Added route for the new task screen, changed the [NewItemDialogButton] to use the onTap method passed to it instead of a dummy one

lib/src/App.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 
 import 'screens/home_screen.dart';
-import 'screens/login_screen.dart';
 import 'screens/initial_loading_screen.dart';
+import 'screens/login_screen.dart';
+import 'screens/new_task_screen.dart';
 
 class App extends StatelessWidget {
   Widget build(BuildContext context) {
@@ -36,9 +37,17 @@ class App extends StatelessWidget {
         },
       );
     } else if (routeTokens.first == 'home') {
-      return MaterialPageRoute(builder: (BuildContext context) {
-        return HomeScreen();
-      });
+      return MaterialPageRoute(
+        builder: (BuildContext context) {
+          return HomeScreen();
+        },
+      );
+    } else if (routeTokens.first == 'newTask') {
+      return MaterialPageRoute(
+        builder: (BuildContext context) {
+          return NewTaskScreen();
+        },
+      );
     }
   }
 }

lib/src/screens/new_task_screen.dart

@@ -1,10 +1,16 @@
 import 'package:flutter/material.dart';
 
+import '../blocs/new_task_bloc.dart';
+
 class NewTaskScreen extends StatefulWidget {
   @override
   State<NewTaskScreen> createState() => _NewTaskScreenState();
 }
 
 class _NewTaskScreenState extends State<NewTaskScreen> {
-  Widget build(BuildContext context) {}
+  final NewTaskBloc bloc = NewTaskBloc();
+
+  Widget build(BuildContext context) {
+    return Scaffold();
+  }
 }

lib/src/widgets/new_item_dialog_button.dart

@@ -10,9 +10,9 @@ class NewItemDialogButton extends StatelessWidget {
   final String label;
 
   NewItemDialogButton({
-    this.onTap,
+    @required this.onTap,
     this.label = '',
-  });
+  }) : assert(onTap != null);
 
   Widget build(BuildContext context) {
     return Container(
@@ -39,7 +39,7 @@ class NewItemDialogButton extends StatelessWidget {
           ),
           FloatingActionButton(
             child: Icon(FontAwesomeIcons.plus),
-            onPressed: () {},
+            onPressed: onTap,
           ),
         ],
       ),

lib/src/widgets/new_item_dialog_route.dart

@@ -35,12 +35,15 @@ class NewItemDialogRoute extends PopupRoute {
           children: <Widget>[
             NewItemDialogButton(
               label: 'Task',
+              onTap: () =>
+                  Navigator.of(context).pushReplacementNamed('newTask/'),
             ),
             SizedBox(
               width: 20,
             ),
             NewItemDialogButton(
               label: 'Media',
+              onTap: () {},
             ),
           ],
         ),