Contextualize Apps with Nearby + Awareness
summary
Nearby exposes Nearby Messages and Nearby Notifications plus the Awareness API and shows working implementations: Bluetooth classic and BLE scanning, a 19–20 kHz ultrasound channel for room‑level proximity, a cloud backend that maps short tokens to payloads (content up to 100 KB token payload), and a Chromecast “guest mode” that falls back to a 4‑digit PIN. It supports Eddystone beacon attachments via a beacon dashboard (HTTPS crawlable URLs only), background delivery via PendingIntent, and combined fences like 50 m radius, 5 minute dwell plus headphones plugged to trigger app behavior.
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chapters (7)
- 0:00Contextual apps intro
- 2:26Nearby project history
- 11:13Nearby Messages API
- 14:21Bluetooth beacons & Eddystone
- 22:30Nearby Notifications
- 27:41Awareness API overview
- 31:48Feedback & future plans
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