Android Bluetooth: Get UUIDs of discovered devices

Question

As I\'m currently working on a little bluetooth library for Android, I\'m trying to get all the service uuids of the devices I discovered in my surrounding.

When my

Answer 1

The documentation on this states...

Always contains the extra field BluetoothDevice.EXTRA_UUID

However, just like you, I have found this not to be true.

If you call fetchUuidsWithSdp() while device discovery is still taking place BluetoothDevice.EXTRA_UUID can be null.

You should wait until you receive BluetoothAdapter.ACTION_DISCOVERY_FINISHED before you make any calls to fetchUuidsWithSdp().