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Google has a SDK called Nearby which is supported on iOS and Android. In the first version only some sort of address / ID was exchanged using audio and then the
by srikz 9y ago
Google has a SDK called Nearby which is supported on iOS and Android. In the first version only some sort of address / ID was exchanged using audio and then the actual message was transferred using GCM, which meant an internet connection was required. v2 apparently didn't need an online connection but haven't tested it.
- mlevental 9y agothe docs for nearby suggest it uses ble?
- Zigurd 9y agoNearby uses both BLE and ultrasound. Before this was exposed in the Nearby APIs, Chromecast, which does not have BLE, used ultrasound to find Android devices in the same room.
- ehsankia 9y agoTheir newest payment app in India, called Tez, also uses sound to secure transactions I believe.
- srikz 9y agoYep, made by Google