From e3217641193b8c9685e5f513f4634b4f4c439e53 Mon Sep 17 00:00:00 2001
From: Oliver Hauff <ochauu@hotmail.com>
Date: Sun, 1 Aug 2021 17:24:15 +0200
Subject: [PATCH] Mini survey added. Minor fiexes.

---
 .../Properties/AndroidManifest.xml            |   2 +-
 TINK/TINK.iOS/Info.plist                      |   4 +-
 TINK/TINK/TINK.projitems                      |  31 +++
 TINK/TINK/View/Account/AccountPage.xaml.cs    |   4 +-
 .../BikesAtStation/BikesAtStationPage.xaml.cs |   8 +-
 TINK/TINK/View/Contact/ContactPage.xaml       |   9 +-
 TINK/TINK/View/FeedbackPopup.xaml.cs          |  70 ++---
 TINK/TINK/View/FindBike/FindBikePage.xaml.cs  |   6 +-
 TINK/TINK/View/Login/LoginPage.xaml.cs        |   7 +-
 TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml |  34 +++
 .../View/MiniSurvey/MiniSurveyPage.xaml.cs    |  95 +++++++
 .../MiniSurvey/Question/CheckOneViewCell.xaml |  19 ++
 .../Question/CheckOneViewCell.xaml.cs         |  14 +
 .../MiniSurvey/Question/FreeTextViewCell.xaml |  20 ++
 .../Question/FreeTextViewCell.xaml.cs         |  15 ++
 .../QuestionViewCellTemplateSelector.cs       |  26 ++
 TINK/TINK/View/MyBikes/MyBikesPage.xaml.cs    |   6 +-
 TINK/TINK/View/ViewTypesTypeProvider.cs       |   4 +
 TINKLib/Model/Connector/Command/Command.cs    |  15 +-
 .../Connector/Command/CommandLoggedIn.cs      |  14 +-
 TINKLib/Model/Connector/Command/ICommand.cs   |   9 +-
 .../Model/Connector/Updater/UpdaterJSON.cs    |  36 +++
 TINKLib/Model/MiniSurvey/MiniSurveyModel.cs   |  40 +++
 TINKLib/Model/WhatsNew.cs                     |   4 +
 .../AppResources.Designer.cs                  |  48 +++-
 .../AppResources.de.resx                      |  21 +-
 .../MultilingualResources/AppResources.resx   |  18 +-
 TINKLib/MultilingualResources/TINKLib.de.xlf  |  30 ++-
 TINKLib/Repository/CopriCallsHttps.cs         |  49 +++-
 TINKLib/Repository/CopriCallsMemory.cs        |   9 +-
 TINKLib/Repository/CopriCallsMonkeyStore.cs   |   6 +
 TINKLib/Repository/ICopriServer.cs            |   5 +
 TINKLib/Repository/Request/IRequestBuilder.cs |   7 +
 TINKLib/Repository/Request/RequestBuilder.cs  |   8 +
 .../Request/RequestBuilderLoggedIn.cs         |  40 ++-
 TINKLib/Repository/Response/MiniSurvey.cs     |  34 +++
 .../ReservationCancelReturnResponse.cs        |   5 +
 .../Services/CopriApi/CopriProviderHttps.cs   |   7 +
 .../CopriApi/CopriProviderMonkeyStore.cs      |  10 +-
 .../ViewModel/Account/AccountPageViewModel.cs |   8 +-
 .../Bikes/Bike/BC/RequestHandler/Base.cs      |   4 +-
 .../Bikes/Bike/BC/RequestHandler/Booked.cs    |   2 +-
 .../Bike/BC/RequestHandler/NotLoggedIn.cs     |   2 +-
 .../ViewModel/Bikes/Bike/BikeViewModelBase.cs |   4 +-
 .../RequestHandler/BookedClosed.cs            |  13 +-
 .../RequestHandler/BookedOpen.cs              |  14 +-
 .../RequestHandler/NotLoggedIn.cs             |   2 +-
 TINKLib/ViewModel/Bikes/BikesViewModel.cs     |   8 +-
 .../BikesAtStationPageViewModel.cs            |   2 +-
 .../ViewModel/Contact/ContactPageViewModel.cs |   8 +-
 .../Contact/SelectStationPageViewModel.cs     |   2 +-
 .../BikeInfo/BikeInfoCarouselViewModel.cs     |   2 +-
 TINKLib/ViewModel/Login/LoginPageViewModel.cs |   4 +-
 TINKLib/ViewModel/Map/MapPageViewModel.cs     |  71 +++--
 .../MiniSurvey/MiniSurveyViewModel.cs         | 153 +++++++++++
 .../MiniSurvey/Question/CheckOneViewModel.cs  |  45 ++++
 .../MiniSurvey/Question/FreeTextViewModel.cs  |  32 +++
 .../Question/IMiniSurveyQuestion.cs           |  13 +
 .../Settings/SettingsPageViewModel.cs         |   2 +-
 TINKLib/ViewTypes.cs                          |   3 +-
 .../Model/Connector/TestUpdaterJSON.cs        | 255 ++++++++++++++++--
 .../Model/MiniSurvey/TestMiniSurveyModel.cs   |  20 ++
 .../Model/MiniSurvey/TestQuestionModel.cs     |  16 ++
 .../Repository}/Request/TestRequestBuilder.cs |   2 +-
 .../Request/TestRequestBuilderLoggedIn.cs     |  35 ++-
 .../Repository/Response/TestMiniSurvey.cs     | 153 +++++++++++
 .../Question/TestCheckOneViewModel.cs         |  59 ++++
 .../Question/TestFreeTextViewModel.cs         |  54 ++++
 .../RequestHandler/TestBookedClosed.cs        |  11 +-
 .../RequestHandler/TestBookedOpen.cs          |  11 +-
 .../Mocks/Connector/CopriCallsCacheMemory.cs  |   6 +
 .../Mocks/Connector/ExceptionServer.cs        |   6 +
 TestTINKLib/TestTINKLib.csproj                |   2 -
 73 files changed, 1628 insertions(+), 185 deletions(-)
 create mode 100644 TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml
 create mode 100644 TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml.cs
 create mode 100644 TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml
 create mode 100644 TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml.cs
 create mode 100644 TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml
 create mode 100644 TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml.cs
 create mode 100644 TINK/TINK/View/MiniSurvey/Question/QuestionViewCellTemplateSelector.cs
 create mode 100644 TINKLib/Model/MiniSurvey/MiniSurveyModel.cs
 create mode 100644 TINKLib/Repository/Response/MiniSurvey.cs
 create mode 100644 TINKLib/ViewModel/MiniSurvey/MiniSurveyViewModel.cs
 create mode 100644 TINKLib/ViewModel/MiniSurvey/Question/CheckOneViewModel.cs
 create mode 100644 TINKLib/ViewModel/MiniSurvey/Question/FreeTextViewModel.cs
 create mode 100644 TINKLib/ViewModel/MiniSurvey/Question/IMiniSurveyQuestion.cs
 create mode 100644 TestShareeLib/Model/MiniSurvey/TestMiniSurveyModel.cs
 create mode 100644 TestShareeLib/Model/MiniSurvey/TestQuestionModel.cs
 rename {TestTINKLib/Fixtures/ObjectTests/Connector => TestShareeLib/Repository}/Request/TestRequestBuilder.cs (97%)
 rename {TestTINKLib/Fixtures/ObjectTests/Connector => TestShareeLib/Repository}/Request/TestRequestBuilderLoggedIn.cs (71%)
 create mode 100644 TestShareeLib/Repository/Response/TestMiniSurvey.cs
 create mode 100644 TestShareeLib/ViewModel/MiniSurvey/Question/TestCheckOneViewModel.cs
 create mode 100644 TestShareeLib/ViewModel/MiniSurvey/Question/TestFreeTextViewModel.cs

diff --git a/TINK/TINK.Android/Properties/AndroidManifest.xml b/TINK/TINK.Android/Properties/AndroidManifest.xml
index 3681d0b..8b2af09 100644
--- a/TINK/TINK.Android/Properties/AndroidManifest.xml
+++ b/TINK/TINK.Android/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="preferExternal" package="com.hauffware.sharee" android:versionName="3.0.242" android:versionCode="242">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="preferExternal" package="com.hauffware.sharee" android:versionName="3.0.243" android:versionCode="243">
 	<uses-sdk android:minSdkVersion="18" android:targetSdkVersion="30" />
 	<!-- Google Maps related permissions -->
 	<permission android:name="com.ecs.google.maps.v2.actionbarsherlock.permission.MAPS_RECEIVE" android:protectionLevel="signature" />
diff --git a/TINK/TINK.iOS/Info.plist b/TINK/TINK.iOS/Info.plist
index b99f38b..2323370 100644
--- a/TINK/TINK.iOS/Info.plist
+++ b/TINK/TINK.iOS/Info.plist
@@ -49,8 +49,8 @@
 	<key>CFBundleDisplayName</key>
 	<string>sharee.bike</string>
 	<key>CFBundleVersion</key>
-	<string>242</string>
+	<string>243</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.0.242</string>
+	<string>3.0.241</string>
 </dict>
 </plist>
diff --git a/TINK/TINK/TINK.projitems b/TINK/TINK/TINK.projitems
index 3c2cc43..2ce4c27 100644
--- a/TINK/TINK/TINK.projitems
+++ b/TINK/TINK/TINK.projitems
@@ -43,6 +43,19 @@
       <SubType>Code</SubType>
     </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)View\ListViewAttachedBehavior.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)View\MiniSurvey\MiniSurveyPage.xaml.cs">
+      <DependentUpon>MiniSurveyPage.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)View\MiniSurvey\Question\CheckOneViewCell.xaml.cs">
+      <DependentUpon>CheckOneViewCell.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)View\MiniSurvey\Question\FreeTextViewCell.xaml.cs">
+      <DependentUpon>FreeTextViewCell.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="$(MSBuildThisFileDirectory)View\MiniSurvey\Question\QuestionViewCellTemplateSelector.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)View\RootShell\FlyoutHeader.xaml.cs">
       <DependentUpon>FlyoutHeader.xaml</DependentUpon>
       <SubType>Code</SubType>
@@ -335,4 +348,22 @@
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)View\MiniSurvey\MiniSurveyPage.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)View\MiniSurvey\Question\CheckOneViewCell.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)View\MiniSurvey\Question\FreeTextViewCell.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
+  </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/TINK/TINK/View/Account/AccountPage.xaml.cs b/TINK/TINK/View/Account/AccountPage.xaml.cs
index e8d0813..7f96747 100644
--- a/TINK/TINK/View/Account/AccountPage.xaml.cs
+++ b/TINK/TINK/View/Account/AccountPage.xaml.cs
@@ -101,8 +101,8 @@ namespace TINK.View.Account
 
         /// <summary> Pushes a page onto the modal stack. </summary>
         /// <param name="p_oTypeOfPage">Page to display.</param>
-        public Task PushModalAsync(ViewTypes p_oTypeOfPage)
-            => throw new NotImplementedException();
+        public Task PushModalAsync(ViewTypes typeOfPage)
+            => Navigation.PushModalAsync((Page)Activator.CreateInstance(typeOfPage.GetViewType()));
 
         /// <summary> Pops a page from the modal stack. </summary>
         public Task PopModalAsync()
diff --git a/TINK/TINK/View/BikesAtStation/BikesAtStationPage.xaml.cs b/TINK/TINK/View/BikesAtStation/BikesAtStationPage.xaml.cs
index 9c69296..6a21237 100644
--- a/TINK/TINK/View/BikesAtStation/BikesAtStationPage.xaml.cs
+++ b/TINK/TINK/View/BikesAtStation/BikesAtStationPage.xaml.cs
@@ -194,11 +194,9 @@ using TINK.View.MasterDetail;
 
 
         /// <summary> Pushes a page onto the modal stack. </summary>
-        /// <param name="p_oTypeOfPage">Page to display.</param>
-        public Task PushModalAsync(ViewTypes p_oTypeOfPage)
-        {
-            throw new NotSupportedException();
-        }
+        /// <param name="typeOfPage">Page to display.</param>
+        public async Task PushModalAsync(ViewTypes typeOfPage)
+            => await Navigation.PushModalAsync((Page)Activator.CreateInstance(typeOfPage.GetViewType()));
 
         /// <summary> Pops a page from the modal stack. </summary>
         public Task PopModalAsync()
diff --git a/TINK/TINK/View/Contact/ContactPage.xaml b/TINK/TINK/View/Contact/ContactPage.xaml
index 7afe046..44c8594 100644
--- a/TINK/TINK/View/Contact/ContactPage.xaml
+++ b/TINK/TINK/View/Contact/ContactPage.xaml
@@ -17,6 +17,7 @@
                         IsVisible="{Binding 
                             Path=IsOperatorInfoAvaliable,
                             Converter={StaticResource BoolInvert_Converter}}">
+                        <!-- Button to select station and explanation text -->
                         <StackLayout>
                         <Label
                             TextType="Html"
@@ -28,11 +29,17 @@
                     </Frame>
                     <Frame
                         IsVisible="{Binding IsOperatorInfoAvaliable}">
+                        <!-- Operator info -->
                         <StackLayout>
+                            <Label                                
+                                IsVisible="{Binding IsOperatorInfoAvaliable}"
+                                HorizontalOptions="Center"
+                                FontAttributes="Bold"
+                                Text="{Binding ProviderNameText}"/>
                             <!--- Mail address -->
                             <Label 
                                 IsVisible="{Binding MailAddressText, Converter={StaticResource StringNotNullOrEmpty_Converter}}"
-                                FormattedText="{Binding MaliAddressAndMotivationsText}"/>
+                                FormattedText="{Binding MailAddressAndMotivationsText}"/>
                             <Button
                                 x:Name="MailAddressButton"
                                 IsVisible="{Binding MailAddressText, Converter={StaticResource StringNotNullOrEmpty_Converter}}"
diff --git a/TINK/TINK/View/FeedbackPopup.xaml.cs b/TINK/TINK/View/FeedbackPopup.xaml.cs
index 11790fa..35d5e22 100644
--- a/TINK/TINK/View/FeedbackPopup.xaml.cs
+++ b/TINK/TINK/View/FeedbackPopup.xaml.cs
@@ -5,54 +5,54 @@ using Xamarin.Forms.Xaml;
 namespace TINK.View
 {
     [XamlCompilation(XamlCompilationOptions.Compile)]
-	public partial class FeedbackPopup : Popup<FeedbackPopup.Result>
-	{
-		public FeedbackPopup ()
-		{
-			InitializeComponent ();
-		}
+    public partial class FeedbackPopup : Popup<FeedbackPopup.Result>
+    {
+        public FeedbackPopup()
+        {
+            InitializeComponent();
+        }
 
         protected override FeedbackPopup.Result GetLightDismissResult()
         {
             return new Result
-			{
-				Message = feedbackMessage.Text,
-				IsBikeBroken = brockenCheckBox.IsChecked
-			}; 
+            {
+                Message = feedbackMessage.Text,
+                IsBikeBroken = brockenCheckBox.IsChecked
+            };
         }
 
-		private void OnOkClicked(object sender, EventArgs eventArgs)
+        private void OnOkClicked(object sender, EventArgs eventArgs)
         {
-			var result = new Result
-			{
-				Message = feedbackMessage.Text,
-				IsBikeBroken = brockenCheckBox.IsChecked
-			};
+            var result = new Result
+            {
+                Message = feedbackMessage.Text,
+                IsBikeBroken = brockenCheckBox.IsChecked
+            };
 
-			base.Dismiss(result);
+            Dismiss(result);
         }
 
-		/// <summary>
-		/// Feedback given by user when returning bike.
-		/// </summary>
+        /// <summary>
+        /// Feedback given by user when returning bike.
+        /// </summary>
 #if USCSHARP9
 		public class Result : IViewService.IUserFeedback
 #else
-		public class Result : IUserFeedback
+        public new class Result : IUserFeedback
 #endif
-		{
-			/// <summary>
-			/// Holds whether bike is broken or not.
-			/// </summary>
-			public bool IsBikeBroken { get; set; }
+        {
+            /// <summary>
+            /// Holds whether bike is broken or not.
+            /// </summary>
+            public bool IsBikeBroken { get; set; }
 
-			/// <summary>
-			/// Holds either 
-			/// - general feedback
-			/// - error description of broken bike 
-			/// or both.
-			/// </summary>
-			public string Message { get; set; }
-		}
-	}
+            /// <summary>
+            /// Holds either 
+            /// - general feedback
+            /// - error description of broken bike 
+            /// or both.
+            /// </summary>
+            public string Message { get; set; }
+        }
+    }
 }
\ No newline at end of file
diff --git a/TINK/TINK/View/FindBike/FindBikePage.xaml.cs b/TINK/TINK/View/FindBike/FindBikePage.xaml.cs
index 4325277..786e030 100644
--- a/TINK/TINK/View/FindBike/FindBikePage.xaml.cs
+++ b/TINK/TINK/View/FindBike/FindBikePage.xaml.cs
@@ -124,8 +124,9 @@ namespace TINK.View.FindBike
 #endif
 
         /// <summary> Pushes a page onto the modal stack. </summary>
-        /// <param name="p_oTypeOfPage">Page to display.</param>
-        public Task PushModalAsync(ViewTypes p_oTypeOfPage) => throw new NotSupportedException();
+        /// <param name="typeOfPage">Page to display.</param>
+        public async Task PushModalAsync(ViewTypes typeOfPage)
+            => await Navigation.PushModalAsync((Page)Activator.CreateInstance(typeOfPage.GetViewType()));
 
         /// <summary> Pops a page from the modal stack. </summary>
         public Task PopModalAsync() => throw new NotSupportedException();
@@ -139,6 +140,5 @@ namespace TINK.View.FindBike
 #else
         public async Task<IUserFeedback> DisplayUserFeedbackPopup() => await Navigation.ShowPopupAsync<FeedbackPopup.Result>(new FeedbackPopup());
 #endif
-
     }
 }
\ No newline at end of file
diff --git a/TINK/TINK/View/Login/LoginPage.xaml.cs b/TINK/TINK/View/Login/LoginPage.xaml.cs
index 596b4bc..169051b 100644
--- a/TINK/TINK/View/Login/LoginPage.xaml.cs
+++ b/TINK/TINK/View/Login/LoginPage.xaml.cs
@@ -81,10 +81,9 @@ namespace TINK.View.Login
 
         /// <summary> Pushes a page onto the modal stack. </summary>
         /// <param name="p_oTypeOfPage">Page to display.</param>
-        public Task PushModalAsync(ViewTypes p_oTypeOfPage)
-        {
-            throw new NotSupportedException();
-        }
+        public async Task PushModalAsync(ViewTypes typeOfPage) 
+            => await Navigation.PushModalAsync((Page)Activator.CreateInstance(typeOfPage.GetViewType()));
+
 
         /// <summary> Pops a page from the modal stack. </summary>
         public Task PopModalAsync()
diff --git a/TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml b/TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml
new file mode 100644
index 0000000..6464851
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml
@@ -0,0 +1,34 @@
+<?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:local_minisurvey="clr-namespace:TINK.View.MiniSurvey.Question"
+             x:Class="TINK.View.MiniSurvey.MiniSurveyPage">
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <local_minisurvey:QuestionViewCellTemplateSelector x:Key="questionViewCellTemplateSelector"/>
+        </ResourceDictionary>
+    </ContentPage.Resources>
+    <ContentPage.Content>
+        <Frame>
+            <StackLayout>
+                <Label 
+                    FontSize="Large"
+                    FontAttributes="Bold"
+                    Text="{Binding Title}"/>
+                <Label 
+                    Text="{Binding Subtitle}"/>
+                <ListView 
+                    x:Name="MiniSurveyListView"
+                    HasUnevenRows="True"
+                    ItemTemplate="{StaticResource questionViewCellTemplateSelector}">
+                </ListView>
+                <Label 
+                    Text="{Binding Footer}"/>
+                <Button
+                    IsEnabled="False"
+                    Command="{Binding OnButtonClicked}"
+                    Text="OK"/>
+            </StackLayout>
+        </Frame>
+    </ContentPage.Content>
+</ContentPage>
\ No newline at end of file
diff --git a/TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml.cs b/TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml.cs
new file mode 100644
index 0000000..270797c
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/MiniSurveyPage.xaml.cs
@@ -0,0 +1,95 @@
+using System;
+using System.Threading.Tasks;
+using TINK.ViewModel.MiniSurvey;
+using Xamarin.CommunityToolkit.Extensions;
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace TINK.View.MiniSurvey
+{
+    [XamlCompilation(XamlCompilationOptions.Compile)]
+    public partial class MiniSurveyPage : ContentPage, IViewService
+    {
+        public MiniSurveyPage()
+        {
+            var model = App.ModelRoot;
+
+            var vm = new MiniSurveyViewModel(
+                () => model.GetIsConnected(),
+                (isConnected) => model.GetConnector(isConnected),
+                this);
+
+            InitializeComponent();
+
+            BindingContext = vm;
+            MiniSurveyListView.ItemsSource = vm;
+        }
+        /// <summary>
+        /// Displays alert message.
+        /// </summary>
+        /// <param name="p_strTitle">Title of message.</param>
+        /// <param name="p_strMessage">Message to display.</param>
+        /// <param name="p_strCancel">Type of buttons.</param>
+        public new async Task DisplayAlert(string p_strTitle, string p_strMessage, string p_strCancel)
+            => await App.Current.MainPage.DisplayAlert(p_strTitle, p_strMessage, p_strCancel);
+
+        /// <summary> Displays alert message.</summary>
+        /// <param name="title">Title of message.</param>
+        /// <param name="message">Message to display.</param>
+        /// <param name="details">Detailed error description.</param>
+        /// <param name="cancel">Type of buttons.</param>
+        public async Task DisplayAdvancedAlert(
+            string title,
+            string message,
+            string details,
+            string cancel)
+            => await App.Current.MainPage.DisplayAlert(title, $"{message}\r\nDetails:\r\n{details}", cancel);
+
+        /// <summary> Displays detailed alert message.</summary>
+        /// <param name="title">Title of message.</param>
+        /// <param name="message">Message to display.</param>
+        /// <param name="details">Detailed error description.</param>
+        /// <param name="accept">Text of accept button.</param>
+        /// <param name="cancel">Text of cancel button.</param>
+        /// <returns>True if user pressed accept.</returns>
+        public async Task<bool> DisplayAdvancedAlert(string title, string message, string details, string accept, string cancel)
+            => await App.Current.MainPage.DisplayAlert(title, $"{message}\r\nDetails:\r\n{details}", accept, cancel);
+
+        /// <summary>
+        /// Displays alert message.
+        /// </summary>
+        /// <param name="p_strTitle">Title of message.</param>
+        /// <param name="p_strMessage">Message to display.</param>
+        /// <param name="p_strAccept">Text of accept button.</param>
+        /// <param name="p_strCancel">Text of button.</param>
+        /// <returns>True if user pressed accept.</returns>
+        public new async Task<bool> DisplayAlert(string p_strTitle, string p_strMessage, string p_strAccept, string p_strCancel)
+            => await App.Current.MainPage.DisplayAlert(p_strTitle, p_strMessage, p_strAccept, p_strCancel);
+
+#if USEMASTERDETAIL || USEFLYOUT
+        public void ShowPage(ViewTypes p_oType, string p_strTitle = null)
+            => throw new NotImplementedException();
+#else
+        /// <summary> Shows a page.</summary>
+        /// <param name="route">Route of the page to show.</param>
+        public async Task ShowPage(string route) => await Shell.Current.GoToAsync(route);
+#endif
+
+        /// <summary> Pushes a page onto the modal stack. </summary>
+        /// <param name="p_oTypeOfPage">Page to display.</param>
+        public Task PushModalAsync(ViewTypes p_oTypeOfPage) => throw new NotSupportedException();
+
+        /// <summary> Pops a page from the modal stack. </summary>
+        public Task PopModalAsync() => Navigation.PopModalAsync();
+
+        /// <summary> Pushes a page onto the stack. </summary>
+        /// <param name="p_oTypeOfPage">Page to display.</param>
+        public Task PushAsync(ViewTypes p_oTypeOfPage) => throw new NotSupportedException();
+
+#if USCSHARP9
+        public async Task<IViewService.IUserFeedback> DisplayUserFeedbackPopup() => await Navigation.ShowPopupAsync<FeedbackPopup.Result>(new FeedbackPopup());
+#else
+        public async Task<IUserFeedback> DisplayUserFeedbackPopup() => await Navigation.ShowPopupAsync<FeedbackPopup.Result>(new FeedbackPopup());
+#endif
+    }
+}
\ No newline at end of file
diff --git a/TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml b/TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml
new file mode 100644
index 0000000..6f8af4e
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ViewCell 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.MiniSurvey.Question.CheckOneViewCell">
+  <ViewCell.View>
+        <Frame>
+      <StackLayout>
+            <Label 
+                FontSize="Medium"
+                Text="{Binding QuestionText}" />
+            <Picker
+                Title="{x:Static resources:AppResources.MiniSurveyAskForAnswer}"
+                SelectedItem="{Binding AnswerText}"
+                ItemsSource="{Binding AnswersText}"/>
+        </StackLayout>
+      </Frame>
+    </ViewCell.View>
+</ViewCell>
\ No newline at end of file
diff --git a/TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml.cs b/TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml.cs
new file mode 100644
index 0000000..22c771e
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/Question/CheckOneViewCell.xaml.cs
@@ -0,0 +1,14 @@
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace TINK.View.MiniSurvey.Question
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	public partial class CheckOneViewCell : ViewCell
+	{
+		public CheckOneViewCell ()
+		{
+			InitializeComponent ();
+		}
+	}
+}
\ No newline at end of file
diff --git a/TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml b/TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml
new file mode 100644
index 0000000..2e214af
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ViewCell 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.MiniSurvey.Question.FreeTextViewCell">
+  <ViewCell.View>
+        <Frame>
+          <StackLayout>
+                <Label 
+                    FontSize="Medium"
+                    Text="{Binding QuestionText}" />
+                <Editor
+                    AutoSize="TextChanges"  
+                   Text="{Binding AnswerText}"
+                    Placeholder="{x:Static resources:AppResources.MiniSurveyEnterAnswer}">
+                </Editor>
+          </StackLayout>
+        </Frame>
+    </ViewCell.View>
+</ViewCell>
\ No newline at end of file
diff --git a/TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml.cs b/TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml.cs
new file mode 100644
index 0000000..95443a1
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/Question/FreeTextViewCell.xaml.cs
@@ -0,0 +1,15 @@
+
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace TINK.View.MiniSurvey.Question
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	public partial class FreeTextViewCell : ViewCell
+	{
+		public FreeTextViewCell ()
+		{
+			InitializeComponent ();
+		}
+	}
+}
\ No newline at end of file
diff --git a/TINK/TINK/View/MiniSurvey/Question/QuestionViewCellTemplateSelector.cs b/TINK/TINK/View/MiniSurvey/Question/QuestionViewCellTemplateSelector.cs
new file mode 100644
index 0000000..a5f70ff
--- /dev/null
+++ b/TINK/TINK/View/MiniSurvey/Question/QuestionViewCellTemplateSelector.cs
@@ -0,0 +1,26 @@
+using Xamarin.Forms;
+
+namespace TINK.View.MiniSurvey.Question
+{
+    /// <summary>
+    /// Selects different templates for different question types.
+    /// </summary>    
+    public class QuestionViewCellTemplateSelector : DataTemplateSelector
+    {
+        DataTemplate checkOneViewCell;
+        DataTemplate freeTextViewCell;
+
+        public QuestionViewCellTemplateSelector()
+        {
+            checkOneViewCell = new DataTemplate(typeof(CheckOneViewCell));
+            freeTextViewCell = new DataTemplate(typeof(FreeTextViewCell));
+        }
+
+        protected override DataTemplate OnSelectTemplate(object item, BindableObject container)
+        {
+            return item is ViewModel.MiniSurvey.Question.FreeTextViewModel
+                ? freeTextViewCell
+                : checkOneViewCell;
+        }
+    }
+}
diff --git a/TINK/TINK/View/MyBikes/MyBikesPage.xaml.cs b/TINK/TINK/View/MyBikes/MyBikesPage.xaml.cs
index f2d47bc..eacd14c 100644
--- a/TINK/TINK/View/MyBikes/MyBikesPage.xaml.cs
+++ b/TINK/TINK/View/MyBikes/MyBikesPage.xaml.cs
@@ -148,8 +148,10 @@ namespace TINK.View.MyBikes
 #endif
 
         /// <summary> Pushes a page onto the modal stack. </summary>
-        /// <param name="p_oTypeOfPage">Page to display.</param>
-        public Task PushModalAsync(ViewTypes p_oTypeOfPage) => throw new NotSupportedException();
+        /// <param name="typeOfPage">Page to display.</param>
+        public async Task PushModalAsync(ViewTypes typeOfPage)
+            => await Navigation.PushModalAsync((Page)Activator.CreateInstance(typeOfPage.GetViewType()));
+
 
         /// <summary> Pops a page from the modal stack. </summary>
         public Task PopModalAsync() => throw new NotSupportedException();
diff --git a/TINK/TINK/View/ViewTypesTypeProvider.cs b/TINK/TINK/View/ViewTypesTypeProvider.cs
index 92e9dda..e3b6916 100644
--- a/TINK/TINK/View/ViewTypesTypeProvider.cs
+++ b/TINK/TINK/View/ViewTypesTypeProvider.cs
@@ -11,6 +11,7 @@ using TINK.View.WhatsNew;
 using TINK.View.WhatsNew.Agb;
 using TINK.View.BikesAtStation;
 using Xamarin.Forms;
+using TINK.View.MiniSurvey;
 
 namespace TINK.View
 {
@@ -65,6 +66,9 @@ namespace TINK.View
                 case ViewTypes.SelectStationPage:
                     return typeof(SelectStationPage);
 
+                case ViewTypes.MiniSurvey:
+                    return typeof(MiniSurveyPage);
+
                 default:
                     return typeof(ContentPage);
             }
diff --git a/TINKLib/Model/Connector/Command/Command.cs b/TINKLib/Model/Connector/Command/Command.cs
index eee2f67..0dfe245 100644
--- a/TINKLib/Model/Connector/Command/Command.cs
+++ b/TINKLib/Model/Connector/Command/Command.cs
@@ -6,6 +6,8 @@ using TINK.Repository.Request;
 using TINK.Repository.Response;
 using TINK.Model.User.Account;
 using TINK.Model.Device;
+using System.Collections.Generic;
+using TINK.Model.MiniSurvey;
 
 namespace TINK.Model.Connector
 {
@@ -120,14 +122,13 @@ namespace TINK.Model.Connector
             Log.ForContext<Command>().Error("Unexpected booking request detected. No user logged in.");
             await Task.CompletedTask;
         }
-
-        public async Task DoReturn(
+        public async Task<MiniSurveyModel> DoReturn(
             Bikes.Bike.BluetoothLock.IBikeInfoMutable bike,
             LocationDto location,
             ISmartDevice smartDevice)
         {
             Log.ForContext<Command>().Error("Unexpected returning request detected. No user logged in.");
-            await Task.CompletedTask;
+            return await Task.FromResult(new MiniSurveyModel());
         }
 
         /// <summary>
@@ -143,5 +144,13 @@ namespace TINK.Model.Connector
             Log.ForContext<Command>().Error("Unexpected submit feedback request detected. No user logged in.");
             await Task.CompletedTask;
         }
+
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public async Task DoSubmitMiniSurvey(IDictionary<string, string> answers)
+        {
+            Log.ForContext<Command>().Error("Unexpected submit mini survey request detected. No user logged in.");
+            await Task.CompletedTask;
+        }
     }
 }
\ No newline at end of file
diff --git a/TINKLib/Model/Connector/Command/CommandLoggedIn.cs b/TINKLib/Model/Connector/Command/CommandLoggedIn.cs
index b944f20..e4594d4 100644
--- a/TINKLib/Model/Connector/Command/CommandLoggedIn.cs
+++ b/TINKLib/Model/Connector/Command/CommandLoggedIn.cs
@@ -7,6 +7,8 @@ using TINK.Repository.Request;
 using TINK.Repository.Response;
 using TINK.Model.User.Account;
 using TINK.Model.Device;
+using System.Collections.Generic;
+using TINK.Model.MiniSurvey;
 
 namespace TINK.Model.Connector
 {
@@ -246,7 +248,7 @@ namespace TINK.Model.Connector
         /// <param name="bike">Bike to return.</param>
         /// <param name="locaton">Position of the bike.</param>
         /// <param name="smartDevice">Provides info about hard and software.</param>
-        public async Task DoReturn(
+        public async Task<MiniSurveyModel> DoReturn(
             Bikes.Bike.BluetoothLock.IBikeInfoMutable bike,
             LocationDto location,
             ISmartDevice smartDevice)
@@ -256,10 +258,10 @@ namespace TINK.Model.Connector
                 throw new ArgumentNullException("Can not return bike. No bike object available.");
             }
 
-            ReservationCancelReturnResponse l_oResponse;
+            ReservationCancelReturnResponse response;
             try
             {
-                l_oResponse = (await CopriServer.DoReturn(bike.Id, location, smartDevice,  bike.OperatorUri)).GetIsReturnBikeResponseOk(bike.Id);
+                response = (await CopriServer.DoReturn(bike.Id, location, smartDevice,  bike.OperatorUri)).GetIsReturnBikeResponseOk(bike.Id);
             }
             catch (Exception)
             {
@@ -268,6 +270,7 @@ namespace TINK.Model.Connector
             }
 
             bike.Load(Bikes.Bike.BC.NotifyPropertyChangedLevel.None);
+            return response?.Create() ?? new MiniSurveyModel();
         }
 
         /// <summary>
@@ -281,5 +284,10 @@ namespace TINK.Model.Connector
         public async Task DoSubmitFeedback(IUserFeedback userFeedback, Uri opertorUri)
             => await CopriServer.DoSubmitFeedback(userFeedback.BikeId, userFeedback.Message, userFeedback.IsBikeBroken, opertorUri);
 #endif
+
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public async Task DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => await CopriServer.DoSubmitMiniSurvey(answers);
     }
 }
\ No newline at end of file
diff --git a/TINKLib/Model/Connector/Command/ICommand.cs b/TINKLib/Model/Connector/Command/ICommand.cs
index 47dc642..fbf2ee2 100644
--- a/TINKLib/Model/Connector/Command/ICommand.cs
+++ b/TINKLib/Model/Connector/Command/ICommand.cs
@@ -3,6 +3,8 @@ using System.Threading.Tasks;
 using TINK.Repository.Request;
 using TINK.Model.User.Account;
 using TINK.Model.Device;
+using System.Collections.Generic;
+using TINK.Model.MiniSurvey;
 
 namespace TINK.Model.Connector
 {
@@ -48,7 +50,7 @@ namespace TINK.Model.Connector
         /// <param name="bike">Bike to return.</param>
         /// <param name="location">Geolocation of lock when returning bike.</param>
         /// <param name="smartDevice">Provides info about hard and software.</param>
-        Task DoReturn(Bikes.Bike.BluetoothLock.IBikeInfoMutable bike, LocationDto geolocation = null, ISmartDevice smartDevice = null);
+        Task<MiniSurveyModel> DoReturn(Bikes.Bike.BluetoothLock.IBikeInfoMutable bike, LocationDto geolocation = null, ISmartDevice smartDevice = null);
 
         /// <summary> True if connector has access to copri server, false if cached values are used. </summary>
         bool IsConnected { get; }
@@ -57,6 +59,11 @@ namespace TINK.Model.Connector
         string SessionCookie { get; }
 
         Task DoSubmitFeedback(IUserFeedback userFeedback, Uri opertorUri);
+
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        Task DoSubmitMiniSurvey(IDictionary<string, string> answers);
+
 #if USCSHARP9
         /// <summary>
         /// Feedback given by user when returning bike.
diff --git a/TINKLib/Model/Connector/Updater/UpdaterJSON.cs b/TINKLib/Model/Connector/Updater/UpdaterJSON.cs
index de34ae7..061b4f4 100644
--- a/TINKLib/Model/Connector/Updater/UpdaterJSON.cs
+++ b/TINKLib/Model/Connector/Updater/UpdaterJSON.cs
@@ -13,6 +13,8 @@ using IBikeInfoMutable = TINK.Model.Bikes.Bike.BC.IBikeInfoMutable;
 using System.Globalization;
 using TINK.Model.Station.Operator;
 using Xamarin.Forms;
+using System.Linq;
+using TINK.Model.MiniSurvey;
 
 namespace TINK.Model.Connector
 {
@@ -507,5 +509,39 @@ namespace TINK.Model.Connector
                 MaxFeeEuroPerDay = double.TryParse(tariffDesciption?.max_eur_per_day, NumberStyles.Any, CultureInfo.InvariantCulture, out double maxEuroPerDay) ? maxEuroPerDay : double.NaN,
             };
         }
+
+        /// <summary> Creates a survey object from response.</summary>
+        /// <param name="response">Response to create survey object from.</param>
+        public static MiniSurveyModel Create(this ReservationCancelReturnResponse response)
+        {
+            if (response?.user_miniquery == null)
+            {
+                return new MiniSurveyModel();
+            }
+
+            var miniquery = response.user_miniquery;
+            var survey = new MiniSurveyModel
+            {
+                Title = miniquery.title,
+                Subtitle = miniquery.subtitle,
+                Footer = miniquery.footer
+            };
+
+            foreach (var question in miniquery?.questions?.OrderBy(x => x.Key) ?? new Dictionary<string, MiniSurveyResponse.Question>().OrderBy(x => x.Key))
+            {
+                if (string.IsNullOrEmpty(question.Key.Trim())
+                    || question.Value.query == null)
+                {
+                    // Skip invalid entries.
+                    continue;
+                }
+
+                survey.Questions.Add(
+                    question.Key,
+                    new MiniSurveyModel.QuestionModel());
+            }
+
+            return survey;
+        }
     }
 }
diff --git a/TINKLib/Model/MiniSurvey/MiniSurveyModel.cs b/TINKLib/Model/MiniSurvey/MiniSurveyModel.cs
new file mode 100644
index 0000000..60051bd
--- /dev/null
+++ b/TINKLib/Model/MiniSurvey/MiniSurveyModel.cs
@@ -0,0 +1,40 @@
+using System.Collections.Generic;
+
+namespace TINK.Model.MiniSurvey
+
+{
+    public class MiniSurveyModel
+    {
+        public enum Type
+        {
+            SingleAnswer,
+            CustomText
+        }
+        public class QuestionModel
+        {
+            public QuestionModel()
+            {
+                PossibleAnswers = new Dictionary<string, string>();
+            }
+
+            public string Text { get; set; }
+
+            public Type Type { get; set; }
+
+            public Dictionary<string, string> PossibleAnswers { get; private set; }
+        }
+
+        public MiniSurveyModel()
+        {
+            Questions = new Dictionary<string, QuestionModel>();
+        }
+
+        public string Title { get; set; }
+
+        public string Subtitle { get; set; }
+
+        public string Footer { get; set; }
+
+        public Dictionary<string, QuestionModel> Questions { get; }
+    }
+}
diff --git a/TINKLib/Model/WhatsNew.cs b/TINKLib/Model/WhatsNew.cs
index 7ed8898..4ed592c 100644
--- a/TINKLib/Model/WhatsNew.cs
+++ b/TINKLib/Model/WhatsNew.cs
@@ -421,6 +421,10 @@ namespace TINK.Model
                 {
                     new Version(3, 0, 242),
                     AppResources.ChangeLog3_0_242
+                },
+                {
+                    new Version(3, 0, 243),
+                    AppResources.ChangeLog3_0_243
                 }
         };
 
diff --git a/TINKLib/MultilingualResources/AppResources.Designer.cs b/TINKLib/MultilingualResources/AppResources.Designer.cs
index 9e50a03..2cbd1d3 100644
--- a/TINKLib/MultilingualResources/AppResources.Designer.cs
+++ b/TINKLib/MultilingualResources/AppResources.Designer.cs
@@ -769,6 +769,16 @@ namespace TINK.MultilingualResources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Mini survey implemented.
+        ///Minor fixes..
+        /// </summary>
+        public static string ChangeLog3_0_243 {
+            get {
+                return ResourceManager.GetString("ChangeLog3_0_243", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Lock of rented bike can not be found..
         /// </summary>
@@ -1074,6 +1084,24 @@ namespace TINK.MultilingualResources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Operator: {0}..
+        /// </summary>
+        public static string MarkingBikeSharingOperator {
+            get {
+                return ResourceManager.GetString("MarkingBikeSharingOperator", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Contact Operator..
+        /// </summary>
+        public static string MarkingBikeSharingOperatorNoOperatorInfoAvailable {
+            get {
+                return ResourceManager.GetString("MarkingBikeSharingOperatorNoOperatorInfoAvailable", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Please open a bike station page to to contact the bike sharing operator..
         /// </summary>
@@ -1589,7 +1617,7 @@ namespace TINK.MultilingualResources {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Urgent question related to {0}?.
+        ///   Looks up a localized string similar to Urgent questions?.
         /// </summary>
         public static string MessagePhoneMail {
             get {
@@ -1660,6 +1688,24 @@ namespace TINK.MultilingualResources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Select an answer please..
+        /// </summary>
+        public static string MiniSurveyAskForAnswer {
+            get {
+                return ResourceManager.GetString("MiniSurveyAskForAnswer", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Enter answer here please..
+        /// </summary>
+        public static string MiniSurveyEnterAnswer {
+            get {
+                return ResourceManager.GetString("MiniSurveyEnterAnswer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to No.
         /// </summary>
diff --git a/TINKLib/MultilingualResources/AppResources.de.resx b/TINKLib/MultilingualResources/AppResources.de.resx
index 2318a80..ac731d0 100644
--- a/TINKLib/MultilingualResources/AppResources.de.resx
+++ b/TINKLib/MultilingualResources/AppResources.de.resx
@@ -157,9 +157,6 @@ Eine Radrückgabe ist nur möglich, wenn das Rad in Reichweite ist und Standorti
   <data name="MessageContactMail" xml:space="preserve">
     <value>Fragen? Hinweise? Kritik?</value>
   </data>
-  <data name="MessagePhoneMail" xml:space="preserve">
-    <value>Eilige Frage rund um {0}?</value>
-  </data>
   <data name="MessageRateMail" xml:space="preserve">
     <value>Gefällt die  {0}-App?</value>
   </data>
@@ -637,4 +634,22 @@ Layout Anzeige Radnamen und nummern verbessert.</value>
   <data name="ChangeLog3_0_242" xml:space="preserve">
     <value>Seite zur Auswahl einer Station hinzugefügt zum Abrufen von Kontaktinformationen.</value>
   </data>
+  <data name="MessagePhoneMail" xml:space="preserve">
+    <value>Eilige Fragen?</value>
+  </data>
+  <data name="MarkingBikeSharingOperator" xml:space="preserve">
+    <value>Betreiber: {0}.</value>
+  </data>
+  <data name="MarkingBikeSharingOperatorNoOperatorInfoAvailable" xml:space="preserve">
+    <value>Betreiber Kontaktieren.</value>
+  </data>
+  <data name="MiniSurveyAskForAnswer" xml:space="preserve">
+    <value>Bitte eine Antwort auswählen.</value>
+  </data>
+  <data name="MiniSurveyEnterAnswer" xml:space="preserve">
+    <value>Bitte Antwort hier eingeben.</value>
+  </data>
+  <data name="ChangeLog3_0_241" xml:space="preserve">
+    <value>Auf der Kontaktseite werden Kontaktinformationen betreiberspezifisch angezeigt.</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/TINKLib/MultilingualResources/AppResources.resx b/TINKLib/MultilingualResources/AppResources.resx
index b87f8d7..7a6d2cd 100644
--- a/TINKLib/MultilingualResources/AppResources.resx
+++ b/TINKLib/MultilingualResources/AppResources.resx
@@ -248,7 +248,7 @@ Use of app is restricted to maximu 8 devices per account.
 Please login to app once again. In case this fails please check on website if the account is still valid.</value>
   </data>
   <data name="MessagePhoneMail" xml:space="preserve">
-    <value>Urgent question related to {0}?</value>
+    <value>Urgent questions?</value>
   </data>
   <data name="MessageRateMail" xml:space="preserve">
     <value>Are you enjoying the {0}-App?</value>
@@ -733,4 +733,20 @@ Layout of bike names and id display improved.</value>
   <data name="ChangeLog3_0_242" xml:space="preserve">
     <value>Select station page added to ease getting operator specific contact information.</value>
   </data>
+  <data name="MarkingBikeSharingOperator" xml:space="preserve">
+    <value>Operator: {0}.</value>
+  </data>
+  <data name="MarkingBikeSharingOperatorNoOperatorInfoAvailable" xml:space="preserve">
+    <value>Contact Operator.</value>
+  </data>
+  <data name="MiniSurveyAskForAnswer" xml:space="preserve">
+    <value>Select an answer please.</value>
+  </data>
+  <data name="MiniSurveyEnterAnswer" xml:space="preserve">
+    <value>Enter answer here please.</value>
+  </data>
+  <data name="ChangeLog3_0_243" xml:space="preserve">
+    <value>Mini survey implemented.
+Minor fixes.</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/TINKLib/MultilingualResources/TINKLib.de.xlf b/TINKLib/MultilingualResources/TINKLib.de.xlf
index db6282f..8e0b717 100644
--- a/TINKLib/MultilingualResources/TINKLib.de.xlf
+++ b/TINKLib/MultilingualResources/TINKLib.de.xlf
@@ -202,10 +202,6 @@ Eine Radrückgabe ist nur möglich, wenn das Rad in Reichweite ist und Standorti
           <source>Questions? Remarks? Criticism?</source>
           <target state="translated">Fragen? Hinweise? Kritik?</target>
         </trans-unit>
-        <trans-unit id="MessagePhoneMail" translate="yes" xml:space="preserve">
-          <source>Urgent question related to {0}?</source>
-          <target state="translated">Eilige Frage rund um {0}?</target>
-        </trans-unit>
         <trans-unit id="MessageRateMail" translate="yes" xml:space="preserve">
           <source>Are you enjoying the {0}-App?</source>
           <target state="translated">Gefällt die  {0}-App?</target>
@@ -853,6 +849,32 @@ Layout Anzeige Radnamen und nummern verbessert.</target>
           <source>Select station page added to ease getting operator specific contact information.</source>
           <target state="translated">Seite zur Auswahl einer Station hinzugefügt zum Abrufen von Kontaktinformationen.</target>
         </trans-unit>
+        <trans-unit id="MessagePhoneMail" translate="yes" xml:space="preserve">
+          <source>Urgent questions?</source>
+          <target state="translated">Eilige Fragen?</target>
+        </trans-unit>
+        <trans-unit id="MarkingBikeSharingOperator" translate="yes" xml:space="preserve">
+          <source>Operator: {0}.</source>
+          <target state="translated">Betreiber: {0}.</target>
+        </trans-unit>
+        <trans-unit id="MarkingBikeSharingOperatorNoOperatorInfoAvailable" translate="yes" xml:space="preserve">
+          <source>Contact Operator.</source>
+          <target state="translated">Betreiber Kontaktieren.</target>
+        </trans-unit>
+        <trans-unit id="MiniSurveyAskForAnswer" translate="yes" xml:space="preserve">
+          <source>Select an answer please.</source>
+          <target state="translated">Bitte eine Antwort auswählen.</target>
+        </trans-unit>
+        <trans-unit id="MiniSurveyEnterAnswer" translate="yes" xml:space="preserve">
+          <source>Enter answer here please.</source>
+          <target state="translated">Bitte Antwort hier eingeben.</target>
+        </trans-unit>
+        <trans-unit id="ChangeLog3_0_243" translate="yes" xml:space="preserve">
+          <source>Mini survey implemented.
+Minor fixes.</source>
+          <target state="translated">Miniumfrage implementiert.
+Kleinere Verbesserungen.</target>
+        </trans-unit>
       </group>
     </body>
   </file>
diff --git a/TINKLib/Repository/CopriCallsHttps.cs b/TINKLib/Repository/CopriCallsHttps.cs
index f9d94bb..698cc3a 100644
--- a/TINKLib/Repository/CopriCallsHttps.cs
+++ b/TINKLib/Repository/CopriCallsHttps.cs
@@ -10,6 +10,7 @@ using TINK.Repository.Request;
 using TINK.Repository.Response;
 using TINK.Model.Logging;
 using TINK.Model.Device;
+using System.Collections.Generic;
 
 namespace TINK.Repository
 {
@@ -231,6 +232,14 @@ namespace TINK.Repository
                     requestBuilder.DoSubmitFeedback(bikeId, message, isBikeBroken),
                     UserAgent);
 
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => DoSubmitMiniSurvey(
+                    m_oCopriHost.AbsoluteUri,
+                    requestBuilder.DoSubmitMiniSurvey(answers),
+                    UserAgent);
+
         /// <summary> Logs user in. </summary>
         /// <param name="copriHost">Host to connect to. </param>
         /// <param name="command">Command to log user in.</param>
@@ -612,10 +621,10 @@ namespace TINK.Repository
             string userAgent = null)
         {
 #if !WINDOWS_UWP            
-            string l_oBikesAvaialbeResponse;
+            string cancelOrReturnResponse;
             try
             {
-                l_oBikesAvaialbeResponse = await PostAsync(copriHost, command, userAgent);
+                cancelOrReturnResponse = await PostAsync(copriHost, command, userAgent);
             }
             catch (System.Exception l_oException)
             {
@@ -633,7 +642,7 @@ namespace TINK.Repository
             }
 
