IOException: read failed, socket might closed - Bluetooth on Android 4.3

Question

Currently I am trying to deal with a strange Exception when opening a BluetoothSocket on my Nexus 7 (2012), with Android 4.3 (Build JWR66Y, I guess the second 4.3 update). I

Answer 1

I have also receive the same IOException, but I find the Android system demo: "BluetoothChat" project is worked. I determined the problem is the UUID.

So i replace my UUID.fromString("00001001-0000-1000-8000-00805F9B34FB") to UUID.fromString("8ce255c0-200a-11e0-ac64-0800200c9a66") and it worked most scene,only sometimes need to restart the Bluetooth device;