Android Bluetooth socket freeze application

Question

I have a strange issue with bluetooth socket. If I create socket and later close application, android device freeze with very hight CPU load.

Here my sample code:

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Answer 1

Did the socket get successfully created before calling the Close() method ? I would try initializing the socket to null before the call to createRfcommSocketToServiceRecord(UUID) The Bluetooth Chat example does this .. here is a snippet .

public ConnectThread(BluetoothDevice device) {
        mmDevice = device;
        BluetoothSocket tmp = null;

        // Get a BluetoothSocket for a connection with the
        // given BluetoothDevice
        try { 
            tmp = device.createRfcommSocketToServiceRecord(MY_UUID);
        } catch (IOException e) {
            Log.e(TAG, "create() failed", e);
        }
        mmSocket = tmp;
    }

    public void cancel() {
        try {
            mmSocket.close();
        } catch (IOException e) {
            Log.e(TAG, "close() of connect socket failed", e);
        }
    }