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PiruthivirajMPiruthivirajM
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Merge pull request #1 from SujaVenkatesan/sample
MAUI-4054 : How to sort the items by datetime property along with Grouping in .Net Maui (SfListview)
2 parents 63b211b + 5cb4972 commit 7c4f49f

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‎ListViewMaui/ListViewMaui.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.0.31611.283
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ListViewMaui", "ListViewMaui\ListViewMaui.csproj", "{02F7D986-E626-42A6-A9A1-B36C96C4290B}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{02F7D986-E626-42A6-A9A1-B36C96C4290B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{02F7D986-E626-42A6-A9A1-B36C96C4290B}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{02F7D986-E626-42A6-A9A1-B36C96C4290B}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
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{02F7D986-E626-42A6-A9A1-B36C96C4290B}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{02F7D986-E626-42A6-A9A1-B36C96C4290B}.Release|Any CPU.Build.0 = Release|Any CPU
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{02F7D986-E626-42A6-A9A1-B36C96C4290B}.Release|Any CPU.Deploy.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {61F7FB11-1E47-470C-91E2-47F8143E1572}
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EndGlobalSection
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EndGlobal

‎ListViewMaui/ListViewMaui/App.xaml‎

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

‎ListViewMaui/ListViewMaui/App.xaml.cs‎

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

‎ListViewMaui/ListViewMaui/AppShell.xaml‎

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

‎ListViewMaui/ListViewMaui/AppShell.xaml.cs‎

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

‎ListViewMaui/ListViewMaui/Helper/Behavior.cs‎

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using ListViewMaui.Helper;
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using Microsoft.Maui.Controls;
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using Syncfusion.Maui.DataSource;
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using Syncfusion.Maui.DataSource.Extensions;
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using Syncfusion.Maui.ListView;
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using Syncfusion.Maui.ListView.Helpers;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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namespace ListViewMaui
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{
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public class Behavior:Behavior<ContentPage>
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{
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#region Fields
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private Syncfusion.Maui.ListView.SfListView listView;
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#endregion
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#region Overrides
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protected override void OnAttachedTo(ContentPage bindable)
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{
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listView = bindable.FindByName<Syncfusion.Maui.ListView.SfListView>("listView");
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listView.DataSource.GroupDescriptors.Add(new GroupDescriptor()
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{
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PropertyName = "DateOfBirth",
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KeySelector = (object obj1) =>
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{
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var item = (obj1 as Contacts);
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return item.DateOfBirth.Year;
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},
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});
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this.listView.DataSource.SortDescriptors.Add(new SortDescriptor()
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{
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PropertyName = "DateOfBirth",
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Direction = ListSortDirection.Ascending
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});
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base.OnAttachedTo(bindable);
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}
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protected override void OnDetachingFrom(ContentPage bindable)
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{
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listView = null;
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base.OnDetachingFrom(bindable);
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}
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#endregion
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}
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}

‎ListViewMaui/ListViewMaui/Helper/CustomGroupComparer.cs‎

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using Syncfusion.Maui.DataSource.Extensions;
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using Syncfusion.Maui.DataSource;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ListViewMaui.Helper
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{
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class CustomGroupComparer : IComparer<GroupResult>, ISortDirection
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{
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public CustomGroupComparer()
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{
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this.SortDirection = ListSortDirection.Ascending;
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}
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public ListSortDirection SortDirection
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{
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get;
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set;
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}
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public int Compare(GroupResult x, GroupResult y)
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{
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DateTime xvalue = Convert.ToDateTime(x.Key);
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DateTime yvalue = Convert.ToDateTime(y.Key);
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// Group results are compared and return the SortDirection
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if (xvalue.CompareTo(yvalue) > 0)
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return SortDirection == ListSortDirection.Ascending ? 1 : -1;
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else if (xvalue.CompareTo(yvalue) == -1)
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return SortDirection == ListSortDirection.Ascending ? -1 : 1;
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else
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return 0;
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}
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}
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}

‎ListViewMaui/ListViewMaui/ListViewMaui.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>net6.0-android;net6.0-ios;net6.0-maccatalyst</TargetFrameworks>
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<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net6.0-windows10.0.19041.0</TargetFrameworks>
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<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
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<!-- <TargetFrameworks>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
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<OutputType>Exe</OutputType>
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<RootNamespace>ListViewMaui</RootNamespace>
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<UseMaui>true</UseMaui>
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<SingleProject>true</SingleProject>
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<ImplicitUsings>enable</ImplicitUsings>
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<!-- Display name -->
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<ApplicationTitle>ListViewMaui</ApplicationTitle>
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<!-- App Identifier -->
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<ApplicationId>com.companyname.listviewmaui</ApplicationId>
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<ApplicationIdGuid>056ca992-8c2e-48d1-8b06-7eace6d8c73d</ApplicationIdGuid>
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<!-- Versions -->
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<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
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<ApplicationVersion>1</ApplicationVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
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<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
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</PropertyGroup>
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<ItemGroup>
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<!-- App Icon -->
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<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
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<!-- Splash Screen -->
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<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
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<!-- Images -->
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<MauiImage Include="Resources\Images\*" />
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<MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
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<!-- Custom Fonts -->
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<MauiFont Include="Resources\Fonts\*" />
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<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
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<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Maui.ListView" Version="*" />
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</ItemGroup>
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<ItemGroup>
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<Compile Update="View\MainPage.xaml.cs">
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<DependentUpon>%(Filename)</DependentUpon>
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</Compile>
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</ItemGroup>
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<ItemGroup>
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<MauiXaml Update="View\MainPage.xaml">
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<Generator>MSBuild:Compile</Generator>
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</MauiXaml>
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</ItemGroup>
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</Project>

‎ListViewMaui/ListViewMaui/MauiProgram.cs‎

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

‎ListViewMaui/ListViewMaui/Model/Contacts.cs‎

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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ListViewMaui
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{
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public class Contacts : INotifyPropertyChanged
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{
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private string contactName;
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private DateTimeOffset dateOfBirth;
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public Contacts(string name, DateTimeOffset number)
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{
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contactName = name;
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dateOfBirth = number;
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}
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public Contacts()
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{
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}
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public string ContactName
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{
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get { return contactName; }
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set
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{
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if (contactName != value)
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{
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contactName = value;
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this.RaisedOnPropertyChanged("ContactName");
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}
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}
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}
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public DateTimeOffset DateOfBirth
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{
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get { return dateOfBirth; }
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set
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{
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if (dateOfBirth != value)
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{
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dateOfBirth = value;
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this.RaisedOnPropertyChanged("DateOfBirth");
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}
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}
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}
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public event PropertyChangedEventHandler PropertyChanged;
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public void RaisedOnPropertyChanged(string _PropertyName)
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{
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if (PropertyChanged != null)
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{
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PropertyChanged(this, new PropertyChangedEventArgs(_PropertyName));
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}
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}
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}
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}

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