added main screen & login screen

android/app/build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdkVersion 33
     ndkVersion flutter.ndkVersion
 
     compileOptions {
@@ -44,10 +44,10 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.share_location"
+        applicationId "floss.myzel394.quid_faciam_hodie"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 21
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

android/app/src/main/AndroidManifest.xml

@@ -23,6 +23,10 @@
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
+
+                <data
+                    android:scheme="floss.myzel394.quid_faciam_hodie"
+                    android:host="login-callback" />
             </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
@@ -31,4 +35,6 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
+
+    <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>

ios/Runner/Info.plist

@@ -45,5 +45,31 @@
 	<false/>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
 	<true/>
+
+	<key>NSCameraUsageDescription</key>
+    <string>Taking photos is a crucial part of the app.</string>
+
+    <key>NSMicrophoneUsageDescription</key>
+    <string>Recording videos is a crucial part of the app.</string>
+
+    <key>CFBundleURLTypes</key>
+    <array>
+        <dict>
+            <key>CFBundleTypeRole</key>
+            <string>Editor</string>
+            <key>CFBundleURLSchemes</key>
+            <array>
+                <string>floss.myzel394.quid_faciam_hodie</string>
+            </array>
+        </dict>
+    </array>
+
+    <key>NSAppTransportSecurity</key>
+    <dict>
+        <key>NSAllowsArbitraryLoads</key>
+        <true/>
+    </dict>
+
+
 </dict>
 </plist>

lib/constants/apis.dart

@@ -0,0 +1,3 @@
+const SUPABASE_API_URL = 'https://gmqzelvauqziurlloawb.supabase.co';
+const SUPABASE_API_KEY =
+    'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImdtcXplbHZhdXF6aXVybGxvYXdiIiwicm9sZSI6ImFub24iLCJpYXQiOjE2NjAzODE5MDcsImV4cCI6MTk3NTk1NzkwN30.D_964EIlD9WRFnG6MWtQtmIg04eMBbZhIEF7zl--bKw';

lib/constants/app_values.dart

@@ -0,0 +1 @@
+const APP_ID = 'floss.myzel394.quid_faciam_hodie';

lib/constants/spacing.dart

@@ -1,6 +1,6 @@
 const SPACE_MULTIPLIER = 2.0;
 
-const SMALL_SPACE = SPACE_MULTIPLIER * 1;
+const SMALL_SPACE = SPACE_MULTIPLIER * 5;
 const MEDIUM_SPACE = SPACE_MULTIPLIER * 10;
 const LARGE_SPACE = SPACE_MULTIPLIER * 20;
 const HUGE_SPACE = SPACE_MULTIPLIER * 40;

lib/enums.dart

@@ -0,0 +1,4 @@
+enum MemoryType {
+  photo,
+  video,
+}

lib/extensions/snackbar.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+final supabase = Supabase.instance.client;
+
+extension ShowSnackBar on BuildContext {
+  void showSnackBar({
+    required String message,
+    Color backgroundColor = Colors.white,
+  }) {
+    ScaffoldMessenger.of(this).showSnackBar(SnackBar(
+      content: Text(message),
+      backgroundColor: backgroundColor,
+    ));
+  }
+
+  void showErrorSnackBar({required String message}) {
+    showSnackBar(message: message, backgroundColor: Colors.red);
+  }
+}

lib/global_values.dart

@@ -0,0 +1,3 @@
+import 'package:camera/camera.dart';
+
+List<CameraDescription> cameras = [];

lib/main.dart

@@ -1,9 +1,26 @@
+import 'package:camera/camera.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:share_location/constants/apis.dart';
+import 'package:share_location/screens/login_screen.dart';
+import 'package:share_location/screens/main_screen.dart';
 import 'package:share_location/screens/welcome_screen.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
 
