Version 3.0.346

TINKLib/Model/ITinkApp.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Threading;
@@ -6,6 +6,7 @@ using Serilog.Events;
 using TINK.Model.Connector;
 using TINK.Model.Device;
 using TINK.Model.Services.CopriApi.ServerUris;
+using TINK.Model.Settings;
 using TINK.Model.Station;
 using TINK.Services;
 using TINK.Services.BluetoothLock;
@@ -65,6 +66,9 @@ namespace TINK.Model
 		/// <summary> Holds the filters loaded from settings. </summary>
 		IGroupFilterSettings FilterGroupSetting { get; set; }
 
+		/// <summary>Settings determining the startup behavior of the app.</summary>
+		IStartupSettings StartupSettings { get; }
+
 		/// <summary> Value indicating whether map is centerted to current position or not. </summary>
 		bool CenterMapToCurrentLocation { get; set; }
 
@@ -84,10 +88,9 @@ namespace TINK.Model
 		/// <summary> Gets a value indicating whether reporting level is verbose or not.</summary>
 		bool IsReportLevelVerbose { get; set; }
 
-
 		/// <summary> Updates logging level. </summary>
-		/// <param name="p_oNewLevel">New level to set.</param>
-		void UpdateLoggingLevel(LogEventLevel p_oNewLevel);
+		/// <param name="newLogLevel">New level to set.</param>
+		void UpdateLoggingLevel(LogEventLevel newLogLevel);
 
 		/// <summary>Holds uris of copri servers. </summary>
 		CopriServerUriList Uris { get; }
@@ -113,7 +116,7 @@ namespace TINK.Model
 		/// <summary> Holds the stations availalbe. </summary>
 		IEnumerable<IStation> Stations { get; set; }
 
-
+		/// <summary> Holds the Urs to query resources from. </summary>
 		IResourceUrls ResourceUrls { get; set; }
 	}
 

TINKLib/Model/Settings/IStartupSettings.cs

@@ -0,0 +1,9 @@
+namespace TINK.Model.Settings
+{
+	/// <summary> Settings determining the startup behavior of the app. </summary>
+	public interface IStartupSettings
+	{
+		/// <summary> Holds the page to show when apps starts. </summary>
+		ViewTypes StartupPage { get; set; }
+	}
+}

TINKLib/Model/Settings/JsonSettingsDictionary.cs

@@ -1,6 +1,7 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
+using Foundation;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using Serilog.Events;
@@ -39,6 +40,9 @@ namespace TINK.Model.Settings
 		/// <summary> Key of the center to ... entry. </summary>
 		public const string CENTERMAPTOCURRENTLOCATION = "CenterMapToCurrentLocation";
 
+		/// <summary> Key of the center to ... entry. </summary>
+		public const string STARTUPSETTINGS = "StartupSettings";
+
 		public const string LOGTOEXTERNALFOLDER = "LogToExternalFolder";
 
 		public const string THEMEKEY = "Theme";
@@ -49,7 +53,7 @@ namespace TINK.Model.Settings
 		/// <param name="settingsJSON">Dictionary to get value from.</param>
 		public static T? GetNullableEntry<T>(
 			string keyName,
-			Dictionary<string, string> settingsJSON) where T : struct
+			IDictionary<string, string> settingsJSON) where T : struct
 		{
 			if (!settingsJSON.TryGetValue(keyName, out string boolText)
 				|| string.IsNullOrEmpty(boolText))
@@ -65,7 +69,7 @@ namespace TINK.Model.Settings
 		/// <param name="settingsJSON">Dictionary to get value from.</param>
 		public static T GetEntry<T>(
 			string keyName,
-			Dictionary<string, string> settingsJSON,
+			IDictionary<string, string> settingsJSON,
 			Func<string, string> legacyValueConverter = null) where T : class
 		{
 			if (string.IsNullOrEmpty(keyName)
@@ -465,7 +469,7 @@ namespace TINK.Model.Settings
 		public static bool? GetIsSiteCachingOn(Dictionary<string, string> settingsJSON) => GetNullableEntry<bool>(ISSITECACHINGON, settingsJSON);
 
