MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="WinRT_API_LocalNotification.MainPage">

    <ScrollView>
        <VerticalStackLayout
            Padding="30,0"
            Spacing="25">
            <Image
                Source="dotnet_bot.png"
                HeightRequest="185"
                Aspect="AspectFit"
                SemanticProperties.Description="dot net bot in a hovercraft number nine" />

            <Label
                Text="Hello, World!"
                Style="{StaticResource Headline}"
                SemanticProperties.HeadingLevel="Level1" />

            <Label
                Text="Welcome to &#10;.NET Multi-platform App UI"
                Style="{StaticResource SubHeadline}"
                SemanticProperties.HeadingLevel="Level2"
                SemanticProperties.Description="Welcome to dot net Multi platform App U I" />

            <!--<Button
                x:Name="CounterBtn"
                Text="Click me" 
                SemanticProperties.Hint="Counts the number of times you click"
                Clicked="OnCounterClicked"
                HorizontalOptions="Fill" />-->

            <Label x:Name="LabelEditor" Text="Notification message:" FontSize="16" />
            <Editor
                x:Name="NotesEditor"
                Placeholder="Please enter a notification..."
                HeightRequest="100"
                FontSize="14"
                />
            <Button
                x:Name="NotificationBtn"
                Text="Send" 
                SemanticProperties.Hint="Send a local notification in 1 minute."
                Clicked="OnNotificationClicked"
                HorizontalOptions="Fill" />
        </VerticalStackLayout>
    </ScrollView>

</ContentPage>