+import 'managers/global_values_manager.dart';
 import 'managers/startup_page_manager.dart';
 
 void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+
+  await Supabase.initialize(
+    url: SUPABASE_API_URL,
+    anonKey: SUPABASE_API_KEY,
+    debug: kDebugMode,
+  );
+
+  GlobalValuesManager.setCameras(await availableCameras());
+
   final initialPage = await StartupPageManager.getPage();
 
   runApp(MyApp(initialPage: initialPage));
@@ -17,21 +34,30 @@ class MyApp extends StatelessWidget {
     required this.initialPage,
   }) : super(key: key);
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData.dark().copyWith(
         textTheme: ThemeData.dark().textTheme.copyWith(
-              headline1: TextStyle(
+              headline1: const TextStyle(
                 fontSize: 32,
                 fontWeight: FontWeight.w500,
               ),
             ),
+        inputDecorationTheme: InputDecorationTheme(
+          filled: true,
+          helperMaxLines: 10,
+          errorMaxLines: 10,
+          border: OutlineInputBorder(
+            borderRadius: BorderRadius.circular(8),
+          ),
+        ),
       ),
       routes: {
-        WelcomeScreen.ID: (context) => WelcomeScreen(),
+        WelcomeScreen.ID: (context) => const WelcomeScreen(),
+        MainScreen.ID: (context) => const MainScreen(),
+        LoginScreen.ID: (context) => const LoginScreen(),
       },
       initialRoute: initialPage,
     );

lib/managers/authentication_manager.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+import 'package:share_location/extensions/snackbar.dart';
+import 'package:share_location/screens/login_screen.dart';
+import 'package:share_location/screens/main_screen.dart';
+import 'package:supabase/supabase.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+class AuthState<T extends StatefulWidget> extends SupabaseAuthState<T> {
+  @override
+  void onUnauthenticated() {
+    if (mounted) {
+      Navigator.of(context)
+          .pushNamedAndRemoveUntil(LoginScreen.ID, (route) => false);
+    }
+  }
+
+  @override
+  void onAuthenticated(Session session) {
+    if (mounted) {
+      Navigator.of(context)
+          .pushNamedAndRemoveUntil(MainScreen.ID, (route) => false);
+    }
+  }
+
+  @override
+  void onPasswordRecovery(Session session) {}
+
+  @override
+  void onErrorAuthenticating(String message) {
+    context.showErrorSnackBar(message: message);
+  }
+}

lib/managers/file_manager.dart

@@ -0,0 +1,71 @@
+import 'dart:io';
+
+import 'package:share_location/enums.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+import 'package:uuid/uuid.dart';
+
+const uuid = Uuid();
+
+final supabase = Supabase.instance.client;
+
+class FileManager {
+  static Future<User> getUser(final String userID) async {
+    final response = await supabase
+        .from('users')
+        .select()
+        .eq('id', userID)
+        .single()
+        .execute();
+
+    return response.data;
+  }
+
+  static uploadFile(final User user, final File file) async {
+    final basename = uuid.v4();
+    final extension = file.path.split('.').last;
+    final filename = '$basename.$extension';
+    final path = '${user.id}/$filename';
+
+    final response = await supabase.storage.from('memories').upload(path, file);
+
+    if (response.error != null) {
+      throw Exception('Error uploading file: ${response.error!.message}');
+    }
+
+    final memoryResponse = await supabase.from('memories').insert({
+      'user': user.id,
+      'location': path,
+    }).execute();
+
+    if (memoryResponse.error != null) {
+      throw Exception('Error creating memory: ${response.error!.message}');
+    }
+  }
+
+  static Future<List?> getLastFile(final User user) async {
+    final response = await supabase
+        .from('memories')
+        .select()
+        .eq('user', user.id)
+        .order('created_at', ascending: false)
+        .limit(1)
+        .single()
+        .execute();
+
+    if (response.data == null) {
+      return null;
+    }
+
+    final memory = response.data;
+    final location = memory['location'];
+    final memoryType =
+        location.split('.').last == 'jpg' ? MemoryType.photo : MemoryType.video;
+    final file = await supabase.storage.from('memories').download(location);
+
+    if (file.error != null) {
+      return null;
+    }
+
+    return [file.data!, memoryType];
+  }
+}

