Added user registration page

android/app/src/main/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.legbarkr.leg_barkr_app">
-   <application
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application
         android:label="leg_barkr_app"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
@@ -34,5 +35,5 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
-    </application>
+   </application>
 </manifest>

lib/home.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:leg_barkr_app/view/auth/register_form.dart';
 import 'package:leg_barkr_app/view/metrics/metrics_page.dart';
 import 'package:leg_barkr_app/view/steps/steps_page.dart';
 import 'package:leg_barkr_app/view/map_page.dart';
@@ -29,7 +30,8 @@ class _HomeScreenState extends State<HomeScreen> {
       body: PageView(
         controller: _pageController,
         children: const <Widget>[
-          MetricsPage(),
+          RegisterForm(),   // Purely for testing purposes.
+          //MetricsPage(),
           StepsPage(),
           MapPage(),
           SettingsPage()

lib/utils/endpoints.dart

@@ -0,0 +1,3 @@
+const String home = "https://leg-barkr.nw.r.appspot.com/";
+const String register = "https://leg-barkr.nw.r.appspot.com/authentication/register";
+const String verify = "https://leg-barkr.nw.r.appspot.com/authentication/verify";

lib/utils/resources.dart

@@ -0,0 +1,7 @@
+import 'package:flutter/material.dart';
+
+class Resources {
+  static final Color primaryColour = Colors.green;
+  static final Color primaryAccentColour = Colors.greenAccent;
+
+}

