docs: @Override
      public void onCreate(final Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          MainActivity.updateStoragePrefreneces(this);    //needed for unit tests
  
          registerReceiver(networkReceiver, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
  
          this.setContentView(org.osmdroid.R.layout.activity_starter_main);
          FragmentManager fm = this.getSupportFragmentManager();
  		if (fm.findFragmentByTag(MAP_FRAGMENT_TAG) == null) {
  			starterMapFragment = StarterMapFragment.newInstance();
  			fm.beginTransaction().add(org.osmdroid.R.id.map_container, starterMapFragment, MAP_FRAGMENT_TAG).commit();
  		}
      }