Merge pull request #1 from AnanthaLakshmiKannan/master

Added KB for How to access a named ListView inside a XAML DataTemplate in .NET MAUI (SfListView)?

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:ListViewMaui"
+             x:Class="ListViewMaui.App">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
+                <ResourceDictionary Source="Resources/Styles/Styles.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

App.xaml.cs

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

Helper/Behavior.cs

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+using Syncfusion.Maui.ListView;
+using Syncfusion.Maui.Popup;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ListViewMaui
+{
+    public class GridBehavior : Behavior<Grid>
+    {
+        Grid grid;
+        SfListView listView;
+        Button button;
+        protected override void OnAttachedTo(BindableObject bindable)
+        {
+            grid = bindable as Grid;
+            grid.ChildAdded += Grid_ChildAdded;
+        }
+        //Method 1 : Get SfListView reference using Grid.ChildAdded Event
+        private void Grid_ChildAdded(object sender, ElementEventArgs e)
+        {
+            if (e.Element is SfListView)
+            {
+                listView = e.Element as SfListView;
+                listView.RefreshView();
+            }
+            if (e.Element is Button)
+            {
+                button = e.Element as Button;
+                button.Clicked += Button_Clicked;
+            }
+        }
+        //Method 2 : Get SfListView reference using FindByName
+        private void Button_Clicked(object sender, EventArgs e)
+        {
+            listView = grid.FindByName<SfListView>("listView");
+            App.Current.MainPage.DisplayAlert("Information", "ListView instance obtained", "Ok");
+            listView.ItemTapped += ListView_ItemTapped;
+        }
+
+        private void ListView_ItemTapped(object sender, Syncfusion.Maui.ListView.ItemTappedEventArgs e)
+        {
+            App.Current.MainPage.DisplayAlert("Information", "ListView ItemTapped", "Ok");
+        }
+
+        protected override void OnDetachingFrom(BindableObject bindable)
+        {
+            button.Clicked -= Button_Clicked;
+            grid.ChildAdded -= Grid_ChildAdded;
+            listView.ItemTapped -= ListView_ItemTapped;
+            listView = null;
+            button = null;
+            grid = null;
+            base.OnDetachingFrom(bindable);
+        }
+    }
+
+    public class ContentPageBehavior : Behavior<ContentPage>
+    {
+        ContentPage page;
+        SfPopup popupLayout;
+        Button button;
+        protected override void OnAttachedTo(ContentPage bindable)
+        {
+            //page = bindable;
+            popupLayout = bindable.FindByName<SfPopup>("popupLayout");
+            button = bindable.FindByName<Button>("ShowPopup");
+            button.Clicked += Button_Clicked;
+            base.OnAttachedTo(bindable);
+        }
+
+        private void Button_Clicked(object sender, EventArgs e)
+        {
+            popupLayout.Show();
+        }
+
+        protected override void OnDetachingFrom(ContentPage bindable)
+        {
+            button.Clicked -= Button_Clicked;
+            base.OnDetachingFrom(bindable);
+        }
+    }
+}

ListViewMaui.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>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
+
+		<!-- Note for MacCatalyst:
+		The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
+		When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
+		The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
+		either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
+		<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
+
+		<OutputType>Exe</OutputType>
+		<RootNamespace>ListViewMaui</RootNamespace>
+		<UseMaui>true</UseMaui>
+		<SingleProject>true</SingleProject>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
+
+		<!-- Display name -->
+		<ApplicationTitle>ListViewMaui</ApplicationTitle>
+
+		<!-- App Identifier -->
+		<ApplicationId>com.companyname.listviewmaui</ApplicationId>
+
+		<!-- Versions -->
+		<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
+		<ApplicationVersion>1</ApplicationVersion>
+
+		<SupportedOSPlatformVersion Condition="$([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('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<!-- App Icon -->
+		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
+
+		<!-- Splash Screen -->
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+
+		<!-- Images -->
+		<MauiImage Include="Resources\Images\*" />
+		<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
+
+		<!-- Custom Fonts -->
+		<MauiFont Include="Resources\Fonts\*" />
+
+		<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
+		<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <None Remove="Images\image_a.png" />
+	  <None Remove="Images\image_b.png" />
+	  <None Remove="Images\image_c.png" />
+	  <None Remove="Images\image_d.png" />
+	  <None Remove="Images\image_e.png" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
+		<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
+		<PackageReference Include="Syncfusion.Maui.Popup" Version="*" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <MauiImage Include="Images\image_a.png" />
+	  <MauiImage Include="Images\image_b.png" />
+	  <MauiImage Include="Images\image_c.png" />
+	  <MauiImage Include="Images\image_d.png" />
+	  <MauiImage Include="Images\image_e.png" />
+	</ItemGroup>
+
+</Project>

ListViewMaui.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34330.188
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ListViewMaui", "ListViewMaui.csproj", "{3057B52E-49F9-4762-A642-5F81DCEBC106}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3057B52E-49F9-4762-A642-5F81DCEBC106}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3057B52E-49F9-4762-A642-5F81DCEBC106}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3057B52E-49F9-4762-A642-5F81DCEBC106}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
+		{3057B52E-49F9-4762-A642-5F81DCEBC106}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3057B52E-49F9-4762-A642-5F81DCEBC106}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3057B52E-49F9-4762-A642-5F81DCEBC106}.Release|Any CPU.Deploy.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {325E1898-6963-491C-A60C-C15C777F6084}
+	EndGlobalSection
+EndGlobal

MauiProgram.cs

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

Model/Contacts.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 ListViewMaui
+{
+    public class Contacts : INotifyPropertyChanged
+    {
+        private string contactName;
+        private string contactNumber;
+        private ImageSource image;
+        private ImageSource contactType;
+
+        public Contacts(string name, string number)
+        {
+            contactName = name;
+            contactNumber = number;
+        }
+
+        public Contacts()
+        {
+        }
+
+        public string ContactName
+        {
+            get { return contactName; }
+            set
+            {
+                if (contactName != value)
+                {
+                    contactName = value;
+                    this.RaisedOnPropertyChanged("ContactName");
+                }
+            }
+        }
+
+        public string ContactNumber
+        {
+            get { return contactNumber; }
+            set
+            {
+                if (contactNumber != value)
+                {
+                    contactNumber = value;
+                    this.RaisedOnPropertyChanged("ContactNumber");
+                }
+            }
+        }
+
+        public ImageSource ContactImage
+        {
+            get { return this.image; }
+            set
+            {
+                this.image = value;
+                this.RaisedOnPropertyChanged("ContactImage");
+            }
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public void RaisedOnPropertyChanged(string _PropertyName)
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChanged(this, new PropertyChangedEventArgs(_PropertyName));
+            }
+        }
+    }
+}

Platforms/Android/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+	<uses-permission android:name="android.permission.INTERNET" />
+</manifest>

Platforms/Android/MainActivity.cs

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+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace ListViewMaui
+{
+    [Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+    public class MainActivity : MauiAppCompatActivity
+    {
+    }
+}

Platforms/Android/MainApplication.cs

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+using Android.App;
+using Android.Runtime;
+
+namespace ListViewMaui
+{
+    [Application]
+    public class MainApplication : MauiApplication
+    {
+        public MainApplication(IntPtr handle, JniHandleOwnership ownership)
+            : base(handle, ownership)
+        {
+        }
+
+        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+    }
+}

Platforms/Android/Resources/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#512BD4</color>
+    <color name="colorPrimaryDark">#2B0B98</color>
+    <color name="colorAccent">#2B0B98</color>
+</resources>

Platforms/MacCatalyst/AppDelegate.cs

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+using Foundation;
+
+namespace ListViewMaui
+{
+    [Register("AppDelegate")]
+    public class AppDelegate : MauiUIApplicationDelegate
+    {
+        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+    }
+}

Platforms/MacCatalyst/Entitlements.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <!-- See https://aka.ms/maui-publish-app-store#add-entitlements for more information about adding entitlements.-->
+    <dict>
+        <!-- App Sandbox must be enabled to distribute a MacCatalyst app through the Mac App Store. -->
+        <key>com.apple.security.app-sandbox</key>
+        <true/>
+        <!-- When App Sandbox is enabled, this value is required to open outgoing network connections. -->
+        <key>com.apple.security.network.client</key>
+        <true/>
+    </dict>
+</plist>
+