Android Question BleManager2 Device Lost

[hanyelmehy]

i use Manager_DeviceFound to detect Bluetooth device in range
how to detect if detected device not anymore in range
note :i just detect devices in range and not make and connection or pairing

 

[Erel]

1. Use Scan2 and set AllowDuplicates to True.
2. Maintain a list or map of devices found and the last time they were found (use a custom type for this).
3. Use a timer to remove devices that were the last "found time" is more than X seconds ago.