Added Heat Risk Layers

EsriDE · Nov 14, 2024 · d8d6222 · d8d6222
1 parent 2ad4c40
commit d8d6222
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Showing 4 changed files with 91 additions and 6 deletions.
diff --git a/native-apps/urban-heat-notifier/urban_heat_notifier/_.env b/native-apps/urban-heat-notifier/urban_heat_notifier/_.env
@@ -1 +1,14 @@
 APIKEY=[your_api_key]
+TITLE=Urban Heat Notifier
+INITIALVIEWPOINT={"lon": 7.10, "lat": 50.71, "scale": 200000}
+BASEMAP=BasemapStyle.osmStreets
+HriVectorTileServiceTitle=Heat Risk Index Vector
+HriVectorTileServicePortalItemID=c9e5c25aeb494c30b143dd4c2f87c3ef
+HriFeatureServiceTitle=Heat Risk Index Feature
+HriFeatureServicePortalItemID=5969b96bfb0340b0abe1ad78dbe8150c
+DrinkingWaterFeatureServiceTitle=Drinking Water Feature
+DrinkingWaterFeatureServicePortalItemID=bd918e6dd0da42ca9462cfb56214eb6a
+PlacesServiceUrl=https://places-api.arcgis.com/arcgis/rest/services/places-service/v1/places/near-point
+PlacesSearchRadius=500
+PlacesCategoryDiningDrinkingId=13000
+PlacesCategoryHealthMedicineId=1500
diff --git a/native-apps/urban-heat-notifier/urban_heat_notifier/lib/env/env.dart b/native-apps/urban-heat-notifier/urban_heat_notifier/lib/env/env.dart
@@ -5,5 +5,25 @@ part 'env.g.dart';
 @Envied(path: '.env')
 abstract class Env {
     @EnviedField(varName: 'APIKEY', obfuscate: true)
-    static final String apikey = _Env.apikey;
+    static String apikey = _Env.apikey;
+    @EnviedField(varName: 'TITLE', obfuscate: false)
+    static String title = _Env.title;
+    @EnviedField(varName: 'INITIALVIEWPOINT', obfuscate: false)
+    static String initialViewPont = _Env.initialViewPont;
+    @EnviedField(varName: 'BASEMAP', obfuscate: false)
+    static String basemap = _Env.basemap;
+    @EnviedField(varName: 'HriVectorTileServicePortalItemID', obfuscate: false)
+    static String hriVectorTileServicePortalItemID = _Env.hriVectorTileServicePortalItemID;
+    @EnviedField(varName: 'HriFeatureServicePortalItemID', obfuscate: false)
+    static String hriFeatureServicePortalItemID = _Env.hriFeatureServicePortalItemID;
+    @EnviedField(varName: 'DrinkingWaterFeatureServicePortalItemID', obfuscate: false)
+    static String drinkingWaterFeatureServicePortalItemID = _Env.drinkingWaterFeatureServicePortalItemID;
+    @EnviedField(varName: 'PlacesServiceUrl', obfuscate: false)
+    static String placesServiceUrl = _Env.placesServiceUrl;
+    @EnviedField(varName: 'PlacesSearchRadius', obfuscate: false)
+    static String placesSearchRadius = _Env.placesSearchRadius;
+    @EnviedField(varName: 'PlacesCategoryDiningDrinkingId', obfuscate: false)
+    static String placesCategoryDiningDrinkingId = _Env.placesCategoryDiningDrinkingId;
+    @EnviedField(varName: 'PlacesCategoryHealthMedicineId', obfuscate: false)
+    static String placesCategoryHealthMedicineId = _Env.placesCategoryHealthMedicineId;
 }
diff --git a/native-apps/urban-heat-notifier/urban_heat_notifier/lib/main.dart b/native-apps/urban-heat-notifier/urban_heat_notifier/lib/main.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:arcgis_maps/arcgis_maps.dart';
+import 'dart:convert';
 import 'env/env.dart';
 
 void main() {
@@ -24,6 +25,9 @@ class MapScreen extends StatefulWidget {
 class _MapScreenState extends State<MapScreen> {
   bool _switchValue = false;
   final _mapViewController = ArcGISMapView.createController();
+  late ArcGISVectorTiledLayer _hriVectorTiledLayer;
+  late FeatureLayer _hriFeatureLayer;
+
 
