sharee.bike-App/Meinkonrad/TINK/View/RootShell/FlyoutHeader.xaml

<?xml version="1.0" encoding="UTF-8"?>
<ContentView xmlns="http://xamarin.com/schemas/2014/forms" 
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             BackgroundColor="{DynamicResource Key=primary-back-title-color}"
             x:Class="TINK.View.RootShell.FlyoutHeader">
    <Grid Padding="5,10">
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Label 
            HorizontalOptions="Center"
            FontSize="Medium"
            Grid.Row="0" 
            Text="Menu"/>    
    </Grid>
</ContentView>