 		/// <summary> Sets whether to store logging data on SD card or not.</summary>
-		/// <param name="settingsJSON">Dictionary to get value from.</param>
+		/// <param name="settingsJSON">Dictionary to write value to.</param>
 		public static Dictionary<string, string> SetLogToExternalFolder(this IDictionary<string, string> targetDictionary, bool useSdCard) => SetEntry(useSdCard, LOGTOEXTERNALFOLDER, targetDictionary);
 
 		/// <summary> Sets active theme.</summary>
@@ -550,5 +554,28 @@ namespace TINK.Model.Settings
 			settings["FilterCollection"] = JsonConvert.SerializeObject(p_oFilterCollection);
 			return settings;
 		}
+
+		/// <summary>
+		/// Gets the startup settings from dictionary.
+		/// </summary>
+		/// <param name="settings">Settings objet to load from.</param>
+		public static StartupSettings GetStartupSettings(this IDictionary<string, string> settingsJSON)
+			=> GetEntry<StartupSettings>(STARTUPSETTINGS, settingsJSON) ?? new StartupSettings();
+
+		/// <summary> Sets the startup settings.</summary>
+		/// <param name="settingsJSON">Dictionary to write value to.</param>
+		public static IDictionary<string, string> SetStartupSettings(
+			this IDictionary<string, string> settingsJSON,
+			IStartupSettings startupSettings)
+		{
+			if (settingsJSON == null
+				|| startupSettings == null)
+			{
+				return settingsJSON;
+			}
+
+			settingsJSON[STARTUPSETTINGS] = JsonConvert.SerializeObject(startupSettings);
+			return settingsJSON;
+		}
 	}
 }

TINKLib/Model/Settings/Settings.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using Serilog.Events;
 using TINK.Services.BluetoothLock;
 using TINK.Services.CopriApi.ServerUris;
@@ -27,6 +27,7 @@ namespace TINK.Model.Settings
 		/// <summary> Constructs settings object. </summary>
 		/// <param name="groupFilterMapPage">filter which is applied on the map view. Either TINK or Konrad stations are displayed.</param>
 		/// <param name="groupFilterSettings"></param>
+		/// <param name="startupSettings">Settings determining the startup behavior of the app.</param>
 		/// <param name="activeUri"></param>
 		/// <param name="pollingParameters"></param>
 		/// <param name="minimumLogEventLevel">Minimum logging level to be applied.</param>
@@ -38,6 +39,7 @@ namespace TINK.Model.Settings
 		public Settings(
 			IGroupFilterMapPage groupFilterMapPage = null,
 			IGroupFilterSettings groupFilterSettings = null,
+			IStartupSettings startupSettings = null,
 			Uri activeUri = null,
 			PollingParameters pollingParameters = null,
 			LogEventLevel? minimumLogEventLevel = null,
@@ -54,6 +56,7 @@ namespace TINK.Model.Settings
 		{
 			GroupFilterMapPage = groupFilterMapPage ?? new GroupFilterMapPage(); // Default behaviour: No filtering.
 			GroupFilterSettings = groupFilterSettings ?? new GroupFilterSettings(); // Default behaviour: No filtering.
+			StartupSettings = startupSettings ?? new StartupSettings();
 			ActiveUri = GetActiveUri(activeUri);
 			PollingParameters = pollingParameters ?? PollingParameters.Default;
 			MinimumLogEventLevel = minimumLogEventLevel ?? DEFAULTLOGGINLEVEL;
@@ -75,6 +78,9 @@ namespace TINK.Model.Settings
 		/// <summary> Holds the filters loaded from settings. </summary>
 		public IGroupFilterSettings GroupFilterSettings { get; }
 
+		/// <summary> Holds the stettings determining app startup behavior. </summary>
+		public IStartupSettings StartupSettings { get; }
+
 		/// <summary> Holds the uri to connect to. </summary>
 		public Uri ActiveUri { get; }
 

TINKLib/Model/Settings/StartupSettings.cs

@@ -0,0 +1,11 @@
+namespace TINK.Model.Settings
+{
+	/// <summary> Settings determining the startup behavior of the app. </summary>
+	public class StartupSettings : IStartupSettings
+	{
+		public static ViewTypes DefaultStartupPage => ViewTypes.MapPage;
+
+		/// <summary> Holds the page to show when apps starts. </summary>
+		public ViewTypes StartupPage { get; set; } = DefaultStartupPage;
+	}
+}

TINKLib/Model/TinkApp.cs

@@ -52,6 +52,9 @@ namespace TINK.Model
 		/// <summary> Holds the filters loaded from settings. </summary>
 		public IGroupFilterSettings FilterGroupSetting { get; set; }
 
+		/// <summary> Settings determining the startup behavior of the app.</summary>
+		public IStartupSettings StartupSettings { get; private set; }
+
 		/// <summary> Holds the filter which is applied on the map view. Either TINK or Konrad stations are displayed. </summary>
 		private IGroupFilterMapPage m_oFilterDictionaryMapPage;
 
@@ -73,9 +76,17 @@ namespace TINK.Model
 
 		/// <summary> Holds the map span to display either default span or span centered to current position depending on option <see cref="CenterMapToCurrentLocation"/>.</summary>
 		public Xamarin.Forms.GoogleMaps.MapSpan ActiveMapSpan
-			=> CenterMapToCurrentLocation
-				? UserMapSpan ?? HomeMapSpan
-				: HomeMapSpan;
+		{
+			get
+			{
+				if (CenterMapToCurrentLocation == false)
+				{
+					return HomeMapSpan;
+				}
+
+				return UserMapSpan ?? HomeMapSpan;
+			}
+		}
 
 		/// <summary> Gets the minimum logging level. </summary>
 		public LogEventLevel MinimumLogEventLevel { get; set; }
@@ -95,6 +106,7 @@ namespace TINK.Model
 							.SetCopriHostUri(NextActiveUri.AbsoluteUri)
 							.SetPollingParameters(Polling)
 							.SetGroupFilterSettings(FilterGroupSetting)
+							.SetStartupSettings(StartupSettings)
 							.SetAppVersion(AppVersion)
 							.SetMinimumLoggingLevel(MinimumLogEventLevel)
 							.SetIsReportLevelVerbose(IsReportLevelVerbose)
@@ -238,6 +250,8 @@ namespace TINK.Model
 			FilterGroupSetting = settings.GroupFilterSettings;
 			GroupFilterMapPage = settings.GroupFilterMapPage;
 
+			StartupSettings = settings.StartupSettings;
+
 			CenterMapToCurrentLocation = settings.CenterMapToCurrentLocation;
 
 			HomeMapSpan = settings.MapSpan;

TINKLib/Model/WhatsNew.cs

@@ -614,7 +614,17 @@ namespace TINK.Model
 					new Version(3, 0, 345),
 					AppResources.ChangeLog_3_0_345_LB,
 					new List<AppFlavor> { AppFlavor.LastenradBayern }
-				}
+				},
+				{
+					new Version(3, 0, 346),
+					AppResources.ChangeLog_3_0_346_LB_MK,
+					new List<AppFlavor> { AppFlavor.LastenradBayern, AppFlavor.MeinKonrad }
+				},
+				{
+					new Version(3, 0, 346),
+					AppResources.ChangeLog_3_0_346_SB,
+					new List<AppFlavor> { AppFlavor.ShareeBike }
+				},
 		};
 
 		/// <summary> Manges the whats new information.</summary>

TINKLib/MultilingualResources/AppResources.Designer.cs

@@ -668,6 +668,30 @@ namespace TINK.MultilingualResources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to &lt;i&gt;Select Bike&lt;/i&gt; page revised..
+        /// </summary>
+        public static string ChangeLog_3_0_346_LB_MK {
+            get {
+                return ResourceManager.GetString("ChangeLog_3_0_346_LB_MK", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to &lt;i&gt;Select Bike&lt;/i&gt;- page revised.&lt;br/&gt;
+        ///Setting added to select whether the app starts up showing either
+        ///&lt;ul&gt;
+        ///&lt;li/&gt;&lt;i&gt;Bike Locations&lt;/i&gt; or
+        ///&lt;li/&gt;&lt;i&gt;Select Bike&lt;/i&gt;
+        ///&lt;/ul&gt;
+        ///page..
+        /// </summary>
+        public static string ChangeLog_3_0_346_SB {
+            get {
+                return ResourceManager.GetString("ChangeLog_3_0_346_SB", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to We have fixed some bugs. Enjoy the ride!.
         /// </summary>
@@ -2113,6 +2137,15 @@ namespace TINK.MultilingualResources {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Startup page.
+        /// </summary>
+        public static string MarkingStartupPage {
+            get {
+                return ResourceManager.GetString("MarkingStartupPage", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to App.
         /// </summary>

