice, watch faces with the complications API and its activate/update callbacks.
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chapters (16)
- 0:00Introduction
- 1:08Why companion apps
- 3:39Wear OS evolution
- 5:50Wear OS 2.0 features
- 7:24UI building blocks
- 10:59Navigation improvements
- 14:19Multi-function buttons
- 15:25Input methods
- 17:35Data communication
- 20:09Migrating to Google APIs
- 23:41Detecting capabilities
- 25:29Standalone apps
- 27:40Watch face development
- 30:09Complications API
- 32:41Publishing apps
- 33:01Q&A
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