             // Extract bikes from response.
-            return JsonConvertRethrow.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(l_oBikesAvaialbeResponse)?.shareejson;
+            return JsonConvertRethrow.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(cancelOrReturnResponse)?.shareejson;
 #else
             return null;
 #endif
@@ -672,6 +681,40 @@ namespace TINK.Repository
 #endif
         }
 
+        /// <summary> Submits mini survey to copri server. </summary>
+        public async Task<ResponseBase> DoSubmitMiniSurvey(
+            string copriHost,
+            string command,
+            string userAgent = null)
+        {
+#if !WINDOWS_UWP            
+            string miniSurveyResponse;
+            try
+            {
+                miniSurveyResponse = await PostAsync(copriHost, command, userAgent);
+            }
+            catch (System.Exception l_oException)
+            {
+                if (l_oException.GetIsConnectFailureException())
+                {
+                    throw new WebConnectFailureException("Senden der Miniumfrage aufgrund eines Netzwerkfehlers fehlgeschlagen.", l_oException);
+                }
+
+                if (l_oException.GetIsForbiddenException())
+                {
+                    throw new WebForbiddenException("Senden der der Miniumfrage aufgrund eines Netzwerkfehlers fehlgeschlagen.", l_oException);
+                }
+
+                throw;
+            }
+
+            // Extract bikes from response.
+            return JsonConvertRethrow.DeserializeObject<ResponseContainer<ResponseBase>>(miniSurveyResponse)?.shareejson;
+#else
+            return null;
+#endif
+        }
+
         /// <summary> http get- request.</summary>
         /// <param name="Url">Ulr to get info from.</param>
         /// <returns>response from server</returns>
diff --git a/TINKLib/Repository/CopriCallsMemory.cs b/TINKLib/Repository/CopriCallsMemory.cs
index 0a0e3e8..629ab20 100644
--- a/TINKLib/Repository/CopriCallsMemory.cs
+++ b/TINKLib/Repository/CopriCallsMemory.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using TINK.Model;
 using TINK.Model.Device;
@@ -1633,7 +1634,13 @@ namespace TINK.Repository
             return null;
         }
 
-        public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string message, bool isBikeBroken, Uri operatorUri) => null;
+        public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string message, bool isBikeBroken, Uri operatorUri) 
+            => null;
+
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => null ;
 
         /// <summary>
         /// Gets a list of bikes reserved/ booked by acctive user from Copri.
diff --git a/TINKLib/Repository/CopriCallsMonkeyStore.cs b/TINKLib/Repository/CopriCallsMonkeyStore.cs
index 941a2ac..9ae527f 100644
--- a/TINKLib/Repository/CopriCallsMonkeyStore.cs
+++ b/TINKLib/Repository/CopriCallsMonkeyStore.cs
@@ -5,6 +5,7 @@ using TINK.Repository.Request;
 using TINK.Repository.Response;
 using TINK.Model.Services.CopriApi;
 using TINK.Model.Device;
+using System.Collections.Generic;
 
 namespace TINK.Repository
 {
@@ -183,6 +184,11 @@ namespace TINK.Repository
         public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string message, bool isBikeBroken, Uri operatorUri) =>
             throw new System.Exception("Übermittlung von Feedback im Offlinemodus nicht möglich!");
 
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => throw new System.Exception("Übermittlung von der Miniumfrage im Offlinemodus nicht möglich!");
+
         public Task<AuthorizationResponse> DoAuthorizationAsync(string p_strMailAddress, string p_strPassword, string p_strDeviceId)
         {
             throw new System.Exception("Anmelden im Offlinemodus nicht möglich!");
diff --git a/TINKLib/Repository/ICopriServer.cs b/TINKLib/Repository/ICopriServer.cs
index ba7dd75..35798cf 100644
--- a/TINKLib/Repository/ICopriServer.cs
+++ b/TINKLib/Repository/ICopriServer.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using TINK.Model.Device;
 using TINK.Repository.Request;
@@ -97,6 +98,10 @@ namespace TINK.Repository
             bool isBikeBroken,
             Uri operatorUri);
 
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers);
+
         /// <summary> True if connector has access to copri server, false if cached values are used. </summary>
         bool IsConnected { get; }
 
diff --git a/TINKLib/Repository/Request/IRequestBuilder.cs b/TINKLib/Repository/Request/IRequestBuilder.cs
index 047a9a8..f1e62f6 100644
--- a/TINKLib/Repository/Request/IRequestBuilder.cs
+++ b/TINKLib/Repository/Request/IRequestBuilder.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using TINK.Model.Device;
 
 namespace TINK.Repository.Request
@@ -85,6 +86,12 @@ namespace TINK.Repository.Request
         /// <param name="message">General purpose message or error description.</param>
         /// <param name="isBikeBroken">True if bike is broken.</param>
         string DoSubmitFeedback(string bikeId, string message = null, bool isBikeBroken = false);
+
+        /// <summary>
+        /// Gets request for submiting mini survey to copri server.
+        /// </summary>
+        /// <param name="answers">Collection of answers.</param>
+        string DoSubmitMiniSurvey(IDictionary<string, string> answers);
     }
 
     /// <summary> Copri locking states</summary>
diff --git a/TINKLib/Repository/Request/RequestBuilder.cs b/TINKLib/Repository/Request/RequestBuilder.cs
index a0f386d..0ecd1c5 100644
--- a/TINKLib/Repository/Request/RequestBuilder.cs
+++ b/TINKLib/Repository/Request/RequestBuilder.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Net;
 using TINK.Model.Device;
 using TINK.Repository.Exception;
@@ -111,5 +112,12 @@ namespace TINK.Repository.Request
             string bikeId, 
             string message = null,
             bool isBikeBroken = false) => throw new NotSupportedException();
+
+        /// <summary>
+        /// Gets request for submiting mini survey to copri server.
+        /// </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public string DoSubmitMiniSurvey(IDictionary<string, string> answers) =>
+            throw new NotSupportedException();
     }
 }
diff --git a/TINKLib/Repository/Request/RequestBuilderLoggedIn.cs b/TINKLib/Repository/Request/RequestBuilderLoggedIn.cs
index d845b4c..6ff5d84 100644
--- a/TINKLib/Repository/Request/RequestBuilderLoggedIn.cs
+++ b/TINKLib/Repository/Request/RequestBuilderLoggedIn.cs
@@ -1,5 +1,7 @@
 using System;
+using System.Collections.Generic;
 using System.Globalization;
+using System.Linq;
 using System.Net;
 using TINK.Model.Device;
 using TINK.Repository.Exception;
@@ -76,21 +78,21 @@ namespace TINK.Repository.Request
         /// <remarks> Operator specific call.</remarks>
         /// <param name="bikeId">Id of the bike to reserve.</param>
         /// <returns>Requst to reserve bike.</returns>
-        public string DoReserve(string bikeId) 
+        public string DoReserve(string bikeId)
             => $"request=booking_request&bike={bikeId}&authcookie={SessionCookie}{MerchantId}";
 
         /// <summary> Gets request to cancel reservation. </summary>
         /// <remarks> Operator specific call.</remarks>
         /// <param name="bikeId">Id of the bike to cancel reservation for.</param>
         /// <returns>Requst on cancel booking request.</returns>
-        public string DoCancelReservation(string p_iBikeId) 
+        public string DoCancelReservation(string p_iBikeId)
             => $"request=booking_cancel&bike={p_iBikeId}&authcookie={SessionCookie}{MerchantId}";
 
         /// <summary> Request to get keys. </summary>
         /// <remarks> Operator specific call.</remarks>
         /// <param name="bikeId">Id of the bike to get keys for.</param>
         /// <returns>Request to get keys.</returns>
-        public string CalculateAuthParameters(string bikeId) 
+        public string CalculateAuthParameters(string bikeId)
             => $"request=booking_update&bike={bikeId}&authcookie={SessionCookie}{MerchantId}&genkey=1";
 
         /// <summary> Gets the request for updating lock state for a booked bike. </summary>
@@ -99,7 +101,7 @@ namespace TINK.Repository.Request
         /// <param name="state">New locking state.</param>
         /// <returns>Request to update locking state.</returns>
         public string UpateLockingState(string bikeId, LocationDto geolocation, lock_state state, double batteryPercentage)
-        {            
+        {
             return $"request=booking_update&bike={bikeId}{GetLocationParameters(geolocation)}&lock_state={state}{GetBatteryPercentageParameters(batteryPercentage)}&authcookie={SessionCookie}{MerchantId}";
         }
 
@@ -109,7 +111,7 @@ namespace TINK.Repository.Request
         /// <param name="guid">Used to publish GUID from app to copri. Used for initial setup of bike in copri.</param>
         /// <param name="batteryPercentage">Holds the filling level percentage of the battery.</param>
         /// <returns>Request to booking bike.</returns>
-        public string DoBook(string bikeId, Guid guid, double batteryPercentage) 
+        public string DoBook(string bikeId, Guid guid, double batteryPercentage)
             => $"request=booking_update&bike={bikeId}&authcookie={SessionCookie}{MerchantId}&Ilockit_GUID={guid}&state=occupied&lock_state=unlocked{GetBatteryPercentageParameters(batteryPercentage)}";
 
         /// <summary> Gets request for returning the bike. </summary>
@@ -118,7 +120,7 @@ namespace TINK.Repository.Request
         /// <param name="geolocation">Geolocation of lock when returning bike.</param>
         /// <returns>Requst on returning request.</returns>
         public string DoReturn(string bikeId, LocationDto geolocation, ISmartDevice smartDevice)
-        {          
+        {
             return $"request=booking_update" +
                 $"&bike={bikeId}" +
                 $"&authcookie={SessionCookie}{MerchantId}" +
@@ -133,10 +135,10 @@ namespace TINK.Repository.Request
         /// <param name="message">General purpose message or error description.</param>
         /// <param name="isBikeBroken">True if bike is broken.</param>
         /// <returns>Submit feedback request.</returns>
-        public string  DoSubmitFeedback(
+        public string DoSubmitFeedback(
             string bikeId,
-            string message = null,            
-            bool isBikeBroken = false) 
+            string message = null,
+            bool isBikeBroken = false)
         {
             if (string.IsNullOrEmpty(message) && !isBikeBroken)
             {
@@ -161,7 +163,7 @@ namespace TINK.Repository.Request
             return $"request=user_feedback&bike={bikeId}&bike_broken=1&message={WebUtility.UrlEncode(message)}&authcookie={SessionCookie}{MerchantId}";
         }
 
-        private string GetBatteryPercentageParameters(double batteryPercentage) => !double.IsNaN(batteryPercentage) 
+        private string GetBatteryPercentageParameters(double batteryPercentage) => !double.IsNaN(batteryPercentage)
             ? $"&voltage={batteryPercentage.ToString(CultureInfo.InvariantCulture)}"
             : string.Empty;
 
@@ -169,7 +171,7 @@ namespace TINK.Repository.Request
         /// <param name="geolocation">Geolocation or null.</param>
         private string GetLocationParameters(LocationDto geolocation)
         {
-            if (geolocation == null) 
+            if (geolocation == null)
                 return string.Empty;
 
             if (geolocation.Accuracy == null)
@@ -188,5 +190,21 @@ namespace TINK.Repository.Request
                     $"{(!string.IsNullOrEmpty(smartDevice.VersionText) ? $"&user_device_version={smartDevice.VersionText}" : string.Empty)}" +
                     $"{(!string.IsNullOrEmpty(smartDevice.Identifier) ? $"&user_device_id={smartDevice.Identifier}" : string.Empty)}"
                 : string.Empty;
+
+        /// <summary>
+        /// Gets request for submiting mini survey to copri server.
+        /// </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public string DoSubmitMiniSurvey(IDictionary<string, string> answers)
+        {
+            // Remove entires which invalid keys or values.
+            var validAnsers = answers?.Where(x => !string.IsNullOrEmpty(x.Key?.Trim()) && !string.IsNullOrEmpty(x.Value?.Trim()));
+            // Create quersy
+            return validAnsers != null && validAnsers.Count() > 0
+                ? $"request=user_minianswer&{string.Join("&", validAnsers.Select(x => $"{x.Key}={WebUtility.UrlEncode(x.Value)}"))}&authcookie={SessionCookie}{MerchantId}"
+                : $"request=user_minianswer&authcookie={SessionCookie}{MerchantId}";
+
+        }
+
     }
 }
diff --git a/TINKLib/Repository/Response/MiniSurvey.cs b/TINKLib/Repository/Response/MiniSurvey.cs
new file mode 100644
index 0000000..71a23ae
--- /dev/null
+++ b/TINKLib/Repository/Response/MiniSurvey.cs
@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+
+namespace TINK.Repository.Response
+{
+        [DataContract]
+        public class MiniSurveyResponse
+        {
+            [DataContract]
+            public class Question
+            {
+                [DataMember]
+                public string quest_text { get; private set; }
+
+                [DataMember]
+                public string type { get; private set; }
+
+                [DataMember]
+                public Dictionary<string, string> query { get; private set; }
+            }
+
+            [DataMember]
+            public string title { get; private set; }
+
+            [DataMember]
+            public string subtitle { get; private set; }
+
+            [DataMember]
+            public string footer { get; private set; }
+
+            [DataMember]
+            public Dictionary<string, Question> questions { get; private set; }
+        }
+}
diff --git a/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs b/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs
index 5088565..7c5b32b 100644
--- a/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs
+++ b/TINKLib/Repository/Response/ReservationCancelReturnResponse.cs
@@ -1,4 +1,6 @@
 
+using System.Runtime.Serialization;
+
 namespace TINK.Repository.Response
 {
     /// <summary>
@@ -6,5 +8,8 @@ namespace TINK.Repository.Response
     /// </summary>
     public class ReservationCancelReturnResponse : BikesReservedOccupiedResponse
     {
+        /// <summary> Mini survey.</summary>
+        [DataMember]
+        public MiniSurveyResponse user_miniquery { get; private set; }
     }
 }
diff --git a/TINKLib/Services/CopriApi/CopriProviderHttps.cs b/TINKLib/Services/CopriApi/CopriProviderHttps.cs
index 14dba9f..92ffa5e 100644
--- a/TINKLib/Services/CopriApi/CopriProviderHttps.cs
+++ b/TINKLib/Services/CopriApi/CopriProviderHttps.cs
@@ -1,5 +1,6 @@
 using Serilog;
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using TINK.Model.Device;
 using TINK.Repository;
@@ -250,5 +251,11 @@ namespace TINK.Model.Services.CopriApi
         /// <param name="isBikeBroken">True if bike is broken.</param>
         public async Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string message, bool isBikeBroken, Uri opertorUri) =>
              await HttpsServer.DoSubmitFeedback(bikeId, message, isBikeBroken, opertorUri);
+
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public async Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => await HttpsServer.DoSubmitMiniSurvey(answers);
+
     }
 }
\ No newline at end of file
diff --git a/TINKLib/Services/CopriApi/CopriProviderMonkeyStore.cs b/TINKLib/Services/CopriApi/CopriProviderMonkeyStore.cs
index 6147fa1..b8e415e 100644
--- a/TINKLib/Services/CopriApi/CopriProviderMonkeyStore.cs
+++ b/TINKLib/Services/CopriApi/CopriProviderMonkeyStore.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using TINK.Model.Device;
 using TINK.Repository;
@@ -61,7 +62,14 @@ namespace TINK.Model.Services.CopriApi
             return await monkeyStore.DoReturn(bikeId, geolocation, smartDevice, operatorUri);
         }
 
-        public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string messge, bool bIsBikeBroke, Uri operatorUri) => throw new NotImplementedException();
+        public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string messge, bool bIsBikeBroke, Uri operatorUri) 
+            => throw new NotImplementedException();
+
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => throw new NotSupportedException();
+
 
         public async Task<AuthorizationResponse> DoAuthorizationAsync(string p_strMailAddress, string p_strPassword, string p_strDeviceId)
         {
diff --git a/TINKLib/ViewModel/Account/AccountPageViewModel.cs b/TINKLib/ViewModel/Account/AccountPageViewModel.cs
index 83c6750..9f661c3 100644
--- a/TINKLib/ViewModel/Account/AccountPageViewModel.cs
+++ b/TINKLib/ViewModel/Account/AccountPageViewModel.cs
@@ -24,7 +24,7 @@ namespace TINK.ViewModel.Account
         private int? m_iMyBikesCount;
 
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         private readonly IViewService m_oViewService;
 
@@ -56,11 +56,11 @@ namespace TINK.ViewModel.Account
         /// <param name="p_oPolling"> Holds whether to poll or not and the periode leght is polling is on. </param>
         /// <param name="p_oDefaultPollingPeriode">Default polling periode lenght.</param>
         /// <param name="p_oMinimumLogEventLevel">Controls logging level.</param>
-        /// <param name="p_oViewService">Interface to view</param>
+        /// <param name="viewService">Interface to view</param>
         public AccountPageViewModel(
             ITinkApp tinkApp,
             Action<string> openUrlInExternalBrowser,
-            IViewService p_oViewService)
+            IViewService viewService)
         {
             TinkApp = tinkApp
                 ?? throw new ArgumentException("Can not instantiate settings page view model- object. No tink app object available.");
@@ -68,7 +68,7 @@ namespace TINK.ViewModel.Account
             OpenUrlInExternalBrowser = openUrlInExternalBrowser
                 ?? throw new ArgumentException("Can not instantiate settings page view model- object. No user external browse service available.");
 
-            m_oViewService = p_oViewService
+            m_oViewService = viewService
                 ?? throw new ArgumentException("Can not instantiate settings page view model- object. No user view service available.");
 
             m_oViewUpdateManager = new IdlePollingUpdateTaskManager();
diff --git a/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Base.cs b/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Base.cs
index cfe2c07..34a45d3 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Base.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Base.cs
@@ -31,11 +31,11 @@ namespace TINK.ViewModel.Bikes.Bike.BC.RequestHandler
         protected ISmartDevice SmartDevice;
 
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         protected IViewService ViewService { get; }
 
-        /// <summary> Provides an connector object.</summary>
+        /// <summary> Provides a connector object.</summary>
         protected Func<bool, IConnector> ConnectorFactory { get; }
 
         /// <summary> Delegate to retrieve connected state. </summary>
diff --git a/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Booked.cs b/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Booked.cs
index 032e1d6..3904226 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Booked.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/Booked.cs
@@ -25,7 +25,7 @@ namespace TINK.ViewModel.Bikes.Bike.BC.RequestHandler
         public string ButtonText => AppResources.ActionReturn; // "Miete beenden"
 
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         protected IViewService ViewService { get; }
 
diff --git a/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/NotLoggedIn.cs b/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/NotLoggedIn.cs
index b4a2d7a..946cd9c 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/NotLoggedIn.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BC/RequestHandler/NotLoggedIn.cs
@@ -33,7 +33,7 @@ namespace TINK.ViewModel.Bikes.Bike.BC.RequestHandler
         public string ActionText { get => BikesViewModel.ActionText; private set => BikesViewModel.ActionText = value; }
 
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         protected IViewService ViewService { get; }
 
diff --git a/TINKLib/ViewModel/Bikes/Bike/BikeViewModelBase.cs b/TINKLib/ViewModel/Bikes/Bike/BikeViewModelBase.cs
index 67bce38..c2e7523 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BikeViewModelBase.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BikeViewModelBase.cs
@@ -30,11 +30,11 @@ namespace TINK.ViewModel.Bikes.Bike
         protected ISmartDevice SmartDevice;
 
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         protected IViewService ViewService { get; }
 
-        /// <summary> Provides an connector object.</summary>
+        /// <summary> Provides a connect orobject.</summary>
         protected Func<bool, IConnector> ConnectorFactory { get; }
 
         /// <summary> Delegate to retrieve connected state. </summary>
diff --git a/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedClosed.cs b/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedClosed.cs
index 0178a1b..9e7d807 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedClosed.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedClosed.cs
@@ -15,6 +15,7 @@ using TINK.Model.User;
 using Xamarin.Essentials;
 using TINK.Repository.Request;
 using TINK.Model.Device;
+using TINK.Model.MiniSurvey;
 
 namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
 {
@@ -126,10 +127,10 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
             IsConnected = IsConnectedDelegate();
 
             var feedBackUri = SelectedBike?.OperatorUri;
-
+            MiniSurveyModel miniSurvey;
             try
             {
-                await ConnectorFactory(IsConnected).Command.DoReturn(
+                miniSurvey = await ConnectorFactory(IsConnected).Command.DoReturn(
                     SelectedBike,
                     currentLocationDto);
 
@@ -229,11 +230,11 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
                 if (exception is ResponseException copriException)
                 {
                     // Copri server is not reachable.
-                    Log.ForContext<BookedOpen>().Information("User selected booked bike {bike} but returing failed. COPRI returned an error.", SelectedBike);
+                    Log.ForContext<BookedOpen>().Information("Submitting feedback for bike {bike} failed. COPRI returned an error.", SelectedBike);
                 }
                 else
                 {
-                    Log.ForContext<BookedOpen>().Error("User selected availalbe bike {bike} but reserving failed. {@l_oException}", SelectedBike.Id, exception);
+                    Log.ForContext<BookedOpen>().Error("Submitting feedback for bike {bike} failed. {@l_oException}", SelectedBike.Id, exception);
                 }
 
                 await ViewService.DisplayAlert(
@@ -250,6 +251,10 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
                 return RequestHandlerFactory.Create(SelectedBike, IsConnectedDelegate, ConnectorFactory, Geolocation, LockService, ViewUpdateManager, SmartDevice, ViewService, BikesViewModel, ActiveUser);
             }
 #endif
+            if (miniSurvey != null && miniSurvey.Questions.Count > 0)
+            {
+                await ViewService.PushModalAsync(ViewTypes.MiniSurvey);
+            }
 
             // Restart polling again.
             BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdater;
diff --git a/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedOpen.cs b/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedOpen.cs
index 111cc6b..8c9784e 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedOpen.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/BookedOpen.cs
@@ -15,6 +15,7 @@ using TINK.Model.Bikes.Bike.BluetoothLock;
 using TINK.Model.User;
 using TINK.Repository.Request;
 using TINK.Model.Device;
+using TINK.Model.MiniSurvey;
 
 namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
 {
@@ -195,10 +196,10 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
             IsConnected = IsConnectedDelegate();
 
             var feedBackUri = SelectedBike?.OperatorUri;
-
+            MiniSurveyModel miniSurvey;
             try
             {
-                await ConnectorFactory(IsConnected).Command.DoReturn(
+                miniSurvey = await ConnectorFactory(IsConnected).Command.DoReturn(
                     SelectedBike,
                     currentLocation != null 
                         ? new LocationDto.Builder
@@ -304,11 +305,11 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
                 if (exception is ResponseException copriException)
                 {
                     // Copri server is not reachable.
-                    Log.ForContext<BookedOpen>().Information("User selected booked bike {bike} but returing failed. COPRI returned an error.", SelectedBike);
+                    Log.ForContext<BookedOpen>().Information("Submitting feedback for bike {bike} failed. COPRI returned an error.", SelectedBike);
                 }
                 else
                 {
-                    Log.ForContext<BookedOpen>().Error("User selected availalbe bike {bike} but reserving failed. {@l_oException}", SelectedBike.Id, exception);
+                    Log.ForContext<BookedOpen>().Error("Submitting feedback for bike {bike} failed. {@l_oException}", SelectedBike.Id, exception);
                 }
 
                 await ViewService.DisplayAlert(
@@ -325,6 +326,11 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
             }
 #endif
 
+            if (miniSurvey != null && miniSurvey.Questions.Count > 0)
+            {
+                await ViewService.PushModalAsync(ViewTypes.MiniSurvey);
+            }
+
             BikesViewModel.ActionText = AppResources.ActivityTextStartingUpdater;
             await ViewUpdateManager().StartUpdateAyncPeridically();
             BikesViewModel.ActionText = string.Empty;
diff --git a/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/NotLoggedIn.cs b/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/NotLoggedIn.cs
index be834b3..33fac77 100644
--- a/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/NotLoggedIn.cs
+++ b/TINKLib/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/NotLoggedIn.cs
@@ -34,7 +34,7 @@ namespace TINK.ViewModel.Bikes.Bike.BluetoothLock
         public string LockitButtonText => GetType().Name;
 
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         private IViewService ViewService { get; }
 
diff --git a/TINKLib/ViewModel/Bikes/BikesViewModel.cs b/TINKLib/ViewModel/Bikes/BikesViewModel.cs
index a12158a..148424b 100644
--- a/TINKLib/ViewModel/Bikes/BikesViewModel.cs
+++ b/TINKLib/ViewModel/Bikes/BikesViewModel.cs
@@ -25,7 +25,7 @@ namespace TINK.ViewModel.Bikes
         protected ISmartDevice SmartDevice;
         
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         protected IViewService ViewService { get; }
 
@@ -34,12 +34,12 @@ namespace TINK.ViewModel.Bikes
         /// </summary>
         private Exception m_oException;
 
-        /// <summary> Provides an connector object.</summary>
+        /// <summary> Provides a connector object.</summary>
         protected Func<bool, IConnector> ConnectorFactory { get; }
 
         protected IGeolocation Geolocation { get; }
 
-        /// <summary> Provides an connector object.</summary>
+        /// <summary> Provides a connector object.</summary>
         protected ILocksService LockService { get; }
 
         /// <summary> Delegate to retrieve connected state. </summary>
@@ -88,7 +88,7 @@ namespace TINK.ViewModel.Bikes
         /// <param name="p_oPolling"> Holds whether to poll or not and the periode leght is polling is on. </param>
         /// <param name="postAction">Executes actions on GUI thread.</param>
         /// <param name="smartDevice">Provides info about the smart device (phone, tablet, ...)</param>
-        /// <param name="p_oViewService">Interface to actuate methodes on GUI.</param>
+        /// <param name="viewService">Interface to actuate methodes on GUI.</param>
         public BikesViewModel(
             User user,
             IPermissions permissions,
diff --git a/TINKLib/ViewModel/BikesAtStation/BikesAtStationPageViewModel.cs b/TINKLib/ViewModel/BikesAtStation/BikesAtStationPageViewModel.cs
index 26193a4..43c2f47 100644
--- a/TINKLib/ViewModel/BikesAtStation/BikesAtStationPageViewModel.cs
+++ b/TINKLib/ViewModel/BikesAtStation/BikesAtStationPageViewModel.cs
@@ -195,7 +195,7 @@ namespace TINK.ViewModel.BikesAtStation
                 // Switch to map page
 
 #if USEMASTERDETAIL || USEFLYOUT
-                ViewService.ShowPage(ViewTypes.ContactPage, m_oStation?.OperatorData?.Name ?? AppResources.MarkingFeedbackAndContact);
+                ViewService.ShowPage(ViewTypes.ContactPage, AppResources.MarkingFeedbackAndContact);
 #else
                 await ViewService.ShowPage("//LoginPage");
 #endif
diff --git a/TINKLib/ViewModel/Contact/ContactPageViewModel.cs b/TINKLib/ViewModel/Contact/ContactPageViewModel.cs
index 4e3de3b..573390d 100644
--- a/TINKLib/ViewModel/Contact/ContactPageViewModel.cs
+++ b/TINKLib/ViewModel/Contact/ContactPageViewModel.cs
@@ -226,8 +226,14 @@ namespace TINK.ViewModel.Info
             }
         }
 
+
+
         /// <summary> Text providing mail address and possilbe reasons to contact. </summary>
-        public FormattedString MaliAddressAndMotivationsText
+        public string ProviderNameText
+            => string.Format("Betreiber: {0}", SelectedStation?.OperatorData?.Name)
+;
+        /// <summary> Text providing mail address and possilbe reasons to contact. </summary>
+        public FormattedString MailAddressAndMotivationsText
         {
             get
             {
diff --git a/TINKLib/ViewModel/Contact/SelectStationPageViewModel.cs b/TINKLib/ViewModel/Contact/SelectStationPageViewModel.cs
index 8a98724..d87715a 100644
--- a/TINKLib/ViewModel/Contact/SelectStationPageViewModel.cs
+++ b/TINKLib/ViewModel/Contact/SelectStationPageViewModel.cs
@@ -36,7 +36,7 @@ namespace TINK.ViewModel.Contact
         /// <summary> Holds the count of custom icons availalbe.</summary>
         private const int CUSTOM_ICONS_COUNT = 30;
 
-        /// <summary> Reference on view servcie to show modal notifications and to perform navigation. </summary>
+        /// <summary> Reference on view service to show modal notifications and to perform navigation. </summary>
         private IViewService ViewService { get; }
 
         /// <summary>
diff --git a/TINKLib/ViewModel/Info/BikeInfo/BikeInfoCarouselViewModel.cs b/TINKLib/ViewModel/Info/BikeInfo/BikeInfoCarouselViewModel.cs
index 9d39783..f586773 100644
--- a/TINKLib/ViewModel/Info/BikeInfo/BikeInfoCarouselViewModel.cs
+++ b/TINKLib/ViewModel/Info/BikeInfo/BikeInfoCarouselViewModel.cs
@@ -8,7 +8,7 @@ namespace TINK.ViewModel.Info.BikeInfo
     public class BikeInfoViewModel
     {
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         private readonly IViewService m_oViewService;
 
diff --git a/TINKLib/ViewModel/Login/LoginPageViewModel.cs b/TINKLib/ViewModel/Login/LoginPageViewModel.cs
index c4da732..e75f2f5 100644
--- a/TINKLib/ViewModel/Login/LoginPageViewModel.cs
+++ b/TINKLib/ViewModel/Login/LoginPageViewModel.cs
@@ -21,7 +21,7 @@ namespace TINK.ViewModel
     public class LoginPageViewModel : INotifyPropertyChanged
     {
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         private readonly IViewService m_oViewService;
 
@@ -178,7 +178,7 @@ namespace TINK.ViewModel
         {
             if (CrossConnectivity.Current.IsConnected)
             {
-                 await m_oViewService.PushAsync(ViewTypes.RegisterPage);
+                await m_oViewService.PushAsync(ViewTypes.RegisterPage);
             }
             else
             {
diff --git a/TINKLib/ViewModel/Map/MapPageViewModel.cs b/TINKLib/ViewModel/Map/MapPageViewModel.cs
index 3479691..a7ccd31 100644
--- a/TINKLib/ViewModel/Map/MapPageViewModel.cs
+++ b/TINKLib/ViewModel/Map/MapPageViewModel.cs
@@ -39,7 +39,7 @@ namespace TINK.ViewModel.Map
         /// <summary> Holds the count of custom icons availalbe.</summary>
         private const int CUSTOM_ICONS_COUNT = 30;
 
-        /// <summary> Reference on view servcie to show modal notifications and to perform navigation. </summary>
+        /// <summary> Reference on view service to show modal notifications and to perform navigation. </summary>
         private IViewService ViewService { get; }
 
         /// <summary>
@@ -315,55 +315,52 @@ namespace TINK.ViewModel.Map
                 // Update map page filter 
                 ActiveFilterMap = TinkApp.GroupFilterMapPage;
 
-                if (Pins.Count <= 0)
-                {
-                    ActionText = AppResources.ActivityTextMyBikesLoadingBikes;
+                ActionText = AppResources.ActivityTextMyBikesLoadingBikes;
 
-                    // Check location permission
-                    var status = await PermissionsService.CheckPermissionStatusAsync<LocationPermission>();
-                    if (TinkApp.CenterMapToCurrentLocation 
-                        && !GeolocationService.IsSimulation 
-                        && status != Plugin.Permissions.Abstractions.PermissionStatus.Granted)
-                    {
-                        var permissionResult = await PermissionsService.RequestPermissionAsync<LocationPermission>();
+                // Check location permission
+                var status = await PermissionsService.CheckPermissionStatusAsync<LocationPermission>();
+                if (TinkApp.CenterMapToCurrentLocation 
+                    && !GeolocationService.IsSimulation 
+                    && status != Plugin.Permissions.Abstractions.PermissionStatus.Granted)
+                {
+                    var permissionResult = await PermissionsService.RequestPermissionAsync<LocationPermission>();
 
                         if (permissionResult != Plugin.Permissions.Abstractions.PermissionStatus.Granted)
                         {
-                            var dialogResult = await ViewService.DisplayAlert(
+                            var dialogResult = await m_oViewService.DisplayAlert(
                                 AppResources.MessageTitleHint,
                                 AppResources.MessageCenterMapLocationPermissionOpenDialog,
                                 AppResources.MessageAnswerYes,
                                 AppResources.MessageAnswerNo);
 
-                            if (dialogResult)
-                            {
-                                // User decided to give access to locations permissions.
-                                PermissionsService.OpenAppSettings();
-                                ActionText = "";
-                                IsRunning = false;
-                                IsMapPageEnabled = true;
-                                return;
-                            }
+                        if (dialogResult)
+                        {
+                            // User decided to give access to locations permissions.
+                            PermissionsService.OpenAppSettings();
+                            ActionText = "";
+                            IsRunning = false;
+                            IsMapPageEnabled = true;
+                            return;
                         }
                     }
-
-                    // Move and scale before getting stations and bikes which takes some time.
-                    ActionText = AppResources.ActivityTextCenterMap;
-                    Location currentLocation = null;
-                    try
-                    {
-                        currentLocation = TinkApp.CenterMapToCurrentLocation
-                            ? await GeolocationService.GetAsync()
-                            : null;
-                    }
-                    catch (Exception ex)
-                    {
-                        Log.ForContext<MapPageViewModel>().Error("Getting location failed. {Exception}", ex);
-                    }
-
-                    MoveAndScale(m_oMoveToRegionDelegate, TinkApp.Uris.ActiveUri, ActiveFilterMap, currentLocation);
                 }
 
+                // Move and scale before getting stations and bikes which takes some time.
+                ActionText = AppResources.ActivityTextCenterMap;
+                Location currentLocation = null;
+                try
+                {
+                    currentLocation = TinkApp.CenterMapToCurrentLocation
+                        ? await GeolocationService.GetAsync()
+                        : null;
+                }
+                catch (Exception ex)
+                {
+                    Log.ForContext<MapPageViewModel>().Error("Getting location failed. {Exception}", ex);
+                }
+
+                MoveAndScale(m_oMoveToRegionDelegate, TinkApp.Uris.ActiveUri, ActiveFilterMap, currentLocation);
+
                 ActionText = AppResources.ActivityTextMapLoadingStationsAndBikes;
                 IsConnected = TinkApp.GetIsConnected();
                 var resultStationsAndBikes = await TinkApp.GetConnector(IsConnected).Query.GetBikesAndStationsAsync();
diff --git a/TINKLib/ViewModel/MiniSurvey/MiniSurveyViewModel.cs b/TINKLib/ViewModel/MiniSurvey/MiniSurveyViewModel.cs
new file mode 100644
index 0000000..250c1ea
--- /dev/null
+++ b/TINKLib/ViewModel/MiniSurvey/MiniSurveyViewModel.cs
@@ -0,0 +1,153 @@
+using Serilog;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using TINK.Model.Connector;
+using TINK.Model.MiniSurvey;
+using TINK.MultilingualResources;
+using TINK.Repository.Exception;
+using TINK.View;
+using TINK.ViewModel.MiniSurvey.Question;
+
+namespace TINK.ViewModel.MiniSurvey
+{
+    public class MiniSurveyViewModel : ObservableCollection<IMiniSurveyQuestion>
+    {
+        /// <summary> Delegate to retrieve connected state. </summary>
+        protected Func<bool> IsConnectedDelegate { get; }
+
+        /// <summary> Provides a connector object.</summary>
+        private Func<bool, IConnector> ConnectorFactory { get; }
+
+        /// <summary>
+        /// Reference on view service to show modal notifications and to perform navigation.
+        /// </summary>
+        private IViewService ViewService { get; }
+
+        private MiniSurveyModel MiniSurvey { get; }
+
+        /// <summary> Constructs mini survey view model.</summary>
+        /// <param name="connectorFactory">Connects system to copri for purposes of requesting a bike/ cancel request.</param>
+        /// <param name="viewService">Interface to actuate methodes on GUI.</param>
+        public MiniSurveyViewModel(
+            Func<bool> isConnectedDelegate,
+            Func<bool, IConnector> connectorFactory,
+            IViewService viewService)
+        {
+            IsConnectedDelegate = isConnectedDelegate
+                ?? throw new ArgumentException($"Can not instantiate {nameof(MiniSurveyViewModel)}-object. No connector available.");
+
+            ConnectorFactory = connectorFactory
+                ?? throw new ArgumentException($"Can not instantiate {nameof(MiniSurveyViewModel)}-object. No connector available.");
+
+            ViewService = viewService
+                ?? throw new ArgumentException($"Can not instantiate {nameof(MiniSurveyViewModel)}-object. No view available.");
+
+            MiniSurvey = new MiniSurveyModel
+            {
+                Title = "Bitte unterstützen Sie unsere Begleitforschung",
+                Subtitle = "Ihre drei Antworten werden anonym gespeichert.",
+                Footer = "Herzlichen Dank und viel Spaß bei der nächsten Fahrt!"
+            };
+
+            MiniSurvey.Questions.Add(
+                "q1",
+                new MiniSurveyModel.QuestionModel
+                {
+                    Text = "1. Was war der Hauptzweck dieser Ausleihe?",
+                    Type = MiniSurveyModel.Type.SingleAnswer
+                });
+
+            MiniSurvey.Questions.Add(
+                "q2",
+                new MiniSurveyModel.QuestionModel
+                {
+                    Text = "2. Welches Verkehrsmittel hätten Sie ansonsten benutzt?",
+                    Type = MiniSurveyModel.Type.SingleAnswer
+                });
+
+            MiniSurvey.Questions.Add(
+                "q3",
+                new MiniSurveyModel.QuestionModel
+                {
+                    Text = "3. Haben Sie Anmerkungen oder Anregungen?",
+                    Type = MiniSurveyModel.Type.CustomText
+                });
+
+            MiniSurvey.Questions["q1"].PossibleAnswers.Add("opt1", "a. Einkauf");
+            MiniSurvey.Questions["q1"].PossibleAnswers.Add("opt2", "b. Kinderbeförderung");
+            MiniSurvey.Questions["q1"].PossibleAnswers.Add("opt3", "c. Lastentransport");
+            MiniSurvey.Questions["q1"].PossibleAnswers.Add("opt4", "d. Freizeit");
+            MiniSurvey.Questions["q1"].PossibleAnswers.Add("opt5", "e. Ausprobieren");
+            MiniSurvey.Questions["q1"].PossibleAnswers.Add("opt6", "f. Sonstiges");
+
+            MiniSurvey.Questions["q2"].PossibleAnswers.Add("opt1", "a. Auto");
+            MiniSurvey.Questions["q2"].PossibleAnswers.Add("opt2", "b. Motorrad oder Motorroller");
+            MiniSurvey.Questions["q2"].PossibleAnswers.Add("opt3", "c. Bus oder Bahn");
+            MiniSurvey.Questions["q2"].PossibleAnswers.Add("opt4", "d. Eigenes Fahrrad");
+            MiniSurvey.Questions["q2"].PossibleAnswers.Add("opt5", "e. Zu Fuß");
+            MiniSurvey.Questions["q2"].PossibleAnswers.Add("opt6", "f. Keines (ich hätte die Fahrt sonst nicht gemacht)");
+
+            Title = MiniSurvey.Title;
+            Subtitle = MiniSurvey.Subtitle;
+            Footer = MiniSurvey.Footer;
+
+            foreach (var question in MiniSurvey.Questions)
+            {
+                switch (question.Value.Type)
+                {
+                    case MiniSurveyModel.Type.SingleAnswer:
+                        Add(new CheckOneViewModel(
+                            new KeyValuePair<string, string>(question.Key, question.Value.Text),
+                            question.Value.PossibleAnswers));
+                        break;
+
+                    case MiniSurveyModel.Type.CustomText:
+                        Add(new FreeTextViewModel(new KeyValuePair<string, string>(question.Key, question.Value.Text)));
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+        }
+
+        public string Title { get; set; }
+
+        public string Subtitle { get; set; }
+
+        public string Footer { get; set; }
+
+        /// <summary> Processes request to perform a copri action (reserve bike and cancel reservation). </summary>
+        public System.Windows.Input.ICommand OnButtonClicked =>  new Xamarin.Forms.Command(async () =>
+        {
+            Log.ForContext<MiniSurveyViewModel>().Information($"User result {this[0].Answer.Value}, {this[1].Answer.Value}");
+
+            var isConnected = IsConnectedDelegate();
+            try
+            {
+                await ConnectorFactory(isConnected).Command.DoSubmitMiniSurvey(this.ToDictionary(x => x.Question.Key, x => x.Answer.Key));
+            }
+            catch (Exception exception)
+            {
+                if (exception is ResponseException copriException)
+                {
+                    // Copri server is not reachable.
+                    Log.ForContext<MiniSurveyViewModel>().Information("Submitting mini survay answer failed. COPRI returned an error.");
+                }
+                else
+                {
+                    Log.ForContext<MiniSurveyViewModel>().Error("Submitting mini survay answer failed. {@l_oException}", exception);
+                }
+
+                await ViewService.DisplayAlert(
+                    AppResources.ErrorReturnSubmitFeedbackTitle,
+                    AppResources.ErrorReturnSubmitFeedbackMessage,
+                    AppResources.MessageAnswerOk);
+            }
+
+            await ViewService.PopModalAsync();
+        });
+    }
+}
diff --git a/TINKLib/ViewModel/MiniSurvey/Question/CheckOneViewModel.cs b/TINKLib/ViewModel/MiniSurvey/Question/CheckOneViewModel.cs
new file mode 100644
index 0000000..dd5a14f
--- /dev/null
+++ b/TINKLib/ViewModel/MiniSurvey/Question/CheckOneViewModel.cs
@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace TINK.ViewModel.MiniSurvey.Question
+{
+    public class CheckOneViewModel : IMiniSurveyQuestion
+    {
+        /// <summary> Constructs object. </summary>
+        /// <param name="question">Holds the question with key asked to user.</param>
+        /// <param name="answers">Holds the list of possible answers with their option keys.</param>
+        public CheckOneViewModel(
+            KeyValuePair<string, string> question,
+            Dictionary<string, string> answers)
+        {
+            Question = question; 
+            Answers = answers ?? new Dictionary<string, string>();
+        }
+
+        /// <summary> Holds the question with key asked to user. </summary>
+        public KeyValuePair<string, string> Question { get; }
+
+        /// <summary> Holds the question with key asked to user exposed to GUI. </summary>
+        public string QuestionText => Question.Value;
+
+        /// <summary> Holds the list of possible answers with their option keys. </summary>
+        public Dictionary<string, string> Answers { get; }
+
+        /// <summary> Holds the list of possible answers exposed to GUI. </summary>
+        public IEnumerable<string> AnswersText
+        {
+            get => Answers.Select(x => x.Value).ToList();
+            set => AnswersText = Answers.Select(x => x.Value).ToList();
+        }
+
+        /// <summary> Holds the users selected answer (one of answers) with its option key. </summary>
+        public KeyValuePair<string, string> Answer { get; private set; }
+
+        /// <summary> Holds the users selected answer (one of answers) in GUI. </summary>
+        public string AnswerText
+        {
+            get => Answer.Value;
+            set => Answer = Answers.FirstOrDefault(x => x.Value == value);
+        }
+    }
+}
diff --git a/TINKLib/ViewModel/MiniSurvey/Question/FreeTextViewModel.cs b/TINKLib/ViewModel/MiniSurvey/Question/FreeTextViewModel.cs
new file mode 100644
index 0000000..718abbd
--- /dev/null
+++ b/TINKLib/ViewModel/MiniSurvey/Question/FreeTextViewModel.cs
@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace TINK.ViewModel.MiniSurvey.Question
+{
+    public class FreeTextViewModel : IMiniSurveyQuestion
+    {
+        /// <summary> Constructs object. </summary>
+        /// <param name="question">Holds the question with key asked to user.</param>
+        /// <param name="answers">Holds the list of possible answers with their option keys.</param>
+        public FreeTextViewModel(
+            KeyValuePair<string, string> question)
+        {
+            Question = question;
+        }
+
+        /// <summary> Holds the question with key asked to user. </summary>
+        public KeyValuePair<string, string> Question { get; }
+
+        /// <summary> Holds the question with key asked to user exposed to GUI. </summary>
+        public string QuestionText => Question.Value;
+
+        /// <summary> Holds the users selected answer with its option key. </summary>
+        public KeyValuePair<string, string> Answer { get; private set; }
+
+        /// <summary> Holds the list of possible answers exposed to GUI. </summary>
+        public string AnswerText 
+        {
+            get => null;
+            set => Answer = new KeyValuePair<string, string>(value, null);
+        }
+    }
+}
diff --git a/TINKLib/ViewModel/MiniSurvey/Question/IMiniSurveyQuestion.cs b/TINKLib/ViewModel/MiniSurvey/Question/IMiniSurveyQuestion.cs
new file mode 100644
index 0000000..e15880b
--- /dev/null
+++ b/TINKLib/ViewModel/MiniSurvey/Question/IMiniSurveyQuestion.cs
@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+
+namespace TINK.ViewModel.MiniSurvey.Question
+{
+    public interface IMiniSurveyQuestion
+    {
+        /// <summary> Holds the question with key asked to user. </summary>
+        KeyValuePair<string, string> Question { get; }
+
+        /// <summary> Holds the users selected answer with its option key. </summary>
+        KeyValuePair<string, string> Answer { get; }
+    }
+}
diff --git a/TINKLib/ViewModel/Settings/SettingsPageViewModel.cs b/TINKLib/ViewModel/Settings/SettingsPageViewModel.cs
index 420a142..b65f4d1 100644
--- a/TINKLib/ViewModel/Settings/SettingsPageViewModel.cs
+++ b/TINKLib/ViewModel/Settings/SettingsPageViewModel.cs
@@ -26,7 +26,7 @@ namespace TINK.ViewModel
     public class SettingsPageViewModel : INotifyPropertyChanged
     {
         /// <summary>
-        /// Reference on view servcie to show modal notifications and to perform navigation.
+        /// Reference on view service to show modal notifications and to perform navigation.
         /// </summary>
         private IViewService m_oViewService;
 
diff --git a/TINKLib/ViewTypes.cs b/TINKLib/ViewTypes.cs
index c780196..e0acd96 100644
--- a/TINKLib/ViewTypes.cs
+++ b/TINKLib/ViewTypes.cs
@@ -17,6 +17,7 @@
         WhatsNewPage,
         BikesAtStation,
         ContactPage,
-        SelectStationPage
+        SelectStationPage,
+        MiniSurvey
     }
 }
diff --git a/TestShareeLib/Model/Connector/TestUpdaterJSON.cs b/TestShareeLib/Model/Connector/TestUpdaterJSON.cs
index 8cf4a9b..21f907f 100644
--- a/TestShareeLib/Model/Connector/TestUpdaterJSON.cs
+++ b/TestShareeLib/Model/Connector/TestUpdaterJSON.cs
@@ -14,6 +14,7 @@ using static TINK.Repository.CopriCallsMemory;
 using BikeInfo = TINK.Model.Bike.BluetoothLock.BikeInfo;
 using TINK.Model.User.Account;
 using Xamarin.Forms;
+using TINK.Model.MiniSurvey;
 
 namespace TestTINKLib.Fixtures.Connector
 {
@@ -844,7 +845,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{
                 ""eur_per_hour"" : ""10.50"",
                ""abo_eur_per_month"" : ""920.99"",
@@ -877,7 +878,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_Name()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{
                 ""eur_per_hour"" : ""10.50"",
                ""abo_eur_per_month"" : ""920.99"",
@@ -894,7 +895,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_Number()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{
                 ""eur_per_hour"" : ""10.50"",
                ""abo_eur_per_month"" : ""920.99"",
@@ -911,7 +912,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_FreeTimePerSession()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{
                 ""eur_per_hour"" : ""10.50"",
                ""abo_eur_per_month"" : ""920.99"",
@@ -928,7 +929,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_FeeEuroPerHour()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{
                 ""eur_per_hour"" : ""10.50"",
                ""abo_eur_per_month"" : ""920.99"",
@@ -945,7 +946,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_AboEuroPerMonth()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{
                 ""eur_per_hour"" : ""10.50"",
                ""abo_eur_per_month"" : ""920.99"",
@@ -962,7 +963,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_Name_Empty()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{}");
 
             Assert.That(
@@ -973,7 +974,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_Number_Empty()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{}");
 
             Assert.That(
@@ -984,7 +985,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_FreeTimePerSession_Empty()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{}");
 
             Assert.That(
@@ -995,7 +996,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_FeeEuroPerHour_Empty()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{}");
 
             Assert.That(
@@ -1006,7 +1007,7 @@ namespace TestTINKLib.Fixtures.Connector
         [Test]
         public void TestCreateTariffDescription_AboEuroPerMonth_Empty()
         {
-            var tariffDescription = TINK.Repository.Response.JsonConvertRethrow.DeserializeObject<TINK.Repository.Response.TariffDescription>(
+            var tariffDescription = JsonConvertRethrow.DeserializeObject<TariffDescription>(
             @"{}");
 
