diff --git a/README.md b/README.md
index c3b927d..af42962 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,12 @@
 
 A new Flutter project.
 
+# Content of DAY 13 ([Tutorial](https://www.youtube.com/watch?v=t8gd1ZmybiQ&list=PLrjrqTcKCnhTXI2GyPkaQF47inLp6LoIC&index=13))
+
+- Local Files
+- Load
+- Decode JSON
+
 ## Getting Started
 
 This project is a starting point for a Flutter application.
diff --git a/assets/files/catalog.json b/assets/files/catalog.json
new file mode 100644
index 0000000..a86aa8a
--- /dev/null
+++ b/assets/files/catalog.json
@@ -0,0 +1,68 @@
+{
+    "products": [
+        {
+            "id": 1,
+            "name": "iPhone 12 Pro",
+            "desc": "Apple iPhone 12th generation",
+            "price": 999,
+            "color": "#33505a",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRISJ6msIu4AU9_M9ZnJVQVFmfuhfyJjEtbUm3ZK11_8IV9TV25-1uM5wHjiFNwKy99w0mR5Hk&usqp=CAc"
+        },
+        {
+            "id": 2,
+            "name": "Pixel 5",
+            "desc": "Google Pixel phone 5th generation",
+            "price": 699,
+            "color": "#00ac51",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSd0JhwLvm_uLDLc-la7hK9WyVpe9naJFcebKfhcICiq2KtvXDePNAU_9QO06LPcQ0K0fLByc7m&usqp=CAc"
+        },
+        {
+            "id": 3,
+            "name": "M1 Macbook Air",
+            "desc": "Apple Macbook air with apple silicon",
+            "price": 1099,
+            "color": "#e0bfae",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSMOMstwtmLnjFb3NHiDJ_kcQnueNVH-rv_3ps96HZmXlFumKWaiBqq_L4Uoyx3iFiNTrXNEbyB&usqp=CAc"
+        },
+        {
+            "id": 4,
+            "name": "Playstation 5",
+            "desc": "Sony Playstation 5th generation",
+            "price": 500,
+            "color": "#544ee4",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSMOMstwtmLnjFb3NHiDJ_kcQnueNVH-rv_3ps96HZmXlFumKWaiBqq_L4Uoyx3iFiNTrXNEbyB&usqp=CAc"
+        },
+        {
+            "id": 5,
+            "name": "Airpods Pro",
+            "desc": "Apple Aipods Pro 1st generation",
+            "price": 200,
+            "color": "#e3e4e9",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQROEs084z65psoo06zYl5R0tUzywOVKVQZzmzqCj3PDP1vVJTWv3gGwGMFENSy4qV4n7sEQjE&usqp=CAc"
+        },
+        {
+            "id": 6,
+            "name": "iPad Pro",
+            "desc": "Apple iPad Pro 2020 edition",
+            "price": 799,
+            "color": "#f73984",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSNzUeRQ5uH7E3hpECib8qxdhfHv6SnUGT7mOsew_xiOoqRR7ZpdH-TQ4J6-HuIEfqHimYyPXWH&usqp=CAc"
+        },
+        {
+            "id": 7,
+            "name": "Galaxy S21 Ultra",
+            "desc": "Samsung Galaxy S21 Ultra 2021 edition",
+            "price": 1299,
+            "color": "#1c1c1c",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTT_PZcc0wicVYR992s5QCIDLYy8t-z-9kibTUdWZBN2sd86aaqdAJfhvxAwZNWV9wfdzDikpr1&usqp=CAc"
+        },
+        {
+            "id": 8,
+            "name": "Galaxy S21",
+            "desc": "Samsung Galaxy S21 2021 edition",
+            "price": 899,
+            "color": "#7c95eb",
+            "image": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRBNHd7FwarbxA1xdMFt24KazjcR4dWPH_t_T5dz4YNK1s7rJAQ8gOIuR_NRw6eeiQgFhbZ9sAN&usqp=CAc"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/assets/images/hey.png b/assets/images/hey.png
new file mode 100644
index 0000000..caeca23
Binary files /dev/null and b/assets/images/hey.png differ
diff --git a/integration_test/app_test.dart b/integration_test/app_test.dart
index bbf8055..51fd2f5 100644
--- a/integration_test/app_test.dart
+++ b/integration_test/app_test.dart
@@ -11,7 +11,7 @@ import 'package:integration_test/integration_test.dart';
 
 import 'package:flutter_catalog/main.dart' as app;
 
