button, label fontsize (Device.GetNamedSize)

XamarinStudy/XamarinStudy/XamarinStudy/App.xaml.cs

@@ -15,17 +15,30 @@ namespace XamarinStudy
 
 			DependencyService.Register<MockDataStore>();
 			//MainPage = new AppShell();
+
 			//MainPage = new SampleContentPage();
+
 			//MainPage = new NavigationPage(new SampleToolbarPage());
+
 			//MainPage = new SampleTabPage();
+
 			//TabbedPage tabbed = new TabbedPage();
 			//tabbed.Children.Add(new SampleContentPage() { Title = "Page1" });
 			//tabbed.Children.Add(new SampleToolbarPage() { Title = "Page2" });
 			//MainPage = tabbed;
+
 			//MainPage = new SampleCarouselPage();
+
 			//MainPage = new SampleFlyoutPage();
+
 			//MainPage = new SampleFlyoutPage2();
-			MainPage = new NavigationPage(new SampleNavigationPage());
+
+			//MainPage = new NavigationPage(new SampleNavigationPage());
+
+			TabbedPage tabbed = new TabbedPage();
+			tabbed.Children.Add(new SampleElementPage1() { Title = "XAML" });
+			tabbed.Children.Add(new SampleElementPage2() { Title = "CS" });
+			MainPage = tabbed;
 		}
 
 		protected override void OnStart()

XamarinStudy/XamarinStudy/XamarinStudy/Views/SampleElementPage1.xaml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="XamarinStudy.Views.SampleElementPage1">
+    <ContentPage.Content>
+        <StackLayout>
+            <Button x:Name="chageBackgroundColorButton" Text="Change background color" TextColor="White" BackgroundColor="Salmon" BorderWidth="15" CornerRadius="50" Clicked="chageBackgroundColorButton_Clicked">
+                
+            </Button>
+            <Label Text="This is Lable" TextColor="DarkSlateBlue" BackgroundColor="LightPink" FontSize="Large" FontAttributes="Bold"/>
+            <Label Text="This is Lable" TextColor="DarkSlateBlue" BackgroundColor="LightPink" FontSize="Large" FontAttributes="Bold" HorizontalTextAlignment="End"/>
+            <Label Text="This is Lable" TextColor="DarkSlateBlue" BackgroundColor="LightPink" FontSize="Large" FontAttributes="Bold" HorizontalTextAlignment="Start"/>
+            <Label Text="This is Lable" TextColor="DarkSlateBlue" BackgroundColor="LightPink" FontSize="Large" FontAttributes="Italic" HorizontalTextAlignment="Center"/>
+            <Label Text="This is 30 Lable" TextColor="Red" BackgroundColor="LightPink" FontSize="30" HorizontalTextAlignment="Center"/>
+        </StackLayout>
+    </ContentPage.Content>
+</ContentPage>

XamarinStudy/XamarinStudy/XamarinStudy/Views/SampleElementPage1.xaml.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace XamarinStudy.Views
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	public partial class SampleElementPage1 : ContentPage
+	{
+		public SampleElementPage1()
+		{
+			InitializeComponent();
+			BackgroundColor = Color.White;
+		}
+
+		private void chageBackgroundColorButton_Clicked(object sender, EventArgs e)
+		{
+			if (BackgroundColor == Color.White)
+				BackgroundColor = Color.Black;
+			else
+				BackgroundColor = Color.White;
+		}
+	}
+}

XamarinStudy/XamarinStudy/XamarinStudy/Views/SampleElementPage2.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Xamarin.Forms;
+
+namespace XamarinStudy.Views
+{
+	public class SampleElementPage2 : ContentPage
+	{
+		public SampleElementPage2()
+		{
+			BackgroundColor = Color.White;
+
+			Button changeBackgroundColorButton = new Button() { Text = "Change background color", BackgroundColor = Color.DarkViolet, FontSize = 30 };
+			changeBackgroundColorButton.Clicked += ChangeBackgroundColorButton_Clicked;
+			Label label1 = new Label() { Text = "CS Label", TextColor = Color.Red, BackgroundColor = Color.DeepSkyBlue, FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)) };
+			Label label2 = new Label() { Text = "CS 20 Label", TextColor = Color.Red, BackgroundColor = Color.DeepSkyBlue, FontSize = 30 };
+			Content = new StackLayout
+			{
+				Children =
+				{
+					changeBackgroundColorButton,
+					label1,
+					label2
+				}
+			};
+		}
+
+		private void ChangeBackgroundColorButton_Clicked(object sender, EventArgs e)
+		{
+			if (BackgroundColor == Color.White)
+				BackgroundColor = Color.DarkSlateGray;
+			else
+				BackgroundColor = Color.White;
+		}
+	}
+}

XamarinStudy/XamarinStudy/XamarinStudy/XamarinStudy.csproj

@@ -10,10 +10,19 @@
     <PackageReference Include="Xamarin.Essentials" Version="1.7.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Compile Update="Views\SampleElementPage1.xaml.cs">
+      <DependentUpon>SampleElementPage1.xaml</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
   <ItemGroup>
     <EmbeddedResource Update="Views\SampleContentPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+    <EmbeddedResource Update="Views\SampleElementPage1.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
     <EmbeddedResource Update="Views\SampleFlyoutPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>