sharee.bike-App/LastenradBayern/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="#009bda"
             x:Class="TINK.View.RootShell.FlyoutHeader">

    <Grid Padding="0">
        <Grid.RowDefinitions>
            <RowDefinition Height="200" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="363" />
        </Grid.ColumnDefinitions>
        <Image 
            Aspect="AspectFit"              
            Source="sharee_no_background.png"/>
    </Grid>
</ContentView>