Daten via Bluetooth senden

private class ConnectedThread extends Thread {
                private final BluetoothSocket mmSocket;
                private final InputStream mmInStream;
                private final OutputStream mmOutStream;

                public ConnectedThread(BluetoothSocket socket) {
                    mmSocket = socket;
                    InputStream tmpIn = null;
                    OutputStream tmpOut = null;

                    // Get the input and output streams, using temp objects because
                    // member streams are final
                    try {
                        tmpIn = socket.getInputStream();
                        tmpOut = socket.getOutputStream();
                    } catch (IOException e) {
                    }

                    mmInStream = tmpIn;
                    mmOutStream = tmpOut;

                    Runnable d = new Runnable() {
                        @Override
                        public void run() {
                            byte[] buffer = new byte[1024];  // buffer store for the stream
                            int bytes; // bytes returned from read()

                            // Keep listening to the InputStream until an exception occurs
                            while (true) {
                                try {
                                    // Read from the InputStream
                                    bytes = mmInStream.read(buffer);
                                    // Send the obtained bytes to the UI activity
                                    bluetoothIn.obtainMessage(handlerState, bytes, -1, buffer).sendToTarget();
                                } catch (IOException e) {
                                    break;
                                }
                            }
                        }
                    };
                    Thread data = new Thread(d);
                    data.start();
                }
                public void sendText(String text){
                  byte[] toSend;

                    toSend=text.getBytes();
                    write(toSend);
                }

                /* Call this from the main activity to send data to the remote device */
                public void write(byte[] bytes) {
                    try {
                        mmOutStream.write(bytes);
                    } catch (IOException e) { }
                }

                /* Call this from the main activity to shutdown the connection */
                public void cancel() {
                    try {
                        mmSocket.close();
                    } catch (IOException e) { }
                }
            }
    }