Latest Contributions by lasinh

i use sdk runtime arcgis for android to show current location on the map but location incorrect; below is my custom SpatialReference Spatial Reference: PROJCS["VN-2000",GEOGCS["GCS_VN_2000",DATUM["D_VN_2000",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",107.75],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]],VERTCS["Hon_Dau_1992",VDATUM["Hon_Dau_1992"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]]   ... View more

HOw to select top feature from featurelayer with out max record arcgis server ... View more

location services deviate about 300m from the current location; my custom Spatial Reference (wkString) Spatial Reference: PROJCS["VN-2000",GEOGCS["GCS_VN_2000",DATUM["D_VN_2000",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",107.75],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]],VERTCS["Hon_Dau_1992",VDATUM["Hon_Dau_1992"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]] below my code: map = new ArcGISMap(SpatialReference.create(getResources().getString(R.string.wkString))); // Viewpoint viewPoint1 = new Viewpoint(new Point(433214.603,1211184.161, map.getSpatialReference()), 1000000); // map.setInitialViewpoint(viewPoint1); // map = new ArcGISMap(); map.getBasemap().getBaseLayers().add(usaLayer); map.getBasemap().getBaseLayers().add(usaLayerCached); //map.getBasemap().getBaseLayers().add(FeatureLayerVungCay); mMapView = (MapView) findViewById(R.id.mapView); BackgroundGrid backgroundGrid = new BackgroundGrid(Color.WHITE,Color.WHITE,0,2); mMapView.setBackgroundGrid(backgroundGrid); mMapView.setMap(map); Viewpoint viewPoint = new Viewpoint(new Point(433214.603,1211184.161, map.getSpatialReference()), 1000000); mMapView.setViewpoint(viewPoint); // map.setInitialViewpoint(view); mMapView.setAttributionTextVisible(false); mLocationDisplay = mMapView.getLocationDisplay(); mLocationDisplay.addDataSourceStatusChangedListener(new LocationDisplay.DataSourceStatusChangedListener() { @Override public void onStatusChanged(LocationDisplay.DataSourceStatusChangedEvent dataSourceStatusChangedEvent) { // If LocationDisplay started OK, then continue. if (dataSourceStatusChangedEvent.isStarted()) return; // No error is reported, then continue. if (dataSourceStatusChangedEvent.getError() == null) return; // If an error is found, handle the failure to start. // Check permissions to see if failure may be due to lack of permissions. boolean permissionCheck1 = ContextCompat.checkSelfPermission(MainActivity.this, reqPermissions[0]) == PackageManager.PERMISSION_GRANTED; boolean permissionCheck2 = ContextCompat.checkSelfPermission(MainActivity.this, reqPermissions[1]) == PackageManager.PERMISSION_GRANTED; if (!(permissionCheck1 && permissionCheck2)) { // If permissions are not already granted, request permission from the user. ActivityCompat.requestPermissions(MainActivity.this, reqPermissions, requestCode); } else { // Report other unknown failure types to the user - for example, location services may not // be enabled on the device. String message = String.format("Error in DataSourceStatusChangedListener: %s", dataSourceStatusChangedEvent .getSource().getLocationDataSource().getError().getMessage()); Toast.makeText(MainActivity.this, message, Toast.LENGTH_LONG).show(); // Update UI to reflect that the location display did not actually start mSpinner.setSelection(0, true); } } }); // Populate the list for the Location display options for the spinner's Adapter ArrayList<ItemData> list = new ArrayList<>(); list.add(new ItemData("", R.mipmap.locationdisplaydisabled)); list.add(new ItemData("", R.mipmap.locationdisplayon)); list.add(new ItemData("", R.mipmap.locationdisplayrecenter)); list.add(new ItemData("", R.mipmap.locationdisplaynavigation)); list.add(new ItemData("", R.mipmap.locationdisplayheading)); SpinnerAdapter adapter = new SpinnerAdapter(this, R.layout.spinner_layout, R.id.txt, list); mSpinner.setAdapter(adapter); mSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { switch (position) { case 0: // Stop Location Display if (mLocationDisplay.isStarted()) mLocationDisplay.stop(); break; case 1: // Start Location Display if (!mLocationDisplay.isStarted()) mLocationDisplay.startAsync(); break; case 2: // Re-Center MapView on Location // AutoPanMode - Default: In this mode, the MapView attempts to keep the location symbol on-screen by // re-centering the location symbol when the symbol moves outside a "wander extent". The location symbol // may move freely within the wander extent, but as soon as the symbol exits the wander extent, the MapView // re-centers the map on the symbol. mLocationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.RECENTER); if (!mLocationDisplay.isStarted()) mLocationDisplay.startAsync(); break; case 3: // Start Navigation Mode // This mode is best suited for in-vehicle navigation. mLocationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.NAVIGATION); if (!mLocationDisplay.isStarted()) mLocationDisplay.startAsync(); break; case 4: // Start Compass Mode // This mode is better suited for waypoint navigation when the user is walking. mLocationDisplay.setAutoPanMode(LocationDisplay.AutoPanMode.COMPASS_NAVIGATION); if (!mLocationDisplay.isStarted()) mLocationDisplay.startAsync(); break; } } @Override public void onNothingSelected(AdapterView<?> parent) { } }); ... View more