   @override
   void initState() {
@@ -33,11 +37,14 @@ class _MapScreenState extends State<MapScreen> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
+      appBar: AppBar(
+        title: Text(Env.title)
+      ),
       body: Stack(
         children: [
           ArcGISMapView(
             controllerProvider: () => _mapViewController,
-            onMapViewReady: onMapViewReady
+            onMapViewReady: onMapViewReady            
       ),
       Positioned(
             bottom: 25,
@@ -62,18 +69,63 @@ class _MapScreenState extends State<MapScreen> {
   }
 
     void onMapViewReady() {
-      _mapViewController.arcGISMap = ArcGISMap.withBasemapStyle(BasemapStyle.arcGISLightGray);
+
+      BasemapStyle basemapStyle = BasemapStyle.values.firstWhere((e) => e.toString() == Env.basemap);
+      var map = ArcGISMap.withBasemapStyle(basemapStyle);
+
+
+      final parsedInitialViewPoint = jsonDecode(Env.initialViewPont);
+
+      map.initialViewpoint = Viewpoint.fromCenter(
+      ArcGISPoint(
+        x: double.parse(parsedInitialViewPoint["lon"].toString()),
+        y: double.parse(parsedInitialViewPoint["lat"].toString()),
+        spatialReference: SpatialReference.wgs84,
+      ),
+      scale: double.parse(parsedInitialViewPoint["scale"].toString()),
+    );
+
+
+      var portalItem = PortalItem.withPortalAndItemId(portal: Portal.arcGISOnline(), itemId: Env.hriVectorTileServicePortalItemID);
+      _hriVectorTiledLayer = ArcGISVectorTiledLayer.withItem(portalItem);
+      map.operationalLayers.add(_hriVectorTiledLayer);
+
+      portalItem = PortalItem.withPortalAndItemId(portal: Portal.arcGISOnline(), itemId: Env.hriFeatureServicePortalItemID);
+      _hriFeatureLayer = FeatureLayer.withFeatureLayerItem(portalItem);
+      _hriFeatureLayer.definitionExpression = "hri >= 9";
+      _hriFeatureLayer.opacity = .5;
+      map.operationalLayers.add(_hriFeatureLayer);
+
+      _mapViewController.arcGISMap = map;
 
       // Set the initial system location data source and auto-pan mode.
       _mapViewController.locationDisplay.dataSource = SystemLocationDataSource();
       _mapViewController.locationDisplay.autoPanMode = LocationDisplayAutoPanMode.compassNavigation;
+      _mapViewController.locationDisplay.initialZoomScale = 2000;
+
+      _mapViewController.onScaleChanged.listen((scale){
+        _toggleUserLocation();
+        _toggleLayerVisibility(scale);
+      });
   }
 
-    void _toggleUserLocation() {
+    void _toggleUserLocation() async {
       if (_switchValue) {
+        _mapViewController.locationDisplay.autoPanMode = LocationDisplayAutoPanMode.compassNavigation;
         _mapViewController.locationDisplay.start();
       } else {
+        _mapViewController.locationDisplay.autoPanMode = LocationDisplayAutoPanMode.off;
         _mapViewController.locationDisplay.stop();
       }
+  }
+
+      void _toggleLayerVisibility(double scale) async {
+      if (scale <= 10000) {
+        _hriVectorTiledLayer.isVisible = false;
+        _hriFeatureLayer.isVisible = true;
+      } else {
+        _hriVectorTiledLayer.isVisible = true;
+        _hriFeatureLayer.isVisible = false;
+      }
   }
 }
diff --git a/native-apps/urban-heat-notifier/urban_heat_notifier/pubspec.lock b/native-apps/urban-heat-notifier/urban_heat_notifier/pubspec.lock
@@ -813,10 +813,10 @@ packages:
     dependency: transitive
     description:
       name: url_launcher_linux
-      sha256: e2b9622b4007f97f504cd64c0128309dfb978ae66adbe944125ed9e1750f06af
+      sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
       url: "https://pub.dev"
     source: hosted
-    version: "3.2.0"
+    version: "3.2.1"
   url_launcher_macos:
     dependency: transitive
     description: