How to request permissions when using maps on Android

if ((this, .ACCESS_FINE_LOCATION)
   != PackageManager.PERMISSION_GRANTED) {
  //Application for WRITE_EXTERNAL_STORAGE permission  (this, new String[]{.ACCESS_FINE_LOCATION}, Constants.ACCESS_FINE_LOCATION_COMMANDS_REQUEST_CODE);
 } else {
  /**
   * Initialize the user location
   */
  setMyLoctionPicture();
 }

/**
   * Initialize the user location
   */
 public void setMyLoctionPicture(){
  (TAG,"setMyLocationPicture() is running");

  if(aMap==null){
   aMap=();
  }
  MyLocationStyle locationStyle = new MyLocationStyle();
  ((.location_marker));
  ();
  ((100, 0, 0, 100));
  (1.0f);
  (locationStyle);
  (this);
  UiSettings uiSettings = ();
  uiSettings .setMyLocationButtonEnabled(true);

  (true);
  (this);
  (this);

 }