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[Automated] Sync v.next with main (#1679)
Co-authored-by: Praveenaa Kulandhaivel <[email protected]>
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30 files changed

+2721
-98
lines changed

‎src/MAUI/Maui.Samples/ArcGIS.Samples.Maui.csproj‎

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<PackageReference Include="Esri.Calcite.Maui" />
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<PackageReference Include="Markdig" />
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<PackageReference Include="System.Drawing.Common" />
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<PackageReference Include="Microsoft.Maui.Controls"/>
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<PackageReference Include="Microsoft.Maui.Controls.Compatibility"/>
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<PackageReference Include="Microsoft.Maui.Controls" />
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<PackageReference Include="Microsoft.Maui.Controls.Compatibility" />
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</ItemGroup>
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<!-- WinUIEx is used to workaround the lack of a WebAuthenticationBroker for WinUI. https://github.com/microsoft/WindowsAppSDK/issues/441 -->
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<MauiAsset Update="Converters\*.cs">
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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</MauiAsset>
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<Compile Update="Samples\Search\QueryDynamicEntities\CustomStreamService.cs">
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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</Compile>
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<Compile Update="Samples\Search\QueryDynamicEntities\FlightInfo.cs">
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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</Compile>
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<MauiXaml Update="Controls\CategoriesFlyoutContent.xaml">
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<Generator>MSBuild:Compile</Generator>
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</MauiXaml>

‎src/MAUI/Maui.Samples/Samples/Layers/ApplyRenderersToSceneLayer/readme.metadata.json‎

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{
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"category": "Layers",
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"description": "Change the appearance of a 3D object scene layer with different renderers.",
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"formal_name": "ApplyRenderersToSceneLayer",
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"ignore": false,
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"images": [
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"applyrendererstoscenelayer.jpg"
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],
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"keywords": [
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"3d tiles",
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"OGC",
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"OGC API",
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"layers",
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"scene",
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"service"
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],
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"offline_data": [],
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"redirect_from": [],
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"relevant_apis": [
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"ArcGISScene",
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"ArcGISSceneLayer",
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"ClassBreaksRenderer",
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"MultilayerMeshSymbol",
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"SceneView",
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"SimpleRenderer",
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"SymbolLayerEdges3D",
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"UniqueValueRenderer"
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],
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"snippets": [
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"ApplyRenderersToSceneLayer.xaml.cs",
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"ApplyRenderersToSceneLayer.xaml"
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],
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"title": "Apply renderers to scene layer"
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"category": "Layers",
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"description": "Change the appearance of a 3D object scene layer with different renderers.",
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"formal_name": "ApplyRenderersToSceneLayer",
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"ignore": false,
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"images": [
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"applyrendererstoscenelayer.jpg"
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],
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"keywords": [
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"3d tiles",
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"OGC",
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"OGC API",
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"layers",
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"scene",
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"service"
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],
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"offline_data": [],
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"redirect_from": [],
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"relevant_apis": [
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"ArcGISScene",
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"ArcGISSceneLayer",
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"ClassBreaksRenderer",
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"MultilayerMeshSymbol",
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"SceneView",
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"SimpleRenderer",
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"SymbolLayerEdges3D",
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"UniqueValueRenderer"
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],
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"snippets": [
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"ApplyRenderersToSceneLayer.xaml.cs",
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"ApplyRenderersToSceneLayer.xaml"
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],
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"title": "Apply renderers to scene layer"
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}

‎src/MAUI/Maui.Samples/Samples/Search/QueryDynamicEntities/CustomStreamService.cs‎