TINKLib/MultilingualResources/AppResources.de.resx

@@ -1063,4 +1063,19 @@ Sie können nun auf einen Blick sehen, welche App-Version Sie installiert haben:
 - Einstellungen sind auch ohne Anmeldung verfügbar.
 - Die Reihenfolge der Karteikarten auf der Seite Bedienung wurde getauscht.</value>
   </data>
+  <data name="MarkingStartupPage" xml:space="preserve">
+    <value>Startseite</value>
+  </data>
+  <data name="ChangeLog_3_0_346_LB_MK" xml:space="preserve">
+    <value>&lt;i&gt;Rad auswählen&lt;/i&gt; Seite überarbeitet.</value>
+  </data>
+  <data name="ChangeLog_3_0_346_SB" xml:space="preserve">
+    <value>&lt;i&gt;Rad auswählen&lt;/i&gt;- Seite überarbeitet.&lt;br/&gt;
+Einstellung hinzugefügt mit der festgelegt werden kann, ob die App mit der Seite
+&lt;ul&gt;
+&lt;li/&gt;&lt;i&gt;Radstandorte&lt;/i&gt; oder
+&lt;li/&gt;&lt;i&gt;Rad auswählen&lt;/i&gt;
+&lt;/ul&gt;
+gestartet wird.</value>
+  </data>
 </root>

TINKLib/MultilingualResources/AppResources.resx

@@ -1155,4 +1155,19 @@ You can now see at a glance which app version you have installed: in the menu at
 - Settings are available even if no user is logged in.
 - Order of tabs on instructions page were switched.</value>
   </data>
-</root>
+  <data name="MarkingStartupPage" xml:space="preserve">
+    <value>Startup page</value>
+  </data>
+  <data name="ChangeLog_3_0_346_LB_MK" xml:space="preserve">
+    <value>&lt;i&gt;Select Bike&lt;/i&gt; page revised.</value>
+  </data>
+  <data name="ChangeLog_3_0_346_SB" xml:space="preserve">
+    <value>&lt;i&gt;Select Bike&lt;/i&gt;- page revised.&lt;br/&gt;
+Setting added to select whether the app starts up showing either
+&lt;ul&gt;
+&lt;li/&gt;&lt;i&gt;Bike Locations&lt;/i&gt; or
+&lt;li/&gt;&lt;i&gt;Select Bike&lt;/i&gt;
+&lt;/ul&gt;
+page.</value>
+  </data>
+</root>

TINKLib/MultilingualResources/TINKLib.de.xlf

@@ -1446,6 +1446,30 @@ Sie können nun auf einen Blick sehen, welche App-Version Sie installiert haben:
 - Einstellungen sind auch ohne Anmeldung verfügbar.
 - Die Reihenfolge der Karteikarten auf der Seite Bedienung wurde getauscht.</target>
         </trans-unit>
+        <trans-unit id="MarkingStartupPage" translate="yes" xml:space="preserve">
+          <source>Startup page</source>
+          <target state="translated">Startseite</target>
+        </trans-unit>
+        <trans-unit id="ChangeLog_3_0_346_LB_MK" translate="yes" xml:space="preserve">
+          <source><bpt id="1">&lt;i&gt;</bpt>Select Bike<ept id="1">&lt;/i&gt;</ept> page revised.</source>
+          <target state="translated"><bpt id="1">&lt;i&gt;</bpt>Rad auswählen<ept id="1">&lt;/i&gt;</ept> Seite überarbeitet.</target>
+        </trans-unit>
+        <trans-unit id="ChangeLog_3_0_346_SB" translate="yes" xml:space="preserve">
+          <source><bpt id="1">&lt;i&gt;</bpt>Select Bike<ept id="1">&lt;/i&gt;</ept>- page revised.&lt;br/&gt;
+Setting added to select whether the app starts up showing either
+<bpt id="2">&lt;ul&gt;</bpt>
+&lt;li/&gt;<bpt id="3">&lt;i&gt;</bpt>Bike Locations<ept id="3">&lt;/i&gt;</ept> or
+&lt;li/&gt;<bpt id="4">&lt;i&gt;</bpt>Select Bike<ept id="4">&lt;/i&gt;</ept>
+<ept id="2">&lt;/ul&gt;</ept>
+page.</source>
+          <target state="translated"><bpt id="1">&lt;i&gt;</bpt>Rad auswählen<ept id="1">&lt;/i&gt;</ept>- Seite überarbeitet.&lt;br/&gt;
+Einstellung hinzugefügt mit der festgelegt werden kann, ob die App mit der Seite
+<bpt id="2">&lt;ul&gt;</bpt>
+&lt;li/&gt;<bpt id="3">&lt;i&gt;</bpt>Radstandorte<ept id="3">&lt;/i&gt;</ept> oder
+&lt;li/&gt;<bpt id="4">&lt;i&gt;</bpt>Rad auswählen<ept id="4">&lt;/i&gt;</ept>
+<ept id="2">&lt;/ul&gt;</ept>
+gestartet wird.</target>
+        </trans-unit>
       </group>
     </body>
   </file>

