sharee.bike-App/Meinkonrad/TINK/View/FeedbackPopup.xaml

<?xml version="1.0" encoding="utf-8" ?>
<xct:Popup xmlns="http://xamarin.com/schemas/2014/forms"
           xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
           xmlns:xct="http://xamarin.com/schemas/2020/toolkit"
           xmlns:local="clr-namespace:TINK.View"
           x:TypeArguments="local:FeedbackPopup+Result"
           xmlns:sharedGui="clr-namespace:ShareeSharedGuiLib.View"
           xmlns:resources="clr-namespace:TINK.MultilingualResources;assembly=TINKLib"
           x:Class="TINK.View.FeedbackPopup">
    <xct:Popup.Resources>
        <x:String x:Key="check_circle">&#xf058;</x:String>
    </xct:Popup.Resources>
    <StackLayout>

        <!-- Head and title -->
        <StackLayout
            Padding="30"
            BackgroundColor="{DynamicResource primary-back-title-color}">
            <Label
                    HorizontalTextAlignment="Center"
                    FontSize="Large"
                    TextColor="White"
                    Text="{x:Static resources:AppResources.MarkingReturnBikeMainMessage}"/>
            <Image>
                <Image.Source>
                    <FontImageSource Size="60" Glyph="{StaticResource check_circle}" FontFamily="FA-S" Color="White"/>
                </Image.Source>
            </Image>
        </StackLayout>

        <!-- Co2saving -->
        <Frame 
            x:Name="Co2SavingFrame">
            <Label 
                x:Name="Co2SavingLabel"            
                Text=""/>
        </Frame>

        <!-- Checkbox and input elements -->
        <ScrollView>
            <StackLayout>
                <!-- Battery level -->
                <sharedGui:BarLevelInputView 
                            x:Name="BarLevelInputView"
                            HorizontalOptions="Center"/>
                <!-- Checkbox Is Broken -->
                <StackLayout Orientation="Horizontal">
                    <CheckBox x:Name="brockenCheckBox" IsChecked="True" HeightRequest="20"/>
                    <Label 
                            FontSize="Medium"
                            Text= "{x:Static resources:AppResources.MarkingReturnBikeBikeStateIsOK}"/>
                </StackLayout>
                <Editor 
                        x:Name="feedbackMessage"
                        AutoSize="TextChanges"  
                        Placeholder="{x:Static resources:AppResources.MarkingReturnBikeFeedbackInputPlaceholder}"
                        Text="">
                    <Editor.Triggers>
                        <DataTrigger TargetType="Editor"
                                        Binding="{Binding Source={x:Reference brockenCheckBox}, Path=IsChecked}"
                                        Value="true">
                            <Setter Property="Placeholder"
                                            Value="{x:Static resources:AppResources.MarkingReturnBikeFeedbackInputPlaceholder}" />
                        </DataTrigger>
                        <DataTrigger TargetType="Editor"
                                        Binding="{Binding Source={x:Reference brockenCheckBox}, Path=IsChecked}"
                                        Value="false">
                            <Setter Property="Placeholder"
                                            Value="{x:Static resources:AppResources.MarkingReturnBikeErrorDescriptionInputPlaceholder}" />
                        </DataTrigger>
                    </Editor.Triggers>
                </Editor>
            </StackLayout>
        </ScrollView>

        <!-- Buttons -->
        <Button 
                WidthRequest="100"
                Clicked="OnOkClicked"
                Text="OK"
                Margin="0,0,0,3"/>
    </StackLayout>
</xct:Popup>