lib/managers/global_values_manager.dart

@@ -0,0 +1,15 @@
+import 'package:camera/camera.dart';
+
+class GlobalValuesManager {
+  static List<CameraDescription> _cameras = [];
+
+  static List<CameraDescription> get cameras => [..._cameras];
+
+  static void setCameras(List<CameraDescription> cameras) {
+    if (_cameras.isNotEmpty) {
+      throw Exception('Cameras already set');
+    }
+
+    _cameras = cameras;
+  }
+}

lib/screens/login_screen.dart

@@ -0,0 +1,126 @@
+import 'package:flutter/material.dart';
+import 'package:share_location/constants/spacing.dart';
+import 'package:share_location/extensions/snackbar.dart';
+import 'package:share_location/managers/authentication_manager.dart';
+import 'package:share_location/screens/main_screen.dart';
+import 'package:share_location/utils/loadable.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+final supabase = Supabase.instance.client;
+
+class LoginScreen extends StatefulWidget {
+  static const ID = 'login';
+
+  const LoginScreen({Key? key}) : super(key: key);
+
+  @override
+  State<LoginScreen> createState() => _LoginScreenState();
+}
+
+class _LoginScreenState extends AuthState<LoginScreen> with Loadable {
+  final emailController = TextEditingController();
+  final passwordController = TextEditingController();
+
+  @override
+  void dispose() {
+    emailController.dispose();
+    passwordController.dispose();
+
+    super.dispose();
+  }
+
+  Future<bool> doesEmailExist() async {
+    // TODO: SECURE PROFILE READ ACCESS TO ONLY ALLOW ACCESS TO EMAIL ADDRESSES
+    final response = await supabase
+        .from('profiles')
+        .select()
+        .match({'username': emailController.text.trim()}).execute();
+
+    return response.data.isNotEmpty;
+  }
+
+  Future<void> signIn() async {
+    if (await doesEmailExist()) {
+      // Login User
+      final response = await supabase.auth.signIn(
+        email: emailController.text.trim(),
+        password: passwordController.text,
+      );
+      final error = response.error;
+
+      if (mounted) {
+        if (error != null) {
+          context.showErrorSnackBar(message: error.message);
+        } else {
+          emailController.clear();
+          passwordController.clear();
+        }
+      }
+    } else {
+      // Sign up User
+      final response = await supabase.auth.signUp(
+        emailController.text.trim(),
+        passwordController.text,
+      );
+
+      final error = response.error;
+
+      if (mounted) {
+        if (error != null) {
+          context.showErrorSnackBar(message: error.message);
+        } else {
+          Navigator.pushReplacementNamed(context, MainScreen.ID);
+        }
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Login'),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(MEDIUM_SPACE),
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: <Widget>[
+            Text(
+              'Login',
+              style: theme.textTheme.headline1,
+            ),
+            const SizedBox(height: LARGE_SPACE),
+            const Text(
+              'Sign in to your account. If you do not have one already, we will automatically set up one for you.',
+            ),
+            const SizedBox(height: MEDIUM_SPACE),
+            TextFormField(
+              controller: emailController,
+              autofocus: true,
+              autofillHints: const [AutofillHints.email],
+              decoration: const InputDecoration(labelText: 'Email'),
+            ),
+            const SizedBox(height: SMALL_SPACE),
+            TextFormField(
+              obscureText: true,
+              controller: passwordController,
+              decoration: const InputDecoration(
+                labelText: 'Password',
+              ),
+            ),
+            const SizedBox(height: MEDIUM_SPACE),
+            ElevatedButton.icon(
+              icon: const Icon(Icons.arrow_right),
+              label: const Text('Login'),
+              onPressed: isLoading ? null : () => callWithLoading(signIn),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/screens/main_screen.dart

