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I was browing Stack and the internet for a simple solution to get the UUID of the device I‘m currently using. I stumbled over posts like this but none of them seemed to help me. The doc tells me about this getUuids() function but when going through the doc for Android Bluetooth I end up having a BluetoothAdapter but I need a BluetoothDevice to execute this function. So I need to know the following: 1) Is the function returning really the device UUID? Because the name saids plural (getUuids) 2) How do I get an instance of this BluetoothDevice? Thanks! android bluetooth uuid android-bluetooth
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asked Oct 28 ‘13 at 9:12 Ron
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anyway, how could you know the UUID is for your bluetooth device @Ron? – gumuruh Jul 7 ‘14 at 7:23 |
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Using reflection you can invoke the hidden method getUuids() on the BluetoothAdater: BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();Method getUuidsMethod = BluetoothAdapter.class.getDeclaredMethod("getUuids", null);ParcelUuid[] uuids = (ParcelUuid[]) getUuidsMethod.invoke(adapter, null);for (ParcelUuid uuid: uuids) { Log.d(TAG, "UUID: " + uuid.getUuid().toString());}
This is the result on a Nexus S: UUID: 00001000-0000-1000-8000-00805f9b34fbUUID: 00001001-0000-1000-8000-00805f9b34fbUUID: 00001200-0000-1000-8000-00805f9b34fbUUID: 0000110a-0000-1000-8000-00805f9b34fbUUID: 0000110c-0000-1000-8000-00805f9b34fbUUID: 00001112-0000-1000-8000-00805f9b34fbUUID: 00001105-0000-1000-8000-00805f9b34fbUUID: 0000111f-0000-1000-8000-00805f9b34fbUUID: 0000112f-0000-1000-8000-00805f9b34fbUUID: 00001116-0000-1000-8000-00805f9b34fb
where, for instance, 0000111f-0000-1000-8000-00805f9b34fb is for HandsfreeAudioGatewayServiceClass and 00001105-0000-1000-8000-00805f9b34fb is for OBEXObjectPushServiceClass. Actual availability of this method may depend on device and firmware version.
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answered Oct 28 ‘13 at 20:36 Stefano S.
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I‘m using SDK16 and it doesn‘t work for me. The uuids are null. Furthermore I‘d like to have just my Bluetooth uuid. Do you know how to get this one? – Ron Oct 29 ‘13 at 8:08 |
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There is an uuid for each Bluetooth service exposed by the device; that‘s why you see multiple uuids for the smartphone. I performed the tests using SDK on Nexus S with Android 4.1.2 and Galaxy Nexus with Android 4.3. Which device did you use? – Stefano S. Oct 29 ‘13 at 9:34 |
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Bluetooth has to be on. I tested on a Galaxy S2 with Android 4.1.2 and it worked, showing 12 UUIDs. – Stefano S. Oct 29 ‘13 at 13:10 |
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Ok, thats great so far - thanks :) But how do I get THE uuid representing my phone? Or do I need all of them for identifying my devide? – Ron Nov 4 ‘13 at 15:08 |
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@Ron, have you got what you wanted? I also want to ask. Is it okay if i define my own UUID for two different android devices to communicate each other? I mean, wouldn‘t it be conflict if I use the same UUID for two different device? – gumuruh Jul 7 ‘14 at 7:24 |
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Your Answer
stackoverflow.com/questions/19630810/android-get-bluetooth-uuid-for-this-device
stackoverflow.com/questions/19630810/android-get-bluetooth-uuid-for-this-device
Android - Get Bluetooth UUID for this device