if i use "query.setMaxFeatures(20);" my code show error Cannot call this method in this context if i not use "query.setMaxFeatures(20);" working. how to select top record by use setMaxFeatures method final QueryParameters query = new QueryParameters(); // query.setWhereClause("upper(name) LIKE '%" + strSearch.toUpperCase() + "%'"); query.setReturnGeometry(false); query.setMaxFeatures(20); final ListenableFuture<FeatureQueryResult> future = ServiceFeature.queryFeaturesAsync(query, ServiceFeatureTable.QueryFeatureFields.LOAD_ALL); public void run() { try { final FeatureQueryResult result = future.get(); Iterator<Feature> iterator = result.iterator(); int count = 0; ...             ... ... View more

1.How to registry event or listener add feature Layer to map complete  2. How to listener Basemap change  ... View more

How to create Map (display map) base on ArcGISTiledLayer arcgis android 100.0.0 by Tile map cached services from Arcgis server ... View more

i use Esri basemap World_Topo_Map (MapServer)   then overlay my Tiled Map Services;  my Tiled Map Services display incorrect place. How To overlays two Tiled Map Services with Different Spatial References in ArcGIS API for JavaScript?( two Services cached scale as same; Different Spatial References)?? my code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://js.arcgis.com/3.18/esri/css/esri.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <link href="css/main.css" rel="stylesheet" /> <script src="https://js.arcgis.com/3.18/"></script> <script type="text/javascript"> var map; require([ "esri/map", "dojo/ready", "esri/SpatialReference", "esri/layers/ArcGISTiledMapServiceLayer", "dojo/dom", "dojo/on", "dojo/_base/array", "dojo/parser", "dojo/domReady!" ], function ( Map, ready, SpatialReference, ArcGISTiledMapServiceLayer, dom, on, array, parser ) { ready(function () { parser.parse(); }); var spatialReference2 = new SpatialReference({ "wkt": 'PROJCS["VN-2000",GEOGCS["GCS_VN_2000",DATUM["D_VN_2000",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",107.75],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]],VERTCS["Hon_Dau_1992",VDATUM["Hon_Dau_1992"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]]' }); map = new Map("mapDiv", { spatialReference: spatialReference2 }); var pathGooglemap = "http://services.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer"; var tiled = new ArcGISTiledMapServiceLayer("http://stnmt.dongnai.gov.vn:8080/atlasadaptor/rest/services/Bandochuyende/NEN_CAOSU_vn_g/MapServer"); map.addLayers([tiled]); map.on("Click", function (evt) { GooglemapLayer = new ArcGISTiledMapServiceLayer(pathGooglemap, { id: "idchuyende" }); map.addLayer(GooglemapLayer, 0); }); }); </script> <title></title> </head> <body class="claro"> <div id="conttain"> <div id="divmap_data"> <div id="mapDiv"> </div> </div> </div> </body> </html> ... View more