@@ -0,0 +1,261 @@
+import 'dart:io';
+
+import 'package:camera/camera.dart';
+import 'package:flutter/material.dart';
+import 'package:share_location/constants/spacing.dart';
+import 'package:share_location/extensions/snackbar.dart';
+import 'package:share_location/managers/file_manager.dart';
+import 'package:share_location/managers/global_values_manager.dart';
+import 'package:share_location/screens/main_screen/permissions_required_page.dart';
+import 'package:share_location/utils/auth_required.dart';
+import 'package:share_location/utils/loadable.dart';
+import 'package:share_location/widgets/camera_button.dart';
+import 'package:share_location/widgets/change_camera_button.dart';
+import 'package:share_location/widgets/today_photo_button.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+class MainScreen extends StatefulWidget {
+  static const ID = 'main';
+
+  const MainScreen({Key? key}) : super(key: key);
+
+  @override
+  State<MainScreen> createState() => _MainScreenState();
+}
+
+class _MainScreenState extends AuthRequiredState<MainScreen> with Loadable {
+  bool isRecording = false;
+  bool hasGrantedPermissions = false;
+  List? lastPhoto;
+
+  late User _user;
+
+  CameraController? controller;
+
+  @override
+  bool get isLoading =>
+      super.isLoading || controller == null || !controller!.value.isInitialized;
+
+  @override
+  void initState() {
+    super.initState();
+
+    callWithLoading(getLastPhoto);
+  }
+
+  @override
+  void dispose() {
+    controller?.dispose();
+    super.dispose();
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    final CameraController? cameraController = controller;
+
+    // App state changed before we got the chance to initialize.
+    if (cameraController == null || !cameraController.value.isInitialized) {
+      return;
+    }
+
+    if (state == AppLifecycleState.inactive) {
+      cameraController.dispose();
+    } else if (state == AppLifecycleState.resumed) {
+      onNewCameraSelected(cameraController.description);
+    }
+  }
+
+  @override
+  void onAuthenticated(Session session) {
+    final user = session.user;
+
+    if (user != null) {
+      _user = user;
+    }
+  }
+
+  Future<void> getLastPhoto() async {
+    final data = await FileManager.getLastFile(_user);
+
+    setState(() {
+      lastPhoto = data;
+    });
+  }
+
+  void onNewCameraSelected(final CameraDescription cameraDescription) async {
+    final previousCameraController = controller;
+    // Instantiating the camera controller
+    final CameraController cameraController = CameraController(
+      cameraDescription,
+      ResolutionPreset.high,
+      imageFormatGroup: ImageFormatGroup.jpeg,
+    );
+    cameraController.setFlashMode(FlashMode.off);
+
+    await previousCameraController?.dispose();
+
+    controller = cameraController;
+
+    // Update UI if controller updates
+    controller!.addListener(() {
+      if (mounted) setState(() {});
+    });
+
+    controller!.initialize().then((_) {
+      if (!mounted) {
+        return;
+      }
+      setState(() {});
+    });
+  }
+
+  Future<void> takePhoto() async {
+    if (controller!.value.isTakingPicture) {
+      return;
+    }
+
+    controller!.setFlashMode(FlashMode.off);
+    final file = File((await controller!.takePicture()).path);
+
+    try {
+      await FileManager.uploadFile(_user, file);
+    } catch (error) {
+      if (mounted) {
+        context.showErrorSnackBar(message: error.toString());
+      }
+      return;
+    }
+
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('Photo saved.'),
+          backgroundColor: Colors.green,
+        ),
+      );
+
+      await getLastPhoto();
+    }
+  }
+
+  Future<void> takeVideo() async {
+    if (!controller!.value.isRecordingVideo) {
+      // Recording has already been stopped
+      return;
+    }
+
+    setState(() {
+      isRecording = false;
+    });
+
+    final file = File((await controller!.stopVideoRecording()).path);
+
+    try {
+      await FileManager.uploadFile(_user, file);
+    } catch (error) {
+      if (mounted) {
+        context.showErrorSnackBar(message: error.toString());
+      }
+      return;
+    }
+
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('Video saved.'),
+          backgroundColor: Colors.green,
+        ),
+      );
+      await getLastPhoto();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.black,
+      body: SafeArea(
+        child: () {
+          if (!hasGrantedPermissions) {
+            return Center(
+              child: PermissionsRequiredPage(
+                onPermissionsGranted: () {
+                  onNewCameraSelected(GlobalValuesManager.cameras[0]);
+
+                  setState(() {
+                    hasGrantedPermissions = true;
+                  });
+                },
+              ),
+            );
+          }
+
+          if (isLoading) {
+            return const Center(
+              child: CircularProgressIndicator(),
+            );
+          }
+
+          return SizedBox(
+            width: MediaQuery.of(context).size.width,
+            height: MediaQuery.of(context).size.height,
+            child: Stack(
+              alignment: Alignment.center,
+              children: <Widget>[
+                controller!.buildPreview(),
+                Column(
+                  mainAxisAlignment: MainAxisAlignment.end,
+                  children: <Widget>[
+                    Padding(
+                      padding: const EdgeInsets.all(LARGE_SPACE),
+                      child: Row(
+                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                        children: <Widget>[
+                          ChangeCameraButton(onChangeCamera: () {
+                            final currentCameraIndex = GlobalValuesManager
+                                .cameras
+                                .indexOf(controller!.description);
+                            final availableCameras =
+                                GlobalValuesManager.cameras.length;
+
+                            onNewCameraSelected(
+                              GlobalValuesManager.cameras[
+                                  (currentCameraIndex + 1) % availableCameras],
+                            );
+                          }),
+                          CameraButton(
+                            active: isRecording,
+                            onVideoBegin: () async {
+                              if (controller!.value.isRecordingVideo) {
+                                // A recording has already started, do nothing.
+                                return;
+                              }
+
+                              setState(() {
+                                isRecording = true;
+                              });
+
+                              await controller!.startVideoRecording();
+                            },
+                            onVideoEnd: takeVideo,
+                            onPhotoShot: takePhoto,
+                          ),
+                          lastPhoto == null
+                              ? TodayPhotoButton()
+                              : TodayPhotoButton(
+                                  data: lastPhoto![0],
+                                  type: lastPhoto![1],
+                                ),
+                        ],
+                      ),
+                    )
+                  ],
+                ),
+              ],
+            ),
+          );
+        }(),
+      ),
+    );
+  }
+}