-void main() => run(_testMain);
+// void main() => run(_testMain);
 
 void _testMain() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
diff --git a/ios/Flutter/Debug.xcconfig b/ios/Flutter/Debug.xcconfig
index e8efba1..b2f5fae 100644
--- a/ios/Flutter/Debug.xcconfig
+++ b/ios/Flutter/Debug.xcconfig
@@ -1,2 +1,3 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
diff --git a/ios/Flutter/Release.xcconfig b/ios/Flutter/Release.xcconfig
index 399e934..88c2914 100644
--- a/ios/Flutter/Release.xcconfig
+++ b/ios/Flutter/Release.xcconfig
@@ -1,2 +1,3 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
diff --git a/lib/main.dart b/lib/main.dart
index 81f5db5..1091413 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,7 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_catalog/pages/login_page.dart';
-import 'package:google_fonts/google_fonts.dart';
+import 'package:flutter_catalog/utils/routes.dart';
 import 'pages/home_page.dart';
+import 'widgets/themes.dart';
 
 void main() {
   runApp(MyApp());
@@ -12,18 +13,14 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       themeMode: ThemeMode.light,
-      theme: ThemeData(
-        primarySwatch: Colors.deepPurple,
-        fontFamily: GoogleFonts.lato().fontFamily,
-      ),
-      darkTheme: ThemeData(
-        brightness: Brightness.dark,
-      ),
-      initialRoute: "/",
+      theme: MyTheme.lightTheme(context),
+      darkTheme: MyTheme.darkTheme(context),
+      debugShowCheckedModeBanner: false,
+      initialRoute: MyRoutes.homeRoute,
       routes: {
         "/": (context) => LoginPage(),
-        "/home": (context) => HomePage(),
-        "/login": (context) => LoginPage()
+        MyRoutes.homeRoute: (context) => HomePage(),
+        MyRoutes.loginRoute: (context) => LoginPage()
       },
     );
   }
diff --git a/lib/models/catalog.dart b/lib/models/catalog.dart
new file mode 100644
index 0000000..da10336
--- /dev/null
+++ b/lib/models/catalog.dart
@@ -0,0 +1,23 @@
+class CatalogModel {
+  static final items = [
+    Item(
+        id: 1,
+        name: "iPhone 12 Pro",
+        desc: "Apple iPhone 12th generation",
+        price: 999,
+        color: "#33505a",
+        image:
+            "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRISJ6msIu4AU9_M9ZnJVQVFmfuhfyJjEtbUm3ZK11_8IV9TV25-1uM5wHjiFNwKy99w0mR5Hk&usqp=CAc")
+  ];
+}
+
+class Item {
+  final int id;
+  final String name;
+  final String desc;
+  final num price;
+  final String color;
+  final String image;
+
+  Item({this.id, this.name, this.desc, this.price, this.color, this.image});
+}
diff --git a/lib/pages/home_page.dart b/lib/pages/home_page.dart
index 487caed..9db00ed 100644
--- a/lib/pages/home_page.dart
+++ b/lib/pages/home_page.dart
@@ -1,20 +1,53 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'dart:convert';
+import 'package:flutter_catalog/models/catalog.dart';
+import 'package:flutter_catalog/widgets/drawer.dart';
+import 'package:flutter_catalog/widgets/item_widget.dart';
 
-class HomePage extends StatelessWidget {
+class HomePage extends StatefulWidget {
+  @override
+  _HomePageState createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
   final int days = 30;
+
   final String name = "Codepur";
+
+  @override
+  void initState() {
+    super.initState();
+    loadData();
+  }
+
+  loadData() async {
+    final catalogJson =
+        await rootBundle.loadString("assets/files/catalog.json");
+    final decodedData = jsonDecode(catalogJson);
+    var productsData = decodedData["products"];
+    print(productsData);
+  }
+
   @override
   Widget build(BuildContext context) {
+    final dummyList = List.generate(20, (index) => CatalogModel.items[0]);
     return Scaffold(
       appBar: AppBar(
         title: Text("Catalog App"),
       ),
-      body: Center(
-        child: Container(
-          child: Text("Welcome to $days days of flutter by $name"),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: ListView.builder(
+          itemCount: dummyList.length,
+          itemBuilder: (context, index) {
+            return ItemWidget(
+              item: dummyList[index],
+            );
+          },
         ),
       ),
-      drawer: Drawer(),
+      drawer: MyDrawer(),
     );
   }
 }
diff --git a/lib/pages/login_page.dart b/lib/pages/login_page.dart
index 73465b5..d176d74 100644
--- a/lib/pages/login_page.dart
+++ b/lib/pages/login_page.dart
@@ -1,61 +1,129 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_catalog/utils/routes.dart';
+
+class LoginPage extends StatefulWidget {
+  @override
+  _LoginPageState createState() => _LoginPageState();
+}
+
+class _LoginPageState extends State<LoginPage> {
+  String name = "";
+  bool changeButton = false;
+
+  final _formKey = GlobalKey<FormState>();
+
+  moveToHome(BuildContext context) async {
+    if (_formKey.currentState.validate()) {
+      setState(() {
+        changeButton = true;
+      });
+      await Future.delayed(Duration(seconds: 1));
+      await Navigator.pushNamed(context, MyRoutes.homeRoute);
+      setState(() {
+        changeButton = false;
+      });
+    }
+  }
 
