我很容易：仿真器不支持蓝牙，所以我认为它会auto-fall-back to WiFi, or even supersonic communication？但即使在获得权限工作（yay）之后，它也会因以下原因而死亡 .
E/NearbyConnections: Failed startAdvertising(1, 4, 0, 5, 5, 8) for client 102877343 because we couldn't start listening for incoming Bluetooth connections to ServiceId MYID
W/MeshConnection: Advertising failed. Received status 8007 STATUS_BLUETOOTH_ERROR
E/NearbyConnections: Failed startDiscovery() for client 102877343 because we couldn't scan on Bluetooth nor BLE for serviceId MYID
W/MeshConnection: Discovering failed. Received status 8007 STATUS_BLUETOOTH_ERROR
1 回答
我做了一些询问，事实证明，Nearby Connections 2.0使用蓝牙进行连接，然后机会性地升级到WiFi（如果可用），所以它确实需要BT来启动 - 所以不要在模拟器上运行它 .