lib/screens/main_screen/permissions_required_page.dart

@@ -0,0 +1,108 @@
+import 'package:flutter/material.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:share_location/constants/spacing.dart';
+
+class PermissionsRequiredPage extends StatefulWidget {
+  final VoidCallback onPermissionsGranted;
+
+  const PermissionsRequiredPage({
+    Key? key,
+    required this.onPermissionsGranted,
+  }) : super(key: key);
+
+  @override
+  State<PermissionsRequiredPage> createState() =>
+      _PermissionsRequiredPageState();
+}
+
+class _PermissionsRequiredPageState extends State<PermissionsRequiredPage> {
+  bool hasDeniedForever = false;
+  bool hasGrantedCameraPermission = false;
+  bool hasGrantedMicrophonePermission = false;
+
+  @override
+  void initState() {
+    super.initState();
+
+    checkPermissions();
+  }
+
+  Future<void> checkPermissions() async {
+    final cameraStatus = await Permission.camera.status;
+    final microphoneStatus = await Permission.microphone.status;
+
+    setState(() {
+      hasGrantedCameraPermission = cameraStatus.isGranted;
+      hasGrantedMicrophonePermission = microphoneStatus.isGranted;
+    });
+
+    if (cameraStatus.isPermanentlyDenied ||
+        microphoneStatus.isPermanentlyDenied) {
+      setState(() {
+        hasDeniedForever = true;
+      });
+
+      return;
+    }
+
+    if (cameraStatus.isGranted && microphoneStatus.isGranted) {
+      widget.onPermissionsGranted();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        Text(
+          'Permissions Required',
+          style: Theme.of(context).textTheme.headline1,
+        ),
+        const SizedBox(height: MEDIUM_SPACE),
+        const Text(
+          'Please grant permissions to use this app',
+        ),
+        const SizedBox(height: LARGE_SPACE),
+        if (hasDeniedForever) ...[
+          const Text(
+            'You have permanently denied permissions required to use this app. Please enable them in the settings.',
+          ),
+          const SizedBox(height: LARGE_SPACE),
+          TextButton.icon(
+            onPressed: () => openAppSettings(),
+            icon: const Icon(Icons.settings),
+            label: const Text('Open Settings'),
+          ),
+        ] else ...[
+          TextButton.icon(
+            onPressed: hasGrantedCameraPermission
+                ? null
+                : () async {
+                    await Permission.camera.request();
+                    await checkPermissions();
+                  },
+            icon: const Icon(Icons.camera_alt),
+            label: Text(
+              'Grant camera permission${hasGrantedCameraPermission ? ' - Granted!' : ''}',
+            ),
+          ),
+          const SizedBox(height: MEDIUM_SPACE),
+          TextButton.icon(
+            onPressed: hasGrantedMicrophonePermission
+                ? null
+                : () async {
+                    await Permission.microphone.request();
+                    await checkPermissions();
+                  },
+            icon: const Icon(Icons.mic),
+            label: Text(
+              'Grant microphone permission ${hasGrantedMicrophonePermission ? ' - Granted!' : ''}',
+            ),
+          ),
+        ],
+      ],
+    );
+  }
+}

lib/screens/welcome_screen.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:share_location/constants/spacing.dart';
+import 'package:share_location/managers/startup_page_manager.dart';
+import 'package:share_location/screens/main_screen.dart';
 import 'package:share_location/widgets/logo.dart';
 
 class WelcomeScreen extends StatelessWidget {
@@ -38,9 +40,11 @@ class WelcomeScreen extends StatelessWidget {
             ),
             const SizedBox(height: LARGE_SPACE),
             ElevatedButton.icon(
-              icon: Icon(Icons.arrow_right),
-              label: Text('Start'),
-              onPressed: () {},
+              icon: const Icon(Icons.arrow_right),
+              label: const Text('Start'),
+              onPressed: () {
+                StartupPageManager.navigateToNewPage(context, MainScreen.ID);
+              },
             ),
           ],
         ),

lib/utils/auth_required.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+import 'package:share_location/screens/login_screen.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+
+class AuthRequiredState<T extends StatefulWidget>
+    extends SupabaseAuthRequiredState<T> {
+  @override
+  void onUnauthenticated() {
+    if (mounted) {
+      Navigator.of(context)
+          .pushNamedAndRemoveUntil(LoginScreen.ID, (route) => false);
+    }
+  }
+}

lib/utils/loadable.dart

@@ -0,0 +1,21 @@
+mixin Loadable {
+  bool _isLoading = false;
+
+  bool get isLoading => _isLoading;
+
+  void setState(void Function() callback);
+
+  Future<void> callWithLoading(Future<void> Function() callback) async {
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      await callback();
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+}

lib/widgets/camera_button.dart

@@ -0,0 +1,74 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class CameraButton extends StatelessWidget {
+  final bool active;
+  final VoidCallback onPhotoShot;
+  final VoidCallback onVideoBegin;
+  final VoidCallback onVideoEnd;
+
+  const CameraButton({
+    Key? key,
+    required this.onPhotoShot,
+    required this.onVideoBegin,
+    required this.onVideoEnd,
+    this.active = false,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      onTap: () {
+        HapticFeedback.heavyImpact();
+
+        if (active) {
+          onVideoEnd();
+        } else {
+          onPhotoShot();
+        }
+      },
+      onLongPress: () {
+        HapticFeedback.heavyImpact();
+
+        if (active) {
+          onVideoEnd();
+        } else {
+          onVideoBegin();
+        }
+      },
+      child: Stack(
+        alignment: Alignment.center,
+        children: active
+            ? const <Widget>[
+                Icon(
+                  Icons.circle,
+                  size: 75,
+                  color: Colors.white,
+                ),
+                Icon(
+                  Icons.circle,
+                  size: 65,
+                  color: Colors.red,
+                ),
+                Icon(
+                  Icons.stop,
+                  size: 45,
+                  color: Colors.white,
+                ),
+              ]
+            : <Widget>[
+                Icon(
+                  Icons.circle,
+                  size: 75,
+                  color: Colors.white.withOpacity(.2),
+                ),
+                const Icon(
+                  Icons.circle,
+                  size: 50,
+                  color: Colors.white,
+                ),
+              ],
+      ),
+    );
+  }
+}