lib/view/auth/register_form.dart

@@ -0,0 +1,237 @@
+import 'dart:convert';
+import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'package:leg_barkr_app/home.dart';
+import 'package:leg_barkr_app/utils/endpoints.dart' as Endpoints;
+
+class RegisterForm extends StatefulWidget {
+  const RegisterForm({Key? key}) : super(key: key);
+
+  @override
+  _RegisterFormState createState() => _RegisterFormState();
+}
+
+class _RegisterFormState extends State<RegisterForm> {
+  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
+  late String _firstName, _lastName, _email, _password, _confirmPassword, _deviceId;
+  bool _registering = false;
+
+  void attemptRegistration(){
+    final form = _formKey.currentState;
+    if (form!.validate()) {
+      form.save();
+      if (_password != _confirmPassword) {
+        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Passwords do not match")));
+        setState(() { _registering = false; });
+      }
+      form.save();
+      setState(() { _registering = true; });
+      registerUser();
+    } else {
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Please enter all required fields")));
+      setState(() { _registering = false; });
+    }
+  }
+
+  void registerUser() async {
+    final response = await http.post(
+      Uri.parse(Endpoints.register),
+      headers: <String, String>{
+        'Content-Type': 'application/json; charset=UTF-8',
+      },
+      body: jsonEncode(<String, String>{
+        'name': _firstName + _lastName,
+        'deviceid': _deviceId,
+        'email': _email,
+        'password': _password
+      }),
+    );
+    if (response.statusCode == 201){
+      Navigator.push(context, MaterialPageRoute(builder: (context) => HomeScreen()));
+    } else if (response.statusCode == 400){
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Fields missing!")));
+    } else if (response.statusCode == 409){
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("User with given email already exists")));
+    } else {
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Failed registration, please try again later")));
+    }
+    setState(() {
+      _registering = false;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final TextFormField firstNameInput = TextFormField(
+      autofocus: false,
+      cursorColor: Colors.green,
+      decoration: const InputDecoration(
+          border: OutlineInputBorder(),
+          focusedBorder: OutlineInputBorder(
+            borderSide: BorderSide(
+              color: Colors.green,
+              width: 2
+            )
+          ),
+          hintText: 'First Name',
+          //labelStyle: TextStyle(color: Colors.green),
+      ),
+      validator: (value) => value!.isEmpty ? "Please enter first name" : null,
+      onSaved: (value) => _firstName = value!,
+    );
+
+    final TextFormField lastNameInput = TextFormField(
+      autofocus: false,
+      cursorColor: Colors.green,
+      decoration: const InputDecoration(
+        border: OutlineInputBorder(),
+        focusedBorder: OutlineInputBorder(
+            borderSide: BorderSide(
+                color: Colors.green,
+                width: 2
+            )
+        ),
+        hintText: 'Last Name',
+        //labelStyle: TextStyle(color: Colors.green),
+      ),
+      validator: (value) => value!.isEmpty ? "Please enter last name" : null,
+      onSaved: (value) => _lastName = value!,
+    );
+
+    final TextFormField deviceInput = TextFormField(
+      autofocus: false,
+      cursorColor: Colors.green,
+      decoration: const InputDecoration(
+        border: OutlineInputBorder(),
+        focusedBorder: OutlineInputBorder(
+            borderSide: BorderSide(
+                color: Colors.green,
+                width: 2
+            )
+        ),
+        hintText: 'Device ID',
+        //labelStyle: TextStyle(color: Colors.green),
+      ),
+      validator: (value) => value!.isEmpty ? "Please enter device ID" : null,
+      onSaved: (value) => _deviceId = value!,
+    );
+
+    final TextFormField emailInput = TextFormField(
+      autofocus: false,
+      cursorColor: Colors.green,
+      decoration: const InputDecoration(
+        border: OutlineInputBorder(),
+        focusedBorder: OutlineInputBorder(
+            borderSide: BorderSide(
+                color: Colors.green,
+                width: 2
+            )
+        ),
+        hintText: 'Email',
+        //labelStyle: TextStyle(color: Colors.green),
+      ),
+      validator: (value) => value!.isEmpty ? "Please enter email" : null,
+      onSaved: (value) => _email = value!,
+    );
+
+    final TextFormField passwordInput = TextFormField(
+      autofocus: false,
+      obscureText: true,
+      cursorColor: Colors.green,
+      decoration: const InputDecoration(
+        border: OutlineInputBorder(),
+        focusedBorder: OutlineInputBorder(
+            borderSide: BorderSide(
+                color: Colors.green,
+                width: 2
+            )
+        ),
+        hintText: 'Password',
+        //labelStyle: TextStyle(color: Colors.green),
+      ),
+      validator: (value) {
+        if (value == null || value.isEmpty) {
+          return 'Please enter password';
+        }
+        return null;
+      },
+      onSaved: (value) => _password = value!,
+    );
+
+    final TextFormField confirmPasswordInput = TextFormField(
+      autofocus: false,
+      obscureText: true,
+      cursorColor: Colors.green,
+      decoration: const InputDecoration(
+        border: OutlineInputBorder(),
+        focusedBorder: OutlineInputBorder(
+            borderSide: BorderSide(
+                color: Colors.green,
+                width: 2
+            )
+        ),
+        hintText: 'Confirm password',
+        //labelStyle: TextStyle(color: Colors.green),
+      ),
+      validator: (value) {
+        if (value == null || value.isEmpty) {
+          return 'Please confirm password';
+        }
+        return null;
+      },
+      onSaved: (value) => _confirmPassword = value!,
+    );
+
+    final Container loading = Container(
+      alignment: Alignment.center,
+      child: CircularProgressIndicator(
+          backgroundColor: Colors.green,
+          color: Colors.green,
+        ),
+    );
+
+    final Container registerBtn = Container(
+        width: double.infinity,
+        height: 50,
+        child: ElevatedButton(
+            onPressed: attemptRegistration,
+            child: Text('Register'),
+            style: ElevatedButton.styleFrom(
+              alignment: Alignment.center,
+              primary: Colors.green,
+            )
+          )
+
+    );
+
+    return SafeArea(
+        child: SingleChildScrollView(
+          child: Form(
+            key: _formKey,
+            child:Container(
+              padding: EdgeInsets.all(10),
+              child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      SizedBox(height: 100),
+                      firstNameInput,
+                      SizedBox(height: 20),
+                      lastNameInput,
+                      SizedBox(height: 20),
+                      deviceInput,
+                      SizedBox(height: 20),
+                      emailInput,
+                      SizedBox(height: 20),
+                      passwordInput,
+                      SizedBox(height: 20),
+                      confirmPasswordInput,
+                      SizedBox(height: 20),
+                      _registering ? loading : registerBtn
+                    ]
+              )
+            )
+          ),
+        )
+    );
+  }
+}

pubspec.lock

@@ -142,6 +142,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.15.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.13.4"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
   intl:
     dependency: transitive
     description:

pubspec.yaml

@@ -38,6 +38,7 @@ dependencies:
   google_maps_flutter_web: ^0.3.2+1
   charts_flutter: ^0.12.0
   syncfusion_flutter_gauges: ^19.4.50
+  http: ^0.13.4
 
 
 dev_dependencies: