Merge pull request #163 from SapinderSingh/issue-161

Added Unknown Screen. Fixes Issue #161

lib/helpers/route_page.dart

@@ -19,6 +19,7 @@ import 'package:retro_shopping/views/profile/settings/settings_view.dart';
 import 'package:retro_shopping/views/profile/wishlist.dart';
 import 'package:retro_shopping/views/search_view.dart';
 import 'package:retro_shopping/views/terms_conditions_view.dart';
+import 'package:retro_shopping/views/unknown_view.dart';
 import 'package:retro_shopping/widgets/payment/payment_successful.dart';
 import 'package:retro_shopping/widgets/product/product_page.dart';
 
@@ -108,15 +109,9 @@ class RoutePage {
         return SlideLeftRoute(
           page: TermsConditionsView(),
         );
-      //TODO: Needs to have a separate screen for this
+
       default:
-        return PageRouteBuilder<dynamic>(
-          pageBuilder:
-              (_, Animation<double> firstAni, Animation<double> secondAni) =>
-                  const SizedBox(
-            child: Text('Nothing'),
-          ),
-        );
+        return SlideLeftRoute(page: UnknownView(),);
     }
   }
 }

lib/views/unknown_view.dart

@@ -0,0 +1,81 @@
+import 'package:flutter/material.dart';
+import 'package:retro_shopping/helpers/constants.dart';
+import 'package:retro_shopping/widgets/retro_button.dart';
+
+class UnknownView extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final double height = MediaQuery.of(context).size.height;
+    final double width = MediaQuery.of(context).size.width;
+    return Scaffold(
+      body: SafeArea(
+        child: SingleChildScrollView(
+          primary: true,
+          child: SizedBox(
+            width: width,
+            child: Padding(
+              padding: const EdgeInsets.symmetric(horizontal: 18),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: <Widget>[
+                  SizedBox(
+                    height: height * 0.01,
+                  ),
+                  GestureDetector(
+                    onTap: () {
+                      Navigator.of(context).pop();
+                    },
+                    child: RetroButton(
+                      upperColor: Colors.white,
+                      lowerColor: Colors.black,
+                      width: 35,
+                      height: 35,
+                      borderColor: Colors.white,
+                      child: const Icon(Icons.arrow_back),
+                    ),
+                  ),
+                  const SizedBox(
+                    height: 30,
+                  ),
+                  const Text(
+                    'The page you are looking for is not found. Sorry for inconvenience 😕',
+                    style: TextStyle(
+                      color: Colors.white,
+                      fontWeight: FontWeight.bold,
+                      fontSize: 25,
+                    ),
+                  ),
+                  Center(
+                    heightFactor: 10,
+                    child: InkWell(
+                      onTap: () {
+                        Navigator.of(context).pushReplacementNamed(
+                          RouteConstant.DASHBOARD_SCREEN,
+                        );
+                      },
+                      child: RetroButton(
+                        upperColor: Colors.white,
+                        lowerColor: Colors.black,
+                        width: 250,
+                        height: 50,
+                        borderColor: Colors.white,
+                        child: const Text(
+                          'Click here to get back to home.',
+                          textAlign: TextAlign.center,
+                          style: TextStyle(
+                            fontWeight: FontWeight.bold,
+                            fontSize: 15,
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}