lib/widgets/change_camera_button.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class ChangeCameraButton extends StatelessWidget {
+  final VoidCallback onChangeCamera;
+
+  const ChangeCameraButton({
+    Key? key,
+    required this.onChangeCamera,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      enableFeedback: false,
+      highlightColor: Colors.transparent,
+      onTap: () {
+        HapticFeedback.heavyImpact();
+        onChangeCamera();
+      },
+      child: Stack(
+        alignment: Alignment.center,
+        children: <Widget>[
+          Icon(
+            Icons.circle,
+            size: 60,
+            color: Colors.white.withOpacity(.2),
+          ),
+          Icon(
+            Icons.camera_alt,
+            size: 30,
+            color: Colors.white,
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/widgets/today_photo_button.dart

@@ -0,0 +1,99 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:share_location/constants/spacing.dart';
+import 'package:share_location/enums.dart';
+import 'package:video_player/video_player.dart';
+
+class TodayPhotoButton extends StatefulWidget {
+  final Uint8List? data;
+  final MemoryType? type;
+
+  const TodayPhotoButton({
+    Key? key,
+    this.data,
+    this.type,
+  }) : super(key: key);
+
+  @override
+  State<TodayPhotoButton> createState() => _TodayPhotoButtonState();
+}
+
+class _TodayPhotoButtonState extends State<TodayPhotoButton> {
+  VideoPlayerController? videoController;
+
+  @override
+  void initState() {
+    super.initState();
+
+    if (widget.type == MemoryType.video) {
+      initializeVideo();
+    }
+  }
+
+  Future<void> initializeVideo() async {
+    final tempDir = await getTemporaryDirectory();
+    final file = await File('${tempDir.path}/video.mp4').create();
+    file.writeAsBytesSync(widget.data!);
+
+    videoController = VideoPlayerController.file(file);
+    videoController!.initialize().then((value) {
+      setState(() {});
+      videoController!.setLooping(true);
+      videoController!.play();
+    });
+  }
+
+  @override
+  void dispose() {
+    videoController?.dispose();
+
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      child: Container(
+        width: 45,
+        height: 45,
+        decoration: BoxDecoration(
+          border: Border.all(
+            color: Colors.white,
+            width: 2,
+          ),
+          borderRadius: BorderRadius.circular(SMALL_SPACE),
+          color: Colors.grey,
+        ),
+        child: ClipRRect(
+            borderRadius: BorderRadius.circular(SMALL_SPACE),
+            child: () {
+              if (widget.data == null) {
+                return SizedBox();
+              }
+
+              switch (widget.type) {
+                case MemoryType.photo:
+                  return Image.memory(
+                    widget.data as Uint8List,
+                    fit: BoxFit.cover,
+                  );
+                case MemoryType.video:
+                  if (videoController == null) {
+                    return const SizedBox();
+                  }
+
+                  return AspectRatio(
+                    aspectRatio: videoController!.value.aspectRatio,
+                    child: VideoPlayer(videoController!),
+                  );
+                default:
+                  return const SizedBox();
+              }
+            }()),
+      ),
+    );
+  }
+}

