update the brew crew with new sign in page

have issues on the version of the dependencies, settings.graddle,
If you have this issues again, follow this link: firebase/flutterfire#3876

brew_crew/android/settings.gradle

@@ -9,3 +9,17 @@ localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
 def flutterSdkPath = properties.getProperty("flutter.sdk")
 assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
 apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}

brew_crew/lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:brew_crew/screens/wrapper.dart';
 import 'package:flutter/material.dart';
 
 void main() {
@@ -9,105 +10,8 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
-      theme: 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 simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
-        primarySwatch: Colors.blue,
-      ),
-      home: MyHomePage(title: 'Flutter Demo Home Page'),
+  home: Wrapper(),
     );
   }
 }
 
-class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
-  @override
-  _MyHomePageState createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headline4,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
-    );
-  }
-}

brew_crew/lib/screens/authenticate/authenticate.dart

@@ -0,0 +1,18 @@
+import 'package:brew_crew/screens/authenticate/sign_in.dart';
+import 'package:flutter/material.dart';
+
+class Authenticate extends StatefulWidget {
+  const Authenticate({Key key}) : super(key: key);
+
+  @override
+  _AuthenticateState createState() => _AuthenticateState();
+}
+
+class _AuthenticateState extends State<Authenticate> {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      child: SignIn(),
+    );
+  }
+}

brew_crew/lib/screens/authenticate/sign_in.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+
+class SignIn extends StatefulWidget {
+  const SignIn({Key key}) : super(key: key);
+
+  @override
+  _SignInState createState() => _SignInState();
+}
+
+class _SignInState extends State<SignIn> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.brown[100],
+      appBar: AppBar(
+        backgroundColor: Colors.brown[400],
+        elevation: 0.0,
+        title: Text('Sign into Brew Crew'),
+      ),
+      body: Container(
+        padding: EdgeInsets.symmetric(vertical: 20, horizontal: 50),
+        child: ElevatedButton(
+          child: Text('Sign in Anonymously'),
+          onPressed: () async{
+
+          },
+        ),
+      ),
+    );
+  }
+}

brew_crew/lib/screens/home/home.dart

@@ -0,0 +1,12 @@
+import 'package:flutter/material.dart';
+
+class Home extends StatelessWidget {
+  const Home({Key key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      child: Text('home'),
+    );
+  }
+}

brew_crew/lib/screens/wrapper.dart

@@ -0,0 +1,15 @@
+import 'package:brew_crew/screens/authenticate/authenticate.dart';
+import 'package:brew_crew/screens/home/home.dart';
+import 'package:flutter/material.dart';
+
+
+class Wrapper extends StatelessWidget {
+  const Wrapper({Key key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+
+    // return Home or Authenticate depending on the user logged in or not
+    return Authenticate();
+  }
+}

brew_crew/lib/services/auth.dart

@@ -0,0 +1,28 @@
+import 'package:firebase_auth/firebase_auth.dart';
+
+class AuthService{
+
+  final FirebaseAuth _auth = FirebaseAuth.instance;
+
+  // sign in anon
+  Future signInAnon() async{
+    try{
+      AuthResult result =   await  _auth.signInAnonymously();
+      FirebaseUser user = result.user;
+  return user;
+    } catch(e){
+      print(e.toString());
+      return null;
+    }
+  }
+
+  // sign in with email
+
+  // register in with email
+
+
+  // sign out
+
+
+
+}

brew_crew/pubspec.lock

@@ -36,6 +36,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.11"
   collection:
     dependency: transitive
     description:
@@ -57,6 +64,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  firebase:
+    dependency: transitive
+    description:
+      name: firebase
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.3.3"
+  firebase_auth:
+    dependency: "direct main"
+    description:
+      name: firebase_auth
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.14.0+9"
+  firebase_core:
+    dependency: transitive
+    description:
+      name: firebase_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.5"
+  firebase_core_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_core_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
+  firebase_core_web:
+    dependency: transitive
+    description:
+      name: firebase_core_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -67,6 +109,32 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.2"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.4"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3"
   matcher:
     dependency: transitive
     description:
@@ -88,6 +156,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -151,3 +240,4 @@ packages:
     version: "2.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
+  flutter: ">=1.12.13+hotfix.4"

brew_crew/pubspec.yaml

@@ -28,6 +28,9 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
+  firebase_auth: ^0.14.0+5
+  cloud_firestore: ^0.12.9+4
+
 
 dev_dependencies:
   flutter_test: