To discover a device, first get the bluetooth adapter by calling BluetoothAdapter.getDefaultAdapter ().
This code uses BeaconManager, it continuously scans for new Bluetooth devices and returns a Beacons List object which you can use to get what ever information you need. Devices without Bluetooth 4.0 can scan in Classic mode only.

Using the Bluetooth APIs, an Android application can perform the following: Scan for other Bluetooth devices; Query the local Bluetooth adapter for paired Bluetooth devices; Establish RFCOMM channels; Connect to other devices through service discovery; Transfer data to and from other devices; Manage multiple connections; This page focuses on Classic Bluetooth. You can only scan for other nearby Bluetooth devices that are already set to be discoverable. Scanning for nearby Bluetooth devices is Asynchronous, which means the OS will do this in the background at its own speed and rate. I allows you to scan and obtain information about Low Energy Bluetooth Devices in your vicinity. Bluetooth 4.0 devices will be able to scan in Classic or Low Energy mode. Pretty much the same with Bluetooth. Before connecting to a device, an application must discover or scan available bluetooth devices, request pairing and connect to the device. Classic Bluetooth is the right choice for … Through Android Bluetooth API, developers can access most of bluetooth functionalities and let the applications wirelessly connect to bluetooth devices.


And I can't see you connecting to … BaseColumns; CalendarContract.AttendeesColumns; CalendarContract.CalendarAlertsColumns; CalendarContract.CalendarCacheColumns; CalendarContract.CalendarColumns

We can only scan for X amount of time (currently 12 seconds) and then the discovery ends. This is a demo application to show the use of the Bluetooth LE library.

To connect to a device you're paired to, you shouldn't need scanning.

Make sure you …

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