pubspec.lock

@@ -15,6 +15,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  camera:
+    dependency: "direct main"
+    description:
+      name: camera
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.0+1"
+  camera_android:
+    dependency: transitive
+    description:
+      name: camera_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.0+1"
+  camera_avfoundation:
+    dependency: transitive
+    description:
+      name: camera_avfoundation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.8+3"
+  camera_platform_interface:
+    dependency: transitive
+    description:
+      name: camera_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  camera_web:
+    dependency: transitive
+    description:
+      name: camera_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   characters:
     dependency: transitive
     description:
@@ -43,6 +78,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.16.0"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.3+1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.2"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -57,6 +113,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -69,6 +139,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.7"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -128,6 +205,55 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  functions_client:
+    dependency: transitive
+    description:
+      name: functions_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1-dev.5"
+  gotrue:
+    dependency: transitive
+    description:
+      name: gotrue
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.3"
+  hive:
+    dependency: transitive
+    description:
+      name: hive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.3"
+  hive_flutter:
+    dependency: transitive
+    description:
+      name: hive_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.15.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.13.5"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.1"
   js:
     dependency: transitive
     description:
@@ -135,6 +261,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.4"
+  jwt_decode:
+    dependency: transitive
+    description:
+      name: jwt_decode
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.1"
   lints:
     dependency: transitive
     description:
@@ -163,6 +296,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   path:
     dependency: transitive
     description:
@@ -184,6 +324,90 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.19"
+  path_provider_ios:
+    dependency: transitive
+    description:
+      name: path_provider_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.7"
+  path_provider_macos:
+    dependency: transitive
+    description:
+      name: path_provider_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.6"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  permission_handler:
+    dependency: "direct main"
+    description:
+      name: permission_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "10.0.0"
+  permission_handler_android:
+    dependency: transitive
+    description:
+      name: permission_handler_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "10.0.0"
+  permission_handler_apple:
+    dependency: transitive
+    description:
+      name: permission_handler_apple
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "9.0.4"
+  permission_handler_platform_interface:
+    dependency: transitive
+    description:
+      name: permission_handler_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.7.0"
+  permission_handler_windows:
+    dependency: transitive
+    description:
+      name: permission_handler_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.0"
   petitparser:
     dependency: transitive
     description:
@@ -191,6 +415,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.0.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -198,6 +429,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
+  postgrest:
+    dependency: transitive
+    description:
+      name: postgrest
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.11"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.4"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  realtime_client:
+    dependency: transitive
+    description:
+      name: realtime_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.15"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -217,6 +476,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.10.0"
+  storage_client:
+    dependency: transitive
+    description:
+      name: storage_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.6+2"
   stream_channel:
     dependency: transitive
     description:
@@ -224,6 +490,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   string_scanner:
     dependency: transitive
     description:
@@ -231,6 +504,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  supabase:
+    dependency: transitive
+    description:
+      name: supabase
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.6"
+  supabase_flutter:
+    dependency: "direct main"
+    description:
+      name: supabase_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.3"
   term_glyph:
     dependency: transitive
     description:
@@ -245,6 +532,104 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.9"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
+  uni_links:
+    dependency: transitive
+    description:
+      name: uni_links
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.5.1"
+  uni_links_platform_interface:
+    dependency: transitive
+    description:
+      name: uni_links_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  uni_links_web:
+    dependency: transitive
+    description:
+      name: uni_links_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.0"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  url_launcher:
+    dependency: transitive
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.5"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.13"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  uuid:
+    dependency: "direct main"
+    description:
+      name: uuid
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.6"
   vector_math:
     dependency: transitive
     description:
@@ -252,6 +637,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
+  video_player:
+    dependency: "direct main"
+    description:
+      name: video_player
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.6"
+  video_player_android:
+    dependency: transitive
+    description:
+      name: video_player_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.8"
+  video_player_avfoundation:
+    dependency: transitive
+    description:
+      name: video_player_avfoundation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.5"
+  video_player_platform_interface:
+    dependency: transitive
+    description:
+      name: video_player_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.4"
+  video_player_web:
+    dependency: transitive
+    description:
+      name: video_player_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.12"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.7.0"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0+1"
   xml:
     dependency: transitive
     description:
@@ -261,4 +702,4 @@ packages:
     version: "6.1.0"
 sdks:
   dart: ">=2.17.5 <3.0.0"
-  flutter: ">=2.11.0-0.1.pre"
+  flutter: ">=3.0.0"

pubspec.yaml

@@ -36,6 +36,12 @@ dependencies:
   cupertino_icons: ^1.0.2
   flutter_svg: ^1.1.3
   flutter_secure_storage: ^5.1.0
+  camera: ^0.10.0+1
+  permission_handler: ^10.0.0
+  supabase_flutter: ^0.3.3
+  uuid: ^3.0.6
+  video_player: ^2.4.6
+  path_provider: ^2.0.11
 
 dev_dependencies:
   flutter_test: