Trimble layers

public class SampleTrimbleLayersActivity extends AppCompatActivity {

    private MapView mapView;
    private TrimbleMapsMap map;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Authorize the api key for the session.
        // .apiKey() requires your Trimble Maps API key
        TrimbleMapsAccount trimbleMapsAccount = TrimbleMapsAccount.builder()
                .apiKey("Your-API-key-here")
                .addLicensedFeature(LicensedFeature.MAPS_SDK)
                .build();

        // Initialize the session
        TrimbleMapsAccountManager.initialize(trimbleMapsAccount);
        TrimbleMapsAccountManager.awaitInitialization();

        // Get an instance of the map, done before the layout is set.
        TrimbleMaps.getInstance(this);
        setContentView(R.layout.activity_sample_trimble_layers);

        // Set up the MapView from the layout
        mapView = (MapView) findViewById(R.id.mapView);
        // the onMapReadyCallback is fired when the map is ready to be worked with
        mapView.getMapAsync(new OnMapReadyCallback() {
            @Override
            public void onMapReady(@NonNull TrimbleMapsMap trimbleMapsMap) {
                // The TrimbleMapsMap object is created, now a style can be applied to render a map.
                map = trimbleMapsMap;
                CameraPosition position = new CameraPosition.Builder()
                        .target(new LatLng(40.7584766,-73.9840227))
                        .zoom(13)
                        .build();
                map.setCameraPosition(position);

                map.setStyle(Style.MOBILE_DEFAULT);
            }
        });
    }

    // Function called when a button in the layout is pressed.
    public void onClickToggleTrimbleLayer(View view) {
        // Simple switch statement on the button's text, layers will toggle depending on what was pressed
        // The button's label is used for the switch statement for readability purposes.
        // Toggle's are used here, but these layers can also be implicitly set with boolean values.
        // E.g. map.setTrafficVisibility(true);
        String buttonText = ((Button) view).getText().toString().toLowerCase();
        switch (buttonText) {
            case "traffic":
                map.toggleTrafficVisibility();
                break;
            case "3d buildings":
                map.toggle3dBuildingVisibility();
                break;
            case "pois":
                map.togglePoiVisibility();
                break;
            case "weather":
                map.toggleWeatherAlertVisibility();
                break;
        }
    }
	
    /**
     * Activity Overrides
     */
    @Override
    public void onLowMemory() {
        super.onLowMemory();
        mapView.onLowMemory();
    }
    @Override
    public void onStart() {
        super.onStart();
        mapView.onStart();
    }
    @Override
    public void onResume() {
        super.onResume();
        mapView.onResume();
    }
    @Override
    public void onStop() {
        super.onStop();
        mapView.onStop();
    }
    @Override
    public void onPause() {
        super.onPause();
        mapView.onPause();
    }
    @Override
    public void onDestroy() {
        super.onDestroy();
        mapView.onDestroy();
    }
}