Unable to Connect to BLE device in Android 12+

Question

I am trying to connect to BLE device in Android 12 using connectGatt method but It's not connecting.

Below Android 11 it is working fine.

1. I have added all the required permissions for Android 12 Manifest.permission.BLUETOOTH_SCAN and Manifest.permission.BLUETOOTH_CONNECT .
2. I have tried all the transports AUTO, BLE and BR/EDR.
3. I am also allowing runtime permissions for Bluetooth.

The required device MAC address is found in discover callback. But, When I try to connect It's not receiving any callback and after few seconds It's sending me DISCONNECT BroadcastReceiver.

Answer 1

Many beacon devices still require location service for scanning.

That's why location service still requires in Android 12, giving permission to location android.permission.ACCESS_FINE_LOCATION and android.permission.ACCESS_COARSE_LOCATION also allows android.permission.BLUETOOTH_SCAN in AndroidManifest, and explicitly grant these permissions at runtime.