Map load status

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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;
using Esri.ArcGISRuntime.Mapping;

namespace ArcGIS.Samples.AccessLoadStatus
{
    [ArcGIS.Samples.Shared.Attributes.Sample(
        name: "Map load status",
        category: "Map",
        description: "Determine the map's load status which can be: `NotLoaded`, `FailedToLoad`, `Loading`, `Loaded`.",
        instructions: "The load status of the map will be displayed as the sample loads.",
        tags: new[] { "load status", "loadable pattern", "map" })]
    public partial class AccessLoadStatus : ContentPage
    {
        public AccessLoadStatus()
        {
            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.ArcGISImageryStandard);

            // Register to handle loading status changes
            myMap.LoadStatusChanged += OnMapsLoadStatusChanged;

            // Provide used Map to the MapView
            myMapView.Map = myMap;
        }

        private void OnMapsLoadStatusChanged(object sender, LoadStatusEventArgs e)
        {
            // Make sure that the UI changes are done in the UI thread
            Microsoft.Maui.ApplicationModel.MainThread.BeginInvokeOnMainThread(() =>
            {
                // Update the load status information
                loadStatusLabel.Text = $"Map's load status : {e.Status}";
            });
        }
    }
}