sharee.bike-App/Meinkonrad/TINK/View/Login/LoginPage.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"
            xmlns:resources="clr-namespace:TINK.MultilingualResources;assembly=TINKLib"
            x:Class="TINK.View.Login.LoginPage">
    <Shell.TitleView>
        <Grid ColumnDefinitions="Auto, 1*">
            <Image Style="{StaticResource Image-Navbar}"/>
            <Label Style="{StaticResource Label-Navbar}"
                   Text="{x:Static resources:AppResources.MarkingLogin}"/>
        </Grid>
    </Shell.TitleView>
    <ScrollView>
        <Frame>
            <StackLayout x:Name="LoginPageView">
                <Frame>
                    <StackLayout>
                        <Label Text="{x:Static resources:AppResources.MarkingLoginEmailAddressLabel}"
                               Margin="0,0,0,-10">
                            <Label.Triggers>
                                <DataTrigger
                                        TargetType="Label"
                                        Binding="{Binding Source={x:Reference EMailEntry}, Path=Text, TargetNullValue=''}"
                                        Value="">
                                    <Setter Property="IsVisible" Value="False" />
                                </DataTrigger>
                            </Label.Triggers>
                        </Label>
                        <Entry 
                                Placeholder="{x:Static resources:AppResources.MarkingLoginEmailAddressPlaceholder}" 
                                Keyboard="Email" 
                                AutomationId="mail_address_text"
                                x:Name="EMailEntry" 
                                Text="{Binding MailAddress}"
                                IsEnabled="{Binding IsLoggedOut}"/>
                        <Label Text="{x:Static resources:AppResources.MarkingLoginPasswordPlaceholder}"
                               Margin="0,0,0,-10">
                            <Label.Triggers>
                                <DataTrigger
                                        TargetType="Label"
                                        Binding="{Binding Source={x:Reference PasswordEntry}, Path=Text, TargetNullValue=''}"
                                        Value="">
                                    <Setter Property="IsVisible" Value="False" />
                                </DataTrigger>
                            </Label.Triggers>
                        </Label>
                        <Entry Placeholder="{x:Static resources:AppResources.MarkingLoginPasswordPlaceholder}" 
                                AutomationId="password_text"
                                IsPassword="true" 
                                x:Name="PasswordEntry" 
                                Text="{Binding Password}"
                                IsEnabled="{Binding IsLoggedOut}"/>
                        <Label Text="{x:Static resources:AppResources.MarkingLoginPasswordLabel}"
                               HorizontalOptions="End"
                               Margin="0,-10,0,5"
                               FontSize="Small">
                            <Label.Triggers>
                                <DataTrigger
                                        TargetType="Label"
                                        Binding="{Binding Source={x:Reference PasswordEntry}, Path=Text, TargetNullValue=''}"
                                        Value="">
                                    <Setter Property="IsVisible" Value="False" />
                                </DataTrigger>
                            </Label.Triggers>
                        </Label>
                        <Button 
                            Text="{x:Static resources:AppResources.ActionLoginLogin}"
                            AutomationId="login_button"
                            Command="{Binding OnLoginRequest}"
                            IsEnabled="{Binding IsLoginRequestAllowed}">
                        </Button>
                        <Button 
                            Style="{StaticResource SecondaryButton}"
                            Text="{x:Static resources:AppResources.ActionLoginRegister}"
                            AutomationId="register_button"
                            Command="{Binding OnRegisterRequest}"
                            IsVisible="{Binding IsWebViewElementsVisible}">
                        </Button>
                        <Label 
                            IsVisible="{Binding IsRegisterTargetsInfoVisible}"
                            FormattedText="{Binding RegisterTargetsInfo}">
                        </Label>
                        <Label 
                            Margin="0,10,0,0"
                            TextType="Html"
                            AutomationId="password_forgotten_button"
                            HorizontalOptions="Center"
                            TextColor="{DynamicResource primary-back-title-color}"
                            Text="{x:Static resources:AppResources.ActionLoginPasswordForgotten}">
                            <Label.GestureRecognizers>
                                <TapGestureRecognizer Command="{Binding OnPasswordForgottonRequest}"/>
                            </Label.GestureRecognizers>
                        </Label>
                    </StackLayout>
                </Frame>
            </StackLayout>
        </Frame>
    </ScrollView>
</ContentPage>