MainPage.xaml

<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013"
             x:Class="BackgroundLocationTracking.MainPage">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="auto"/>
        </Grid.RowDefinitions>
        <esri:MapView x:Name="MyMapView" Grid.Row="0"/>
        <Grid Grid.Row="1" Padding="10">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Button x:Name="StartButton" Grid.Column="0" Text="Start Tracking" Clicked="StartTracking"/>
            <Button x:Name="StopButton" Grid.Column="1" Text="Stop Tracking" Clicked="StopTracking"/>
        </Grid>
    </Grid>
</ContentPage>