sharee.bike-App/Meinkonrad/TINK/View/CopriWebView/RegisterPage.xaml

<?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="TINK.View.CopriWebView.RegisterPage">
    <ContentPage.Content>
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>
            <WebView x:Name="RegisterView"
                HeightRequest="1400"
                WidthRequest="1000" 
                Source="{Binding Uri}" />
            <ActivityIndicator 
                    x:Name="ActivityIndicatorLoading"
                    HeightRequest="100"
                    VerticalOptions="CenterAndExpand"
                    HorizontalOptions="CenterAndExpand"/>
        </Grid>
    </ContentPage.Content>
</ContentPage>