-class LoginPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Material(
         color: Colors.white,
-        child: Column(
-          children: [
-            Image.asset(
-              "assets/images/login_image.png",
-              fit: BoxFit.cover,
-            ),
-            SizedBox(
-              height: 20.0,
-            ),
-            Text(
-              "Welcome",
-              style: TextStyle(
-                fontSize: 24,
-                fontWeight: FontWeight.bold,
-              ),
-            ),
-            SizedBox(
-              height: 20.0,
-            ),
-            Padding(
-              padding:
-                  const EdgeInsets.symmetric(vertical: 16.0, horizontal: 32.0),
-              child: Column(
-                children: [
-                  TextFormField(
-                    decoration: InputDecoration(
-                      hintText: "Enter username",
-                      labelText: "Username",
-                    ),
-                  ),
-                  TextFormField(
-                    obscureText: true,
-                    decoration: InputDecoration(
-                      hintText: "Enter password",
-                      labelText: "Password",
-                    ),
+        child: SingleChildScrollView(
+          child: Form(
+            key: _formKey,
+            child: Column(
+              children: [
+                Image.asset(
+                  "assets/images/hey.png",
+                  fit: BoxFit.cover,
+                ),
+                SizedBox(
+                  height: 20.0,
+                ),
+                Text(
+                  "Welcome $name",
+                  style: TextStyle(
+                    fontSize: 28,
+                    fontWeight: FontWeight.bold,
                   ),
-                  SizedBox(
-                    height: 20.0,
+                ),
+                SizedBox(
+                  height: 20.0,
+                ),
+                Padding(
+                  padding: const EdgeInsets.symmetric(
+                      vertical: 16.0, horizontal: 32.0),
+                  child: Column(
+                    children: [
+                      TextFormField(
+                        decoration: InputDecoration(
+                          hintText: "Enter username",
+                          labelText: "Username",
+                        ),
+                        validator: (value) {
+                          if (value.isEmpty) {
+                            return "Username cannot be empty";
+                          }
+
+                          return null;
+                        },
+                        onChanged: (value) {
+                          name = value;
+                          setState(() {});
+                        },
+                      ),
+                      TextFormField(
+                        obscureText: true,
+                        decoration: InputDecoration(
+                          hintText: "Enter password",
+                          labelText: "Password",
+                        ),
+                        validator: (value) {
+                          if (value.isEmpty) {
+                            return "Password cannot be empty";
+                          } else if (value.length < 6) {
+                            return "Password length should be atleast 6";
+                          }
+
+                          return null;
+                        },
+                      ),
+                      SizedBox(
+                        height: 40.0,
+                      ),
+                      Material(
+                        color: Colors.deepPurple,
+                        borderRadius:
+                            BorderRadius.circular(changeButton ? 50 : 8),
+                        child: InkWell(
+                          onTap: () => moveToHome(context),
+                          child: AnimatedContainer(
+                            duration: Duration(seconds: 1),
+                            width: changeButton ? 50 : 150,
+                            height: 50,
+                            alignment: Alignment.center,
+                            child: changeButton
+                                ? Icon(
+                                    Icons.done,
+                                    color: Colors.white,
+                                  )
+                                : Text(
+                                    "Login",
+                                    style: TextStyle(
+                                        color: Colors.white,
+                                        fontWeight: FontWeight.bold,
+                                        fontSize: 18),
+                                  ),
+                          ),
+                        ),
+                      ),
+                    ],
                   ),
-                  ElevatedButton(
-                    child: Text("Login"),
-                    style: TextButton.styleFrom(),
-                    onPressed: () {
-                      print("Hi Codepur");
-                    },
-                  )
-                ],
-              ),
-            )
-          ],
+                )
+              ],
+            ),
+          ),
         ));
   }
 }
diff --git a/lib/utils/routes.dart b/lib/utils/routes.dart
new file mode 100644
index 0000000..510c16a
--- /dev/null
+++ b/lib/utils/routes.dart
@@ -0,0 +1,4 @@
+class MyRoutes {
+  static String loginRoute = "/login";
+  static String homeRoute = "/home";
+}
diff --git a/lib/widgets/drawer.dart b/lib/widgets/drawer.dart
new file mode 100644
index 0000000..298d27b
--- /dev/null
+++ b/lib/widgets/drawer.dart
@@ -0,0 +1,70 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+class MyDrawer extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final imageUrl =
+        "https://avatars.githubusercontent.com/u/12619420?s=460&u=26db98cbde1dd34c7c67b85c240505a436b2c36d&v=4";
+    return Drawer(
+      child: Container(
+        color: Colors.deepPurple,
+        child: ListView(
+          padding: EdgeInsets.zero,
+          children: [
+            DrawerHeader(
+              padding: EdgeInsets.zero,
+              child: UserAccountsDrawerHeader(
+                margin: EdgeInsets.zero,
+                accountName: Text("Pawan Kumar"),
+                accountEmail: Text("mtechviral@gmail.com"),
+                currentAccountPicture: CircleAvatar(
+                  backgroundImage: NetworkImage(imageUrl),
+                ),
+              ),
+            ),
+            ListTile(
+              leading: Icon(
+                CupertinoIcons.home,
+                color: Colors.white,
+              ),
+              title: Text(
+                "Home",
+                textScaleFactor: 1.2,
+                style: TextStyle(
+                  color: Colors.white,
+                ),
+              ),
+            ),
+            ListTile(
+              leading: Icon(
+                CupertinoIcons.profile_circled,
+                color: Colors.white,
+              ),
+              title: Text(
+                "Profile",
+                textScaleFactor: 1.2,
+                style: TextStyle(
+                  color: Colors.white,
+                ),
+              ),
+            ),
+            ListTile(
+              leading: Icon(
+                CupertinoIcons.mail,
+                color: Colors.white,
+              ),
+              title: Text(
+                "Email me",
+                textScaleFactor: 1.2,
+                style: TextStyle(
+                  color: Colors.white,
+                ),
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/widgets/item_widget.dart b/lib/widgets/item_widget.dart
new file mode 100644
index 0000000..7bc5396
--- /dev/null
+++ b/lib/widgets/item_widget.dart
@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_catalog/models/catalog.dart';
+
+class ItemWidget extends StatelessWidget {
+  final Item item;
+
+  const ItemWidget({Key key, @required this.item})
+      : assert(item != null),
+        super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: ListTile(
+        onTap: () {
+          print("${item.name} pressed");
+        },
+        leading: Image.network(item.image),
+        title: Text(item.name),
+        subtitle: Text(item.desc),
+        trailing: Text(
+          "\$${item.price}",
+          textScaleFactor: 1.5,
+          style: TextStyle(
+            color: Colors.deepPurple,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/widgets/themes.dart b/lib/widgets/themes.dart
new file mode 100644
index 0000000..158a8d1
--- /dev/null
+++ b/lib/widgets/themes.dart
@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+
+class MyTheme {
+  static ThemeData lightTheme(BuildContext context) => ThemeData(
+      primarySwatch: Colors.deepPurple,
+      fontFamily: GoogleFonts.lato().fontFamily,
+      appBarTheme: AppBarTheme(
+        color: Colors.white,
+        elevation: 0.0,
+        iconTheme: IconThemeData(color: Colors.black),
+        textTheme: Theme.of(context).textTheme,
+      ));
+
+  static ThemeData darkTheme(BuildContext context) => ThemeData(
+        brightness: Brightness.dark,
+      );
+}
diff --git a/pubspec.lock b/pubspec.lock
index 479a041..146e4d1 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,20 +1,6 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  _fe_analyzer_shared:
-    dependency: transitive
-    description:
-      name: _fe_analyzer_shared
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "12.0.0"
-  analyzer:
-    dependency: transitive
-    description:
-      name: analyzer
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.40.6"
   archive:
     dependency: transitive
     description:
@@ -35,49 +21,42 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0-nullsafety.3"
+    version: "2.5.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.5"
+    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
-  cli_util:
-    dependency: transitive
-    description:
-      name: cli_util
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.0"
+    version: "1.2.0"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0-nullsafety.5"
+    version: "1.15.0"
   convert:
     dependency: transitive
     description:
@@ -85,13 +64,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
-  coverage:
-    dependency: transitive
-    description:
-      name: coverage
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.14.2"
   crypto:
     dependency: transitive
     description:
@@ -112,7 +84,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
+    version: "1.2.0"
   ffi:
     dependency: transitive
     description:
@@ -126,7 +98,7 @@ packages:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.0.0-nullsafety.4"
+    version: "6.0.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -147,13 +119,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  glob:
-    dependency: transitive
-    description:
-      name: glob
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
   google_fonts:
     dependency: "direct main"
     description:
@@ -180,76 +145,27 @@ packages:
     description: flutter
     source: sdk
     version: "0.9.2+2"
-  io:
-    dependency: transitive
-    description:
-      name: io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.4"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.6.3-nullsafety.3"
-  json_rpc_2:
-    dependency: transitive
-    description:
-      name: json_rpc_2
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.2.2"
-  logging:
-    dependency: transitive
-    description:
-      name: logging
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.4"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10-nullsafety.3"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.6"
-  node_interop:
-    dependency: transitive
-    description:
-      name: node_interop
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.1"
-  node_io:
-    dependency: transitive
-    description:
-      name: node_io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.1"
-  package_config:
-    dependency: transitive
-    description:
-      name: package_config
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.9.3"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.3"
+    version: "1.8.0"
   path_provider:
     dependency: transitive
     description:
@@ -298,7 +214,7 @@ packages:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0-nullsafety.4"
+    version: "3.0.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -306,74 +222,46 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
-  pool:
-    dependency: transitive
-    description:
-      name: pool
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.5.0-nullsafety.3"
   process:
     dependency: transitive
     description:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0-nullsafety.4"
-  pub_semver:
-    dependency: transitive
-    description:
-      name: pub_semver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.4"
+    version: "4.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
-  source_map_stack_trace:
-    dependency: transitive
-    description:
-      name: source_map_stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.0-nullsafety.4"
-  source_maps:
-    dependency: transitive
-    description:
-      name: source_maps
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.10.10-nullsafety.3"
   source_span:
     dependency: transitive
     description:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.4"
+    version: "1.8.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0-nullsafety.6"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.3"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-nullsafety.3"
+    version: "1.1.0"
   sync_http:
     dependency: transitive
     description:
@@ -387,35 +275,28 @@ packages:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19-nullsafety.6"
-  test_core:
-    dependency: transitive
-    description:
-      name: test_core
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.12-nullsafety.9"
+    version: "0.2.19"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.5"
+    version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0-nullsafety.5"
+    version: "2.1.0"
   vm_service:
     dependency: transitive
     description:
@@ -423,20 +304,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.5.0"
-  watcher:
-    dependency: transitive
-    description:
-      name: watcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.7+15"
-  web_socket_channel:
-    dependency: transitive
-    description:
-      name: web_socket_channel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
   webdriver:
     dependency: transitive
     description:
@@ -458,13 +325,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2"
-  yaml:
-    dependency: transitive
-    description:
-      name: yaml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.2.1"
 sdks:
   dart: ">=2.12.0-0.0 <3.0.0"
-  flutter: ">=1.17.0 <2.0.0"
+  flutter: ">=1.17.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index baebcf5..077b911 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -48,6 +48,7 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - assets/images/
+    - assets/files/
   #   - images/a_dot_ham.jpeg
 
   # An image asset can refer to one or more resolution-specific "variants", see