Feature layer (GeoPackage)

This sample demonstrates how to open a GeoPackage and show a GeoPackage feature table in a feature layer.

Feature layer from a GeoPackage dataset


The GeoPackage will be downloaded from an ArcGIS Online portal automatically.


// Copyright 2017 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 System.Linq;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.UI.Controls;
using Foundation;
using UIKit;
using System.IO;
using System.Threading.Tasks;
using Esri.ArcGISRuntime.Data;

namespace ArcGISRuntimeXamarin.Samples.FeatureLayerGeoPackage
    public class FeatureLayerGeoPackage : UIViewController
        // Create and hold reference to the used MapView
        private MapView _myMapView = new MapView();

        public FeatureLayerGeoPackage()
            Title = "Feature layer (GeoPackage)";

        public override void ViewDidLoad()

        public override void ViewDidLayoutSubviews()

            // Update the UI to account for new layout
            _myMapView.Frame = new CoreGraphics.CGRect(0, 0, View.Bounds.Width, View.Bounds.Height);

        private async void Initialize()
            // Create a new map centered on Aurora Colorado
            _myMapView.Map = new Map(BasemapType.LightGrayCanvasVector, 39.7294, -104.8319, 9);

            // Get the full path
            string geoPackagePath = await GetGeoPackagePath();

            // Open the GeoPackage
            GeoPackage myGeoPackage = await GeoPackage.OpenAsync(geoPackagePath);

            // Read the feature tables and get the first one
            FeatureTable geoPackageTable = myGeoPackage.GeoPackageFeatureTables.FirstOrDefault();

            // Make sure a feature table was found in the package
            if (geoPackageTable == null) { return; }

            // Create a layer to show the feature table
            FeatureLayer newLayer = new FeatureLayer(geoPackageTable);
            await newLayer.LoadAsync();

            // Add the feature table as a layer to the map (with default symbology)

        private async Task<string> GetGeoPackagePath()
            // This code assumes that you have already installed the file at the specified path.
	    // For more information and examples of using offline data, see https://github.com/Esri/arcgis-runtime-samples-dotnet/wiki/Offline-Data
	    // The referenced item can be found at http://www.arcgis.com/home/item.html?id=68ec42517cdd439e81b036210483e8e7
	    return Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.ApplicationData), "AuroraCO.shp" );

        private void CreateLayout()
            // Add MapView to the page

In this topic
  1. Instructions
  2. Code