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// Copyright 2025 Esri.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
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// language governing permissions and limitations under the License.
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using Esri.ArcGISRuntime.Geometry;
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using Esri.ArcGISRuntime.RealTime;
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using System.Text.Json;
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namespace ArcGIS.Samples.QueryDynamicEntities
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{
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public class CustomStreamService : DynamicEntityDataSource
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{
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private readonly DynamicEntityDataSourceInfo _info;
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private readonly string _dataPath;
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private readonly TimeSpan _delay;
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private CancellationTokenSource _cancellationTokenSource;
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private Task _dataFeedTask;
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// Initializes the custom stream service with data source info and file path.
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public CustomStreamService(DynamicEntityDataSourceInfo info, string dataPath, TimeSpan delay)
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{
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_info = info;
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_dataPath = dataPath;
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_delay = delay;
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}
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// Returns the data source information while loading the service.
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protected override Task<DynamicEntityDataSourceInfo> OnLoadAsync() =>
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Task.FromResult(_info);
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// Starts the data feed processing task when connecting to the service.
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protected override Task OnConnectAsync(CancellationToken cancellationToken)
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{
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_cancellationTokenSource = new CancellationTokenSource();
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_dataFeedTask = ProcessDataFeedAsync(_cancellationTokenSource.Token);
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return Task.CompletedTask;
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}
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// Cancels the data feed processing task and cleans up resources when disconnecting from the service.
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protected override async Task OnDisconnectAsync()
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{
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_cancellationTokenSource?.Cancel();
48+
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if (_dataFeedTask != null)
50+
{
51+
try
52+
{
53+
await _dataFeedTask;
54+
}
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catch (OperationCanceledException)
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{
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}
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}
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_cancellationTokenSource?.Dispose();
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}
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// Reads and processes flight data from JSON file line by line with delays.
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private async Task ProcessDataFeedAsync(CancellationToken cancellationToken)
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{
66+
try
67+
{
68+
if (!File.Exists(_dataPath))
69+
throw new FileNotFoundException("Flight data file not found.", _dataPath);
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// Read all lines off the UI thread. Each line should contain one JSON object.
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var lines = await File.ReadAllLinesAsync(_dataPath, cancellationToken);
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foreach (var line in lines)
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{
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if (cancellationToken.IsCancellationRequested) break;
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try
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{
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// Parse a single JSON line (newline-delimited JSON format).
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using (JsonDocument document = JsonDocument.Parse(line))
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{
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var root = document.RootElement;
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// Geometry section (expected: { "geometry": { "x": <double>, "y": <double> } })
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if (root.TryGetProperty("geometry", out JsonElement geometryElement))
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{
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double x = 0, y = 0;
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// Extract X coordinate (defaults remain 0 if missing or invalid).
91+
if (geometryElement.TryGetProperty("x", out JsonElement xElement))
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x = xElement.GetDouble();
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// Extract Y coordinate.
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if (geometryElement.TryGetProperty("y", out JsonElement yElement))
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y = yElement.GetDouble();
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// Create geometry in WGS84.
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var point = new MapPoint(x, y, SpatialReferences.Wgs84);
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// Collect attribute key/value pairs.
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var attributes = new Dictionary<string, object>();
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if (root.TryGetProperty("attributes", out JsonElement attributesElement))
105+
{
106+
foreach (var property in attributesElement.EnumerateObject())
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{
108+
object value = property.Value.ValueKind switch
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{
110+
JsonValueKind.String => property.Value.GetString(),
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JsonValueKind.Number when property.Value.TryGetInt32(out int intValue) => intValue,
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JsonValueKind.Number => property.Value.GetDouble(),
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JsonValueKind.True => true,
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JsonValueKind.False => false,
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JsonValueKind.Null => null,
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_ => property.Value.ToString()
117+
};
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attributes[property.Name] = value;
120+
}
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}
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// Add the observation to the data source.
123+
AddObservation(point, attributes);
124+
}
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}
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// Introduce a delay to simulate real-time data feed.
127+
await Task.Delay(_delay, cancellationToken);
128+
}
129+
catch (JsonException ex)
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{
131+
System.Diagnostics.Debug.WriteLine($"Error parsing JSON line: {ex.Message}");
132+
continue;
133+
}
134+
}
135+
}
136+
catch (Exception ex)
137+
{
138+
System.Diagnostics.Debug.WriteLine($"Data feed error: {ex.Message}");
139+
}
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}
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}
142+
}

‎src/MAUI/Maui.Samples/Samples/Search/QueryDynamicEntities/FlightInfo.cs‎

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// Copyright 2025 Esri.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
5+
//
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// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
7+
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
8+
// language governing permissions and limitations under the License.
9+
10+
using Esri.ArcGISRuntime.RealTime;
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using System.Collections.Generic;
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using System.ComponentModel;
13+
using System.Runtime.CompilerServices;
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15+
namespace ArcGIS.Samples.QueryDynamicEntities
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{
17+
public class FlightInfo : INotifyPropertyChanged
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{
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// The dynamic entity representing the flight.
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public DynamicEntity Entity { get; }
21+
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// Backing fields for flight attributes.
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private string _flightNumber;
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private string _aircraft;
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private string _altitude;
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private string _speed;
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private string _heading;
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private string _status;
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private string _arrivalAirport;
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private bool _isExpanded;
31+
32+
// Initializes flight info with entity and subscribes to change events.
33+
public FlightInfo(DynamicEntity entity)
34+
{
35+
Entity = entity;
36+
UpdateAttributes();
37+
Entity.DynamicEntityChanged += OnEntityChanged;
38+
}
39+
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public bool IsExpanded
41+
{
42+
get => _isExpanded;
43+
set
44+
{
45+
if (_isExpanded != value)
46+
{
47+
_isExpanded = value;
48+
OnPropertyChanged();
49+
OnPropertyChanged(nameof(ToggleButtonText));
50+
}
51+
}
52+
}
53+
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// Text for the toggle button based on expansion state.
55+
public string ToggleButtonText => IsExpanded ? "Hide Details" : "Show Details";
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// Updates field value and raises property changed event if value differs.
58+
private bool SetField<T>(ref T field, T value, [CallerMemberName] string name = null)
59+
{
60+
if (EqualityComparer<T>.Default.Equals(field, value)) return false;
61+
field = value;
62+
OnPropertyChanged(name);
63+
return true;
64+
}
65+
66+
public string FlightNumber { get => _flightNumber; private set => SetField(ref _flightNumber, value); }
67+
public string Aircraft { get => _aircraft; private set => SetField(ref _aircraft, value); }
68+
public string Altitude { get => _altitude; private set => SetField(ref _altitude, value); }
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public string Speed { get => _speed; private set => SetField(ref _speed, value); }
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public string Heading { get => _heading; private set => SetField(ref _heading, value); }
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public string Status { get => _status; private set => SetField(ref _status, value); }
72+
public string ArrivalAirport { get => _arrivalAirport; private set => SetField(ref _arrivalAirport, value); }
73+
74+
// Retrieves attribute value from entity or returns default if not found.
75+
private string GetAttribute(string key, string defaultValue)
76+
{
77+
if (Entity?.Attributes != null && Entity.Attributes.TryGetValue(key, out var value))
78+
return value?.ToString() ?? defaultValue;
79+
return defaultValue;
80+
}
81+
82+
// Formats numeric string to zero decimal places or returns original if not numeric.
83+
private string FormatNumber(string value)
84+
{
85+
if (double.TryParse(value, out double number))
86+
return number.ToString("F0");
87+
return value;
88+
}
89+
90+
// Refreshes all flight attribute properties from the entity.
91+
private void UpdateAttributes()
92+
{
93+
FlightNumber = GetAttribute("flight_number", "N/A");
94+
Aircraft = GetAttribute("aircraft", "Unknown");
95+
Altitude = FormatNumber(GetAttribute("altitude_feet", "0"));
96+
Speed = FormatNumber(GetAttribute("speed", "0"));
97+
Heading = FormatNumber(GetAttribute("heading", "0"));
98+
Status = GetAttribute("status", "Unknown");
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ArrivalAirport = GetAttribute("arrival_airport", "N/A");
100+
}
101+
102+
// Updates attributes when entity receives new observation data.
103+
private void OnEntityChanged(object sender, DynamicEntityChangedEventArgs e)
104+
{
105+
if (e.ReceivedObservation != null)
106+
{
107+
UpdateAttributes();
108+
}
109+
}
110+
111+
// INotifyPropertyChanged implementation.
112+
public event PropertyChangedEventHandler PropertyChanged;
113+
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// Raises property changed event for data binding updates.
115+
protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null) =>
116+
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
117+
}
118+
}

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