Feature layer (feature service)

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// Copyright 2022 Esri.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
// language governing permissions and limitations under the License.

using Esri.ArcGISRuntime.Geometry;
using Esri.ArcGISRuntime.Mapping;

namespace ArcGIS.Samples.FeatureLayerUrl
{
    [ArcGIS.Samples.Shared.Attributes.Sample(
        name: "Feature layer (feature service)",
        category: "Layers",
        description: "Show features from an online feature service.",
        instructions: "Run the sample and view the feature service as an operational layer on top of the basemap. Zoom and pan around the map to see the features in greater detail.",
        tags: new[] { "feature table", "layer", "layers", "service" })]
    public partial class FeatureLayerUrl : ContentPage
    {
        public FeatureLayerUrl()
        {
            InitializeComponent();

            // Create the UI, setup the control references and execute initialization
            Initialize();
        }

        private void Initialize()
        {
            // Create new Map with basemap
            Map myMap = new Map(BasemapStyle.ArcGISTerrain);

            // Create and set initial map location
            MapPoint initialLocation = new MapPoint(
                -13176752, 4090404, SpatialReferences.WebMercator);
            myMap.InitialViewpoint = new Viewpoint(initialLocation, 300000);

            // Create uri to the used feature service
            Uri serviceUri = new Uri(
                "https://sampleserver6.arcgisonline.com/arcgis/rest/services/Energy/Geology/FeatureServer/9");

            // Create new FeatureLayer from service uri and
            FeatureLayer geologyLayer = new FeatureLayer(serviceUri);

            // Add created layer to the map
            myMap.OperationalLayers.Add(geologyLayer);

            // Assign the map to the MapView
            MyMapView.Map = myMap;
        }
    }
}