             Assert.That(
@@ -1018,7 +1019,7 @@ namespace TestTINKLib.Fixtures.Connector
         public void TestCreateTariffDescription_Name_Null()
         {
             Assert.That(
-                BikeInfoFactory.Create((TINK.Repository.Response.TariffDescription)null).Name,
+                BikeInfoFactory.Create((TariffDescription)null).Name,
                 Is.Null);
         }
 
@@ -1026,7 +1027,7 @@ namespace TestTINKLib.Fixtures.Connector
         public void TestCreateTariffDescription_Number_Null()
         {
             Assert.That(
-                BikeInfoFactory.Create((TINK.Repository.Response.TariffDescription)null).Number,
+                BikeInfoFactory.Create((TariffDescription)null).Number,
                 Is.Null);
         }
 
@@ -1034,7 +1035,7 @@ namespace TestTINKLib.Fixtures.Connector
         public void TestCreateTariffDescription_FreeTimePerSession_Null()
         {
              Assert.That(
-                BikeInfoFactory.Create((TINK.Repository.Response.TariffDescription)null).FreeTimePerSession,
+                BikeInfoFactory.Create((TariffDescription)null).FreeTimePerSession,
                 Is.EqualTo(TimeSpan.Zero));
         }
 
@@ -1042,7 +1043,7 @@ namespace TestTINKLib.Fixtures.Connector
         public void TestCreateTariffDescription_FeeEuroPerHour_Null()
         {
             Assert.That(
-                BikeInfoFactory.Create((TINK.Repository.Response.TariffDescription)null).FeeEuroPerHour,
+                BikeInfoFactory.Create((TariffDescription)null).FeeEuroPerHour,
                 Is.NaN);
         }
 
@@ -1050,8 +1051,230 @@ namespace TestTINKLib.Fixtures.Connector
         public void TestCreateTariffDescription_AboEuroPerMonth_Null()
         {
              Assert.That(
-                BikeInfoFactory.Create((TINK.Repository.Response.TariffDescription)null).AboEuroPerMonth,
+                BikeInfoFactory.Create((TariffDescription)null).AboEuroPerMonth,
                 Is.NaN);
         }
+
+        /// <summary>
+        /// COPRI response shortened, part not belonging to user_miniquery discarded.
+        /// </summary>
+        [Test]
+        public void TestCreateMiniSurvey()
+        {
+            var response = JsonConvert.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(@"
+            {
+               ""shareejson"" : {
+                  ""user_miniquery"" : {
+                            ""title"" : ""Bitte unterstützen Sie unsere Begleitforschung"",
+                     ""footer"" : ""Herzlichen Dank und viel Spaß bei der nächsten Fahrt!"",
+                     ""questions"" : {
+                                ""q3"" : {
+                                    ""quest_text"" : ""3. Haben Sie Anmerkungen oder Anregungen?"",
+                           ""type"" : ""text"",
+                           ""query"" : {
+                                        ""opt1"" : """"
+                           }
+                                },
+                        ""q1"" : {
+                                    ""type"" : ""check_one"",
+                           ""quest_text"" : ""1. Was war der Hauptzweck dieser Ausleihe?"",
+                           ""query"" : {
+                                        ""opt2"" : ""b. Kinderbeförderung"",
+                              ""opt5"" : ""e. Ausprobieren"",
+                              ""opt4"" : ""d. Freizeit"",
+                              ""opt1"" : ""a. Einkauf"",
+                              ""opt3"" : ""c. Lastentransport"",
+                              ""opt6"" : ""f. Sonstiges""
+                           }
+                                },
+                        ""q2"" : {
+                                    ""type"" : ""check_one"",
+                           ""quest_text"" : ""2. Welches Verkehrsmittel hätten Sie ansonsten benutzt?"",
+                           ""query"" : {
+                                        ""opt6"" : ""f. Keines (ich hätte die Fahrt sonst nicht gemacht)"",
+                              ""opt3"" : ""c. Bus oder Bahn"",
+                              ""opt1"" : ""a. Auto"",
+                              ""opt2"" : ""b. Motorrad oder Motorroller"",
+                              ""opt7"" : ""g. Sonstige"",
+                              ""opt4"" : ""d. Eigenes Fahrrad"",
+                              ""opt5"" : ""e. Zu Fuß""
+                           }
+                                }
+                            },
+                     ""subtitle"" : ""Ihre drei Antworten werden anonym gespeichert.""
+                  },
+               }
+            }
+
+            ");
+
+            var survey = response.shareejson.Create();
+            
+            Assert.That(
+                survey,
+                Is.Not.Null);
+
+            Assert.That(
+                survey.Title,
+                Is.EqualTo("Bitte unterstützen Sie unsere Begleitforschung"));
+
+            Assert.That(
+                survey.Subtitle,
+                Is.EqualTo("Ihre drei Antworten werden anonym gespeichert."));
+
+            Assert.That(
+                survey.Footer,
+                Is.EqualTo("Herzlichen Dank und viel Spaß bei der nächsten Fahrt!"));
+
+            Assert.That(
+                survey.Questions.Count,
+                Is.EqualTo(3));
+        }
+
+        /// <summary>
+        /// COPRI response shortened, part not belonging to user_miniquery discarded.
+        /// </summary>
+        [Test]
+        public void TestCreateMiniSurvey_Null()
+        {
+            var response = JsonConvert.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(@"
+            {
+               ""shareejson"" : {
+               }
+            }
+
+            ");
+
+            var survey = response.shareejson.Create();
+
+            Assert.That(
+                survey,
+                Is.Not.Null);
+
+            Assert.That(
+                survey.Title,
+                Is.Null);
+
+            Assert.That(
+                survey.Subtitle,
+                Is.Null);
+
+            Assert.That(
+                survey.Footer,
+                Is.Null);
+        }
+
+        /// <summary>
+        /// COPRI response shortened, part not belonging to user_miniquery discarded.
+        /// </summary>
+        [Test]
+        public void TestCreateMiniSurvey_EmptyQuery()
+        {
+            var response = JsonConvert.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(@"
+            {
+               ""shareejson"" : {
+                  ""user_miniquery"" : {
+                  },
+               }
+            }
+
+            ");
+
+            var survey = response.shareejson.Create();
+
+            Assert.That(
+                survey,
+                Is.Not.Null);
+
+            Assert.That(
+                survey.Title,
+                Is.Null);
+
+            Assert.That(
+                survey.Subtitle,
+                Is.Null);
+
+            Assert.That(
+                survey.Footer,
+                Is.Null);
+        }
+
+        /// <summary>
+        /// COPRI response shortened, part not belonging to user_miniquery discarded.
+        /// </summary>
+        [Test]
+        public void TestCreateMiniSurvey_InvalidQuestion_KeyNull()
+        {
+            var response = JsonConvert.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(@"
+            {
+               ""shareejson"" : {
+                  ""user_miniquery"" : {
+                            ""title"" : ""Bitte unterstützen Sie unsere Begleitforschung"",
+                     ""footer"" : ""Herzlichen Dank und viel Spaß bei der nächsten Fahrt!"",
+                     ""questions"" : {
+                        """" : {
+                                    ""type"" : ""check_one"",
+                           ""quest_text"" : ""1. Was war der Hauptzweck dieser Ausleihe?"",
+                           ""query"" : {
+                                        ""opt2"" : ""b. Kinderbeförderung"",
+                              ""opt5"" : ""e. Ausprobieren"",
+                              ""opt4"" : ""d. Freizeit"",
+                              ""opt1"" : ""a. Einkauf"",
+                              ""opt3"" : ""c. Lastentransport"",
+                              ""opt6"" : ""f. Sonstiges""
+                           }
+                                },
+                            },
+                     ""subtitle"" : ""Ihre drei Antworten werden anonym gespeichert.""
+                  },
+               }
+            }
+
+            ");
+
+            var survey = response.shareejson.Create();
+
+            Assert.That(
+                survey,
+                Is.Not.Null);
+
+            Assert.That(
+                survey.Questions.Count,
+                Is.EqualTo(0));
+        }
+
+        /// <summary>
+        /// COPRI response shortened, part not belonging to user_miniquery discarded.
+        /// </summary>
+        [Test]
+        public void TestCreateMiniSurvey_InvalidQuestion_ValueNull()
+        {
+            var response = JsonConvert.DeserializeObject<ResponseContainer<ReservationCancelReturnResponse>>(@"
+            {
+               ""shareejson"" : {
+                  ""user_miniquery"" : {
+                            ""title"" : ""Bitte unterstützen Sie unsere Begleitforschung"",
+                     ""footer"" : ""Herzlichen Dank und viel Spaß bei der nächsten Fahrt!"",
+                     ""questions"" : {
+                        ""q1"" : {
+                                },
+                            },
+                     ""subtitle"" : ""Ihre drei Antworten werden anonym gespeichert.""
+                  },
+               }
+            }
+
+            ");
+
+            var survey = response.shareejson.Create();
+
+            Assert.That(
+                survey,
+                Is.Not.Null);
+
+            Assert.That(
+                survey.Questions.Count,
+                Is.EqualTo(0));
+        }
     }
 }
diff --git a/TestShareeLib/Model/MiniSurvey/TestMiniSurveyModel.cs b/TestShareeLib/Model/MiniSurvey/TestMiniSurveyModel.cs
new file mode 100644
index 0000000..d30d5bc
--- /dev/null
+++ b/TestShareeLib/Model/MiniSurvey/TestMiniSurveyModel.cs
@@ -0,0 +1,20 @@
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using TINK.Model.MiniSurvey;
+
+namespace TestShareeLib.Model.MiniSurvey
+{
+    [TestFixture]
+    public class TestMiniSurveyModel
+    {
+        [Test]
+        public void TestCtor()
+        {
+            Assert.That(
+                new MiniSurveyModel().Questions,
+                Is.Not.Null);
+        }
+    }
+}
diff --git a/TestShareeLib/Model/MiniSurvey/TestQuestionModel.cs b/TestShareeLib/Model/MiniSurvey/TestQuestionModel.cs
new file mode 100644
index 0000000..fb89c98
--- /dev/null
+++ b/TestShareeLib/Model/MiniSurvey/TestQuestionModel.cs
@@ -0,0 +1,16 @@
+using NUnit.Framework;
+using TINK.Model.MiniSurvey;
+
+namespace TestShareeLib.Model.MiniSurvey
+{
+    [TestFixture]
+    public class TestQuestionModel
+    {
+        public void TestCtro()
+        {
+            Assert.That(
+                    new MiniSurveyModel.QuestionModel().PossibleAnswers,
+                    Is.Not.Null);
+        }
+    }
+}
diff --git a/TestTINKLib/Fixtures/ObjectTests/Connector/Request/TestRequestBuilder.cs b/TestShareeLib/Repository/Request/TestRequestBuilder.cs
similarity index 97%
rename from TestTINKLib/Fixtures/ObjectTests/Connector/Request/TestRequestBuilder.cs
rename to TestShareeLib/Repository/Request/TestRequestBuilder.cs
index 0ca652a..0dfd9ad 100644
--- a/TestTINKLib/Fixtures/ObjectTests/Connector/Request/TestRequestBuilder.cs
+++ b/TestShareeLib/Repository/Request/TestRequestBuilder.cs
@@ -3,7 +3,7 @@ using System;
 using TINK.Repository.Exception;
 using TINK.Repository.Request;
 
-namespace UITest.Fixtures.ObjectTests.Connector.Request
+namespace TestShareeLib.Repository.Request
 {
     [TestFixture]
     public class TestRequestBuilder
diff --git a/TestTINKLib/Fixtures/ObjectTests/Connector/Request/TestRequestBuilderLoggedIn.cs b/TestShareeLib/Repository/Request/TestRequestBuilderLoggedIn.cs
similarity index 71%
rename from TestTINKLib/Fixtures/ObjectTests/Connector/Request/TestRequestBuilderLoggedIn.cs
rename to TestShareeLib/Repository/Request/TestRequestBuilderLoggedIn.cs
index 5f52296..6056a8d 100644
--- a/TestTINKLib/Fixtures/ObjectTests/Connector/Request/TestRequestBuilderLoggedIn.cs
+++ b/TestShareeLib/Repository/Request/TestRequestBuilderLoggedIn.cs
@@ -1,9 +1,10 @@
 using NUnit.Framework;
 using System;
+using System.Collections.Generic;
 using TINK.Repository.Exception;
 using TINK.Repository.Request;
 
-namespace TestTINKLib.Fixtures.ObjectTests.Connector.Request
+namespace TestShareeLib.Repository.Request
 {
     [TestFixture]
     public class TestRequestBuilderLoggedIn
@@ -108,5 +109,37 @@ namespace TestTINKLib.Fixtures.ObjectTests.Connector.Request
                 "request=booking_update&bike=42&authcookie=456123&Ilockit_GUID=0000f00d-1212-efde-1523-785fef13d123&state=occupied&lock_state=unlocked",
                 new RequestBuilderLoggedIn("123", "456").DoBook("42", new Guid("0000f00d-1212-efde-1523-785fef13d123"), double.NaN));
         }
+
+        [Test]
+        public void TestDoSubmitMiniSurvey()
+        {
+            Assert.That(
+                new RequestBuilderLoggedIn("Merchy", "Keksi").DoSubmitMiniSurvey(new Dictionary<string, string> { { "q1", "opt5" }, { "q2", "opt4" }, { "q3", "der Freitext" } }),
+                Is.EqualTo("request=user_minianswer&q1=opt5&q2=opt4&q3=der+Freitext&authcookie=KeksiMerchy"));
+        }
+
+        [Test]
+        public void TestDoSubmitMiniSurveyNull()
+        {
+            Assert.That(
+                new RequestBuilderLoggedIn("Merchy", "Keksi").DoSubmitMiniSurvey(null),
+                Is.EqualTo("request=user_minianswer&authcookie=KeksiMerchy"));
+        }
+
+        [Test]
+        public void TestDoSubmitMiniSurveyEmptyDict()
+        {
+            Assert.That(
+                new RequestBuilderLoggedIn("Merchy", "Keksi").DoSubmitMiniSurvey(new Dictionary<string, string>()),
+                Is.EqualTo("request=user_minianswer&authcookie=KeksiMerchy"));
+        }
+
+        [Test]
+        public void TestDoSubmitMiniSurveyFilterInvalidEntries()
+        {
+            Assert.That(
+                new RequestBuilderLoggedIn("Merchy", "Keksi").DoSubmitMiniSurvey(new Dictionary<string, string> { { "q1", "opt5" }, { "", "opt99" }, { "q99", "" }, { "q2", "opt4" }, { "q3", "der Freitext" } }),
+                Is.EqualTo("request=user_minianswer&q1=opt5&q2=opt4&q3=der+Freitext&authcookie=KeksiMerchy"));
+        }
     }
 }
diff --git a/TestShareeLib/Repository/Response/TestMiniSurvey.cs b/TestShareeLib/Repository/Response/TestMiniSurvey.cs
new file mode 100644
index 0000000..91d731e
--- /dev/null
+++ b/TestShareeLib/Repository/Response/TestMiniSurvey.cs
@@ -0,0 +1,153 @@
+using Newtonsoft.Json;
+using NUnit.Framework;
+using System.Linq;
+using System.Runtime.Serialization;
+using TINK.Repository.Response;
+
+namespace TestShareeLib.Repository.Response
+{
+    [TestFixture]
+    public class TestMiniSurvey
+    {
+        [DataContract]
+        public class MiniSurveyTestContainer
+        {
+            [DataMember]
+            public MiniSurveyResponse user_miniquery { get; set;}
+        }
+
+        [Test]
+        public void TestCtor()
+        {
+            var mini = JsonConvert.DeserializeObject<MiniSurveyTestContainer>(@"{
+                ""user_miniquery"" : {
+                    ""footer"" : ""Herzlichen Dank und viel Spaß bei der nächsten Fahrt!"",
+                    ""subtitle"" : ""Ihre drei Antworten werden anonym gespeichert."",
+                    ""title"" : ""Bitte unterstützen Sie unsere Begleitforschung"",
+                        ""questions"" : {
+                            ""q1"" : {
+                                ""quest_text"" : ""1. Was war der Hauptzweck dieser Ausleihe?"",
+                                ""type"" : ""check_one"",
+                                ""query"" : {
+                                    ""opt5"" : ""e. Ausprobieren"",
+                                    ""opt3"" : ""c. Lastentransport"",
+                                    ""opt6"" : ""f. Sonstiges"",
+                                    ""opt1"" : ""a. Einkauf"",
+                                    ""opt4"" : ""d. Freizeit"",
+                                    ""opt2"" : ""b. Kinderbeförderung""
+                                }
+                            },
+                            ""q2"" : {
+                                ""type"" : ""check_one"",
+                                ""quest_text"" : ""2. Welches Verkehrsmittel hätten Sie ansonsten benutzt?"",
+                                ""query"" : {
+                                    ""opt1"" : ""a. Auto"",
+                                    ""opt7"" : ""g. Sonstige"",
+                                    ""opt2"" : ""b. Motorrad oder Motorroller"",
+                                    ""opt4"" : ""d. Eigenes Fahrrad"",
+                                    ""opt6"" : ""f. Keines (ich hätte die Fahrt sonst nicht gemacht)"",
+                                    ""opt5"" : ""e. Zu Fuß"",
+                                    ""opt3"" : ""c. Bus oder Bahn""
+                                },
+                            },
+                            ""q3"" : {
+                                ""type"" : ""text"",
+                                ""quest_text"" : ""3. Haben Sie Anmerkungen oder Anregungen?"",
+                                ""query"" : {
+                                    ""opt1"" : """"
+                                },
+                            },
+                        },
+                     },
+                }");
+
+            Assert.That(
+                mini.user_miniquery.title,
+                Is.EqualTo("Bitte unterstützen Sie unsere Begleitforschung"));
+
+            Assert.That(
+                mini.user_miniquery.subtitle,
+                Is.EqualTo("Ihre drei Antworten werden anonym gespeichert."));
+
+            Assert.That(
+                mini.user_miniquery.subtitle,
+                Is.EqualTo("Ihre drei Antworten werden anonym gespeichert."));
+
+            Assert.That(
+                mini.user_miniquery.questions.Count,
+                Is.EqualTo(3));
+
+            Assert.That(
+                mini.user_miniquery.questions.Count,
+                Is.EqualTo(3));
+
+            // Verify first question.
+            var query = mini.user_miniquery.questions.OrderBy(x => x.Key).ToArray()[0];
+
+            Assert.That(
+                query.Value.quest_text,
+                Is.EqualTo("1. Was war der Hauptzweck dieser Ausleihe?"));
+
+            Assert.That(
+                query.Value.type,
+                Is.EqualTo("check_one"));
+
+            Assert.That(
+                query.Value.query.Count,
+                Is.EqualTo(6));
+
+            var answer = query.Value.query.OrderBy(x => x.Key).ToArray()[0];
+
+            Assert.That(
+                answer.Value,
+                Is.EqualTo("a. Einkauf"));
+
+            answer = query.Value.query.OrderBy(x => x.Key).ToArray()[2];
+            Assert.That(
+                answer.Value,
+                Is.EqualTo("c. Lastentransport"));
+
+            // Verify second question.
+            query = mini.user_miniquery.questions.OrderBy(x => x.Key).ToArray()[1];
+
+            Assert.That(
+                query.Value.quest_text,
+                Is.EqualTo("2. Welches Verkehrsmittel hätten Sie ansonsten benutzt?"));
+
+            Assert.That(
+                query.Value.type,
+                Is.EqualTo("check_one"));
+
+            Assert.That(
+                query.Value.query.Count,
+                Is.EqualTo(7));
+
+            answer = query.Value.query.OrderBy(x => x.Key).ToArray()[1];
+
+            Assert.That(
+                answer.Value,
+                Is.EqualTo("b. Motorrad oder Motorroller"));
+
+            // Verify thired question.
+            query = mini.user_miniquery.questions.OrderBy(x => x.Key).ToArray()[2];
+
+            Assert.That(
+                query.Value.quest_text,
+                Is.EqualTo("3. Haben Sie Anmerkungen oder Anregungen?"));
+
+            Assert.That(
+                query.Value.type,
+                Is.EqualTo("text"));
+
+            Assert.That(
+                query.Value.query.Count,
+                Is.EqualTo(1));
+
+            answer = query.Value.query.OrderBy(x => x.Key).ToArray()[0];
+
+            Assert.That(
+                answer.Value,
+                Is.EqualTo(""));
+        }
+    }
+}
diff --git a/TestShareeLib/ViewModel/MiniSurvey/Question/TestCheckOneViewModel.cs b/TestShareeLib/ViewModel/MiniSurvey/Question/TestCheckOneViewModel.cs
new file mode 100644
index 0000000..70930f4
--- /dev/null
+++ b/TestShareeLib/ViewModel/MiniSurvey/Question/TestCheckOneViewModel.cs
@@ -0,0 +1,59 @@
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using TINK.ViewModel.MiniSurvey.Question;
+
+namespace TestShareeLib.ViewModel.MiniSurvey.Question
+{
+    [TestFixture]
+    public class TestCheckOneViewModel
+    {
+        [Test]
+        public void TestCtor()
+        {
+            var vm = new CheckOneViewModel(
+                new KeyValuePair<string, string>("q5", "wie ist das Wetter heute"),
+                new Dictionary<string, string> { { "opt1", "regnerisch"}, { "opt2", "bewölkt" }, { "opt3", "sonnig" } });
+
+            Assert.That(
+                vm.Question.Key,
+                Is.EqualTo("q5"),
+                "Key is essential for COPRI request.");
+
+            Assert.That(
+                vm.QuestionText,
+                Is.EqualTo("wie ist das Wetter heute"),
+                "Question shown to user.");
+
+            Assert.That(
+                string.Join(',', vm.AnswersText),
+                Is.EqualTo("regnerisch,bewölkt,sonnig"),
+                "Gui must show three options.");
+
+            Assert.That(
+                vm.AnswerText,
+                Is.EqualTo(null),
+                "GUI should not show selected entry.");
+
+            Assert.That(
+                vm.Answer.Key,
+                Is.EqualTo(null),
+                "View model shold not hold any selected endtry.");
+        }
+
+        [Test]
+        public void TestSelected()
+        {
+            var vm = new CheckOneViewModel(
+                new KeyValuePair<string, string>("q5", "wie ist das Wetter heute"),
+                new Dictionary<string, string> { { "opt1", "regnerisch" }, { "opt2", "bewölkt" }, { "opt3", "sonnig" } });
+
+            vm.AnswerText = "sonnig"; // Member is called if user selects an entry.
+            Assert.That(
+                vm.Answer.Key,
+                Is.EqualTo("opt3"),
+                "Key matching to selected item must be set as answer.");
+        }
+    }
+}
diff --git a/TestShareeLib/ViewModel/MiniSurvey/Question/TestFreeTextViewModel.cs b/TestShareeLib/ViewModel/MiniSurvey/Question/TestFreeTextViewModel.cs
new file mode 100644
index 0000000..1b46475
--- /dev/null
+++ b/TestShareeLib/ViewModel/MiniSurvey/Question/TestFreeTextViewModel.cs
@@ -0,0 +1,54 @@
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using TINK.ViewModel.MiniSurvey.Question;
+
+namespace TestShareeLib.ViewModel.MiniSurvey.Question
+{
+    [TestFixture]
+    class TestFreeTextViewModel
+    {
+        [Test]
+        public void TestCtor()
+        {
+            var vm = new FreeTextViewModel(
+                new KeyValuePair<string, string>("q9", "War das essen heute gut?"));
+
+            Assert.That(
+                vm.Question.Key,
+                Is.EqualTo("q9"),
+                "Key is essential for COPRI request.");
+
+            Assert.That(
+                vm.QuestionText,
+                Is.EqualTo("War das essen heute gut?"),
+                "Question shown to user.");
+
+            Assert.That(
+                vm.AnswerText,
+                Is.EqualTo(null),
+                "GUI should not show selected entry.");
+
+            Assert.That(
+                vm.Answer.Key,
+                Is.EqualTo(null),
+                "View model shold not hold any selected endtry.");
+        }
+
+        [Test]
+        public void TestSelected()
+        {
+            var vm = new FreeTextViewModel(
+                new KeyValuePair<string, string>("q9", "War das essen heute gut?"));
+
+            vm.AnswerText = "Sehr wohlschmeckend!"; // Member is called if user enters text.
+            
+            Assert.That(
+                vm.Answer.Key,
+                Is.EqualTo("Sehr wohlschmeckend!"),
+                "Key is the answer for COPRI.");
+        }
+
+    }
+}
diff --git a/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedClosed.cs b/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedClosed.cs
index 39f37e8..d0b30b4 100644
--- a/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedClosed.cs
+++ b/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedClosed.cs
@@ -20,6 +20,7 @@ using TINK.Repository.Request;
 using TINK.Repository.Response;
 using Newtonsoft.Json;
 using TINK.Model.Device;
+using TINK.Model.MiniSurvey;
 
 namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
 {
@@ -337,7 +338,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             locks[0].GetDeviceState().Returns(DeviceState.Connected); // Simulate bike in reach. If bike is out of reach bluetooth state changes to unknown.
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns(x => throw new WebConnectFailureException("Context info", new Exception("hoppla")));
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns<MiniSurveyModel>(x => throw new WebConnectFailureException("Context info", new Exception("hoppla")));
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Reqesthandler factory queries state to create appropriate request handler object.
             bike.LockInfo.State.Returns(LockingState.Closed); // Requsthandler factory queries lock state to create appropriate request handler object.
@@ -408,7 +409,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             NotAtStationException.IsNotAtStation("Failure 2178: bike 1545 out of GEO fencing. 15986 meter distance to next station 42. OK: bike 1545 locked confirmed", out NotAtStationException notAtStationException);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns(x =>
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns<MiniSurveyModel>(x =>
                 throw notAtStationException);
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Reqesthandler factory queries state to create appropriate request handler object.
@@ -478,7 +479,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             NoGPSDataException.IsNoGPSData("Failure 2245: No GPS data, state change forbidden.", out NoGPSDataException noGPSDataException);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns(x =>
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns<MiniSurveyModel>(x =>
                 throw noGPSDataException);
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Reqesthandler factory queries state to create appropriate request handler object.
@@ -546,7 +547,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             locks[0].GetDeviceState().Returns(DeviceState.Connected); // Simulate bike in reach. If bike is out of reach bluetooth state changes to unknown.
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns(x => 
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns<MiniSurveyModel>(x => 
                 throw new ReturnBikeException(JsonConvert.DeserializeObject<ReservationCancelReturnResponse>(@"{ ""response_text"" : ""Some invalid data received!""}"), "Outer message."));
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Reqesthandler factory queries state to create appropriate request handler object.
@@ -614,7 +615,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             locks[0].GetDeviceState().Returns(DeviceState.Connected); // Simulate bike in reach. If bike is out of reach bluetooth state changes to unknown.
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns(x => throw new Exception("Exception message."));
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>()).Returns<MiniSurveyModel>(x => throw new Exception("Exception message."));
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Reqesthandler factory queries state to create appropriate request handler object.
             bike.LockInfo.State.Returns(LockingState.Closed); // Requsthandler factory queries lock state to create appropriate request handler object.
diff --git a/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedOpen.cs b/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedOpen.cs
index 4e49c8b..35df307 100644
--- a/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedOpen.cs
+++ b/TestTINKLib/Fixtures/ObjectTests/ViewModel/Bikes/Bike/BluetoothLock/RequestHandler/TestBookedOpen.cs
@@ -21,6 +21,7 @@ using TINK.Repository.Request;
 using Newtonsoft.Json;
 using TINK.Repository.Response;
 using TINK.Model.Device;
+using TINK.Model.MiniSurvey;
 
 namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.RequestHandler
 {
@@ -472,7 +473,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
             locks[0].CloseAsync()
                 .Returns(LockitLockingState.Closed);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns(x => throw new WebConnectFailureException("Context info", new System.Exception("hoppla")));
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns<MiniSurveyModel>(x => throw new WebConnectFailureException("Context info", new System.Exception("hoppla")));
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Booking state remains unchanged if closing fails.
 
@@ -541,7 +542,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
             locks[0].CloseAsync()
                 .Returns(LockitLockingState.Closed);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns(x => throw new System.Exception("Exception message."));
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns<MiniSurveyModel>(x => throw new System.Exception("Exception message."));
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Booking state remains unchanged if closing fails.
 
@@ -612,7 +613,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             NotAtStationException.IsNotAtStation("Failure 2178: bike 1545 out of GEO fencing. 15986 meter distance to next station 77. OK: bike 1545 locked confirmed", out NotAtStationException notAtStationException);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns(x =>
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns<MiniSurveyModel>(x =>
                 throw notAtStationException);
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Booking state remains unchanged if closing fails.
@@ -684,7 +685,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
 
             NoGPSDataException.IsNoGPSData("Failure 2245: No GPS data, state change forbidden.", out NoGPSDataException noGPSDataException);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns(x =>
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns<MiniSurveyModel>(x =>
                 throw noGPSDataException);
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Booking state remains unchanged if closing fails.
@@ -754,7 +755,7 @@ namespace TestTINKLib.Fixtures.ObjectTests.ViewModel.Bikes.Bike.BluetoothLock.Re
             locks[0].CloseAsync()
                 .Returns(LockitLockingState.Closed);
 
-            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns(x =>
+            connector.Command.DoReturn(bike, Arg.Any<LocationDto>(), Arg.Any<ISmartDevice>()).Returns<MiniSurveyModel>(x =>
                 throw new ReturnBikeException(JsonConvert.DeserializeObject<ReservationCancelReturnResponse>(@"{ ""response_text"" : ""Some invalid data received!""}"), "Outer message."));
 
             bike.State.Value.Returns(InUseStateEnum.Booked); // Booking state remains unchanged if closing fails.
diff --git a/TestTINKLib/Mocks/Connector/CopriCallsCacheMemory.cs b/TestTINKLib/Mocks/Connector/CopriCallsCacheMemory.cs
index 9768d1d..75a3281 100644
--- a/TestTINKLib/Mocks/Connector/CopriCallsCacheMemory.cs
+++ b/TestTINKLib/Mocks/Connector/CopriCallsCacheMemory.cs
@@ -6,6 +6,7 @@ using TINK.Repository.Response;
 using static TINK.Repository.CopriCallsMemory;
 using TINK.Repository.Request;
 using TINK.Model.Device;
+using System.Collections.Generic;
 
 namespace TestTINKLib.Mocks.Connector
 {
@@ -88,6 +89,11 @@ namespace TestTINKLib.Mocks.Connector
         public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string message, bool isBikeBroken, Uri operatorUri)
             => throw new NotImplementedException();
 
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => throw new NotImplementedException();
+
         public Task<BikesAvailableResponse> GetBikesAvailableAsync()
         {
             return server.GetBikesAvailableAsync();
diff --git a/TestTINKLib/Mocks/Connector/ExceptionServer.cs b/TestTINKLib/Mocks/Connector/ExceptionServer.cs
index 91a932d..e8e0a58 100644
--- a/TestTINKLib/Mocks/Connector/ExceptionServer.cs
+++ b/TestTINKLib/Mocks/Connector/ExceptionServer.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using TINK.Model.Device;
 using TINK.Repository;
@@ -64,6 +65,11 @@ namespace TestTINKLib.Mocks.Connector
         public Task<SubmitFeedbackResponse> DoSubmitFeedback(string bikeId, string message, bool isBikeBroken, Uri operatorUri)
             => throw new NotImplementedException();
 
+        /// <summary> Submits mini survey to copri server. </summary>
+        /// <param name="answers">Collection of answers.</param>
+        public Task<ResponseBase> DoSubmitMiniSurvey(IDictionary<string, string> answers)
+            => throw new NotImplementedException();
+
         public Task<BikesAvailableResponse> GetBikesAvailableAsync()
         {
             throw ExceptionFactory($"Simulated error thrown at {nameof(GetBikesAvailableAsync)}.");
diff --git a/TestTINKLib/TestTINKLib.csproj b/TestTINKLib/TestTINKLib.csproj
index 5faaaf0..bed966c 100644
--- a/TestTINKLib/TestTINKLib.csproj
+++ b/TestTINKLib/TestTINKLib.csproj
@@ -70,8 +70,6 @@
     <Compile Include="Fixtures\ObjectTests\Connector\TestConnectorCache.cs" />
     <Compile Include="Fixtures\ObjectTests\Connector\TestCopriCallsHttps.cs" />
     <Compile Include="Fixtures\ObjectTests\Connector\TestCopriCallsStatic.cs" />
-    <Compile Include="Fixtures\ObjectTests\Connector\Request\TestRequestBuilder.cs" />
-    <Compile Include="Fixtures\ObjectTests\Connector\Request\TestRequestBuilderLoggedIn.cs" />
     <Compile Include="Fixtures\ObjectTests\Connector\Response\TestResponseHelper.cs" />
     <Compile Include="Fixtures\ObjectTests\Connector\TestCommandLoggedIn.cs" />
     <Compile Include="Fixtures\ObjectTests\Connector\TestConnector.cs" />