Android Nearby

Droid Up 5.0 , 2017 talk about Android Nearby and its models

Transcript

1. Android Nearby Connection and Messages API
2. Tato Kutalia tatocaster tatocaster.me github.com/tatocaster twitter.com/@tatokutalia
3. Android Nearby
4. Android Nearby Appeared in 2015 Part of the Google Services Crossplatform? Works mostly on Android*
5. Android Nearby uses: • Bluetooth Classic • BLE • WiFI • Ultrasonic Sound wave!!
6. Android Nearby Nearby.Connections Nearby.Messages 2 main APIs
7. Nearby.Connections Nearby.Connections allows the discovery of devices connected to be on the same Wi-Fi network using multicast packets sent over the access point.
8. Nearby.Connections
9. Nearby.Connections Nearby Connections is more like a Master-Slaves Model (One- to-Many model). The Master Device can Nearby.Connections.startAdvertising to all the devices. The nearby devices could use Nearby.Connections.startDiscovering to discover the advertisement.
10. Nearby.Connections needs only service_id in Manifest
11. Nearby.Messages Nearby.Messages is like a broadcast and receiver model. It’s a many-to-many model, where all devices broadcast and everyone listens. The function used is Nearby.Messages.publish and Nearby.Messages.subscribe.
12. Nearby.Messages
13. Nearby.Messages Nearby Connections is more like a Master-Slaves Model (One- to-Many model). The Master Device can Nearby.Connections.startAdvertising to all the devices. The nearby devices could use Nearby.Connections.startDiscovering to discover the advertisement.
14. Nearby.Messages more complex needs Google Service API Key
15. Nearby.Connections
16. Nearby.Connections Message Types • Reliable (TCP) • Unreliable (UDP)
17. Android Nearby Do not send sensitive data!!
18. Android Nearby works only in Foreground no cross-activity Connection permission on start
19. Result https://github.com/tatocaster/Android-Nearby-Demo