TINKLib/ViewModel/Bikes/BikesViewModel.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Threading;
@@ -218,6 +218,12 @@ namespace TINK.ViewModel.Bikes
 					}
 
 					break;
+
+				case System.Collections.Specialized.NotifyCollectionChangedAction.Reset:
+					// Empty collection.
+					// Occurs in context of find bike page when searching for second, third, ... bike (reopen of page via flyout).
+					ClearItems();
+					break;
 			}
 		}
 
@@ -442,11 +448,17 @@ namespace TINK.ViewModel.Bikes
 		}
 
 		/// <summary>
-		/// Invoked when page is shown. 
-		/// Starts update process.
+		/// Invoked when page is shown and starts update process.
 		/// </summary>
 		/// <param name="updateAction"> Update fuction passed as argument by child class.</param>
 		protected async Task OnAppearing(Action updateAction)
+			=> await StartUpdateTask(updateAction);
+
+		/// <summary>
+		/// Starts update process.
+		/// </summary>
+		/// <param name="updateAction"> Update fuction passed as argument by child class.</param>
+		public async Task StartUpdateTask(Action updateAction)
 		{
 			m_oViewUpdateManager = new PollingUpdateTaskManager(updateAction);
 
@@ -465,10 +477,7 @@ namespace TINK.ViewModel.Bikes
 		/// Invoked when page is shutdown. 
 		/// Currently invoked by code behind, would be nice if called by XAML in future versions.
 		/// </summary>
-		public async Task OnDisappearing()
-		{
-
-			await m_oViewUpdateManager.StopUpdatePeridically();
-		}
+		public virtual async Task OnDisappearing()
+			=> await m_oViewUpdateManager.StopUpdatePeridically();
 	}
-}
+}

TINKLib/ViewModel/FindBike/FindBikePageViewModel.cs

@@ -13,9 +13,11 @@ using TINK.Model.Bikes;
 using TINK.Model.Bikes.BikeInfoNS.BluetoothLock;
 using TINK.Model.Connector;
 using TINK.Model.Device;
+using TINK.Model.Services.CopriApi;
 using TINK.Model.Station;
 using TINK.Model.User;
 using TINK.MultilingualResources;
+using TINK.Repository.Exception;
 using TINK.Services.BluetoothLock;
 using TINK.Services.BluetoothLock.Tdo;
 using TINK.Services.Geolocation;
@@ -43,6 +45,7 @@ namespace TINK.ViewModel.FindBike
 				}
 
 				bikeIdUserInput = value;
+				base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(BikeIdUserInput)));
 				base.OnPropertyChanged(new PropertyChangedEventArgs(nameof(IsSelectBikeEnabled)));
 			}
 		}
@@ -123,14 +126,29 @@ namespace TINK.ViewModel.FindBike
 		/// </summary>
 		public async Task OnAppearing()
 		{
+			IsIdle = false;
+
 			Log.ForContext<FindBikePageViewModel>().Information("User request to show page FindBike- page re-appearing");
 
-			ActionText = AppResources.ActivityTextFindBikeLoadingBikes;
+			if (string.IsNullOrEmpty(BikeIdUserInput) /* Find bike page flyout was taped */
+				&& BikeCollection.Count > 0 /* Bike was successfully selected */)
+			{
+				// Find bike page flyout was taped and page was already opened before and bike has been selected.
+				// Clear bike collection to allow user to enter bike id and search for bike.
+				BikeCollection.Clear();
+			}
 
-			var bikes = await ConnectorFactory(IsConnected).Query.GetBikesAsync();
+			if (BikeCollection.Count > 0)
+			{
+				// Page is appearing not because page flyout was taped.
+				// Bike has already been selected.
+				// Restart update.
+				await StartUpdateTask(() => UpdateTask());
 
-			Exception = bikes.Exception; // Update communication error from query for bikes occupied.
-			Bikes = bikes.Response;
+				ActionText = "";
+				IsIdle = true;
+				return;
+			}
 
 			ActionText = "";
 			IsIdle = true;
@@ -142,6 +160,48 @@ namespace TINK.ViewModel.FindBike
 		/// <summary> Select a bike by ID</summary>
 		public async Task SelectBike()
 		{
+			// Get List of bike to be able to connect to.
+			ActionText = AppResources.ActivityTextFindBikeLoadingBikes;
+			IsIdle = false;
+
+			Result<BikeCollection> bikes = null;
+			try
+			{
+				bikes = await ConnectorFactory(IsConnected).Query.GetBikesAsync();
+			}
+			catch (Exception exception)
+			{
+				if (exception is WebConnectFailureException)
+				{
+					// Copri server is not reachable.
+					Log.ForContext<FindBikePageViewModel>().Information("Getting bikes failed failed (Copri server not reachable).");
+
+					await ViewService.DisplayAdvancedAlert(
+						AppResources.ErrorReturnBikeNoWebTitle,
+						string.Format("{0}\r\n{1}", AppResources.ErrorReturnBikeNoWebMessage, WebConnectFailureException.GetHintToPossibleExceptionsReasons),
+						exception.Message,
+						AppResources.MessageAnswerOk);
+				}
+				else
+				{
+					Log.ForContext<FindBikePageViewModel>().Error("Getting bikes failed. {Exception}", exception);
+
+					await ViewService.DisplayAlert(
+						AppResources.MessageTitleHint,
+						exception.Message,
+						AppResources.MessageAnswerOk);
+				}
+
+				ActionText = "";
+				IsIdle = true;
+				return;
+			}
+			finally
+			{
+				Exception = bikes?.Exception ?? null; // Update communication error from query for bikes occupied.
+				Bikes = bikes.Response;
+			}
+
 			try
 			{
 				var selectedBike = Bikes.FirstOrDefault(x => x.Id.Equals(BikeIdUserInput.Trim(), StringComparison.OrdinalIgnoreCase));
@@ -152,6 +212,9 @@ namespace TINK.ViewModel.FindBike
 						AppResources.MessageTitleHint,
 						string.Format(AppResources.MessageErrorSelectBikeNoBikeFound, BikeIdUserInput),
 						AppResources.MessageAnswerOk);
+
+					ActionText = "";
+					IsIdle = true;
 					return;
 				}
 
@@ -193,7 +256,7 @@ namespace TINK.ViewModel.FindBike
 								// User decided not to give access to locations permissions.
 								BikeCollection.Update(bikeCollection, Stations);
 
-								//await OnAppearing(() => UpdateTask());
+								await StartUpdateTask(() => UpdateTask());
 
 								ActionText = "";
 								IsIdle = true;
@@ -215,7 +278,7 @@ namespace TINK.ViewModel.FindBike
 
 						BikeCollection.Update(bikeCollection, Stations);
 
-						await OnAppearing(() => UpdateTask());
+						await StartUpdateTask(() => UpdateTask());
 
 						ActionText = "";
 						IsIdle = true;
@@ -232,7 +295,7 @@ namespace TINK.ViewModel.FindBike
 
 						BikeCollection.Update(bikeCollection, Stations);
 
-						await OnAppearing(() => UpdateTask());
+						await StartUpdateTask(() => UpdateTask());
 
 						ActionText = "";
 						IsIdle = true;
@@ -259,7 +322,7 @@ namespace TINK.ViewModel.FindBike
 
 				BikeCollection.Update(bikeCollection.UpdateLockInfo(locksInfo), Stations);
 
-				await OnAppearing(() => UpdateTask());
+				await StartUpdateTask(() => UpdateTask());
 
 				ActionText = "";
 				IsIdle = true;
@@ -272,6 +335,9 @@ namespace TINK.ViewModel.FindBike
 					AppResources.MessageAnswerOk);
 
 				Log.ForContext<FindBikePageViewModel>().Error("Running command to select bike failed. {Exception}", exception);
+
+				ActionText = "";
+				IsIdle = true;
 				return;
 			}
 		}

TINKLib/ViewModel/Map/MapPageViewModel.cs

@@ -1,4 +1,4 @@
-using Xamarin.Forms;
+using Xamarin.Forms;
 using TINK.View;
 using TINK.Model.Station;
 using System;
@@ -1028,4 +1028,4 @@ namespace TINK.ViewModel.Map
 
 		public bool IsToggleVisible => tinkKonradToggleViewModel.IsToggleVisible;
 	}
-}
+}

TINKLib/ViewModel/Settings/PickerViewModel.cs

@@ -0,0 +1,18 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace TINK.ViewModel.Settings
+{
+	/// <summary> Manages data to be shown by a picker. </summary>
+	public class PickerViewModel : ServicesViewModel
+	{
+		/// <summary>Constructs view model ensuring consistency. </summary>
+		/// <param name="serviceToText"> Dictionary holding values and display text to mange and display by picker.</param>
+		/// <param name="active">Value of entry for which the display text has to be shown.</param>
+		public PickerViewModel(
+			IDictionary<string, string> serviceToText,
+			string active) : base(serviceToText.Select(x => x.Key), serviceToText, active)
+		{
+		}
+	}
+}

TINKLib/ViewModel/Settings/ServicesViewModel.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;

TINKLib/ViewModel/Settings/SettingsPageViewModel.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
@@ -8,6 +8,7 @@ using Serilog.Events;
 using TINK.Model;
 using TINK.Model.Connector;
 using TINK.Model.User.Account;
+using TINK.MultilingualResources;
 using TINK.Repository.Exception;
 using TINK.Services;
 using TINK.Services.BluetoothLock;
@@ -44,6 +45,9 @@ namespace TINK.ViewModel
 		/// <summary> Manages selection of locks services.</summary>
 		public LocksServicesViewModel LocksServices { get; }
 
+		/// <summary>Settings determining the startup behavior of the app.</summary>
+		public ServicesViewModel StartupSettings { get; } 
+
 		/// <summary> Manages selection of geolocation services.</summary>
 		public ServicesViewModel GeolocationServices { get; }
 
@@ -155,6 +159,13 @@ namespace TINK.ViewModel
 					{ typeof(GeolocationAccuracyBestService).FullName, "Best Accuracy" },
 					{ typeof(SimulatedGeolocationService).FullName, "Simulation-AlwaysSamePosition" } },
 				GeoloctionServicesContainer.Active.GetType().FullName);
+
+			StartupSettings = new PickerViewModel(
+				new Dictionary<string, string> {
+					{ ViewTypes.MapPage.ToString(), AppResources.MarkingMapPage },
+					{ ViewTypes.FindBikePage.ToString(), AppResources.MarkingFindBike },
+				},
+				tinkApp.StartupSettings.StartupPage.ToString());
 		}
 
 		/// <summary>
@@ -259,6 +270,8 @@ namespace TINK.ViewModel
 						TinkApp.GroupFilterMapPage,
 						TinkApp.ActiveUser.DoFilter(TinkApp.FilterGroupSetting.DoFilter()));
 
+				TinkApp.StartupSettings.StartupPage = Enum.TryParse(StartupSettings.Active, out ViewTypes startupPage) ? startupPage : Model.Settings.StartupSettings.DefaultStartupPage;
+
 				TinkApp.CenterMapToCurrentLocation = CenterMapToCurrentLocation;
 
 				if (IsLogToExternalFolderVisible)

TINKLib/ViewTypes.cs

@@ -1,4 +1,4 @@
-namespace TINK
+namespace TINK
 {
 	/// <summary> Holds a entry for each page of the TINK app.</summary>
 	public enum ViewTypes
@@ -18,6 +18,7 @@
 		BikesAtStation,
 		ContactPage,
 		SelectStationPage,
-		MiniSurvey
+		MiniSurvey,
+		FindBikePage
 	}
 }