public void onSelectDirections(View view) {
   String latAndLong = "google.navigation:q=";
   GPSLocation loc = db.getLotLocation(lot);
   latAndLong += loc.getLatitude() + "," + loc.getLongitude();
   Uri uri = Uri.parse(latAndLong);
   Intent intent = new Intent(Intent.ACTION_VIEW, uri);
   intent.setData(Uri.parse(latAndLong));
   Intent chooser = Intent.createChooser(intent, "Launch Maps");
   startActivity(intent);
 }
 @Override
 protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_parking);
   db = new ParkingDB(getBaseContext());
   parkingText = (TextView) findViewById(R.id.parkingText);
   lotText = (TextView) findViewById(R.id.lotText);
   visitorText = (TextView) findViewById(R.id.visitorText);
   Intent intent = getIntent();
   building = intent.getStringExtra("building");
   pass = intent.getStringExtra("pass");
   lot = db.findClosestLot(building, pass);
   setText();
 }