Sample for removing expnader runtime from listview

MauiExpander/App.xaml

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+<?xml version = "1.0" encoding = "UTF-8" ?>
+<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:local="clr-namespace:MauiExpander"
+             x:Class="MauiExpander.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

MauiExpander/App.xaml.cs

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+namespace MauiExpander
+{
+    public partial class App : Application
+    {
+        public App()
+        {
+            InitializeComponent();
+
+            MainPage = new MainPage();
+        }
+    }
+}

MauiExpander/AppShell.xaml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<Shell
+    x:Class="MauiExpander.AppShell"
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="clr-namespace:MauiExpander"
+    Shell.FlyoutBehavior="Disabled"
+    Title="MauiExpander">
+
+    <ShellContent
+        Title="Home"
+        ContentTemplate="{DataTemplate local:MainPage}"
+        Route="MainPage" />
+
+</Shell>

MauiExpander/AppShell.xaml.cs

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+namespace MauiExpander
+{
+    public partial class AppShell : Shell
+    {
+        public AppShell()
+        {
+            InitializeComponent();
+        }
+    }
+}

MauiExpander/MauiExpander.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
+		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+		<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>MauiExpander</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>MauiExpander</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.mauiexpander</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
+		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
+		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+		<PackageReference Include="Syncfusion.Maui.Expander" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
+	</ItemGroup>
+
+</Project>

MauiExpander/MauiExpander.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34309.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MauiExpander", "MauiExpander.csproj", "{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C0395EF7-B55C-42B0-A6C6-EB72275A82CB}.Release|Any CPU.Deploy.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {173F538E-0CAC-4F8B-9FA9-6CAE5DA68E9A}
+	EndGlobalSection
+EndGlobal

MauiExpander/MauiProgram.cs

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+using Microsoft.Extensions.Logging;
+using Syncfusion.Maui.Core.Hosting;
+
+namespace MauiExpander
+{
+    public static class MauiProgram
+    {
+        public static MauiApp CreateMauiApp()
+        {
+            var builder = MauiApp.CreateBuilder();
+            builder
+                .UseMauiApp<App>()
+                .ConfigureFonts(fonts =>
+                {
+                    fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+                    fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
+                });
+            builder.ConfigureSyncfusionCore();
+#if DEBUG
+    		builder.Logging.AddDebug();
+#endif
+
+            return builder.Build();
+        }
+    }
+}

MauiExpander/Model/InboxInfo.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MauiExpander
+{
+    public class InboxInfo : INotifyPropertyChanged
+    {
+        private string title;
+        private string subject;
+        private string desc;
+        private string date;
+        private bool isExpanded;
+        private FontAttributes fontStyle = FontAttributes.Bold;
+
+
+        public InboxInfo()
+        {
+
+        }
+
+        public string Title
+        {
+            get { return title; }
+            set
+            {
+                title = value;
+                OnPropertyChanged("Title");
+            }
+        }
+
+        public string Subject
+        {
+            get
+            {
+                return subject;
+            }
+
+            set
+            {
+                subject = value;
+                OnPropertyChanged("Subject");
+            }
+        }
+
+        public string Description
+        {
+            get
+            {
+                return desc;
+            }
+
+            set
+            {
+                desc = value;
+                OnPropertyChanged("Description");
+            }
+        }
+
+        public string Date
+        {
+            get
+            {
+                return date;
+            }
+
+            set
+            {
+                date = value;
+                OnPropertyChanged("Date");
+            }
+        }
+
+        public FontAttributes FontStyle
+        {
+            get
+            {
+                return fontStyle;
+            }
+            set
+            {
+                fontStyle = value;
+                OnPropertyChanged("FontStyle");
+            }
+        }
+
+        public bool IsExpanded
+        {
+            get
+            {
+                return isExpanded;
+            }
+            set
+            {
+                isExpanded = value;
+                OnPropertyChanged("IsExpanded");
+            }
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public void OnPropertyChanged(string name)
+        {
+            if (this.PropertyChanged != null)
+                this.PropertyChanged(this, new PropertyChangedEventArgs(name));
+        }
+
+    }
+}