Merge branch 'develop' into develop-connectedDoubleLessons

2024-03-30 22:05:54 +01:00
parent afdc02f2a4 75846750f7
commit 20d7b16ede
130 changed files with 1030 additions and 874 deletions
--- a/.DS_Store
+++ b/.DS_Store
--- a/.gitignore
+++ b/.gitignore
@@ -349,3 +349,4 @@ hs_err_pid*
 # End of https://www.toptal.com/developers/gitignore/api/flutter,intellij,androidstudio,xcode,dart

 *.idea*
+**/.DS_store
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -24,6 +24,10 @@ linter:
  rules:
    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+    file_names: false
+    prefer_relative_imports: true
+    unnecessary_lambdas: true
+    prefer_single_quotes: true

 # Additional information about this file can be found at
 # https://dart.dev/guides/language/analysis-options
--- a/lib/api/apiError.dart
+++ b/lib/api/apiError.dart
@@ -5,6 +5,6 @@ class ApiError {

  @override
  String toString() {
-    return "ApiError: $message";
+    return 'ApiError: $message';
  }
 }
--- a/lib/api/holidays/getHolidays.dart
+++ b/lib/api/holidays/getHolidays.dart
@@ -6,11 +6,11 @@ import 'getHolidaysResponse.dart';

 class GetHolidays {
  Future<GetHolidaysResponse> query() async {
-    String response = (await http.get(Uri.parse("https://ferien-api.de/api/v1/holidays/HE"))).body;
+    String response = (await http.get(Uri.parse('https://ferien-api.de/api/v1/holidays/HE'))).body;
    return GetHolidaysResponse(
        List<GetHolidaysResponseObject>.from(
            jsonDecode(response).map<GetHolidaysResponseObject>(
-                    (dynamic i) => GetHolidaysResponseObject.fromJson(i)
+                    GetHolidaysResponseObject.fromJson
            )
        )
    );
--- a/lib/api/holidays/getHolidaysCache.dart
+++ b/lib/api/holidays/getHolidaysCache.dart
@@ -6,7 +6,7 @@ import 'getHolidaysResponse.dart';

 class GetHolidaysCache extends RequestCache<GetHolidaysResponse> {
  GetHolidaysCache({onUpdate, renew}) : super(RequestCache.cacheDay, onUpdate, renew: renew) {
-    start("MarianumMobile", "state-holidays");
+    start('MarianumMobile', 'state-holidays');
  }

  @override
@@ -15,6 +15,7 @@ class GetHolidaysCache extends RequestCache<GetHolidaysResponse> {
    return GetHolidaysResponse(
        List<GetHolidaysResponseObject>.from(
            parsedListJson.map<GetHolidaysResponseObject>(
+                    // ignore: unnecessary_lambdas
                    (dynamic i) => GetHolidaysResponseObject.fromJson(i)
            )
        )
--- a/lib/api/marianumcloud/autocomplete/autocompleteApi.dart
+++ b/lib/api/marianumcloud/autocomplete/autocompleteApi.dart
@@ -11,21 +11,21 @@ import 'autocompleteResponse.dart';
 class AutocompleteApi {
  Future<AutocompleteResponse> find(String query) async {
    Map<String, dynamic> getParameters = {
-      "search": query,
-      "itemType": " ",
-      "itemId": " ",
-      "shareTypes[]": ["0"],
-      "limit": "10",
+      'search': query,
+      'itemType': ' ',
+      'itemId': ' ',
+      'shareTypes[]': ['0'],
+      'limit': '10',
    };

    Map<String, String> headers = {};
-    headers.putIfAbsent("Accept", () => "application/json");
-    headers.putIfAbsent("OCS-APIRequest", () => "true");
+    headers.putIfAbsent('Accept', () => 'application/json');
+    headers.putIfAbsent('OCS-APIRequest', () => 'true');

-    Uri endpoint = Uri.https("${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().domain}", "${EndpointData().nextcloud().path}/ocs/v2.php/core/autocomplete/get", getParameters);
+    Uri endpoint = Uri.https('${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().domain}', '${EndpointData().nextcloud().path}/ocs/v2.php/core/autocomplete/get', getParameters);

    Response response = await http.get(endpoint, headers: headers);
-    if(response.statusCode != HttpStatus.ok) throw Exception("Api call failed with ${response.statusCode}: ${response.body}");
+    if(response.statusCode != HttpStatus.ok) throw Exception('Api call failed with ${response.statusCode}: ${response.body}');
    String result = response.body;
    return AutocompleteResponse.fromJson(jsonDecode(result)['ocs']);
  }
--- a/lib/api/marianumcloud/files-sharing/fileSharingApi.dart
+++ b/lib/api/marianumcloud/files-sharing/fileSharingApi.dart
@@ -10,14 +10,14 @@ import 'fileSharingApiParams.dart';
 class FileSharingApi {
  Future<void> share(FileSharingApiParams query) async {
    Map<String, String> headers = {};
-    headers.putIfAbsent("Accept", () => "application/json");
-    headers.putIfAbsent("OCS-APIRequest", () => "true");
+    headers.putIfAbsent('Accept', () => 'application/json');
+    headers.putIfAbsent('OCS-APIRequest', () => 'true');

-    Uri endpoint = Uri.https("${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().domain}", "${EndpointData().nextcloud().path}/ocs/v2.php/apps/files_sharing/api/v1/shares", query.toJson().map((key, value) => MapEntry(key, value.toString())));
+    Uri endpoint = Uri.https('${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().domain}', '${EndpointData().nextcloud().path}/ocs/v2.php/apps/files_sharing/api/v1/shares', query.toJson().map((key, value) => MapEntry(key, value.toString())));
    Response response = await http.post(endpoint, headers: headers);

    if(response.statusCode != HttpStatus.ok) {
-      throw Exception("Api call failed with ${response.statusCode}: ${response.body}");
+      throw Exception('Api call failed with ${response.statusCode}: ${response.body}');
    }
  }
 }
--- a/lib/api/marianumcloud/talk/chat/getChat.dart
+++ b/lib/api/marianumcloud/talk/chat/getChat.dart
@@ -11,7 +11,7 @@ class GetChat extends TalkApi<GetChatResponse> {
  String chatToken;

  GetChatParams params;
-  GetChat(this.chatToken, this.params) : super("v1/chat/$chatToken", null, getParameters: params.toJson());
+  GetChat(this.chatToken, this.params) : super('v1/chat/$chatToken', null, getParameters: params.toJson());

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/chat/getChatCache.dart
+++ b/lib/api/marianumcloud/talk/chat/getChatCache.dart
@@ -9,7 +9,7 @@ class GetChatCache extends RequestCache<GetChatResponse> {
  String chatToken;

  GetChatCache({required onUpdate, required this.chatToken}) : super(RequestCache.cacheNothing, onUpdate) {
-    start("MarianumMobile", "nc-chat-$chatToken");
+    start('MarianumMobile', 'nc-chat-$chatToken');
  }

  @override
--- a/lib/api/marianumcloud/talk/chat/getChatResponse.dart
+++ b/lib/api/marianumcloud/talk/chat/getChatResponse.dart
@@ -61,21 +61,21 @@ class GetChatResponseObject {

  static GetChatResponseObject getDateDummy(int timestamp) {
    DateTime elementDate = DateTime.fromMillisecondsSinceEpoch(timestamp * 1000);
-    return getTextDummy(Jiffy.parseFromDateTime(elementDate).format(pattern: "dd.MM.yyyy"));
+    return getTextDummy(Jiffy.parseFromDateTime(elementDate).format(pattern: 'dd.MM.yyyy'));
  }

  static GetChatResponseObject getTextDummy(String text) {
    return GetChatResponseObject(
        0,
-        "",
+        '',
        GetRoomResponseObjectMessageActorType.user,
-        "",
-        "",
+        '',
+        '',
        0,
-        "",
+        '',
        GetRoomResponseObjectMessageType.system,
        false,
-        "",
+        '',
        text,
        null,
        null,
@@ -113,10 +113,10 @@ class RichObjectString {
 }

 enum RichObjectStringObjectType {
-  @JsonValue("user") user,
-  @JsonValue("group") group,
-  @JsonValue("file") file,
-  @JsonValue("guest") guest,
-  @JsonValue("highlight") highlight,
-  @JsonValue("talk-poll") talkPoll,
+  @JsonValue('user') user,
+  @JsonValue('group') group,
+  @JsonValue('file') file,
+  @JsonValue('guest') guest,
+  @JsonValue('highlight') highlight,
+  @JsonValue('talk-poll') talkPoll,
 }
--- a/lib/api/marianumcloud/talk/chat/richObjectStringProcessor.dart
+++ b/lib/api/marianumcloud/talk/chat/richObjectStringProcessor.dart
@@ -6,7 +6,7 @@ class RichObjectStringProcessor {
    if(data == null) return message;

    data.forEach((key, value) {
-      message = message.replaceAll(RegExp("{$key}"), value.name);
+      message = message.replaceAll(RegExp('{$key}'), value.name);
    });

    return message;
--- a/lib/api/marianumcloud/talk/createRoom/createRoom.dart
+++ b/lib/api/marianumcloud/talk/createRoom/createRoom.dart
@@ -7,7 +7,7 @@ import 'createRoomParams.dart';
 class CreateRoom extends TalkApi {
  CreateRoomParams params;

-  CreateRoom(this.params) : super("v4/room", params);
+  CreateRoom(this.params) : super('v4/room', params);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/deleteMessage/deleteMessage.dart
+++ b/lib/api/marianumcloud/talk/deleteMessage/deleteMessage.dart
@@ -7,7 +7,7 @@ import '../talkApi.dart';
 class DeleteMessage extends TalkApi {
  String chatToken;
  int messageId;
-  DeleteMessage(this.chatToken, this.messageId) : super("v1/chat/$chatToken/$messageId", null);
+  DeleteMessage(this.chatToken, this.messageId) : super('v1/chat/$chatToken/$messageId', null);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/deleteReactMessage/deleteReactMessage.dart
+++ b/lib/api/marianumcloud/talk/deleteReactMessage/deleteReactMessage.dart
@@ -8,7 +8,7 @@ import 'deleteReactMessageParams.dart';
 class DeleteReactMessage extends TalkApi {
  String chatToken;
  int messageId;
-  DeleteReactMessage({required this.chatToken, required this.messageId, required DeleteReactMessageParams params}) : super("v1/reaction/$chatToken/$messageId", params);
+  DeleteReactMessage({required this.chatToken, required this.messageId, required DeleteReactMessageParams params}) : super('v1/reaction/$chatToken/$messageId', params);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/getParticipants/getParticipants.dart
+++ b/lib/api/marianumcloud/talk/getParticipants/getParticipants.dart
@@ -7,7 +7,7 @@ import 'getParticipantsResponse.dart';

 class GetParticipants extends TalkApi<GetParticipantsResponse> {
  String token;
-  GetParticipants(this.token) : super("v4/room/$token/participants", null);
+  GetParticipants(this.token) : super('v4/room/$token/participants', null);

  @override
  GetParticipantsResponse assemble(String raw) {
--- a/lib/api/marianumcloud/talk/getParticipants/getParticipantsCache.dart
+++ b/lib/api/marianumcloud/talk/getParticipants/getParticipantsCache.dart
@@ -8,7 +8,7 @@ class GetParticipantsCache extends RequestCache<GetParticipantsResponse> {
  String chatToken;

  GetParticipantsCache({required onUpdate, required this.chatToken}) : super(RequestCache.cacheNothing, onUpdate) {
-    start("MarianumMobile", "nc-chat-participants-$chatToken");
+    start('MarianumMobile', 'nc-chat-participants-$chatToken');
  }

  @override
--- a/lib/api/marianumcloud/talk/getReactions/getReactions.dart
+++ b/lib/api/marianumcloud/talk/getReactions/getReactions.dart
@@ -10,7 +10,7 @@ import 'getReactionsResponse.dart';
 class GetReactions extends TalkApi<GetReactionsResponse> {
  String chatToken;
  int messageId;
-  GetReactions({required this.chatToken, required this.messageId}) : super("v1/reaction/$chatToken/$messageId", null);
+  GetReactions({required this.chatToken, required this.messageId}) : super('v1/reaction/$chatToken/$messageId', null);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/getReactions/getReactionsResponse.dart
+++ b/lib/api/marianumcloud/talk/getReactions/getReactionsResponse.dart
@@ -28,6 +28,6 @@ class GetReactionsResponseObject {
 }

 enum GetReactionsResponseObjectActorType {
-  @JsonValue("guests") guests,
-  @JsonValue("users") users,
+  @JsonValue('guests') guests,
+  @JsonValue('users') users,
 }
--- a/lib/api/marianumcloud/talk/leaveRoom/leaveRoom.dart
+++ b/lib/api/marianumcloud/talk/leaveRoom/leaveRoom.dart
@@ -6,7 +6,7 @@ import '../talkApi.dart';
 class LeaveRoom extends TalkApi {
  String chatToken;

-  LeaveRoom(this.chatToken) : super("v4/room/$chatToken/participants/self", null);
+  LeaveRoom(this.chatToken) : super('v4/room/$chatToken/participants/self', null);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/reactMessage/reactMessage.dart
+++ b/lib/api/marianumcloud/talk/reactMessage/reactMessage.dart
@@ -8,7 +8,7 @@ import 'reactMessageParams.dart';
 class ReactMessage extends TalkApi {
  String chatToken;
  int messageId;
-  ReactMessage({required this.chatToken, required this.messageId, required ReactMessageParams params}) : super("v1/reaction/$chatToken/$messageId", params);
+  ReactMessage({required this.chatToken, required this.messageId, required ReactMessageParams params}) : super('v1/reaction/$chatToken/$messageId', params);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/room/getRoom.dart
+++ b/lib/api/marianumcloud/talk/room/getRoom.dart
@@ -9,7 +9,7 @@ import 'getRoomResponse.dart';

 class GetRoom extends TalkApi<GetRoomResponse> {
  GetRoomParams params;
-  GetRoom(this.params) : super("v4/room", null, getParameters: params.toJson());
+  GetRoom(this.params) : super('v4/room', null, getParameters: params.toJson());



--- a/lib/api/marianumcloud/talk/room/getRoomCache.dart
+++ b/lib/api/marianumcloud/talk/room/getRoomCache.dart
@@ -8,7 +8,7 @@ import 'getRoomResponse.dart';

 class GetRoomCache extends RequestCache<GetRoomResponse> {
  GetRoomCache({onUpdate, renew}) : super(RequestCache.cacheMinute, onUpdate, renew: renew) {
-    start("MarianumMobile", "nc-rooms");
+    start('MarianumMobile', 'nc-rooms');
  }

  @override
--- a/lib/api/marianumcloud/talk/room/getRoomResponse.dart
+++ b/lib/api/marianumcloud/talk/room/getRoomResponse.dart
@@ -19,10 +19,10 @@ class GetRoomResponse extends ApiResponse {
      final buffer = StringBuffer();

      if(favoritesToTop) {
-        buffer.write(chat.isFavorite ? "b" : "a");
+        buffer.write(chat.isFavorite ? 'b' : 'a');
      }
      if(unreadToTop) {
-        buffer.write(chat.unreadMessages > 0 ? "b" : "a");
+        buffer.write(chat.unreadMessages > 0 ? 'b' : 'a');
      }

      buffer.write(chat.lastActivity);
@@ -152,16 +152,16 @@ enum GetRoomResponseObjectParticipantNotificationLevel {
 // }

 enum GetRoomResponseObjectMessageActorType {
-  @JsonValue("deleted_users") deletedUsers,
-  @JsonValue("users") user,
-  @JsonValue("guests") guest,
-  @JsonValue("bots") bot,
-  @JsonValue("bridged") bridge,
+  @JsonValue('deleted_users') deletedUsers,
+  @JsonValue('users') user,
+  @JsonValue('guests') guest,
+  @JsonValue('bots') bot,
+  @JsonValue('bridged') bridge,
 }

 enum GetRoomResponseObjectMessageType {
-  @JsonValue("comment") comment,
-  @JsonValue("comment_deleted") deletedComment,
-  @JsonValue("system") system,
-  @JsonValue("command") command,
+  @JsonValue('comment') comment,
+  @JsonValue('comment_deleted') deletedComment,
+  @JsonValue('system') system,
+  @JsonValue('command') command,
 }
--- a/lib/api/marianumcloud/talk/sendMessage/sendMessage.dart
+++ b/lib/api/marianumcloud/talk/sendMessage/sendMessage.dart
@@ -7,7 +7,7 @@ import 'sendMessageParams.dart';

 class SendMessage extends TalkApi {
  String chatToken;
-  SendMessage(this.chatToken, SendMessageParams params) : super("v1/chat/$chatToken", params);
+  SendMessage(this.chatToken, SendMessageParams params) : super('v1/chat/$chatToken', params);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/setFavorite/setFavorite.dart
+++ b/lib/api/marianumcloud/talk/setFavorite/setFavorite.dart
@@ -8,7 +8,7 @@ class SetFavorite extends TalkApi {
  String chatToken;
  bool favoriteState;

-  SetFavorite(this.chatToken, this.favoriteState) : super("v4/room/$chatToken/favorite", null);
+  SetFavorite(this.chatToken, this.favoriteState) : super('v4/room/$chatToken/favorite', null);

  @override
  assemble(String raw) {
--- a/lib/api/marianumcloud/talk/setReadMarker/setReadMarker.dart
+++ b/lib/api/marianumcloud/talk/setReadMarker/setReadMarker.dart
@@ -10,7 +10,7 @@ class SetReadMarker extends TalkApi {
  bool readState;
  SetReadMarkerParams? setReadMarkerParams;

-  SetReadMarker(this.chatToken, this.readState, {this.setReadMarkerParams}) : super("v1/chat/$chatToken/read", null, getParameters: setReadMarkerParams?.toJson()) {
+  SetReadMarker(this.chatToken, this.readState, {this.setReadMarkerParams}) : super('v1/chat/$chatToken/read', null, getParameters: setReadMarkerParams?.toJson()) {
    if(readState) assert(setReadMarkerParams?.lastReadMessage != null);
  }

--- a/lib/api/marianumcloud/talk/talkApi.dart
+++ b/lib/api/marianumcloud/talk/talkApi.dart
@@ -34,21 +34,21 @@ abstract class TalkApi<T extends ApiResponse?> extends ApiRequest {
      getParameters?.update(key, (value) => value.toString());
    });

-    Uri endpoint = Uri.https("${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().domain}", "${EndpointData().nextcloud().path}/ocs/v2.php/apps/spreed/api/$path", getParameters);
+    Uri endpoint = Uri.https('${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().domain}', '${EndpointData().nextcloud().path}/ocs/v2.php/apps/spreed/api/$path', getParameters);

    headers ??= {};
-    headers?.putIfAbsent("Accept", () => "application/json");
-    headers?.putIfAbsent("OCS-APIRequest", () => "true");
+    headers?.putIfAbsent('Accept', () => 'application/json');
+    headers?.putIfAbsent('OCS-APIRequest', () => 'true');

    http.Response? data;

    try {
      data = await request(endpoint, body, headers);
-      if(data == null) throw Exception("No response Data");
+      if(data == null) throw Exception('No response Data');
      if(data.statusCode >= 400 || data.statusCode < 200) throw Exception("Response status code '${data.statusCode}' might indicate an error");
    } catch(e) {
      log(e.toString());
-      throw ApiError("Request $endpoint could not be dispatched: ${e.toString()}");
+      throw ApiError('Request $endpoint could not be dispatched: ${e.toString()}');
    }
    //dynamic jsonData = jsonDecode(data.body);

@@ -59,10 +59,10 @@ abstract class TalkApi<T extends ApiResponse?> extends ApiRequest {
      return assembled;
    } catch (e) {
      // TODO report error
-      log("Error assembling Talk API ${T.toString()} message: ${e.toString()} response on ${endpoint.path} with request body: $body and request headers: ${headers.toString()}");
+      log('Error assembling Talk API ${T.toString()} message: ${e.toString()} response on ${endpoint.path} with request body: $body and request headers: ${headers.toString()}');
    }

-    throw Exception("Error assembling Talk API response");
+    throw Exception('Error assembling Talk API response');
  }

 }
--- a/lib/api/marianumcloud/talk/talkError.dart
+++ b/lib/api/marianumcloud/talk/talkError.dart
@@ -7,6 +7,6 @@ class TalkError {

  @override
  String toString() {
-    return "Talk - $status - ($code): $message";
+    return 'Talk - $status - ($code): $message';
  }
 }
--- a/lib/api/marianumcloud/webdav/queries/listFiles/cacheableFile.dart
+++ b/lib/api/marianumcloud/webdav/queries/listFiles/cacheableFile.dart
@@ -24,7 +24,7 @@ class CacheableFile {
  CacheableFile.fromDavFile(WebDavFile file) {
    path = file.path.path;
    isDirectory = file.isDirectory;
-    name = file.isDirectory ? file.name : file.path.path.split("/").last;
+    name = file.isDirectory ? file.name : file.path.path.split('/').last;
    mimeType = file.mimeType;
    size = file.size;
    eTag = file.etag;
--- a/lib/api/marianumcloud/webdav/queries/listFiles/listFiles.dart
+++ b/lib/api/marianumcloud/webdav/queries/listFiles/listFiles.dart
@@ -1,7 +1,6 @@

 import 'package:nextcloud/nextcloud.dart';

-import '../../../../../model/endpointData.dart';
 import '../../webdavApi.dart';
 import 'cacheableFile.dart';
 import 'listFilesParams.dart';
@@ -15,18 +14,19 @@ class ListFiles extends WebdavApi<ListFilesParams> {
  @override
  Future<ListFilesResponse> run() async {
    List<WebDavFile> davFiles = (await (await WebdavApi.webdav).propfind(PathUri.parse(params.path))).toWebDavFiles();
-    Set<CacheableFile> files = davFiles.map((e) => CacheableFile.fromDavFile(e)).toSet();
+    Set<CacheableFile> files = davFiles.map(CacheableFile.fromDavFile).toSet();

    // webdav handles subdirectories wrong, this is a fix
-    if(EndpointData().getEndpointMode() == EndpointMode.stage) {
-      files = files.map((e) { // somehow
-        e.path = e.path.split("mobile/cloud/remote.php/webdav")[1];
-        return e;
-      }).toSet();
-    }
+    // currently this fix is not needed anymore
+    // if(EndpointData().getEndpointMode() == EndpointMode.stage) {
+    //   files = files.map((e) { // somehow
+    //     e.path = e.path.split("mobile/cloud/remote.php/webdav")[1];
+    //     return e;
+    //   }).toSet();
+    // }

    // somehow the current working folder is also listed, it is filtered here.
-    files.removeWhere((element) => element.path == "/${params.path}/" || element.path == "/");
+    files.removeWhere((element) => element.path == '/${params.path}/' || element.path == '/');

    return ListFilesResponse(files);
  }
--- a/lib/api/marianumcloud/webdav/queries/listFiles/listFilesCache.dart
+++ b/lib/api/marianumcloud/webdav/queries/listFiles/listFilesCache.dart
@@ -10,9 +10,9 @@ class ListFilesCache extends RequestCache<ListFilesResponse> {
  String path;

  ListFilesCache({required onUpdate, required this.path}) : super(RequestCache.cacheNothing, onUpdate) {
-    var bytes = utf8.encode("MarianumMobile-$path");
+    var bytes = utf8.encode('MarianumMobile-$path');
    String cacheName = md5.convert(bytes).toString();
-    start("MarianumMobile", "wd-folder-$cacheName");
+    start('MarianumMobile', 'wd-folder-$cacheName');
  }

  @override
--- a/lib/api/marianumcloud/webdav/queries/listFiles/listFilesResponse.dart
+++ b/lib/api/marianumcloud/webdav/queries/listFiles/listFilesResponse.dart
@@ -35,7 +35,7 @@ class ListFilesResponse extends ApiResponse {

            switch(sortOption) {
                case SortOption.date:
-                    buffer.write(Jiffy.parseFromMillisecondsSinceEpoch(file.modifiedAt?.millisecondsSinceEpoch ?? 0).format(pattern: "yyyyMMddhhmmss"));
+                    buffer.write(Jiffy.parseFromMillisecondsSinceEpoch(file.modifiedAt?.millisecondsSinceEpoch ?? 0).format(pattern: 'yyyyMMddhhmmss'));
                    break;

                case SortOption.name:
--- a/lib/api/marianumcloud/webdav/webdavApi.dart
+++ b/lib/api/marianumcloud/webdav/webdavApi.dart
@@ -18,10 +18,10 @@ abstract class WebdavApi<T> extends ApiRequest {
  static Future<String> webdavConnectString = buildWebdavConnectString();

  static Future<WebDavClient> establishWebdavConnection() async {
-    return NextcloudClient(Uri.parse("https://${EndpointData().nextcloud().full()}"), password: AccountData().getPassword(), loginName: AccountData().getUsername()).webdav;
+    return NextcloudClient(Uri.parse('https://${EndpointData().nextcloud().full()}'), password: AccountData().getPassword(), loginName: AccountData().getUsername()).webdav;
  }

  static Future<String> buildWebdavConnectString() async {
-    return "https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/remote.php/dav/files/${AccountData().getUsername()}/";
+    return 'https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/remote.php/dav/files/${AccountData().getUsername()}/';
  }
 }
--- a/lib/api/mhsl/breaker/getBreakers/getBreakers.dart
+++ b/lib/api/mhsl/breaker/getBreakers/getBreakers.dart
@@ -6,7 +6,7 @@ import '../../mhslApi.dart';
 import 'getBreakersResponse.dart';

 class GetBreakers extends MhslApi<GetBreakersResponse> {
-  GetBreakers() : super("breaker/");
+  GetBreakers() : super('breaker/');

  @override
  GetBreakersResponse assemble(String raw) {
--- a/lib/api/mhsl/breaker/getBreakers/getBreakersCache.dart
+++ b/lib/api/mhsl/breaker/getBreakers/getBreakersCache.dart
@@ -6,7 +6,7 @@ import 'getBreakersResponse.dart';

 class GetBreakersCache extends RequestCache<GetBreakersResponse> {
  GetBreakersCache({onUpdate, renew}) : super(RequestCache.cacheMinute, onUpdate, renew: renew) {
-    start("MarianumMobile", "breakers");
+    start('MarianumMobile', 'breakers');
  }

  @override
--- a/lib/api/mhsl/breaker/getBreakers/getBreakersResponse.dart
+++ b/lib/api/mhsl/breaker/getBreakers/getBreakersResponse.dart
@@ -28,9 +28,9 @@ class GetBreakersReponseObject {
 }

 enum BreakerArea {
-  @JsonValue("GLOBAL") global,
-  @JsonValue("TIMETABLE") timetable,
-  @JsonValue("TALK") talk,
-  @JsonValue("FILES") files,
-  @JsonValue("MORE") more,
+  @JsonValue('GLOBAL') global,
+  @JsonValue('TIMETABLE') timetable,
+  @JsonValue('TALK') talk,
+  @JsonValue('FILES') files,
+  @JsonValue('MORE') more,
 }
--- a/lib/api/mhsl/customTimetableEvent/customTimetableEvent.dart
+++ b/lib/api/mhsl/customTimetableEvent/customTimetableEvent.dart
@@ -13,6 +13,7 @@ class CustomTimetableEvent {
  DateTime startDate;
  @JsonKey(toJson: MhslApi.dateTimeToJson, fromJson: MhslApi.dateTimeFromJson)
  DateTime endDate;
+  String? color;
  String rrule;
  @JsonKey(toJson: MhslApi.dateTimeToJson, fromJson: MhslApi.dateTimeFromJson)
  DateTime createdAt;
@@ -20,7 +21,7 @@ class CustomTimetableEvent {
  DateTime updatedAt;

  CustomTimetableEvent({required this.id, required this.title, required this.description, required this.startDate,
-    required this.endDate, required this.rrule, required this.createdAt, required this.updatedAt});
+    required this.endDate, required this.color, required this.rrule, required this.createdAt, required this.updatedAt});

  factory CustomTimetableEvent.fromJson(Map<String, dynamic> json) => _$CustomTimetableEventFromJson(json);
  Map<String, dynamic> toJson() => _$CustomTimetableEventToJson(this);
--- a/lib/api/mhsl/customTimetableEvent/customTimetableEvent.g.dart
+++ b/lib/api/mhsl/customTimetableEvent/customTimetableEvent.g.dart
@@ -14,6 +14,7 @@ CustomTimetableEvent _$CustomTimetableEventFromJson(
      description: json['description'] as String,
      startDate: MhslApi.dateTimeFromJson(json['startDate'] as String),
      endDate: MhslApi.dateTimeFromJson(json['endDate'] as String),
+      color: json['color'] as String?,
      rrule: json['rrule'] as String,
      createdAt: MhslApi.dateTimeFromJson(json['createdAt'] as String),
      updatedAt: MhslApi.dateTimeFromJson(json['updatedAt'] as String),
@@ -27,6 +28,7 @@ Map<String, dynamic> _$CustomTimetableEventToJson(
      'description': instance.description,
      'startDate': MhslApi.dateTimeToJson(instance.startDate),
      'endDate': MhslApi.dateTimeToJson(instance.endDate),
+      'color': instance.color,
      'rrule': instance.rrule,
      'createdAt': MhslApi.dateTimeToJson(instance.createdAt),
      'updatedAt': MhslApi.dateTimeToJson(instance.updatedAt),
--- a/lib/api/mhsl/customTimetableEvent/get/getCustomTimetableEvent.dart
+++ b/lib/api/mhsl/customTimetableEvent/get/getCustomTimetableEvent.dart
@@ -9,11 +9,11 @@ import 'getCustomTimetableEventResponse.dart';

 class GetCustomTimetableEvent extends MhslApi<GetCustomTimetableEventResponse> {
  GetCustomTimetableEventParams params;
-  GetCustomTimetableEvent(this.params) : super("server/timetable/customEvents?user=${params.user}");
+  GetCustomTimetableEvent(this.params) : super('server/timetable/customEvents?user=${params.user}');

  @override
  GetCustomTimetableEventResponse assemble(String raw) {
-    return GetCustomTimetableEventResponse.fromJson({"events": jsonDecode(raw)});
+    return GetCustomTimetableEventResponse.fromJson({'events': jsonDecode(raw)});
  }

  @override
--- a/lib/api/mhsl/customTimetableEvent/get/getCustomTimetableEventCache.dart
+++ b/lib/api/mhsl/customTimetableEvent/get/getCustomTimetableEventCache.dart
@@ -9,7 +9,7 @@ class GetCustomTimetableEventCache extends RequestCache<GetCustomTimetableEventR
  GetCustomTimetableEventParams params;

  GetCustomTimetableEventCache(this.params, {onUpdate, renew}) : super(RequestCache.cacheMinute, onUpdate, renew: renew) {
-    start("MarianumMobile", "customTimetableEvents");
+    start('MarianumMobile', 'customTimetableEvents');
  }

  @override
--- a/lib/api/mhsl/message/getMessages/getMessages.dart
+++ b/lib/api/mhsl/message/getMessages/getMessages.dart
@@ -6,7 +6,7 @@ import '../../mhslApi.dart';
 import 'getMessagesResponse.dart';

 class GetMessages extends MhslApi<GetMessagesResponse> {
-  GetMessages() : super("message/messages.json");
+  GetMessages() : super('message/messages.json');


  @override
--- a/lib/api/mhsl/message/getMessages/getMessagesCache.dart
+++ b/lib/api/mhsl/message/getMessages/getMessagesCache.dart
@@ -6,7 +6,7 @@ import 'getMessagesResponse.dart';

 class GetMessagesCache extends RequestCache<GetMessagesResponse> {
  GetMessagesCache({onUpdate, renew}) : super(RequestCache.cacheMinute, onUpdate, renew: renew) {
-    start("MarianumMobile", "message");
+    start('MarianumMobile', 'message');
  }

  @override
--- a/lib/api/mhsl/mhslApi.dart
+++ b/lib/api/mhsl/mhslApi.dart
@@ -15,21 +15,21 @@ abstract class MhslApi<T> extends ApiRequest {
  T assemble(String raw);

  Future<T> run() async {
-    Uri endpoint = Uri.parse("https://mhsl.eu/marianum/marianummobile/$subpath");
+    Uri endpoint = Uri.parse('https://mhsl.eu/marianum/marianummobile/$subpath');

    http.Response? data = await request(endpoint);
    if(data == null) {
-      throw ApiError("Request could not be dispatched!");
+      throw ApiError('Request could not be dispatched!');
    }

    if(data.statusCode > 299) {
-      throw ApiError("Non 200 Status code from mhsl services: $subpath: ${data.statusCode}");
+      throw ApiError('Non 200 Status code from mhsl services: $subpath: ${data.statusCode}');
    }

    return assemble(utf8.decode(data.bodyBytes));
  }

-  static String dateTimeToJson(DateTime time) => Jiffy.parseFromDateTime(time).format(pattern: "yyyy-MM-dd HH:mm:ss");
+  static String dateTimeToJson(DateTime time) => Jiffy.parseFromDateTime(time).format(pattern: 'yyyy-MM-dd HH:mm:ss');
  static DateTime dateTimeFromJson(String time) => DateTime.parse(time);

 }
--- a/lib/api/mhsl/notify/register/notifyRegister.dart
+++ b/lib/api/mhsl/notify/register/notifyRegister.dart
@@ -9,7 +9,7 @@ import 'notifyRegisterParams.dart';

 class NotifyRegister extends MhslApi<void> {
  NotifyRegisterParams params;
-  NotifyRegister(this.params) : super("notify/register/");
+  NotifyRegister(this.params) : super('notify/register/');


  @override
--- a/lib/api/mhsl/server/feedback/addFeedbackParams.dart
+++ b/lib/api/mhsl/server/feedback/addFeedbackParams.dart
@@ -6,14 +6,12 @@ part 'addFeedbackParams.g.dart';
 class AddFeedbackParams {
  String user;
  String feedback;
-  String? screenshot;
  int appVersion;


  AddFeedbackParams({
    required this.user,
    required this.feedback,
-    this.screenshot,
    required this.appVersion,
  });

--- a/lib/api/mhsl/server/feedback/addFeedbackParams.g.dart
+++ b/lib/api/mhsl/server/feedback/addFeedbackParams.g.dart
@@ -10,7 +10,6 @@ AddFeedbackParams _$AddFeedbackParamsFromJson(Map<String, dynamic> json) =>
    AddFeedbackParams(
      user: json['user'] as String,
      feedback: json['feedback'] as String,
-      screenshot: json['screenshot'] as String?,
      appVersion: json['appVersion'] as int,
    );

@@ -18,6 +17,5 @@ Map<String, dynamic> _$AddFeedbackParamsToJson(AddFeedbackParams instance) =>
    <String, dynamic>{
      'user': instance.user,
      'feedback': instance.feedback,
-      'screenshot': instance.screenshot,
      'appVersion': instance.appVersion,
    };
--- a/lib/api/mhsl/server/userIndex/update/updateUserindex.dart
+++ b/lib/api/mhsl/server/userIndex/update/updateUserindex.dart
@@ -12,7 +12,7 @@ import 'updateUserIndexParams.dart';

 class UpdateUserIndex extends MhslApi<void> {
  UpdateUserIndexParams params;
-  UpdateUserIndex(this.params) : super("server/userIndex/update");
+  UpdateUserIndex(this.params) : super('server/userIndex/update');

  @override
  void assemble(String raw) {}
@@ -20,7 +20,7 @@ class UpdateUserIndex extends MhslApi<void> {
  @override
  Future<http.Response> request(Uri uri) {
    String data = jsonEncode(params.toJson());
-    log("Updating userindex:\n $data");
+    log('Updating userindex:\n $data');
    return http.post(uri, body: data);
  }

--- a/lib/api/requestCache.dart
+++ b/lib/api/requestCache.dart
@@ -35,8 +35,8 @@ abstract class RequestCache<T extends ApiResponse?> {
      onUpdate(newValue);

      Localstore.instance.collection(file).doc(document).set({
-        "json": jsonEncode(newValue),
-        "lastupdate": DateTime.now().millisecondsSinceEpoch
+        'json': jsonEncode(newValue),
+        'lastupdate': DateTime.now().millisecondsSinceEpoch
      });
    } on WebuntisError catch(e) {
      onError(e);
--- a/lib/api/webuntis/queries/authenticate/authenticate.dart
+++ b/lib/api/webuntis/queries/authenticate/authenticate.dart
@@ -9,7 +9,7 @@ import 'authenticateResponse.dart';
 class Authenticate extends WebuntisApi {
  AuthenticateParams param;

-  Authenticate(this.param) : super("authenticate", param, authenticatedResponse: false);
+  Authenticate(this.param) : super('authenticate', param, authenticatedResponse: false);

  @override
  Future<AuthenticateResponse> run() async {
--- a/lib/api/webuntis/queries/getHolidays/getHolidays.dart
+++ b/lib/api/webuntis/queries/getHolidays/getHolidays.dart
@@ -4,7 +4,7 @@ import '../../webuntisApi.dart';
 import 'getHolidaysResponse.dart';

 class GetHolidays extends WebuntisApi {
-  GetHolidays() : super("getHolidays", null);
+  GetHolidays() : super('getHolidays', null);

  @override
  Future<GetHolidaysResponse> run() async {
--- a/lib/api/webuntis/queries/getHolidays/getHolidaysCache.dart
+++ b/lib/api/webuntis/queries/getHolidays/getHolidaysCache.dart
@@ -6,7 +6,7 @@ import 'getHolidaysResponse.dart';

 class GetHolidaysCache extends RequestCache<GetHolidaysResponse> {
  GetHolidaysCache({onUpdate}) : super(RequestCache.cacheDay, onUpdate) {
-    start("MarianumMobile", "wu-holidays");
+    start('MarianumMobile', 'wu-holidays');
  }

  @override
--- a/lib/api/webuntis/queries/getRooms/getRooms.dart
+++ b/lib/api/webuntis/queries/getRooms/getRooms.dart
@@ -5,7 +5,7 @@ import '../../webuntisApi.dart';
 import 'getRoomsResponse.dart';

 class GetRooms extends WebuntisApi {
-  GetRooms() : super("getRooms", null);
+  GetRooms() : super('getRooms', null);

  @override
  Future<GetRoomsResponse> run() async {
@@ -14,10 +14,10 @@ class GetRooms extends WebuntisApi {
      return finalize(GetRoomsResponse.fromJson(jsonDecode(rawAnswer)));
    } catch(e, trace) {
      log(trace.toString());
-      log("Failed to parse getRoom data with server response: $rawAnswer");
+      log('Failed to parse getRoom data with server response: $rawAnswer');
    }

-    throw Exception("Failed to parse getRoom server response: $rawAnswer");
+    throw Exception('Failed to parse getRoom server response: $rawAnswer');
  }

 }
--- a/lib/api/webuntis/queries/getRooms/getRoomsCache.dart
+++ b/lib/api/webuntis/queries/getRooms/getRoomsCache.dart
@@ -6,7 +6,7 @@ import 'getRoomsResponse.dart';

 class GetRoomsCache extends RequestCache<GetRoomsResponse> {
  GetRoomsCache({onUpdate}) : super(RequestCache.cacheHour, onUpdate) {
-    start("MarianumMobile", "wu-rooms");
+    start('MarianumMobile', 'wu-rooms');
  }

  @override
--- a/lib/api/webuntis/queries/getSubjects/getSubjects.dart
+++ b/lib/api/webuntis/queries/getSubjects/getSubjects.dart
@@ -4,7 +4,7 @@ import '../../webuntisApi.dart';
 import 'getSubjectsResponse.dart';

 class GetSubjects extends WebuntisApi {
-  GetSubjects() : super("getSubjects", null);
+  GetSubjects() : super('getSubjects', null);

  @override
  Future<GetSubjectsResponse> run() async {
--- a/lib/api/webuntis/queries/getSubjects/getSubjectsCache.dart
+++ b/lib/api/webuntis/queries/getSubjects/getSubjectsCache.dart
@@ -6,7 +6,7 @@ import 'getSubjectsResponse.dart';

 class GetSubjectsCache extends RequestCache<GetSubjectsResponse> {
  GetSubjectsCache({onUpdate}) : super(RequestCache.cacheHour, onUpdate) {
-    start("MarianumMobile", "wu-subjects");
+    start('MarianumMobile', 'wu-subjects');
  }

  @override
--- a/lib/api/webuntis/queries/getTimetable/getTimetable.dart
+++ b/lib/api/webuntis/queries/getTimetable/getTimetable.dart
@@ -7,7 +7,7 @@ import 'getTimetableResponse.dart';
 class GetTimetable extends WebuntisApi {
  GetTimetableParams params;

-  GetTimetable(this.params) : super("getTimetable", params);
+  GetTimetable(this.params) : super('getTimetable', params);

  @override
  Future<GetTimetableResponse> run() async {
--- a/lib/api/webuntis/queries/getTimetable/getTimetableCache.dart
+++ b/lib/api/webuntis/queries/getTimetable/getTimetableCache.dart
@@ -11,7 +11,7 @@ class GetTimetableCache extends RequestCache<GetTimetableResponse> {
  int enddate;

  GetTimetableCache({required onUpdate, onError, required this.startdate, required this.enddate}) : super(RequestCache.cacheMinute, onUpdate, onError: onError) {
-    start("MarianumMobile", "wu-timetable-$startdate-$enddate");
+    start('MarianumMobile', 'wu-timetable-$startdate-$enddate');
  }

  @override
--- a/lib/api/webuntis/queries/getTimetable/getTimetableParams.dart
+++ b/lib/api/webuntis/queries/getTimetable/getTimetableParams.dart
@@ -67,10 +67,10 @@ class GetTimetableParamsOptions {
 }

 enum GetTimetableParamsOptionsFields {
-  @JsonValue("id") id,
-  @JsonValue("name") name,
-  @JsonValue("longname") longname,
-  @JsonValue("externalkey") externalkey;
+  @JsonValue('id') id,
+  @JsonValue('name') name,
+  @JsonValue('longname') longname,
+  @JsonValue('externalkey') externalkey;

  static List<GetTimetableParamsOptionsFields> all = [id, name, longname, externalkey];
 }
@@ -88,7 +88,7 @@ class GetTimetableParamsOptionsElement {
 }

 enum GetTimetableParamsOptionsElementKeyType {
-  @JsonValue("id") id,
-  @JsonValue("name") name,
-  @JsonValue("externalkey") externalkey
+  @JsonValue('id') id,
+  @JsonValue('name') name,
+  @JsonValue('externalkey') externalkey
 }
--- a/lib/api/webuntis/webuntisApi.dart
+++ b/lib/api/webuntis/webuntisApi.dart
@@ -9,7 +9,7 @@ import 'queries/authenticate/authenticate.dart';
 import 'webuntisError.dart';

 abstract class WebuntisApi extends ApiRequest {
-  Uri endpoint = Uri.parse("https://${EndpointData().webuntis().full()}/WebUntis/jsonrpc.do?school=marianum-fulda");
+  Uri endpoint = Uri.parse('https://${EndpointData().webuntis().full()}/WebUntis/jsonrpc.do?school=marianum-fulda');
  String method;
  ApiParams? genericParam;
  http.Response? response;
@@ -22,11 +22,11 @@ abstract class WebuntisApi extends ApiRequest {
  Future<String> query(WebuntisApi untis) async {
    String query = '{"id":"ID","method":"$method","params":${untis._body()},"jsonrpc":"2.0"}';

-    String sessionId = "0";
+    String sessionId = '0';
    if(authenticatedResponse) {
      sessionId = (await Authenticate.getSession()).sessionId;
    }
-    http.Response data = await post(query, {"Cookie": "JSESSIONID=$sessionId"});
+    http.Response data = await post(query, {'Cookie': 'JSESSIONID=$sessionId'});
    response = data;

    dynamic jsonData = jsonDecode(data.body);
@@ -49,7 +49,7 @@ abstract class WebuntisApi extends ApiRequest {
  Future<ApiResponse> run();

  String _body() {
-    return genericParam == null ? "{}" : jsonEncode(genericParam);
+    return genericParam == null ? '{}' : jsonEncode(genericParam);
  }

  Future<http.Response> post(String data, Map<String, String>? headers) async {
@@ -57,7 +57,7 @@ abstract class WebuntisApi extends ApiRequest {
        .post(endpoint, body: data, headers: headers)
        .timeout(
        const Duration(seconds: 10),
-        onTimeout: () => throw WebuntisError("Timeout", 1)
+        onTimeout: () => throw WebuntisError('Timeout', 1)
    );
  }
 }
--- a/lib/api/webuntis/webuntisError.dart
+++ b/lib/api/webuntis/webuntisError.dart
@@ -6,6 +6,6 @@ class WebuntisError implements Exception {

  @override
  String toString() {
-    return "WebUntis ($code): $message";
+    return 'WebUntis ($code): $message';
  }
 }
--- a/lib/app.dart
+++ b/lib/app.dart
@@ -5,7 +5,7 @@ import 'dart:developer';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/material.dart';
-import 'package:persistent_bottom_nav_bar_v2/persistent-tab-view.dart';
+import 'package:persistent_bottom_nav_bar_v2/persistent_bottom_nav_bar_v2.dart';
 import 'package:provider/provider.dart';
 import 'package:badges/badges.dart' as badges;

@@ -39,14 +39,14 @@ class _AppState extends State<App> with WidgetsBindingObserver {

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
-    log("AppLifecycle: ${state.toString()}");
+    log('AppLifecycle: ${state.toString()}');

    if(state == AppLifecycleState.resumed) {
      EasyThrottle.throttle(
-        "appLifecycleState",
+        'appLifecycleState',
        const Duration(seconds: 10),
        () {
-          log("Refreshing due to LifecycleChange");
+          log('Refreshing due to LifecycleChange');
          NotificationTasks.updateProviders(context);
          Provider.of<TimetableProps>(context, listen: false).run();
        }
@@ -93,67 +93,75 @@ class _AppState extends State<App> with WidgetsBindingObserver {
  @override
  Widget build(BuildContext context) {
    return PersistentTabView(
-      context,
      controller: App.bottomNavigator,
-      navBarStyle: NavBarStyle.style6,
-      hideNavigationBarWhenKeyboardShows: true,
-      navBarHeight: MediaQuery.of(context).viewInsets.bottom > 0 ? 0.0 : kBottomNavigationBarHeight,
-      backgroundColor: Theme.of(context).colorScheme.surface,
-      decoration: const NavBarDecoration(
-        border: Border(top: BorderSide(width: 1, color: Colors.grey)),
-      ),
-      screenTransitionAnimation: const ScreenTransitionAnimation(animateTabTransition: true, curve: Curves.ease, duration: Duration(milliseconds: 200)),
-      screens: const [
-        Breaker(breaker: BreakerArea.timetable, child: Timetable()),
-        Breaker(breaker: BreakerArea.talk, child: ChatList()),
-        Breaker(breaker: BreakerArea.files, child: Files([])),
-        Breaker(breaker: BreakerArea.more, child: Overhang()),
-      ],
-      items: [
-        PersistentBottomNavBarItem(
-          activeColorPrimary: Theme.of(context).primaryColor,
-          inactiveColorPrimary: Theme.of(context).colorScheme.secondary,
-          icon: const Icon(Icons.calendar_month),
-          title: "Vertretung"
-        ),
-        PersistentBottomNavBarItem(
-          activeColorPrimary: Theme.of(context).primaryColor,
-          inactiveColorPrimary: Theme.of(context).colorScheme.secondary,
-          icon: Consumer<ChatListProps>(
-            builder: (context, value, child) {
-              if(value.primaryLoading()) return const Icon(Icons.chat);
-              int messages = value.getRoomsResponse.data.map((e) => e.unreadMessages).reduce((a, b) => a+b);
-              return badges.Badge(
-                showBadge: messages > 0,
-                position: badges.BadgePosition.topEnd(top: -3, end: -3),
-                stackFit: StackFit.loose,
-                badgeStyle: badges.BadgeStyle(
-                  padding: const EdgeInsets.all(3),
-                  badgeColor: Theme.of(context).primaryColor,
-                  elevation: 1,
-                ),
-                badgeContent: Text("$messages", style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold)),
-                child: const Icon(Icons.chat),
-              );
-            },
-          ),
-          title: "Talk",
-        ),
-        PersistentBottomNavBarItem(
-          activeColorPrimary: Theme.of(context).primaryColor,
-          inactiveColorPrimary: Theme.of(context).colorScheme.secondary,
-          icon: const Icon(Icons.folder),
-          title: "Dateien"
-        ),
-        PersistentBottomNavBarItem(
-          activeColorPrimary: Theme.of(context).primaryColor,
-          inactiveColorPrimary: Theme.of(context).colorScheme.secondary,
-          icon: const Icon(Icons.apps),
-          title: "Mehr"
-        ),
-      ],
-    );
+      gestureNavigationEnabled: true,
+      navBarOverlap: const NavBarOverlap.none(),
+      backgroundColor: Theme.of(context).colorScheme.primary,

+      screenTransitionAnimation: const ScreenTransitionAnimation(curve: Curves.easeOutQuad, duration: Duration(milliseconds: 200)),
+      tabs: [
+        PersistentTabConfig(
+          screen: const Breaker(breaker: BreakerArea.timetable, child: Timetable()),
+          item: ItemConfig(
+            activeForegroundColor: Theme.of(context).primaryColor,
+            inactiveForegroundColor: Theme.of(context).colorScheme.secondary,
+            icon: const Icon(Icons.calendar_month),
+            title: 'Vertretung'
+          ),
+        ),
+        PersistentTabConfig(
+          screen: const Breaker(breaker: BreakerArea.talk, child: ChatList()),
+          item: ItemConfig(
+            activeForegroundColor: Theme.of(context).primaryColor,
+            inactiveForegroundColor: Theme.of(context).colorScheme.secondary,
+            icon: Consumer<ChatListProps>(
+              builder: (context, value, child) {
+                if(value.primaryLoading()) return const Icon(Icons.chat);
+                int messages = value.getRoomsResponse.data.map((e) => e.unreadMessages).reduce((a, b) => a+b);
+                return badges.Badge(
+                  showBadge: messages > 0,
+                  position: badges.BadgePosition.topEnd(top: -3, end: -3),
+                  stackFit: StackFit.loose,
+                  badgeStyle: badges.BadgeStyle(
+                    padding: const EdgeInsets.all(3),
+                    badgeColor: Theme.of(context).primaryColor,
+                    elevation: 1,
+                  ),
+                  badgeContent: Text('$messages', style: const TextStyle(color: Colors.white, fontSize: 10, fontWeight: FontWeight.bold)),
+                  child: const Icon(Icons.chat),
+                );
+              },
+            ),
+            title: 'Talk',
+          ),
+        ),
+        PersistentTabConfig(
+          screen: const Breaker(breaker: BreakerArea.files, child: Files([])),
+          item: ItemConfig(
+              activeForegroundColor: Theme.of(context).primaryColor,
+              inactiveForegroundColor: Theme.of(context).colorScheme.secondary,
+              icon: const Icon(Icons.folder),
+              title: 'Dateien'
+          ),
+        ),
+        PersistentTabConfig(
+          screen: const Breaker(breaker: BreakerArea.more, child: Overhang()),
+          item: ItemConfig(
+              activeForegroundColor: Theme.of(context).primaryColor,
+              inactiveForegroundColor: Theme.of(context).colorScheme.secondary,
+              icon: const Icon(Icons.apps),
+              title: 'Mehr'
+          ),
+        ),
+      ],
+      navBarBuilder: (config) => Style6BottomNavBar(
+        navBarConfig: config,
+        navBarDecoration: NavBarDecoration(
+          border: const Border(top: BorderSide(width: 1, color: Colors.grey)),
+          color: Theme.of(context).colorScheme.surface,
+        ),
+      ),
+    );
  }

  @override
--- a/lib/extensions/renderNotNull.dart
+++ b/lib/extensions/renderNotNull.dart
@@ -0,0 +1,5 @@
+extension RenderNotNullExt<T> on T? {
+  R? wrapNullable<R>(R Function(T data) defaultValueCallback) {
+    return this != null ? defaultValueCallback(this as T) : null;
+  }
+}
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:developer';
 import 'dart:io';

-import 'package:feedback/feedback.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
@@ -30,7 +29,6 @@ import 'storage/base/settingsProvider.dart';
 import 'theming/darkAppTheme.dart';
 import 'theming/lightAppTheme.dart';
 import 'view/login/login.dart';
-import 'view/pages/more/feedback/feedbackForm.dart';
 import 'widget/placeholderView.dart';

 Future<void> main() async {
@@ -40,7 +38,7 @@ Future<void> main() async {
    await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
    log("Firebase token: ${await FirebaseMessaging.instance.getToken() ?? "Error: no Firebase token!"}");
  } catch (e) {
-    log("Error initializing Firebase app!");
+    log('Error initializing Firebase app!');
  }

  ByteData data = await PlatformAssetBundle().load('assets/ca/lets-encrypt-r3.pem');
@@ -71,12 +69,7 @@ Future<void> main() async {
          ChangeNotifierProvider(create: (context) => MessageProps()),
          ChangeNotifierProvider(create: (context) => HolidaysProps()),
        ],
-        child: BetterFeedback(
-          themeMode: ThemeMode.dark,
-          feedbackBuilder: (context, callback, scrollController) => FeedbackForm(callback: callback, scrollController: scrollController),
-          localeOverride: const Locale('de'),
-          child: const Main(),
-        ),
+        child: const Main(),
      )
  );
 }
@@ -93,7 +86,7 @@ class _MainState extends State<Main> {

  @override
  void initState() {
-    Jiffy.setLocale("de");
+    Jiffy.setLocale('de');

    AccountData().waitForPopulation().then((value) {
      Provider.of<AccountModel>(context, listen: false)
@@ -113,7 +106,12 @@ class _MainState extends State<Main> {
      textDirection: TextDirection.ltr,
      child: Consumer<SettingsProvider>(
        builder: (context, settings, child) {
+          var devToolsSettings = settings.val().devToolsSettings;
          return MaterialApp(
+            showPerformanceOverlay: devToolsSettings.showPerformanceOverlay,
+            checkerboardOffscreenLayers: devToolsSettings.checkerboardOffscreenLayers,
+            checkerboardRasterCacheImages: devToolsSettings.checkerboardRasterCacheImages,
+
            debugShowCheckedModeBanner: false,
            localizationsDelegates: const [
              ...GlobalMaterialLocalizations.delegates,
@@ -132,16 +130,16 @@ class _MainState extends State<Main> {
            darkTheme: DarkAppTheme.theme,
            home: LoaderOverlay(
              child: Breaker(
-                breaker: BreakerArea.global,
-                child: Consumer<AccountModel>(
-                  builder: (context, accountModel, child) {
-                    switch(accountModel.state) {
-                      case AccountModelState.loggedIn: return const App();
-                      case AccountModelState.loggedOut: return const Login();
-                      case AccountModelState.undefined: return const PlaceholderView(icon: Icons.timer, text: "Daten werden geladen");
-                    }
-                  },
-                )
+                  breaker: BreakerArea.global,
+                  child: Consumer<AccountModel>(
+                    builder: (context, accountModel, child) {
+                      switch(accountModel.state) {
+                        case AccountModelState.loggedIn: return const App();
+                        case AccountModelState.loggedOut: return const Login();
+                        case AccountModelState.undefined: return const PlaceholderView(icon: Icons.timer, text: 'Daten werden geladen');
+                      }
+                    },
+                  )
              ),
            ),
          );
--- a/lib/model/accountData.dart
+++ b/lib/model/accountData.dart
@@ -10,8 +10,8 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'accountModel.dart';

 class AccountData {
-  static const _usernameField = "username";
-  static const _passwordField = "password";
+  static const _usernameField = 'username';
+  static const _passwordField = 'password';
  
  static final AccountData _instance = AccountData._construct();
  final Future<SharedPreferences> _storage = SharedPreferences.getInstance();
@@ -29,21 +29,21 @@ class AccountData {
  String? _password;

  String getUsername() {
-    if(_username == null) throw Exception("Username not initialized");
+    if(_username == null) throw Exception('Username not initialized');
    return _username!;
  }

  String getPassword() {
-    if(_password == null) throw Exception("Password not initialized");
+    if(_password == null) throw Exception('Password not initialized');
    return _password!;
  }

  String getUserSecret() {
-    return sha512.convert(utf8.encode("${AccountData().getUsername()}:${AccountData().getPassword()}")).toString();
+    return sha512.convert(utf8.encode('${AccountData().getUsername()}:${AccountData().getPassword()}')).toString();
  }

  Future<String> getDeviceId() async {
-    return sha512.convert(utf8.encode("${getUserSecret()}@${await FirebaseMessaging.instance.getToken()}")).toString();
+    return sha512.convert(utf8.encode('${getUserSecret()}@${await FirebaseMessaging.instance.getToken()}')).toString();
  }

  Future<void> setData(String username, String password) async {
@@ -84,7 +84,7 @@ class AccountData {
  }

  String buildHttpAuthString() {
-    if(!isPopulated()) throw Exception("AccountData (e.g. username or password) is not initialized!");
-    return "$_username:$_password";
+    if(!isPopulated()) throw Exception('AccountData (e.g. username or password) is not initialized!');
+    return '$_username:$_password';
  }
 }
--- a/lib/model/breakers/BreakerProps.dart
+++ b/lib/model/breakers/BreakerProps.dart
@@ -26,7 +26,7 @@ class BreakerProps extends DataHolder {
    for(var key in breakers.regional.keys) {
      GetBreakersReponseObject value = breakers.regional[key]!;

-      if(int.parse(key.split("b")[1]) >= selfVersion) {
+      if(int.parse(key.split('b')[1]) >= selfVersion) {
        if(value.areas.contains(type)) return value.message;
      }
    }
--- a/lib/model/chatList/chatProps.dart
+++ b/lib/model/chatList/chatProps.dart
@@ -4,7 +4,7 @@ import '../../api/marianumcloud/talk/chat/getChatResponse.dart';
 import '../dataHolder.dart';

 class ChatProps extends DataHolder {
-  String _queryToken = "";
+  String _queryToken = '';
  DateTime _lastTokenSet = DateTime.now();

  GetChatResponse? _getChatResponse;
--- a/lib/model/endpointData.dart
+++ b/lib/model/endpointData.dart
@@ -21,7 +21,7 @@ class Endpoint {
  String domain;
  String path;

-  Endpoint({required this.domain, this.path = ""});
+  Endpoint({required this.domain, this.path = ''});

  String full() {
    return domain + path;
@@ -40,17 +40,17 @@ class EndpointData {
  EndpointMode getEndpointMode() {
    late String existingName;
    existingName = AccountData().getUsername();
-    return existingName.startsWith("google") ? EndpointMode.stage : EndpointMode.live;
+    return existingName.startsWith('google') ? EndpointMode.stage : EndpointMode.live;
  }

  Endpoint webuntis() {
    return EndpointOptions(
      live: Endpoint(
-        domain: "peleus.webuntis.com",
+        domain: 'peleus.webuntis.com',
      ),
      staged: Endpoint(
-        domain: "mhsl.eu",
-        path: "/marianum/marianummobile/webuntis/public/index.php/api"
+        domain: 'mhsl.eu',
+        path: '/marianum/marianummobile/webuntis/public/index.php/api'
      ),
    ).get(getEndpointMode());
  }
@@ -58,11 +58,11 @@ class EndpointData {
  Endpoint nextcloud() {
    return EndpointOptions(
      live: Endpoint(
-        domain: "cloud.marianum-fulda.de",
+        domain: 'cloud.marianum-fulda.de',
      ),
      staged: Endpoint(
-        domain: "mhsl.eu",
-        path: "/marianum/marianummobile/cloud",
+        domain: 'mhsl.eu',
+        path: '/marianum/marianummobile/cloud',
      )
    ).get(getEndpointMode());
  }
--- a/lib/model/files/filesProps.dart
+++ b/lib/model/files/filesProps.dart
@@ -12,7 +12,7 @@ extension ExtendedList on List {

 class FilesProps extends DataHolder {
  List<String> folderPath = List<String>.empty(growable: true);
-  String currentFolderName = "Home";
+  String currentFolderName = 'Home';

  ListFilesResponse? _listFilesResponse;
  ListFilesResponse get listFilesResponse => _listFilesResponse!;
@@ -32,7 +32,7 @@ class FilesProps extends DataHolder {
    _listFilesResponse = null;
    notifyListeners();
    ListFilesCache(
-      path: folderPath.isEmpty ? "/" : folderPath.join("/"),
+      path: folderPath.isEmpty ? '/' : folderPath.join('/'),
      onUpdate: (ListFilesResponse data) => {
        _listFilesResponse = data,
        notifyListeners(),
@@ -48,7 +48,7 @@ class FilesProps extends DataHolder {

  void popFolder() {
    folderPath.removeLast();
-    if(folderPath.isEmpty) currentFolderName = "Home";
+    if(folderPath.isEmpty) currentFolderName = 'Home';
    run();
  }
 }
--- a/lib/model/timetable/timetableProps.dart
+++ b/lib/model/timetable/timetableProps.dart
@@ -49,8 +49,8 @@ class TimetableProps extends DataHolder {
  @override
  void run({renew}) {
    GetTimetableCache(
-      startdate: int.parse(DateFormat("yyyyMMdd").format(startDate)),
-      enddate: int.parse(DateFormat("yyyyMMdd").format(endDate)),
+      startdate: int.parse(DateFormat('yyyyMMdd').format(startDate)),
+      enddate: int.parse(DateFormat('yyyyMMdd').format(endDate)),
      onUpdate: (GetTimetableResponse data) => {
        _getTimetableResponse = data,
        notifyListeners(),
--- a/lib/notification/notificationController.dart
+++ b/lib/notification/notificationController.dart
@@ -49,11 +49,11 @@ class NotificationController {

    DebugTile(context).run(() {
      showDialog(context: context, builder: (context) => AlertDialog(
-        title: const Text("Notification report"),
+        title: const Text('Notification report'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
-            const Text("Dieser Bericht wird angezeigt, da du den Entwicklermodus aktiviert hast und die App über eine Benachrichtigung geöffnet wurde."),
+            const Text('Dieser Bericht wird angezeigt, da du den Entwicklermodus aktiviert hast und die App über eine Benachrichtigung geöffnet wurde.'),
            Text(JsonViewer.format(message.data)),
          ],
        ),
--- a/lib/notification/notifyUpdater.dart
+++ b/lib/notification/notifyUpdater.dart
@@ -10,13 +10,13 @@ import '../widget/confirmDialog.dart';
 class NotifyUpdater {
  static ConfirmDialog enableAfterDisclaimer(SettingsProvider settings) {
    return ConfirmDialog(
-      title: "Warnung",
+      title: 'Warnung',
      icon: Icons.warning_amber,
-      content: ""
-          "Die Push-Benachrichtigungen werden durch mhsl.eu versendet.\n\n"
-          "Durch das aktivieren dieser Funktion wird dein Nutzername, dein Password und eine Geräte-ID von mhsl dauerhaft gespeichert und verarbeitet.\n\n"
-          "Für mehr Informationen drücke lange auf die Einstellungsoption!",
-      confirmButton: "Aktivieren",
+      content: ''
+          'Die Push-Benachrichtigungen werden durch mhsl.eu versendet.\n\n'
+          'Durch das aktivieren dieser Funktion wird dein Nutzername, dein Password und eine Geräte-ID von mhsl dauerhaft gespeichert und verarbeitet.\n\n'
+          'Für mehr Informationen drücke lange auf die Einstellungsoption!',
+      confirmButton: 'Aktivieren',
      onConfirm: () {
        FirebaseMessaging.instance.requestPermission(
            provisional: false
@@ -29,7 +29,7 @@ class NotifyUpdater {
  static void registerToServer() async {
    String? fcmToken = await FirebaseMessaging.instance.getToken();

-    if(fcmToken == null) throw Exception("Failed to register push notification because there is no FBC token!");
+    if(fcmToken == null) throw Exception('Failed to register push notification because there is no FBC token!');

    NotifyRegister(
      NotifyRegisterParams(
--- a/lib/storage/base/settings.dart
+++ b/lib/storage/base/settings.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:json_annotation/json_annotation.dart';

+import '../devTools/devToolsSettings.dart';
 import '../file/fileSettings.dart';
 import '../fileView/fileViewSettings.dart';
 import '../gradeAverages/gradeAveragesSettings.dart';
@@ -27,6 +28,7 @@ class Settings {
  HolidaysSettings holidaysSettings;
  FileViewSettings fileViewSettings;
  NotificationSettings notificationSettings;
+  DevToolsSettings devToolsSettings;

  Settings({
    required this.appTheme,
@@ -38,6 +40,7 @@ class Settings {
    required this.holidaysSettings,
    required this.fileViewSettings,
    required this.notificationSettings,
+    required this.devToolsSettings,
  });

  static String _themeToJson(ThemeMode m) => m.name;
--- a/lib/storage/base/settings.g.dart
+++ b/lib/storage/base/settings.g.dart
@@ -23,6 +23,8 @@ Settings _$SettingsFromJson(Map<String, dynamic> json) => Settings(
          json['fileViewSettings'] as Map<String, dynamic>),
      notificationSettings: NotificationSettings.fromJson(
          json['notificationSettings'] as Map<String, dynamic>),
+      devToolsSettings: DevToolsSettings.fromJson(
+          json['devToolsSettings'] as Map<String, dynamic>),
    );

 Map<String, dynamic> _$SettingsToJson(Settings instance) => <String, dynamic>{
@@ -35,4 +37,5 @@ Map<String, dynamic> _$SettingsToJson(Settings instance) => <String, dynamic>{
      'holidaysSettings': instance.holidaysSettings.toJson(),
      'fileViewSettings': instance.fileViewSettings.toJson(),
      'notificationSettings': instance.notificationSettings.toJson(),
+      'devToolsSettings': instance.devToolsSettings.toJson(),
    };
--- a/lib/storage/base/settingsProvider.dart
+++ b/lib/storage/base/settingsProvider.dart
@@ -8,7 +8,7 @@ import '../../view/settings/defaultSettings.dart';
 import 'settings.dart';

 class SettingsProvider extends ChangeNotifier {
-  static const String _fieldName = "settings";
+  static const String _fieldName = 'settings';

  late SharedPreferences _storage;
  late Settings _settings = DefaultSettings.get();
@@ -45,13 +45,13 @@ class SettingsProvider extends ChangeNotifier {
      _settings = Settings.fromJson(jsonDecode(_storage.getString(_fieldName)!));
    } catch(exception) {
      try {
-        log("Settings were changed, trying to recover from old Settings: ${exception.toString()}");
+        log('Settings were changed, trying to recover from old Settings: ${exception.toString()}');
        _settings = Settings.fromJson(_mergeSettings(jsonDecode(_storage.getString(_fieldName)!), DefaultSettings.get().toJson()));
-        log("Settings recovered successfully: ${_settings.toJson().toString()}");
+        log('Settings recovered successfully: ${_settings.toJson().toString()}');
      } catch(exception) {
-        log("Settings are defective and not recoverable, using defaults: ${exception.toString()}");
+        log('Settings are defective and not recoverable, using defaults: ${exception.toString()}');
        _settings = DefaultSettings.get();
-        log("Settings were reset to defaults!");
+        log('Settings were reset to defaults!');
      }
    }

--- a/lib/storage/devTools/devToolsSettings.dart
+++ b/lib/storage/devTools/devToolsSettings.dart
@@ -0,0 +1,15 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'devToolsSettings.g.dart';
+
+@JsonSerializable()
+class DevToolsSettings {
+  bool showPerformanceOverlay;
+  bool checkerboardOffscreenLayers;
+  bool checkerboardRasterCacheImages;
+
+  DevToolsSettings({required this.showPerformanceOverlay, required this.checkerboardOffscreenLayers, required this.checkerboardRasterCacheImages});
+
+  factory DevToolsSettings.fromJson(Map<String, dynamic> json) => _$DevToolsSettingsFromJson(json);
+  Map<String, dynamic> toJson() => _$DevToolsSettingsToJson(this);
+}
--- a/lib/storage/devTools/devToolsSettings.g.dart
+++ b/lib/storage/devTools/devToolsSettings.g.dart
@@ -0,0 +1,22 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'devToolsSettings.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+DevToolsSettings _$DevToolsSettingsFromJson(Map<String, dynamic> json) =>
+    DevToolsSettings(
+      showPerformanceOverlay: json['showPerformanceOverlay'] as bool,
+      checkerboardOffscreenLayers: json['checkerboardOffscreenLayers'] as bool,
+      checkerboardRasterCacheImages:
+          json['checkerboardRasterCacheImages'] as bool,
+    );
+
+Map<String, dynamic> _$DevToolsSettingsToJson(DevToolsSettings instance) =>
+    <String, dynamic>{
+      'showPerformanceOverlay': instance.showPerformanceOverlay,
+      'checkerboardOffscreenLayers': instance.checkerboardOffscreenLayers,
+      'checkerboardRasterCacheImages': instance.checkerboardRasterCacheImages,
+    };
--- a/lib/theming/appTheme.dart
+++ b/lib/theming/appTheme.dart
@@ -4,13 +4,13 @@ class AppTheme {
  static ThemeModeDisplay getDisplayOptions(ThemeMode theme) {
    switch(theme) {
      case ThemeMode.system:
-        return ThemeModeDisplay(icon: Icons.auto_fix_high_outlined, displayName: "Systemvorgabe");
+        return ThemeModeDisplay(icon: Icons.auto_fix_high_outlined, displayName: 'Systemvorgabe');

      case ThemeMode.light:
-        return ThemeModeDisplay(icon: Icons.wb_sunny_outlined, displayName: "Hell");
+        return ThemeModeDisplay(icon: Icons.wb_sunny_outlined, displayName: 'Hell');

      case ThemeMode.dark:
-        return ThemeModeDisplay(icon: Icons.dark_mode_outlined, displayName: "Dunkel");
+        return ThemeModeDisplay(icon: Icons.dark_mode_outlined, displayName: 'Dunkel');

    }
  }
--- a/lib/view/login/login.dart
+++ b/lib/view/login/login.dart
@@ -21,7 +21,7 @@ class _LoginState extends State<Login> {
  bool displayDisclaimerText = true;

  String? _checkInput(value){
-    return (value ?? "").length == 0 ? "Eingabe erforderlich" : null;
+    return (value ?? '').length == 0 ? 'Eingabe erforderlich' : null;
  }

  Future<String?> _login(LoginData data) async {
@@ -42,7 +42,7 @@ class _LoginState extends State<Login> {
    } catch(e) {
      await AccountData().removeData();
      log(e.toString());
-      return "Benutzername oder Password falsch! (${e.toString()})";
+      return 'Benutzername oder Password falsch! (${e.toString()})';
    }

    await Future.delayed(const Duration(seconds: 1));
@@ -51,14 +51,14 @@ class _LoginState extends State<Login> {

  Future<String> _resetPassword(String name) {
    return Future.delayed(Duration.zero).then((_) {
-      return "Diese Funktion steht nicht zur Verfügung!";
+      return 'Diese Funktion steht nicht zur Verfügung!';
    });
  }

  @override
  Widget build(BuildContext context) {
    return FlutterLogin(
-      logo: Image.asset("assets/logo/icon.png").image,
+      logo: Image.asset('assets/logo/icon.png').image,

      userValidator: _checkInput,
      passwordValidator: _checkInput,
@@ -84,9 +84,9 @@ class _LoginState extends State<Login> {
      ),

      messages: LoginMessages(
-        loginButton: "Anmelden",
-        userHint: "Nutzername",
-        passwordHint: "Passwort",
+        loginButton: 'Anmelden',
+        userHint: 'Nutzername',
+        passwordHint: 'Passwort',
      ),

      disableCustomPageTransformer: true,
@@ -97,15 +97,15 @@ class _LoginState extends State<Login> {
          child: Visibility(
            visible: displayDisclaimerText,
            child: const Text(
-            "Dies ist ein Inoffizieller Nextcloud & Webuntis Client und wird nicht vom Marianum selbst betrieben.\nKeinerlei Gewähr für Vollständigkeit, Richtigkeit und Aktualität!",
+            'Dies ist ein Inoffizieller Nextcloud & Webuntis Client und wird nicht vom Marianum selbst betrieben.\nKeinerlei Gewähr für Vollständigkeit, Richtigkeit und Aktualität!',
            textAlign: TextAlign.center,
            ),
          ),
        ),
      ),

-      footer: "Marianum Fulda - Die persönliche Schule",
-      title: "Marianum Fulda",
+      footer: 'Marianum Fulda - Die persönliche Schule',
+      title: 'Marianum Fulda',

      userType: LoginUserType.name,
    );
--- a/lib/view/pages/files/fileElement.dart
+++ b/lib/view/pages/files/fileElement.dart
@@ -6,11 +6,13 @@ import 'package:flowder/flowder.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:jiffy/jiffy.dart';
+import '../../../widget/infoDialog.dart';
 import 'package:nextcloud/nextcloud.dart';
 import 'package:path_provider/path_provider.dart';

 import '../../../api/marianumcloud/webdav/queries/listFiles/cacheableFile.dart';
 import '../../../api/marianumcloud/webdav/webdavApi.dart';
+import '../../../model/endpointData.dart';
 import '../../../widget/centeredLeading.dart';
 import '../../../widget/confirmDialog.dart';
 import '../../../widget/fileViewer.dart';
@@ -27,7 +29,7 @@ class FileElement extends StatefulWidget {
    Directory paths = await getTemporaryDirectory();
    
    var encodedPath = Uri.encodeComponent(remotePath);
-    encodedPath = encodedPath.replaceAll("%2F", "/");
+    encodedPath = encodedPath.replaceAll('%2F', '/');

    String local = paths.path + Platform.pathSeparator + name;

@@ -42,7 +44,7 @@ class FileElement extends StatefulWidget {
      onDone: () {
        //Future<OpenResult> result = OpenFile.open(local); // TODO legacy - refactor: remove onDone parameter
        Navigator.of(context).push(MaterialPageRoute(builder: (context) => FileViewer(path: local)));
-        onDone(OpenResult(message: "File viewer opened", type: ResultType.done));
+        onDone(OpenResult(message: 'File viewer opened', type: ResultType.done));
        // result.then((value) => {
        //   onDone(value)
        // });
@@ -69,21 +71,21 @@ class _FileElementState extends State<FileElement> {
        children: [
          Container(
            margin: const EdgeInsets.only(right: 10),
-            child: const Text("Download:"),
+            child: const Text('Download:'),
          ),
          Expanded(
            child: LinearProgressIndicator(value: percent/100),
          ),
          Container(
            margin: const EdgeInsets.only(left: 10),
-            child: Text("${percent.round()}%"),
+            child: Text('${percent.round()}%'),
          ),
        ],
      );
    }
    return widget.file.isDirectory
-        ? Text("geändert ${Jiffy.parseFromDateTime(widget.file.modifiedAt ?? DateTime.now()).fromNow()}")
-        : Text("${filesize(widget.file.size)}, ${Jiffy.parseFromDateTime(widget.file.modifiedAt ?? DateTime.now()).fromNow()}");
+        ? Text('geändert ${Jiffy.parseFromDateTime(widget.file.modifiedAt ?? DateTime.now()).fromNow()}')
+        : Text('${filesize(widget.file.size)}, ${Jiffy.parseFromDateTime(widget.file.modifiedAt ?? DateTime.now()).fromNow()}');
  }

  @override
@@ -103,14 +105,18 @@ class _FileElementState extends State<FileElement> {
            },
          ));
        } else {
+          if(EndpointData().getEndpointMode() == EndpointMode.stage) {
+            InfoDialog.show(context, 'Virtuelle Dateien im Staging Prozess können nicht heruntergeladen werden!');
+            return;
+          }
          if(widget.file.currentlyDownloading) {
            showDialog(
              context: context,
              builder: (context) => ConfirmDialog(
-                title: "Download abbrechen?",
-                content: "Möchtest du den Download abbrechen?",
-                cancelButton: "Nein",
-                confirmButton: "Ja, Abbrechen",
+                title: 'Download abbrechen?',
+                content: 'Möchtest du den Download abbrechen?',
+                cancelButton: 'Nein',
+                confirmButton: 'Ja, Abbrechen',
                onConfirm: () {
                  downloadCore?.then((value) {
                    if(!value.isCancelled) value.cancel();
@@ -137,7 +143,7 @@ class _FileElementState extends State<FileElement> {
            if(result.type != ResultType.done) {
              showDialog(context: context, builder: (context) {
                return AlertDialog(
-                  title: const Text("Download"),
+                  title: const Text('Download'),
                  content: Text(result.message),
                );
              });
@@ -157,12 +163,12 @@ class _FileElementState extends State<FileElement> {
            children: [
              ListTile(
                leading: const Icon(Icons.delete_outline),
-                title: const Text("Löschen"),
+                title: const Text('Löschen'),
                onTap: () {
                  Navigator.of(context).pop();
                  showDialog(context: context, builder: (context) => ConfirmDialog(
-                    title: "Element löschen?",
-                    content: "Das Element wird unwiederruflich gelöscht.",
+                    title: 'Element löschen?',
+                    content: 'Das Element wird unwiederruflich gelöscht.',
                    onConfirm: () {
                      WebdavApi.webdav
                          .then((value) => value.delete(PathUri.parse(widget.file.path)))
@@ -175,7 +181,7 @@ class _FileElementState extends State<FileElement> {
                visible: !kReleaseMode,
                child: ListTile(
                  leading: const Icon(Icons.share_outlined),
-                  title: const Text("Teilen"),
+                  title: const Text('Teilen'),
                  onTap: () {
                    Navigator.of(context).pop();
                    UnimplementedDialog.show(context);
--- a/lib/view/pages/files/fileUploadDialog.dart
+++ b/lib/view/pages/files/fileUploadDialog.dart
@@ -43,8 +43,8 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
      setState(() {
        state = FileUploadState.checkConflict;
      });
-      List<WebDavResponse> result = (await webdavClient.propfind(PathUri.parse(widget.remotePath.join("/")))).responses;
-      if(result.any((element) => element.href!.endsWith("/$targetFileName"))) {
+      List<WebDavResponse> result = (await webdavClient.propfind(PathUri.parse(widget.remotePath.join('/')))).responses;
+      if(result.any((element) => element.href!.endsWith('/$targetFileName'))) {
        setState(() {
          state = FileUploadState.conflict;
        });
@@ -57,7 +57,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
    }

    Future<HttpClientResponse> uploadTask = webdavClient.putFile(File(widget.localPath), FileStat.statSync(widget.localPath), PathUri.parse(fullRemotePath)); // TODO use onProgress from putFile
-    uploadTask.then((value) => Future<HttpClientResponse?>.value(value)).catchError((e) {
+    uploadTask.then(Future<HttpClientResponse?>.value).catchError((e) {
      setState(() {
        state = FileUploadState.error;
      });
@@ -67,7 +67,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {

    cancelableOperation = CancelableOperation<HttpClientResponse>.fromFuture(
      uploadTask,
-      onCancel: () => log("Upload cancelled"),
+      onCancel: () => log('Upload cancelled'),
    );

    cancelableOperation!.then((value) {
@@ -88,7 +88,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
  void initState() {
    super.initState();
    targetFileName = widget.fileName;
-    remoteFolderName = widget.remotePath.isNotEmpty ? widget.remotePath.last : "/";
+    remoteFolderName = widget.remotePath.isNotEmpty ? widget.remotePath.last : '/';
    fileNameController.text = widget.fileName;
  }
  
@@ -96,7 +96,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
  Widget build(BuildContext context) {
    if(state == FileUploadState.naming) {
      return AlertDialog(
-        title: const Text("Datei hochladen"),
+        title: const Text('Datei hochladen'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
@@ -107,7 +107,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
              },
              autocorrect: false,
              decoration: const InputDecoration(
-                labelText: "Dateiname",
+                labelText: 'Dateiname',
              ),
            ),
          ],
@@ -115,10 +115,10 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
        actions: [
          TextButton(onPressed: () {
            Navigator.of(context).pop();
-          }, child: const Text("Abbrechen")),
+          }, child: const Text('Abbrechen')),
          TextButton(onPressed: () async {
            upload();
-          }, child: const Text("Hochladen")),
+          }, child: const Text('Hochladen')),
        ],

      );
@@ -127,7 +127,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
    if(state == FileUploadState.conflict) {
      return AlertDialog(
        icon: const Icon(Icons.error_outline),
-        title: const Text("Datei konflikt"),
+        title: const Text('Datei konflikt'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
@@ -139,10 +139,10 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
            setState(() {
              state = FileUploadState.naming;
            });
-          }, child: const Text("Datei umbenennen")),
+          }, child: const Text('Datei umbenennen')),
          TextButton(onPressed: () {
            upload(override: true);
-          }, child: const Text("Datei überschreiben")),
+          }, child: const Text('Datei überschreiben')),
        ],

      );
@@ -151,15 +151,15 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
    if(state == FileUploadState.upload || state == FileUploadState.checkConflict) {
      return AlertDialog(
        icon: const Icon(Icons.upload),
-        title: const Text("Hochladen"),
+        title: const Text('Hochladen'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Visibility(
              visible: state == FileUploadState.upload,
-              replacement: const Text("Prüfe auf dateikonflikte..."),
-              child: const Text("Upload läuft!\nDies kann je nach Dateigröße einige Zeit dauern...", textAlign: TextAlign.center),
+              replacement: const Text('Prüfe auf dateikonflikte...'),
+              child: const Text('Upload läuft!\nDies kann je nach Dateigröße einige Zeit dauern...', textAlign: TextAlign.center),
            ),
            const SizedBox(height: 30),
            const CircularProgressIndicator()
@@ -183,7 +183,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
      }
      return AlertDialog(
        icon: const Icon(Icons.done),
-        title: const Text("Upload fertig"),
+        title: const Text('Upload fertig'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
@@ -193,7 +193,7 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
        actions: [
          TextButton(onPressed: () {
            Navigator.of(context).pop();
-          }, child: const Text("Fertig")),
+          }, child: const Text('Fertig')),
        ],

      );
@@ -202,23 +202,23 @@ class _FileUploadDialogState extends State<FileUploadDialog> {
    if(state == FileUploadState.error) {
      return AlertDialog(
        icon: const Icon(Icons.error_outline),
-        title: const Text("Fehler"),
+        title: const Text('Fehler'),
        content: const Column(
          mainAxisSize: MainAxisSize.min,
          children: [
-            Text("Es ist ein Fehler aufgetreten!", textAlign: TextAlign.center),
+            Text('Es ist ein Fehler aufgetreten!', textAlign: TextAlign.center),
          ],
        ),
        actions: [
          TextButton(onPressed: () {
            Navigator.of(context).pop();
-          }, child: const Text("Schlißen")),
+          }, child: const Text('Schlißen')),
        ],

      );
    }

-    throw UnimplementedError("Invalid state");
+    throw UnimplementedError('Invalid state');

  }
 }
--- a/lib/view/pages/files/files.dart
+++ b/lib/view/pages/files/files.dart
@@ -43,17 +43,17 @@ enum SortOption {
 class SortOptions {
  static Map<SortOption, BetterSortOption> options = {
    SortOption.name: BetterSortOption(
-      displayName: "Name",
+      displayName: 'Name',
      icon: Icons.sort_by_alpha_outlined,
      compare: (CacheableFile a, CacheableFile b) => a.name.compareTo(b.name)
    ),
    SortOption.date: BetterSortOption(
-      displayName: "Datum",
+      displayName: 'Datum',
      icon: Icons.history_outlined,
      compare: (CacheableFile a, CacheableFile b) => a.modifiedAt!.compareTo(b.modifiedAt!)
    ),
    SortOption.size: BetterSortOption(
-      displayName: "Größe",
+      displayName: 'Größe',
      icon: Icons.sd_card_outlined,
      compare: (CacheableFile a, CacheableFile b) {
        if(a.isDirectory || b.isDirectory) return a.isDirectory ? 1 : 0;
@@ -88,7 +88,7 @@ class _FilesState extends State<Files> {

  void _query() {
    ListFilesCache(
-        path: widget.path.isEmpty ? "/" : widget.path.join("/"),
+        path: widget.path.isEmpty ? '/' : widget.path.join('/'),
        onUpdate: (ListFilesResponse d) {
          if(!context.mounted) return; // prevent setState when widget is possibly already disposed
          d.files.removeWhere((element) => element.name.isEmpty || element.name == widget.path.lastOrNull());
@@ -109,7 +109,7 @@ class _FilesState extends State<Files> {

    return Scaffold(
      appBar: AppBar(
-        title: Text(widget.path.isNotEmpty ? widget.path.last : "Dateien"),
+        title: Text(widget.path.isNotEmpty ? widget.path.last : 'Dateien'),
        actions: [
          // IconButton(
          //   icon: const Icon(Icons.search),
@@ -127,7 +127,7 @@ class _FilesState extends State<Files> {
                    children: [
                      Icon(e ? Icons.text_rotate_up : Icons.text_rotation_down, color: Theme.of(context).colorScheme.onSurface),
                      const SizedBox(width: 15),
-                      Text(e ? "Aufsteigend" : "Absteigend")
+                      Text(e ? 'Aufsteigend' : 'Absteigend')
                    ],
                  )
              )).toList();
@@ -164,7 +164,7 @@ class _FilesState extends State<Files> {
        ],
      ),
      floatingActionButton: FloatingActionButton(
-        heroTag: "uploadFile",
+        heroTag: 'uploadFile',
        backgroundColor: Theme.of(context).primaryColor,
        onPressed: () {
          showDialog(context: context, builder: (context) {
@@ -172,29 +172,29 @@ class _FilesState extends State<Files> {
              children: [
                ListTile(
                  leading: const Icon(Icons.create_new_folder_outlined),
-                  title: const Text("Ordner erstellen"),
+                  title: const Text('Ordner erstellen'),
                  onTap: () {
                    Navigator.of(context).pop();
                    showDialog(context: context, builder: (context) {
                      var inputController = TextEditingController();
                      return AlertDialog(
-                        title: const Text("Neuer Ordner"),
+                        title: const Text('Neuer Ordner'),
                        content: TextField(
                          controller: inputController,
                          decoration: const InputDecoration(
-                            labelText: "Name",
+                            labelText: 'Name',
                          ),
                        ),
                        actions: [
                          TextButton(onPressed: () {
                            Navigator.of(context).pop();
-                          }, child: const Text("Abbrechen")),
+                          }, child: const Text('Abbrechen')),
                          TextButton(onPressed: () {
                            WebdavApi.webdav.then((webdav) {
                              webdav.mkcol(PathUri.parse("${widget.path.join("/")}/${inputController.text}")).then((value) => _query());
                            });
                            Navigator.of(context).pop();
-                          }, child: const Text("Ordner erstellen")),
+                          }, child: const Text('Ordner erstellen')),
                        ],
                      );
                    });
@@ -202,12 +202,10 @@ class _FilesState extends State<Files> {
                ),
                ListTile(
                  leading: const Icon(Icons.upload_file),
-                  title: const Text("Aus Dateien hochladen"),
+                  title: const Text('Aus Dateien hochladen'),
                  onTap: () {
                    context.loaderOverlay.show();
-                    FilePick.documentPick().then((value) {
-                      mediaUpload(value);
-                    });
+                    FilePick.documentPick().then(mediaUpload);
                    Navigator.of(context).pop();
                  },
                ),
@@ -215,7 +213,7 @@ class _FilesState extends State<Files> {
                  visible: !Platform.isIOS,
                  child: ListTile(
                    leading: const Icon(Icons.add_a_photo_outlined),
-                    title: const Text("Aus Gallerie hochladen"),
+                    title: const Text('Aus Gallerie hochladen'),
                    onTap: () {
                      context.loaderOverlay.show();
                      FilePick.galleryPick().then((value) {
@@ -231,13 +229,14 @@ class _FilesState extends State<Files> {
        },
        child: const Icon(Icons.add),
      ),
-      body: data == null ? const LoadingSpinner() : data!.files.isEmpty ? const PlaceholderView(icon: Icons.folder_off_rounded, text: "Der Ordner ist leer") : LoaderOverlay(
+      body: data == null ? const LoadingSpinner() : data!.files.isEmpty ? const PlaceholderView(icon: Icons.folder_off_rounded, text: 'Der Ordner ist leer') : LoaderOverlay(
        child: RefreshIndicator(
          onRefresh: () {
            _query();
            return Future.delayed(const Duration(seconds: 3));
          },
          child: ListView.builder(
+            padding: EdgeInsets.zero,
            itemCount: files.length,
            itemBuilder: (context, index) {
              CacheableFile file = files.toList()[index];
@@ -257,6 +256,6 @@ class _FilesState extends State<Files> {
    }

    var fileName = path.split(Platform.pathSeparator).last;
-    showDialog(context: context, builder: (context) => FileUploadDialog(localPath: path, remotePath: widget.path, fileName: fileName, onUploadFinished: () => _query()), barrierDismissible: false);
+    showDialog(context: context, builder: (context) => FileUploadDialog(localPath: path, remotePath: widget.path, fileName: fileName, onUploadFinished: _query), barrierDismissible: false);
  }
 }
--- a/lib/view/pages/more/feedback/feedbackDialog.dart
+++ b/lib/view/pages/more/feedback/feedbackDialog.dart
@@ -0,0 +1,78 @@
+
+import 'package:flutter/material.dart';
+import 'package:package_info/package_info.dart';
+
+import '../../../../api/mhsl/server/feedback/addFeedback.dart';
+import '../../../../api/mhsl/server/feedback/addFeedbackParams.dart';
+import '../../../../model/accountData.dart';
+import '../../../../widget/infoDialog.dart';
+
+class FeedbackDialog extends StatefulWidget {
+  const FeedbackDialog({super.key});
+
+  @override
+  State<FeedbackDialog> createState() => _FeedbackDialogState();
+}
+
+class _FeedbackDialogState extends State<FeedbackDialog> {
+  final TextEditingController _feedbackInput = TextEditingController();
+  String? _error;
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+
+      title: const Text('Feedback'),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          const Text('Feedback, Anregungen, Ideen, Fehler und Verbesserungen'),
+          const SizedBox(height: 10),
+          const Text('Bitte gib keine geheimen Daten wie z.B. Passwörter weiter.', style: TextStyle(fontSize: 10)),
+          const SizedBox(height: 10),
+          TextField(
+            controller: _feedbackInput,
+            autofocus: true,
+            decoration: const InputDecoration(
+              border: OutlineInputBorder(),
+              label: Text('Feedback und Verbesserungen')
+            ),
+            // style: TextStyle(),
+            // expands: true,
+            minLines: 3,
+            maxLines: 5,
+          ),
+          Visibility(
+            visible: _error != null,
+            child: Text('Senden fehlgeschlagen: $_error', style: const TextStyle(color: Colors.red))
+          )
+        ],
+      ),
+      actions: [
+        TextButton(onPressed: () => Navigator.of(context).pop(), child: const Text('Abbrechen')),
+        TextButton(
+          onPressed: () async {
+            AddFeedback(
+              AddFeedbackParams(
+                user: AccountData().getUserSecret(),
+                feedback: _feedbackInput.text,
+                appVersion: int.parse((await PackageInfo.fromPlatform()).buildNumber)
+              )
+            )
+            .run()
+            .then((value) {
+              Navigator.of(context).pop();
+              InfoDialog.show(context, 'Danke für dein Feedback!');
+            })
+            .catchError((error, trace) {
+                setState(() {
+                  _error = error.toString();
+                });
+            });
+          },
+          child: const Text('Senden'),
+        )
+      ],
+    );
+  }
+}
--- a/lib/view/pages/more/feedback/feedbackForm.dart
+++ b/lib/view/pages/more/feedback/feedbackForm.dart
@@ -1,99 +0,0 @@
-
-import 'package:flutter/material.dart';
-
-import '../../../../theming/darkAppTheme.dart';
-import '../../../../widget/loadingSpinner.dart';
-
-class FeedbackForm extends StatefulWidget {
-  final Future<void> Function(String, {Map<String, dynamic>? extras}) callback;
-  final ScrollController? scrollController;
-  const FeedbackForm({required this.scrollController, required this.callback, super.key});
-
-  @override
-  State<FeedbackForm> createState() => _FeedbackFormState();
-}
-
-class _FeedbackFormState extends State<FeedbackForm> {
-  final TextEditingController _feedbackInput = TextEditingController();
-  bool _textFieldEmpty = false;
-  bool _isSending = false;
-
-  @override
-  void initState() {
-    super.initState();
-    _feedbackInput.addListener(() {
-      setState(() {
-        _textFieldEmpty = _feedbackInput.text.isEmpty;
-      });
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Theme(
-      data: DarkAppTheme.theme,
-      child: Visibility(
-        visible: !_isSending,
-        replacement: const LoadingSpinner(infoText: "Daten werden ermittelt"),
-        child: SingleChildScrollView(
-          controller: widget.scrollController,
-          padding: const EdgeInsets.all(20),
-          child: Column(
-            mainAxisSize: MainAxisSize.min,
-            children: [
-              const Text("Bitte gib keine geheimen Daten wie z.B. Passwörter weiter!", style: TextStyle(fontSize: 10)),
-              const SizedBox(height: 10),
-              TextField(
-                controller: _feedbackInput,
-                autofocus: true,
-                decoration: InputDecoration(
-                    border: const OutlineInputBorder(),
-                    label: const Text("Dein Feedback"),
-                    errorText: _textFieldEmpty ? "Bitte gib eine Beschreibung an" : null
-                ),
-                minLines: 1,
-                maxLines: 2,
-              ),
-              Row(
-                mainAxisAlignment: MainAxisAlignment.end,
-                children: [
-                  TextButton(
-                    onPressed: () async {
-                      if(_isSending) return;
-                      if(_feedbackInput.text.isEmpty) {
-                        setState(() {
-                          _textFieldEmpty = true;
-                        });
-                        return;
-                      }
-
-                      setState(() {
-                        _isSending = true;
-                      });
-
-                      widget.callback(_feedbackInput.text);
-                    },
-                    child: const Text("Senden"),
-                  ),
-                ],
-              ),
-              const SizedBox(height: 40),
-              const Center(
-                  child: Column(
-                    children: [
-                      Text(
-                        "Feedback, mal süß wie Kuchen, mal sauer wie Gurken, doch immer ein Schlüssel fürs Wachsen und Lernen.",
-                        textAlign: TextAlign.center,
-                      ),
-                      SizedBox(height: 10),
-                      Icon(Icons.emoji_objects_outlined)
-                    ],
-                  )
-              ),
-            ],
-          ),
-        ),
-      ),
-    );
-  }
-}
--- a/lib/view/pages/more/feedback/feedbackSender.dart
+++ b/lib/view/pages/more/feedback/feedbackSender.dart
@@ -1,32 +0,0 @@
-import 'dart:convert';
-
-import 'package:feedback/feedback.dart';
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/foundation.dart';
-import 'package:loader_overlay/loader_overlay.dart';
-import 'package:package_info/package_info.dart';
-
-import '../../../../api/mhsl/server/feedback/addFeedback.dart';
-import '../../../../api/mhsl/server/feedback/addFeedbackParams.dart';
-import '../../../../model/accountData.dart';
-import '../../../../widget/infoDialog.dart';
-
-class FeedbackSender {
-  static send(BuildContext context, UserFeedback feedback) async {
-    BetterFeedback.of(context).hide();
-    context.loaderOverlay.show();
-    AddFeedbackParams params = AddFeedbackParams(
-        user: AccountData().getUserSecret(),
-        feedback: feedback.text,
-        screenshot: await compute((message) => base64Encode(message), feedback.screenshot),
-        appVersion: int.parse((await PackageInfo.fromPlatform()).buildNumber)
-    );
-    AddFeedback(params).run().then((value) {
-      InfoDialog.show(context, "Danke für dein Feedback!");
-      context.loaderOverlay.hide();
-    }).catchError((error, trace) {
-      InfoDialog.show(context, error.toString());
-      context.loaderOverlay.hide();
-    });
-  }
-}
--- a/lib/view/pages/more/gradeAverages/gradeAverage.dart
+++ b/lib/view/pages/more/gradeAverages/gradeAverage.dart
@@ -24,7 +24,7 @@ class _GradeAverageState extends State<GradeAverage> {

  String getGradeDisplay(int grade) {
    if(gradeSystem) {
-      return "Note $grade";
+      return 'Note $grade';
    } else {
      return "$grade Punkt${grade > 1 ? "e" : ""}";
    }
@@ -48,22 +48,22 @@ class _GradeAverageState extends State<GradeAverage> {
      if(!settings.val().gradeAveragesSettings.askedForPreferredGradeSystem) {
        settings.val(write: true).gradeAveragesSettings.askedForPreferredGradeSystem = true;
        showDialog(context: context, builder: (context) => AlertDialog(
-          title: const Text("Notensystem"),
-          content: const Text("Wähle dein bevorzugtes Schulnotensystem"),
+          title: const Text('Notensystem'),
+          content: const Text('Wähle dein bevorzugtes Schulnotensystem'),
          actions: [
            TextButton(
              onPressed: () {
                switchSystem(true);
                Navigator.of(context).pop();
              },
-              child: const Text("Realschule"),
+              child: const Text('Realschule'),
            ),
            TextButton(
              onPressed: () {
                switchSystem(false);
                Navigator.of(context).pop();
              },
-              child: const Text("Oberstufe"),
+              child: const Text('Oberstufe'),
            ),
          ],
        ));
@@ -81,7 +81,7 @@ class _GradeAverageState extends State<GradeAverage> {

    return Scaffold(
      appBar: AppBar(
-        title: const Text("Notendurschnittsrechner"),
+        title: const Text('Notendurschnittsrechner'),
        actions: [
          Visibility(
            visible: grades.isNotEmpty,
@@ -89,9 +89,9 @@ class _GradeAverageState extends State<GradeAverage> {
              showDialog(
                context: context,
                builder: (context) => ConfirmDialog(
-                  title: "Zurücksetzen?",
-                  content: "Alle Einträge werden entfernt.",
-                  confirmButton: "Zurücksetzen",
+                  title: 'Zurücksetzen?',
+                  content: 'Alle Einträge werden entfernt.',
+                  confirmButton: 'Zurücksetzen',
                  onConfirm: () {
                    grades.clear();
                    setState(() {});
@@ -109,7 +109,7 @@ class _GradeAverageState extends State<GradeAverage> {
                children: [
                  Icon(e ? Icons.calculate_outlined : Icons.school_outlined, color: Theme.of(context).colorScheme.onSurface),
                  const SizedBox(width: 15),
-                  Text(e ? "Notensystem" : "Punktesystem"),
+                  Text(e ? 'Notensystem' : 'Punktesystem'),
                ],
              ),
            )).toList(),
@@ -120,9 +120,9 @@ class _GradeAverageState extends State<GradeAverage> {
                showDialog(
                  context: context,
                  builder: (context) => ConfirmDialog(
-                    title: "Notensystem wechseln",
-                    content: "Beim wechsel des Notensystems werden alle Einträge zurückgesetzt.",
-                    confirmButton: "Fortfahren",
+                    title: 'Notensystem wechseln',
+                    content: 'Beim wechsel des Notensystems werden alle Einträge zurückgesetzt.',
+                    confirmButton: 'Fortfahren',
                    onConfirm: () => switchSystem(e),
                  ),
                );
@@ -142,7 +142,7 @@ class _GradeAverageState extends State<GradeAverage> {
          const SizedBox(height: 10),
          const Divider(),
          const SizedBox(height: 10),
-          Text(gradeSystem ? "Wähle unten die Anzahl deiner jewiligen Noten aus" : "Wähle unten die Anzahl deiner jeweiligen Punkte aus"),
+          Text(gradeSystem ? 'Wähle unten die Anzahl deiner jewiligen Noten aus' : 'Wähle unten die Anzahl deiner jeweiligen Punkte aus'),
          const SizedBox(height: 10),
          Expanded(
            child: ListView.builder(
@@ -169,7 +169,7 @@ class _GradeAverageState extends State<GradeAverage> {
                            icon: const Icon(Icons.remove),
                            color: Theme.of(context).colorScheme.onSurface,
                          ),
-                          Text("${grades.where(isThis).length}", style: const TextStyle(fontSize: 15, fontWeight: FontWeight.bold)),
+                          Text('${grades.where(isThis).length}', style: const TextStyle(fontSize: 15, fontWeight: FontWeight.bold)),
                          IconButton(
                            onPressed: () {
                              setState(() {
--- a/lib/view/pages/more/holidays/holidays.dart
+++ b/lib/view/pages/more/holidays/holidays.dart
@@ -42,23 +42,23 @@ class _HolidaysState extends State<Holidays> {
  }

  String parseString(String enDate) {
-    return Jiffy.parse(enDate).format(pattern: "dd.MM.yyyy");
+    return Jiffy.parse(enDate).format(pattern: 'dd.MM.yyyy');
  }

  void showDisclaimer() {
    showDialog(context: context, builder: (context) {
      return AlertDialog(
-        title: const Text("Richtigkeit und Bereitstellung der Daten"),
+        title: const Text('Richtigkeit und Bereitstellung der Daten'),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
-            const Text(""
-                "Sämtliche Datumsangaben sind ohne Gewähr.\n"
-                "Ich übernehme weder Verantwortung für die Richtigkeit der Daten noch hafte ich für wirtschaftliche Schäden die aus der Verwendung dieser Daten entstehen können.\n\n"
-                "Die Daten stammen von https://ferien-api.de/"),
+            const Text(''
+                'Sämtliche Datumsangaben sind ohne Gewähr.\n'
+                'Ich übernehme weder Verantwortung für die Richtigkeit der Daten noch hafte ich für wirtschaftliche Schäden die aus der Verwendung dieser Daten entstehen können.\n\n'
+                'Die Daten stammen von https://ferien-api.de/'),
            const SizedBox(height: 30),
            ListTile(
-              title: const Text("Diese Meldung nicht mehr anzeigen"),
+              title: const Text('Diese Meldung nicht mehr anzeigen'),
              trailing: Checkbox(
                value: settings.val().holidaysSettings.dismissedDisclaimer,
                onChanged: (value) => settings.val(write: true).holidaysSettings.dismissedDisclaimer = value!,
@@ -67,8 +67,8 @@ class _HolidaysState extends State<Holidays> {
          ],
        ),
        actions: [
-          TextButton(child: const Text("ferien-api.de besuchen"), onPressed: () => ConfirmDialog.openBrowser(context, "https://ferien-api.de/")),
-          TextButton(child: const Text("Okay"), onPressed: () => Navigator.of(context).pop()),
+          TextButton(child: const Text('ferien-api.de besuchen'), onPressed: () => ConfirmDialog.openBrowser(context, 'https://ferien-api.de/')),
+          TextButton(child: const Text('Okay'), onPressed: () => Navigator.of(context).pop()),
        ],
      );
    });
@@ -78,11 +78,11 @@ class _HolidaysState extends State<Holidays> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
-        title: const Text("Schulferien in Hessen"),
+        title: const Text('Schulferien in Hessen'),
        actions: [
          IconButton(
            icon: const Icon(Icons.warning_amber_outlined),
-            onPressed: () => showDisclaimer(),
+            onPressed: showDisclaimer,
          ),
          PopupMenuButton<bool>(
            initialValue: settings.val().holidaysSettings.showPastEvents,
@@ -95,7 +95,7 @@ class _HolidaysState extends State<Holidays> {
                    children: [
                      Icon(e ? Icons.history_outlined : Icons.history_toggle_off_outlined, color: Theme.of(context).colorScheme.onSurface),
                      const SizedBox(width: 15),
-                      Text(e ? "Alle anzeigen" : "Nur zukünftige anzeigen")
+                      Text(e ? 'Alle anzeigen' : 'Nur zukünftige anzeigen')
                    ],
                  )
              )).toList();
@@ -115,19 +115,19 @@ class _HolidaysState extends State<Holidays> {
        List<GetHolidaysResponseObject> holidays = value.getHolidaysResponse.data;
        if(!showPastEvents) holidays = holidays.where((element) => DateTime.parse(element.end).isAfter(DateTime.now())).toList();

-        if(holidays.isEmpty) return const PlaceholderView(icon: Icons.search_off, text: "Es wurden keine Ferieneinträge gefunden!");
+        if(holidays.isEmpty) return const PlaceholderView(icon: Icons.search_off, text: 'Es wurden keine Ferieneinträge gefunden!');

        return ListView.builder(
            itemCount: holidays.length,
            itemBuilder: (context, index) {
              GetHolidaysResponseObject holiday = holidays[index];
-              String holidayType = holiday.name.split(" ").first.capitalize();
+              String holidayType = holiday.name.split(' ').first.capitalize();
              return ListTile(
                leading: const CenteredLeading(Icon(Icons.calendar_month)),
-                title: Text("$holidayType ab ${parseString(holiday.start)}"),
-                subtitle: Text("bis ${parseString(holiday.end)}"),
+                title: Text('$holidayType ab ${parseString(holiday.start)}'),
+                subtitle: Text('bis ${parseString(holiday.end)}'),
                onTap: () => showDialog(context: context, builder: (context) => SimpleDialog(
-                  title: Text("$holidayType ${holiday.year} in Hessen"),
+                  title: Text('$holidayType ${holiday.year} in Hessen'),
                  children: [
                    ListTile(
                      leading: const CenteredLeading(Icon(Icons.signpost_outlined)),
@@ -136,11 +136,11 @@ class _HolidaysState extends State<Holidays> {
                    ),
                    ListTile(
                      leading: const Icon(Icons.arrow_forward),
-                      title: Text("vom ${parseString(holiday.start)}"),
+                      title: Text('vom ${parseString(holiday.start)}'),
                    ),
                    ListTile(
                      leading: const Icon(Icons.arrow_back),
-                      title: Text("bis zum ${parseString(holiday.end)}"),
+                      title: Text('bis zum ${parseString(holiday.end)}'),
                    ),
                    Visibility(
                      visible: !DateTime.parse(holiday.start).difference(DateTime.now()).isNegative,
--- a/lib/view/pages/more/message/message.dart
+++ b/lib/view/pages/more/message/message.dart
@@ -27,7 +27,7 @@ class _MessageState extends State<Message> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
-        title: const Text("Marianum Message"),
+        title: const Text('Marianum Message'),
      ),
      body: Consumer<MessageProps>(builder: (context, value, child) {
        if(value.primaryLoading()) return const LoadingSpinner();
@@ -43,7 +43,7 @@ class _MessageState extends State<Message> {
                    children: [Icon(Icons.newspaper)],
                  ),
                  title: Text(message.name, overflow: TextOverflow.ellipsis),
-                  subtitle: Text("vom ${message.date}"),
+                  subtitle: Text('vom ${message.date}'),
                  trailing: const Icon(Icons.arrow_right),
                  onTap: () {
                    Navigator.push(context, MaterialPageRoute(builder: (context) => MessageView(basePath: value.getMessagesResponse.base, message: message)));
--- a/lib/view/pages/more/message/messageView.dart
+++ b/lib/view/pages/more/message/messageView.dart
@@ -29,12 +29,12 @@ class _MessageViewState extends State<MessageView> {
          Navigator.of(context).pop();
          showDialog(context: context, builder: (context) {
            return AlertDialog(
-              title: const Text("Fehler beim öffnen"),
+              title: const Text('Fehler beim öffnen'),
              content: Text("Dokument '${widget.message.name}' konnte nicht geladen werden:\n${e.description}"),
              actions: [
                TextButton(onPressed: () {
                  Navigator.of(context).pop();
-                }, child: const Text("Ok"))
+                }, child: const Text('Ok'))
              ],
            );
          });
@@ -43,9 +43,9 @@ class _MessageViewState extends State<MessageView> {
          showDialog(
            context: context,
            builder: (context) => ConfirmDialog(
-              title: "Link öffnen",
-              content: "Möchtest du den folgenden Link öffnen?\n${e.uri}",
-              confirmButton: "Öffnen",
+              title: 'Link öffnen',
+              content: 'Möchtest du den folgenden Link öffnen?\n${e.uri}',
+              confirmButton: 'Öffnen',
              onConfirm: () => launchUrl(Uri.parse(e.uri), mode: LaunchMode.externalApplication),
            ),
          );
--- a/lib/view/pages/more/roomplan/roomplan.dart
+++ b/lib/view/pages/more/roomplan/roomplan.dart
@@ -8,10 +8,10 @@ class Roomplan extends StatelessWidget {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
-        title: const Text("Raumplan"),
+        title: const Text('Raumplan'),
      ),
      body: PhotoView(
-        imageProvider: Image.asset("assets/img/raumplan.jpg").image,
+        imageProvider: Image.asset('assets/img/raumplan.jpg').image,
        minScale: 0.5,
        maxScale: 2.0,
        backgroundDecoration: BoxDecoration(color: Theme.of(context).colorScheme.background),
--- a/lib/view/pages/more/share/qrShareView.dart
+++ b/lib/view/pages/more/share/qrShareView.dart
@@ -16,18 +16,18 @@ class _QrShareViewState extends State<QrShareView> {
      length: 2,
      child: Scaffold(
        appBar: AppBar(
-          title: const Text("Teile die App"),
+          title: const Text('Teile die App'),
          bottom: const TabBar(
            tabs: [
-              Tab(icon: Icon(Icons.android_outlined), text: "Android"),
-              Tab(icon: Icon(Icons.apple_outlined), text: "iOS & iPadOS"),
+              Tab(icon: Icon(Icons.android_outlined), text: 'Android'),
+              Tab(icon: Icon(Icons.apple_outlined), text: 'iOS & iPadOS'),
            ],
          ),
        ),
        body: const TabBarView(
          children: [
-            AppSharePlatformView("Für Android", "https://play.google.com/store/apps/details?id=eu.mhsl.marianum.mobile.client"),
-            AppSharePlatformView("Für iOS & iPad", "https://apps.apple.com/us/app/marianum-fulda/id6458789560"),
+            AppSharePlatformView('Für Android', 'https://play.google.com/store/apps/details?id=eu.mhsl.marianum.mobile.client'),
+            AppSharePlatformView('Für iOS & iPad', 'https://apps.apple.com/us/app/marianum-fulda/id6458789560'),
          ],
        ),
      ),
--- a/lib/view/pages/more/share/selectShareTypeDialog.dart
+++ b/lib/view/pages/more/share/selectShareTypeDialog.dart
@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:loader_overlay/loader_overlay.dart';
 import 'package:share_plus/share_plus.dart';

 import '../../../../widget/sharePositionOrigin.dart';
@@ -10,34 +9,32 @@ class SelectShareTypeDialog extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
-    return LoaderOverlay(
-      child: SimpleDialog(
-        children: [
-          ListTile(
-            leading: const Icon(Icons.qr_code_2_outlined),
-            title: const Text("Per QR-Code"),
-            trailing: const Icon(Icons.arrow_right),
-            onTap: () {
-              Navigator.of(context).push(MaterialPageRoute(builder: (context) => const QrShareView()));
-            },
-          ),
-          ListTile(
-            leading: const Icon(Icons.link_outlined),
-            title: const Text("Per Link teilen"),
-            trailing: const Icon(Icons.arrow_right),
-            onTap: () {
-              Share.share(
-                  sharePositionOrigin: SharePositionOrigin.get(context),
-                  subject: "App Teilen",
-                  "Hol dir die für das Marianum maßgeschneiderte App:"
-                      "\n\nAndroid: https://play.google.com/store/apps/details?id=eu.mhsl.marianum.mobile.client "
-                      "\niOS: https://apps.apple.com/us/app/marianum-fulda/id6458789560 "
-                      "\n\nViel Spaß!"
-              );
-            },
-          )
-        ],
-      ),
+    return SimpleDialog(
+      children: [
+        ListTile(
+          leading: const Icon(Icons.qr_code_2_outlined),
+          title: const Text('Per QR-Code'),
+          trailing: const Icon(Icons.arrow_right),
+          onTap: () {
+            Navigator.of(context).push(MaterialPageRoute(builder: (context) => const QrShareView()));
+          },
+        ),
+        ListTile(
+          leading: const Icon(Icons.link_outlined),
+          title: const Text('Per Link teilen'),
+          trailing: const Icon(Icons.arrow_right),
+          onTap: () {
+            Share.share(
+                sharePositionOrigin: SharePositionOrigin.get(context),
+                subject: 'App Teilen',
+                'Hol dir die für das Marianum maßgeschneiderte App:'
+                    '\n\nAndroid: https://play.google.com/store/apps/details?id=eu.mhsl.marianum.mobile.client '
+                    '\niOS: https://apps.apple.com/us/app/marianum-fulda/id6458789560 '
+                    '\n\nViel Spaß!'
+            );
+          },
+        )
+      ],
    );
  }
 }
--- a/lib/view/pages/overhang.dart
+++ b/lib/view/pages/overhang.dart
@@ -1,12 +1,16 @@

-import 'package:feedback/feedback.dart';
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:in_app_review/in_app_review.dart';
+import '../../extensions/renderNotNull.dart';
+import 'package:persistent_bottom_nav_bar_v2/persistent_bottom_nav_bar_v2.dart';
+
 import '../../widget/ListItem.dart';
 import '../../widget/centeredLeading.dart';
 import '../../widget/infoDialog.dart';
 import '../settings/settings.dart';
-import 'more/feedback/feedbackSender.dart';
+import 'more/feedback/feedbackDialog.dart';
 import 'more/gradeAverages/gradeAverage.dart';
 import 'more/holidays/holidays.dart';
 import 'more/message/message.dart';
@@ -21,21 +25,22 @@ class Overhang extends StatelessWidget {

    return Scaffold(
      appBar: AppBar(
-        title: const Text("Mehr"),
+        title: const Text('Mehr'),
        actions: [
-          IconButton(onPressed: () => Navigator.of(context).push(MaterialPageRoute(builder: (context) => const Settings())), icon: const Icon(Icons.settings))
+          IconButton(onPressed: () => pushScreen(context, screen: const Settings(), withNavBar: false), icon: const Icon(Icons.settings))
        ],
      ),
      body: ListView(
        children: [
-          const ListItemNavigator(icon: Icons.newspaper, text: "Marianum Message", target: Message()),
-          const ListItemNavigator(icon: Icons.room, text: "Raumplan", target: Roomplan()),
-          const ListItemNavigator(icon: Icons.calculate, text: "Notendurschnittsrechner", target: GradeAverage()),
-          const ListItemNavigator(icon: Icons.calendar_month, text: "Schulferien", target: Holidays()),
+          const ListItemNavigator(icon: Icons.newspaper, text: 'Marianum Message', target: Message()),
+          const ListItemNavigator(icon: Icons.room, text: 'Raumplan', target: Roomplan()),
+          const ListItemNavigator(icon: Icons.calculate, text: 'Notendurschnittsrechner', target: GradeAverage()),
+          const ListItemNavigator(icon: Icons.calendar_month, text: 'Schulferien', target: Holidays()),
          const Divider(),
          ListTile(
            leading: const Icon(Icons.share_outlined),
-            title: const Text("Teile die App"),
+            title: const Text('Teile die App'),
+            subtitle: const Text('Mit Freunden und deiner Klasse teilen'),
            trailing: const Icon(Icons.arrow_right),
            onTap: () => showDialog(context: context, builder: (context) => const SelectShareTypeDialog())
          ),
@@ -44,30 +49,32 @@ class Overhang extends StatelessWidget {
            builder: (context, snapshot) {
              if(!snapshot.hasData) return const SizedBox.shrink();

-              return Visibility(
-                visible: snapshot.requireData,
-                child: ListTile(
-                  leading: const CenteredLeading(Icon(Icons.star_rate_outlined)),
-                  title: const Text("App Bewerten"),
-                  trailing: const Icon(Icons.arrow_right),
-                  onTap: () {
-                    InAppReview.instance.openStoreListing(appStoreId: "6458789560").then(
-                      (value) => InfoDialog.show(context, "Vielen Dank!"),
+              String? getPlatformStoreName() {
+                if(Platform.isAndroid) return 'Play store';
+                if(Platform.isIOS) return 'App store';
+                return null;
+              }
+
+              return ListTile(
+                leading: const CenteredLeading(Icon(Icons.star_rate_outlined)),
+                title: const Text('App bewerten'),
+                subtitle: getPlatformStoreName().wrapNullable((data) => Text('Im $data')),
+                trailing: const Icon(Icons.arrow_right),
+                onTap: () {
+                  InAppReview.instance.openStoreListing(appStoreId: '6458789560').then(
+                          (value) => InfoDialog.show(context, 'Vielen Dank!'),
                      onError: (error) => InfoDialog.show(context, error.toString())
-                    );
-                  },
-                ),
+                  );
+                },
              );
            },
          ),
          ListTile(
            leading: const CenteredLeading(Icon(Icons.feedback_outlined)),
-            title: const Text("Du hast eine Idee?"),
-            subtitle: const Text("Fehler und Verbessungsvorschläge"),
+            title: const Text('Du hast eine Idee?'),
+            subtitle: const Text('Fehler und Verbessungsvorschläge'),
            trailing: const Icon(Icons.arrow_right),
-            onTap: () {
-              BetterFeedback.of(context).show((UserFeedback feedback) => FeedbackSender.send(context, feedback));
-            },
+            onTap: () => showDialog(context: context, barrierDismissible: false, builder: (context) => const FeedbackDialog()),
          ),
        ],
      ),
--- a/lib/view/pages/talk/chatDetails/chatInfo.dart
+++ b/lib/view/pages/talk/chatDetails/chatInfo.dart
@@ -66,7 +66,7 @@ class _ChatInfoState extends State<ChatInfo> {
            if(participants != null) ...[
              ListTile(
                leading: const Icon(Icons.supervised_user_circle),
-                title: Text("${participants!.data.length} Teilnehmer"),
+                title: Text('${participants!.data.length} Teilnehmer'),
                trailing: const Icon(Icons.arrow_right),
                onTap: () => TalkNavigator.pushSplitView(context, ParticipantsListView(participants!)),
              ),
--- a/lib/view/pages/talk/chatDetails/participants/participantsListView.dart
+++ b/lib/view/pages/talk/chatDetails/participants/participantsListView.dart
@@ -16,7 +16,7 @@ class _ParticipantsListViewState extends State<ParticipantsListView> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
-        title: const Text("Teilnehmende"),
+        title: const Text('Teilnehmende'),
      ),
      body: ListView(
        children: widget.participantsResponse.data.map((participant) {
--- a/lib/view/pages/talk/chatList.dart
+++ b/lib/view/pages/talk/chatList.dart
@@ -40,9 +40,9 @@ class _ChatListState extends State<ChatList> {

        ConfirmDialog(
          icon: Icons.notifications_active_outlined,
-          title: "Benachrichtigungen aktivieren",
-          content: "Auf wunsch kannst du Push-Benachrichtigungen aktivieren. Deine Einstellungen kannst du jederzeit ändern.",
-          confirmButton: "Weiter",
+          title: 'Benachrichtigungen aktivieren',
+          content: 'Auf wunsch kannst du Push-Benachrichtigungen aktivieren. Deine Einstellungen kannst du jederzeit ändern.',
+          confirmButton: 'Weiter',
          onConfirm: () {
            FirebaseMessaging.instance.requestPermission(
                provisional: false
@@ -53,7 +53,7 @@ class _ChatListState extends State<ChatList> {
                  break;
                case AuthorizationStatus.denied:
                  showDialog(context: context, builder: (context) => const AlertDialog(
-                    content: Text("Du kannst die Benachrichtigungen später jederzeit in den App-Einstellungen aktivieren."),
+                    content: Text('Du kannst die Benachrichtigungen später jederzeit in den App-Einstellungen aktivieren.'),
                  ));
                  break;
                default:
@@ -79,7 +79,7 @@ class _ChatListState extends State<ChatList> {
      breakpoint: 1000,
      child: Scaffold(
        appBar: AppBar(
-          title: const Text("Talk"),
+          title: const Text('Talk'),
          actions: [
            IconButton(
              icon: const Icon(Icons.search),
@@ -91,16 +91,16 @@ class _ChatListState extends State<ChatList> {
          ],
        ),
        floatingActionButton: FloatingActionButton(
-          heroTag: "createChat",
+          heroTag: 'createChat',
          backgroundColor: Theme.of(context).primaryColor,
          onPressed: () async {
            showSearch(context: context, delegate: JoinChat()).then((username) {
              if(username == null) return;

              ConfirmDialog(
-                title: "Chat starten",
+                title: 'Chat starten',
                content: "Möchtest du einen Chat mit Nutzer '$username' starten?",
-                confirmButton: "Chat starten",
+                confirmButton: 'Chat starten',
                onConfirm: () {
                  CreateRoom(CreateRoomParams(
                    roomType: 1,
@@ -136,7 +136,10 @@ class _ChatListState extends State<ChatList> {
                _query(renew: true);
                return Future.delayed(const Duration(seconds: 3));
              },
-              child: ListView(children: chats),
+              child: ListView(
+                padding: EdgeInsets.zero,
+                children: chats
+              ),
            );
          },
        ),
--- a/lib/view/pages/talk/chatView.dart
+++ b/lib/view/pages/talk/chatView.dart
@@ -1,7 +1,6 @@

 import 'package:flutter/material.dart';
-import 'package:loader_overlay/loader_overlay.dart';
-import 'package:marianum_mobile/extensions/dateTime.dart';
+import '../../../extensions/dateTime.dart';
 import 'package:provider/provider.dart';

 import '../../../api/marianumcloud/talk/chat/getChatResponse.dart';
@@ -52,8 +51,8 @@ class _ChatViewState extends State<ChatView> {
          data.getChatResponse.sortByTimestamp().forEach((element) {
            DateTime elementDate = DateTime.fromMillisecondsSinceEpoch(element.timestamp * 1000);

-            if(element.systemMessage.contains("reaction")) return;
-            int commonRead = int.parse(data.getChatResponse.headers?['x-chat-last-common-read'] ?? "0");
+            if(element.systemMessage.contains('reaction')) return;
+            int commonRead = int.parse(data.getChatResponse.headers?['x-chat-last-common-read'] ?? '0');

            if(!elementDate.isSameDay(lastDate)) {
              lastDate = elementDate;
@@ -82,8 +81,8 @@ class _ChatViewState extends State<ChatView> {
              context: context,
              isSender: false,
              bubbleData: GetChatResponseObject.getTextDummy(
-                  "Zurzeit können in dieser App nur die letzten 200 vergangenen Nachrichten angezeigt werden. "
-                  "Um ältere Nachrichten abzurufen verwende die Webversion unter https://cloud.marianum-fulda.de"
+                  'Zurzeit können in dieser App nur die letzten 200 vergangenen Nachrichten angezeigt werden. '
+                  'Um ältere Nachrichten abzurufen verwende die Webversion unter https://cloud.marianum-fulda.de'
              ),
              chatData: widget.room,
              refetch: _query,
@@ -92,6 +91,7 @@ class _ChatViewState extends State<ChatView> {
        }

        return Scaffold(
+          backgroundColor: const Color(0xffefeae2),
          appBar: ClickableAppBar(
            onTap: () {
              TalkNavigator.pushSplitView(context, ChatInfo(widget.room));
@@ -111,30 +111,31 @@ class _ChatViewState extends State<ChatView> {
          body: Container(
            decoration: BoxDecoration(
              image: DecorationImage(
-                image: const AssetImage("assets/background/chat.png"),
+                image: const AssetImage('assets/background/chat.png'),
                scale: 1.5,
                opacity: 1,
                repeat: ImageRepeat.repeat,
                invertColors: AppTheme.isDarkMode(context)
              )
            ),
-            child: LoaderOverlay(
-              child: data.primaryLoading() ? const LoadingSpinner() : Column(
-                children: [
-                  Expanded(
-                    child: ListView(
-                      reverse: true,
-                      controller: _listController,
-                      children: messages.reversed.toList(),
-                    ),
+            child: data.primaryLoading() ? const LoadingSpinner() : Column(
+              children: [
+                Expanded(
+                  child: ListView(
+                    reverse: true,
+                    controller: _listController,
+                    children: messages.reversed.toList(),
                  ),
-                  Container(
-                    color: Theme.of(context).colorScheme.background,
-                    child: SafeArea(child: ChatTextfield(widget.room.token)),
-                  )
-                ],
-              ),
-            )
+                ),
+                Container(
+                  color: Theme.of(context).colorScheme.background,
+                  child: TalkNavigator.isSecondaryVisible(context)
+                      ? ChatTextfield(widget.room.token)
+                      : SafeArea(child: ChatTextfield(widget.room.token)
+                  ),
+                )
+              ],
+            ),
          ),
        );
      },
--- a/lib/view/pages/talk/components/chatBubble.dart
+++ b/lib/view/pages/talk/components/chatBubble.dart
@@ -5,7 +5,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:jiffy/jiffy.dart';
-import 'package:marianum_mobile/extensions/text.dart';
+import '../../../../extensions/text.dart';
 import 'package:provider/provider.dart';

 import '../../../../api/marianumcloud/talk/chat/getChatResponse.dart';
@@ -114,7 +114,7 @@ class _ChatBubbleState extends State<ChatBubble> {
    );

    Text timeText = Text(
-      Jiffy.parseFromMillisecondsSinceEpoch(widget.bubbleData.timestamp * 1000).format(pattern: "HH:mm"),
+      Jiffy.parseFromMillisecondsSinceEpoch(widget.bubbleData.timestamp * 1000).format(pattern: 'HH:mm'),
      textAlign: TextAlign.end,
      style: TextStyle(color: widget.timeIconColor, fontSize: widget.timeIconSize),
    );
@@ -184,7 +184,7 @@ class _ChatBubbleState extends State<ChatBubble> {
          ),
          onLongPress: () {
            showDialog(context: context, builder: (context) {
-              List<String> commonReactions = ["👍", "👎", "😆", "❤️", "👀", "🤔"];
+              List<String> commonReactions = ['👍', '👎', '😆', '❤️', '👀', '🤔'];
              bool canReact = widget.bubbleData.messageType == GetRoomResponseObjectMessageType.comment;
              return SimpleDialog(
                children: [
@@ -222,7 +222,7 @@ class _ChatBubbleState extends State<ChatBubble> {
                    visible: canReact,
                    child: ListTile(
                      leading: const Icon(Icons.add_reaction_outlined),
-                      title: const Text("Reaktionen"),
+                      title: const Text('Reaktionen'),
                      onTap: () {
                        Navigator.of(context).push(MaterialPageRoute(builder: (context) => MessageReactions(
                          token: widget.chatData.token,
@@ -235,7 +235,7 @@ class _ChatBubbleState extends State<ChatBubble> {
                    visible: !message.containsFile,
                    child: ListTile(
                      leading: const Icon(Icons.copy),
-                      title: const Text("Nachricht kopieren"),
+                      title: const Text('Nachricht kopieren'),
                      onTap: () => {
                        Clipboard.setData(ClipboardData(text: widget.bubbleData.message)),
                        Navigator.of(context).pop(),
@@ -256,7 +256,7 @@ class _ChatBubbleState extends State<ChatBubble> {
                    visible: widget.isSender && DateTime.fromMillisecondsSinceEpoch(widget.bubbleData.timestamp * 1000).add(const Duration(hours: 6)).isAfter(DateTime.now()),
                    child: ListTile(
                      leading: const Icon(Icons.delete_outline),
-                      title: const Text("Nachricht löschen"),
+                      title: const Text('Nachricht löschen'),
                      onTap: () {
                        DeleteMessage(widget.chatData.token, widget.bubbleData.id).run().then((value) {
                          Provider.of<ChatProps>(context, listen: false).run();
@@ -276,12 +276,12 @@ class _ChatBubbleState extends State<ChatBubble> {
            if(downloadProgress > 0) {
              showDialog(context: context, builder: (context) {
                return AlertDialog(
-                  title: const Text("Download abbrechen?"),
-                  content: const Text("Möchtest du den Download abbrechen?"),
+                  title: const Text('Download abbrechen?'),
+                  content: const Text('Möchtest du den Download abbrechen?'),
                  actions: [
                    TextButton(onPressed: () {
                      Navigator.of(context).pop();
-                    }, child: const Text("Nein")),
+                    }, child: const Text('Nein')),
                    TextButton(onPressed: () {
                      downloadCore?.then((value) {
                        if(!value.isCancelled) value.cancel();
@@ -291,7 +291,7 @@ class _ChatBubbleState extends State<ChatBubble> {
                        downloadProgress = 0;
                        downloadCore = null;
                      });
-                    }, child: const Text("Ja, Abbrechen"))
+                    }, child: const Text('Ja, Abbrechen'))
                  ],
                );
              });
@@ -336,7 +336,7 @@ class _ChatBubbleState extends State<ChatBubble> {
                  return Container(
                    margin: const EdgeInsets.only(right: 2.5, left: 2.5),
                    child: ActionChip(
-                      label: Text("${e.key} ${e.value}"),
+                      label: Text('${e.key} ${e.value}'),
                      visualDensity: const VisualDensity(vertical: VisualDensity.minimumDensity, horizontal: VisualDensity.minimumDensity),
                      padding: EdgeInsets.zero,
                      backgroundColor: hasSelfReacted ? Theme.of(context).primaryColor : null,
--- a/lib/view/pages/talk/components/chatMessage.dart
+++ b/lib/view/pages/talk/components/chatMessage.dart
@@ -14,14 +14,14 @@ class ChatMessage {
  Map<String, RichObjectString>? originalData;

  RichObjectString? file;
-  String content = "";
+  String content = '';

  bool get containsFile => file != null;

  ChatMessage({required this.originalMessage, this.originalData}) {
-    if(originalData?.containsKey("file") ?? false) {
+    if(originalData?.containsKey('file') ?? false) {
      file = originalData?['file'];
-      content = file?.name ?? "Datei";
+      content = file?.name ?? 'Datei';
    } else {
      content = RichObjectStringProcessor.parseToString(originalMessage, originalData);
    }
@@ -56,7 +56,7 @@ class ChatMessage {
      fadeInDuration: Duration.zero,
      fadeOutDuration: Duration.zero,
      errorListener: (value) {},
-      imageUrl: "https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/index.php/core/preview?fileId=${file!.id}&x=100&y=-1&a=1",
+      imageUrl: 'https://${AccountData().buildHttpAuthString()}@${EndpointData().nextcloud().full()}/index.php/core/preview?fileId=${file!.id}&x=100&y=-1&a=1',
    );
  }

--- a/lib/view/pages/talk/components/chatTextfield.dart
+++ b/lib/view/pages/talk/components/chatTextfield.dart
@@ -41,9 +41,9 @@ class _ChatTextfieldState extends State<ChatTextfield> {
    }

    String filename = "${path.split("/").last.split(".").first}-${const Uuid().v4()}.${path.split(".").last}";
-    String shareFolder = "MarianumMobile";
+    String shareFolder = 'MarianumMobile';
    WebdavApi.webdav.then((webdav) {
-      webdav.mkcol(PathUri.parse("/$shareFolder"));
+      webdav.mkcol(PathUri.parse('/$shareFolder'));
    });

    showDialog(context: context, builder: (context) => FileUploadDialog(
@@ -55,7 +55,7 @@ class _ChatTextfieldState extends State<ChatTextfield> {
        FileSharingApi().share(FileSharingApiParams(
          shareType: 10,
          shareWith: widget.sendToToken,
-          path: "$shareFolder/$filename",
+          path: '$shareFolder/$filename',
        )).then((value) => _query());
      },
    ), barrierDismissible: false);
@@ -77,7 +77,7 @@ class _ChatTextfieldState extends State<ChatTextfield> {

  @override
  Widget build(BuildContext context) {
-    _textBoxController.text = settings.val().talkSettings.drafts[widget.sendToToken] ?? "";
+    _textBoxController.text = settings.val().talkSettings.drafts[widget.sendToToken] ?? '';

    return Stack(
      children: <Widget>[
@@ -95,12 +95,10 @@ class _ChatTextfieldState extends State<ChatTextfield> {
                        children: [
                          ListTile(
                            leading: const Icon(Icons.file_open),
-                            title: const Text("Aus Dateien auswählen"),
+                            title: const Text('Aus Dateien auswählen'),
                            onTap: () {
                              context.loaderOverlay.show();
-                              FilePick.documentPick().then((value) {
-                                mediaUpload(value);
-                              });
+                              FilePick.documentPick().then(mediaUpload);
                              Navigator.of(context).pop();
                            },
                          ),
@@ -108,7 +106,7 @@ class _ChatTextfieldState extends State<ChatTextfield> {
                            visible: !Platform.isIOS,
                            child: ListTile(
                              leading: const Icon(Icons.image),
-                              title: const Text("Aus Gallerie auswählen"),
+                              title: const Text('Aus Gallerie auswählen'),
                              onTap: () {
                                context.loaderOverlay.show();
                                FilePick.galleryPick().then((value) {
@@ -147,12 +145,12 @@ class _ChatTextfieldState extends State<ChatTextfield> {
                    maxLines: 7,
                    minLines: 1,
                    decoration: const InputDecoration(
-                      hintText: "Nachricht schreiben...",
+                      hintText: 'Nachricht schreiben...',
                      border: InputBorder.none,
                    ),
                    onChanged: (String text) {
-                      if(text.trim().toLowerCase() == "marbot marbot marbot") {
-                        var newText = "Roboter sind cool und so, aber Marbots sind besser!";
+                      if(text.trim().toLowerCase() == 'marbot marbot marbot') {
+                        var newText = 'Roboter sind cool und so, aber Marbots sind besser!';
                        _textBoxController.text = newText;
                        text = newText;
                      }
@@ -175,8 +173,8 @@ class _ChatTextfieldState extends State<ChatTextfield> {
                      setState(() {
                        isLoading = false;
                      });
-                      _textBoxController.text = "";
-                      setDraft("");
+                      _textBoxController.text = '';
+                      setDraft('');
                    });
                  },
                  backgroundColor: Theme.of(context).primaryColor,
--- a/Show More
+++ b/Show More