Google sign in and hourglass improved

lib/NewTask.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_datetime_picker/flutter_datetime_picker.dart';
 import 'package:intl/intl.dart';
+import 'package:tasktracker/NewCategory.dart';
 import 'User.dart' as User;
 
 DateFormat dateFormat = DateFormat("yyyy-MM-dd HH:mm:ss");
@@ -15,6 +16,7 @@ class NewTask extends StatefulWidget {
 
 List<String> getCategoryNames(){
   List<String> _cats = [];
+  _cats.add('+Add New Category');
   User.categories.forEach((element) {
     String name = element.name;
     _cats.add(name);
@@ -84,8 +86,15 @@ class _NewTaskState extends State<NewTask> {
                                           );
                                         }).toList(),
                                         onChanged: (String? _value) {
+                                          if(_value != null) {
+                                            if (_value.contains("+Add New Category")) {
+                                              Navigator.of(context).push(MaterialPageRoute(builder: (context)=>NewCategory()));
+                                            }else{
+                                              selectedCat = _value!;
+                                            }
+                                          }
                                           setState(() {
-                                            selectedCat = _value!;
+
                                           });
                                         })),
                                 Container(