mi_kill.setCommandContext(this);
mi_kill.setCommand(new Command(new KillCommand()));
addMenuItem(mi_kill);
mi_settings.setCommandContext(this);
mi_settings.setCommand(new Command(new SettingsCommand()));
addMenuItem(mi_settings);
try {
if(nfc_service.isNfcEnabled()) {
nfc_led = new BitmapField(bmp_nfc_led_on);