feat: adding nest navigators for each tab

lib/src/ui/contact_tab/contact_tab.dart

@@ -0,0 +1,33 @@
+import "package:flutter/material.dart";
+
+import "./widgets/home_view.dart";
+
+class ContactTab extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return _ContactTabState();
+  }
+}
+
+class _ContactTabState extends State<ContactTab> {
+  @override
+  Widget build(BuildContext context) {
+    return Navigator(
+      initialRoute: "conversation/home",
+      onGenerateRoute: (RouteSettings settings) {
+        WidgetBuilder builder;
+        switch (settings.name) {
+          case "conversation/home":
+            builder = (BuildContext _) => HomeView();
+            break;
+          case "conversation/new":
+            builder = (BuildContext _) => Center(child: Text("SOON"));
+            break;
+          default:
+            throw Exception("Invalid route: ${settings.name}");
+        }
+        return MaterialPageRoute(builder: builder, settings: settings);
+      },
+    );
+  }
+}

lib/src/ui/contact_tab/widgets/home_view.dart

@@ -1,20 +1,20 @@
 import "package:flutter/material.dart";
 import 'package:sticky_headers/sticky_headers.dart';
 
-import "../../models/user_model.dart";
-import "../../blocs/contact_bloc.dart";
+import "../../../models/user_model.dart";
+import "../../../blocs/contact_bloc.dart";
 
-import "./widgets/contact_item.dart";
-import "../widgets/search_input.dart";
+import "../widgets/contact_item.dart";
+import "../../widgets/search_input.dart";
 
-class ContactView extends StatefulWidget {
+class HomeView extends StatefulWidget {
   @override
   State<StatefulWidget> createState() {
-    return _ContactViewState();
+    return _HomeViewState();
   }
 }
 
-class _ContactViewState extends State<ContactView> {
+class _HomeViewState extends State<HomeView> {
   final searchController = TextEditingController();
 
   @override

lib/src/ui/conversation_tab/conversation_tab.dart

@@ -0,0 +1,33 @@
+import "package:flutter/material.dart";
+
+import "./widgets/home_view.dart";
+
+class ConversationTab extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return _ConversationTabState();
+  }
+}
+
+class _ConversationTabState extends State<ConversationTab> {
+  @override
+  Widget build(BuildContext context) {
+    return Navigator(
+      initialRoute: "conversation/home",
+      onGenerateRoute: (RouteSettings settings) {
+        WidgetBuilder builder;
+        switch (settings.name) {
+          case "conversation/home":
+            builder = (BuildContext _) => HomeView();
+            break;
+          case "conversation/new":
+            builder = (BuildContext _) => Center(child: Text("SOON"));
+            break;
+          default:
+            throw Exception("Invalid route: ${settings.name}");
+        }
+        return MaterialPageRoute(builder: builder, settings: settings);
+      },
+    );
+  }
+}

lib/src/ui/conversation_tab/widgets/home_view.dart

@@ -1,19 +1,19 @@
 import "package:flutter/material.dart";
 
-import "../../models/conversation_model.dart";
-import "../../blocs/conversation_bloc.dart";
+import "../../../models/conversation_model.dart";
+import "../../../blocs/conversation_bloc.dart";
 
-import "./widgets/conversation_item.dart";
-import "../widgets/search_input.dart";
+import "../widgets/conversation_item.dart";
+import "../../widgets/search_input.dart";
 
-class ConversationView extends StatefulWidget {
+class HomeView extends StatefulWidget {
   @override
   State<StatefulWidget> createState() {
-    return _ConversationViewState();
+    return _HomeViewState();
   }
 }
 
-class _ConversationViewState extends State<ConversationView> {
+class _HomeViewState extends State<HomeView> {
   final searchController = TextEditingController();
 
   @override

lib/src/ui/home.dart

@@ -2,8 +2,8 @@ import "package:flutter/material.dart";
 import 'dart:ui' as ui;
 
 import "./widgets/top_bar.dart";
-import "./conversation_view/conversation_view.dart";
-import "./contact_view/contact_view.dart";
+import "./conversation_tab/conversation_tab.dart";
+import "./contact_tab/contact_tab.dart";
 import "./bottom_bar/bottom_bar.dart";
 import "../services/heartbeat_manager.dart";
 import "../services/conversation_manager.dart";
@@ -80,8 +80,8 @@ class _HomeState extends State<Home> with SingleTickerProviderStateMixin {
                 physics: NeverScrollableScrollPhysics(),
                 controller: controller,
                 children: <Widget>[
-              ContactView(),
-              ConversationView(),
+              ContactTab(),
+              ConversationTab(),
               Container(),
             ])),
       ]),