title: Send data to bluetooth printer
body: <p>I am using SimpleBluetoothLibrary to access my bluetooth printer.now i can search available devices,select bluetooth printer from the list,connect to the printer.those parts are done.but i don't know how to send data to the printer for print job.this is <code>onDeviceConnected</code> method.i've got device address from it.but i want to send data to printer.</p>
  
  <pre><code>@Override
              public void onDeviceConnected(BluetoothDevice device) {
                  //a device is connected so you can now send stuff to it
                  mTxt.setText("Connection Status:Connected:" + device.getAddress());
  
                  Log.d("Mac_Address", device.getAddress());
  
  
              }
  </code></pre>