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android – Broadcast if a bluetooth device is connecting/disconnecting?

Posted by: admin June 15, 2020 Leave a comment


I want start a service, when a specific bluetoothdevice is connected and stop this service when it’s disconnected.
Obviously I don’t want to have a background service that is always checking if a BT device is connected, so I want to achieve this with a Receiver.

Is this actually possible? android.bluetooth.device.action.ACL_CONNECTED is mentioned here, but apparently it didn’t work.


How to&Answers:
    <action android:name="android.bluetooth.device.action.ACL_CONNECTED" />
    <action android:name="android.bluetooth.device.action.ACL_DISCONNECT_REQUESTED" />
    <action android:name="android.bluetooth.device.action.ACL_DISCONNECTED" />

These are the filters you have to add with your broadcast receiver.

ACL_CONNECTED signals when bluetooth is connected and ACL_DISCONNECTED signals bluetooth disconnection

For specific device you have to check intents/context in broadcast receiver

The two permission you have to add are:

<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.BLUETOOTH" />

I think this should solve your problem.