Review exmaple.

bloc_login_example/lib/blocs/auth_bloc.dart

@@ -21,6 +21,7 @@ class AuthBloc extends Object {
 
   AuthBloc() {
    loggedIn.listen((bool result) {
+     print('loggedIn: $result');
      if (_context != null) {
        Navigator.pushReplacement(
        _context,

bloc_login_example/lib/blocs/sample_bloc.dart

@@ -9,6 +9,7 @@ class SampleBloc extends Object {
 
   SampleBloc() {
     init();
+    setMessage('test');
   }
 
   init() {

bloc_login_example/lib/main.dart

@@ -1,34 +1,32 @@
 import 'package:flutter/material.dart';
 
-import 'blocs/bloc_provider.dart' show BlocProvider;
-import 'screens/auth.dart' show Auth;
-import 'screens/review.dart' show Review;
+import 'package:bloc_login_example/blocs/bloc_provider.dart' show BlocProvider;
+import 'package:bloc_login_example/screens/auth.dart' show Auth;
+import 'package:bloc_login_example/screens/review.dart' show Review;
 
-void main() => runApp(new MyApp());
+void main() => runApp(BlocProvider(child: new MyApp()));
 
 class MyApp extends StatelessWidget {
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
-    return BlocProvider(
-      child: MaterialApp(
-        title: 'Flutter Demo',
-        theme: new ThemeData(
-          // This is the theme of your application.
-          //
-          // Try running your application with "flutter run". You'll see the
-          // application has a blue toolbar. Then, without quitting the app, try
-          // changing the primarySwatch below to Colors.green and then invoke
-          // "hot reload" (press "r" in the console where you ran "flutter run",
-          // or press Run > Flutter Hot Reload in IntelliJ). Notice that the
-          // counter didn't reset back to zero; the application is not restarted.
-          primarySwatch: Colors.blue,
-        ),
-        home: Auth(),
-        routes: {
-          '/review': (BuildContext context) => Review(),
-        }
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: new ThemeData(
+        // This is the theme of your application.
+        //
+        // Try running your application with "flutter run". You'll see the
+        // application has a blue toolbar. Then, without quitting the app, try
+        // changing the primarySwatch below to Colors.green and then invoke
+        // "hot reload" (press "r" in the console where you ran "flutter run",
+        // or press Run > Flutter Hot Reload in IntelliJ). Notice that the
+        // counter didn't reset back to zero; the application is not restarted.
+        primarySwatch: Colors.blue,
       ),
+      home: Auth(),
+      routes: {
+        '/review': (BuildContext context) => Review(),
+      }
     );
   }
 }

bloc_login_example/lib/screens/auth.dart

@@ -61,7 +61,7 @@ class _AuthState extends State<Auth> {
     Future.delayed(Duration.zero, () async {
       BlocProvider.of(context).authBloc.setContext(context);
       await Future.delayed(Duration(seconds: 3));
-      BlocProvider.of(context).authBloc.setLoggedIn(true);
+      BlocProvider.of(context).authBloc.setLoggedIn(false);
     });
   }
 }

bloc_login_example/lib/screens/login.dart

@@ -112,7 +112,7 @@ class _LoginState extends State<Login> {
                     Row(children: <Widget>[
                       Expanded(child:
                       Btn(
-                        text: 'SIGN UP',
+                        text: 'REVIEW',
                         onPress: () => Navigator.of(context).pushNamed('/review'),
                         height: 60.0,
                         fontSize: 16.0,

bloc_login_example/lib/screens/review.dart

@@ -2,7 +2,8 @@ import 'dart:async';
 import 'package:async/async.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import '../blocs/review_bloc.dart';
+import 'package:bloc_login_example/blocs/review_bloc.dart';
+import 'package:bloc_login_example/blocs/bloc_provider.dart';
 
 class Review extends StatefulWidget {
   @override
@@ -11,20 +12,42 @@ class Review extends StatefulWidget {
 
 class _State extends State<Review> {
   ReviewBloc reviewBloc = ReviewBloc();
+  var _stream;
+
+  @override
+  void initState() {
+    super.initState();
+    _stream = StreamZip([
+       reviewBloc.userId, reviewBloc.message,
+    ]);
+    // _stream = StreamGroup.merge([reviewBloc.userId, reviewBloc.message]);
+  }
+
   @override
   Widget build(BuildContext context) {
+    var bloc = BlocProvider.of(context);
     return StreamBuilder(
-      stream: StreamZip([
-        reviewBloc.userId, reviewBloc.message,
-      ]),
+      stream: _stream,
       builder: (context, snapshot) {
         print('snapshot');
         print(snapshot);
         return Container(
           width: 200.0,
           color: Colors.white,
+          child: Column(
+            children: <Widget>[
+              Text('myUserId: ${snapshot.data[0]}'),
+              Text('message: ${snapshot.data[1]}'),
+            ],
+          ),
         );
       },
     );
   }
+
+  @override
+  void dispose() {
+    reviewBloc.dispose();
+    super.dispose();
+  }
 }