Update TabViewPage and related types in sample project (CommunityTool…

…kit#121)

* Remove the original csharp only implementation of `TabViewPage` and replaced it with a XAML with code-behind implementation.
* Add `TabViewViewModel` for the `TabView` sample page.

samples/CommunityToolkit.Maui.Sample/Pages/Views/TabViewPage.xaml

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<pages:BasePage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+ xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+ xmlns:pages="clr-namespace:CommunityToolkit.Maui.Sample.Pages"
+ xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/tookit"
+ xmlns:tv="clr-namespace:CommunityToolkit.Maui.Views.TabView;assembly=CommunityToolkit.Maui"
+ x:Class="CommunityToolkit.Maui.Sample.Pages.Views.TabViewPage">
+ <Grid>
+ <tv:TabView
+ TabStripPlacement="Bottom"
+ TabStripBackgroundColor="Blue"
+ TabStripHeight="60"
+ TabIndicatorColor="Yellow"
+ TabContentBackgroundColor="Yellow">
+
+ <tv:TabViewItem
+ Icon="triangle.png"
+ Text="Tab 1"
+ TextColor="White"
+ TextColorSelected="Yellow"
+ FontSize="12">
+ <Grid 
+ BackgroundColor="Gray">
+ <Label
+ HorizontalOptions="Center"
+ VerticalOptions="Center"
+ Text="TabContent1" />
+ </Grid>
+ </tv:TabViewItem>
+
+ <tv:TabViewItem
+ Icon="circle.png"
+ Text="Tab 2"
+ TextColor="White"
+ TextColorSelected="Yellow"
+ FontSize="12">
+ <Grid>
+ <Label 
+ HorizontalOptions="Center"
+ VerticalOptions="Center"
+ Text="TabContent2" />
+ </Grid>
+ </tv:TabViewItem>
+ </tv:TabView>
+ </Grid>
+</pages:BasePage>

samples/CommunityToolkit.Maui.Sample/Pages/Views/TabViewPage.xaml.cs

@@ -0,0 +1,8 @@
+using CommunityToolkit.Maui.Sample.Pages;
+
+namespace CommunityToolkit.Maui.Sample;
+
+public partial class TabViewPage : BasePage
+{
+
+}

samples/CommunityToolkit.Maui.Sample/ViewModels/Views/TabViewViewModel.cs

@@ -0,0 +1,10 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CommunityToolkit.Maui.Sample.ViewModels.Views;
+public partial class TabViewViewModel : BaseViewModel
+{
+}