Flutter & Firebase Chess: From Basics to Multiplayer

Craft the game screen user interface for a flutter chess app, showing stockfish, time, and dummy opponent data. Add avatars and wire asset references through an asset manager.

Designs the home screen as a 2-column grid of four game type cards, using a reusable game type widget with optional icons and on tap handlers for navigation and testing.

Build and connect the game time screen using a grid view of time options, with navigation to settings and about screens and on-tap selection to pick a game time.

Configure the game settings screen to select a player color, adjust computer difficulty, and set time with a custom option, then navigate to the game startup screen.

Learn to manage game state in Flutter using the provider package, exposing versus computer and loading flags and reading updates across screens for a chess app.

Create the game setup screen to let players choose color, set the game time, support custom time, and pass time data between the time selection and the game startup screen.

Create enums for player color and game difficulty, store reusable constants in a constants file, and build a reusable Flutter radio button widget to let players choose white or black.

Explore advanced settings for a Flutter chess app by implementing player color radio buttons and interactive time controls, including custom time, row layouts, decorative borders, and arrow-based time adjustments.

Choose player vs. computer modes and set difficulty with radio buttons. Use a provider to read selections and pass the chosen color and level to the play screen.

Learn to implement advanced game settings in a Flutter chess app, including custom time validation, snack bars, loading dialogs, and named route navigation.

Save user selections in the game provider by updating loading state, storing player color and time values (white time, black time, saved times), and exposing them via set game time.

Learn to save and read white and black game times with a provider, format durations, and configure player color and difficulty levels in a Flutter chess app.

This lecture shows how to handle non-custom time options in a Flutter & Firebase chess app, parsing incremental times, managing loading, and starting games against computer or players.

Shift the chess game's state management into a provider, initialize game data, expose getters and setters, implement reset game and flipboard, and manage AI thinking state.

Explore optimizing game state management in a Flutter chess app by implementing square moves, setting square state, and managing AI thinking via a provider.

Implement flutter chess timers with start and pause for white and black, using timer.periodic and increments, trigger game over on timeout, and let computer move first when you choose black.

Implement timer controls for white and black in the Flutter chess app, wiring start and pause functions to the game provider and on-move logic, with formatted, dynamic display.

Implement and debug chess timer logic in flutter: pause and switch white and black times correctly, handle AI moves, and prepare a game over listener and timeout checks.

Implement a game over dialog by listening for end events in the game provider, compute white and black scores, and show results with options for a new game or home.

Show how to trigger the game over dialog when a timer ends or the game ends, wire a game over listener, handle new game, and prepare for Stockfish integration.

Integrate the Stockfish engine to power a smarter chess AI in the Flutter app, initialize Stockfish, send the board position via UCI, and adjust difficulty through move time.

Learn to integrate the Stockfish engine in a Flutter chess app by extracting the best move from engine events, applying it to play, and handling timer synchronization and hot-reload quirks.

Learn to integrate and manage the Stockfish engine in a Flutter chess app, including delayed game state checks, stopping the engine on game end, and user prompts on exit.

Handle back-press events in a Flutter chess app by showing a leave-game confirmation, stopping Stockfish, and navigating to the home screen or notifying an online opponent.

Move into online play by building a firebase authentication flow with sign in, sign up, and log in screens, and using an auth state listener to support real-time friend matches.

Create a Flutter login screen with a stateful login widget, email and password fields, forgot password, and a full-width login button for a basic authentication screen.

Implement and style Google, guest, and Facebook sign-in buttons by building a reusable social button widget, applying text styling, alignment, and tappable interactions.

Design sign in and sign up UI in flutter with a have account widget, name and password fields, avatar picker, and navigation between sign in and sign up screens.

Connect your Flutter chess app to Firebase by creating a Firebase project, installing the Firebase command line interface, and configuring Android, iOS, and Web integrations.

Implement image selection on the signup screen in Flutter using image picker, image cropper, offering camera or gallery sources, with Android and iOS permissions and display of the cropped image.

Design and validate sign-up screen text fields for name, email, and password in Flutter, including input actions, max lengths, validation, password visibility toggling, and error handling before saving to Firestore.

Implement a sign-up flow in Flutter using a form with a global key, validate user input, show snackbars for errors, and prepare to save the user to Firestore.

Create a user model with uid, name, email, image, and createdAt, including toMap and fromMap methods, using constants for keys, define a sign-in type enum, and an authentication provider class.

Learn how to implement a Flutter Firebase authentication provider for sign-up with email and password, manage loading states, user model, and Firestore integration.

Set up Firebase authentication and Firestore in a Flutter and Firebase chess app, configure Android SHA-256 fingerprints, generate and verify a new user ID, and test sign-up flow.

Learn to sign up a user and save authentication data to Firestore, including optional profile image upload to Firebase Storage, linking by user id and created date.

Implement sign-in with email and password using Flutter and Firebase, validating credentials and storing user data in shared preferences. Navigate to home or user information screen based on Firestore data.

Resolve sign-in issues by restarting apps after package updates, resetting forms, and implementing a sign-in check that skips the login screen when a user is already signed in.

Implement an auth state listener to auto-navigate signed-in users to the home screen on startup, using Firestore and shared preferences to manage user data for online chess.

Create a game in Firestore by adding an available game document with creator data and times, then search for and join waiting players to start multiplayer chess.

Join game method uses document snapshot and user model, handles success and failure, and initializes a game model with IDs, creator data, moves, and board state.

Establish a Firestore game directory for a Flutter chess app, define the game model and player data, and save the running game document with board state and moves.

Learn to join a Firebase chess game by updating is playing, parsing white and black times, and syncing the opponent's data (uid, name, photo) with the joining player as black.

Learn how to search for players in Firestore by creating a new game or joining an existing one, while managing the isPlaying flag and displaying waiting text during connection.

Test the search player method by creating and joining games across two emulators, verify loading state handling, and observe Firestore updates that navigate to the game screen.

Create and finalize a method to check if the opponent joined a Flutter and Firebase chess game, streaming Firestore updates, updating game state, and navigating to the game screen.

Learn to listen for game changes in Firestore to support both computer and human play in a Flutter chess app, updating the board and timers in real time.

Display the correct chess board when playing against a friend, update and show player ratings in Firestore, and build a widget to display opponent details in multiplayer games.

Fixes game data handling in Firestore by renaming the creator uuid and aligning fields. Tests multiplayer setup to ensure correct player colors and board display.

Learn to implement online chess between devices using Flutter and Firebase by submitting moves to Firestore, updating turns, and syncing game state for white and black players.

Explore why the online chess app switches from algebraic moves to move strings for real-time updates and promotions, and how it converts firestore moves into square moves for online play.

Convert a move string from Firestore into a move object for online chess. Handle from-to, promotion, and piece details, and test in a multiplayer Flutter Firebase setup.

Cancel the game stream subscription when the game ends to stop listening for game changes in the Flutter & Firebase chess app.

Update Flutter chess game screen by replacing the deprecated will pop scope with pop scope, wiring on pop invoked with did pop and can pop checks to preserve navigation.