Settings page added

lib/User.dart

@@ -23,6 +23,7 @@ List<TaskType> taskTypes = [];
 List<Activity> activities=[];
 bool offline = true;
 bool registered = false;
+bool refreshing = true;
 Future<http.Response> login(String _username, String password) async {
   final prefs = await SharedPreferences.getInstance();
 
@@ -64,6 +65,7 @@ Future<void> initUserData() async {
 bool userDataInitiated =false;
 Future<void> refreshUserData() async{
   ShowProgress("Loading data");
+  refreshing = true;
   // categories= await GetCategories(true);
   // taskTypes= await GetTaskTypes(true);
   // activities= await GetActivities(true);
@@ -71,6 +73,7 @@ Future<void> refreshUserData() async{
   await updateTasksList();
   await updateActList();
   userDataInitiated=true;
+  refreshing = false;
   HideProgress();
 }