Flutter Group Chat BLoC Pattern | TDD | Clean Architecture

Learn dependency injection in a Flutter app using a service locator and lazy singletons. Register the course repository and remote data source, with Firestore and auth clients.

Explore building a modular Flutter home UI using the BLoC pattern and clean architecture, featuring a scaffolded home view, app bar, gradient background, course qubit integration, and a course-of-the-day notifier.

Build the add course UI in Flutter for admins, using a BLoC pattern with a modal bottom sheet form for title, description, and image, including validation and image picking.

Create a responsive Flutter home header with a 300 height stack showing the user name, and implement tinder‑like cards using a custom widget and package integration.

Develop the Flutter home view and course detail screen, featuring a modular header, a subject list with course tiles, and a navigable all courses view with expandable descriptions.

Build the video domain and data layers, defining a video entity and a get videos and add video repository, wired to the server for course videos, with tests guiding implementation.

Build and test the video data layer for a Flutter app, implementing video model from map and to map, handling timestamps and thumbnails within a clean architecture using TDD.

Create and test a video qubit using dependency injection, equatable state, and multi-provider wiring to load and manage videos within a Flutter app's home page and router.

Explore the material feature walk through, examining the material resource entity, its fields, and how files and URLs are handled in the UI and Firestore, with repository and tests.

Implement multi material addition in the Flutter group chat BLoC by the admin looping through materials and emitting errors on failure, then emitting materials added after the loop completes.

The lecture walks through qubit tests, including the initial state and functionality tests, identifying a material error and demonstrating fixes via conditional emission and an injection container.

Learn how an exam is modeled with xml-like structures, including time limits, questions, and question choices, plus exam history and user answers under clean architecture.

Define exam entities from admin json uploads, modeling the exam, exam questions, and question choices. Build to map and from map conversions, plan user exam history with answers and isCorrect.

Develop exam models in Flutter using from map and from upload map constructors to parse admin json and firestore data, assemble exam questions and choices, and test them.

Implement the repository according to the established pattern, covering seven functionalities, then write and cross-check the long test. Review the remote data source interface and its stub before proceeding.

Explore how Firestore batch writes enable atomic multi-document updates and offline persistence, and implement a data source to upload exams and fetch exam questions in a Flutter app using TDD.

Demonstrates submitting an exam via a remote data source, updating user points, and enrolling the user in on-road courses in Firestore, with emphasis on TDD and clean architecture.

Explore the exam bloc with loading, exam questions retrieval, and various success and error states, and implement dependency injection using a service locator and lazy singletons.

Design the home screen UI to display exams, materials, and videos from domain to data, guided by clean architecture and a course of the day video fetch.

Explore implementing a per-user notification entity in a flutter app, including a domain model with equatable, a firestore subcollection strategy, and a category enum with string mapping and icons.

Define a notification repo interface, mark as read when a notification tile builds, and implement send, get all, and clear by id via a stream for real-time updates.

Define and test the notification model with a default unseen flag, map category values from Firestore, and ensure copy with yields a notification model while tests exclude server timestamp fields.

Implement the notification repository in the data layer by wiring the remote data source and transforming streams to emit either a list of notifications or a failure, following TDD.

Explore testing and implementing a Firestore-backed notification remote source in a Flutter group chat app using TDD and clean architecture, covering get and send notifications, batch writes, and streaming.

implement get notifications as a stream in the notification cubit, returning a stream of either a notification error or a list of notifications, with tests for success and failure.

Builds a Flutter notification UI in the home bar using a bloc provider and badges for unread notifications, with a dedicated notifications view.

Build a Flutter admin UI for video management using the BLoC pattern, featuring course selection, YouTube metadata extraction and thumbnails, and dynamic video forms.

Build a video ui part 2 in flutter, with a header and thumbnail, tapping launches YouTube or in-app video, using video utils for playback and link handling.

Finalizes the course videos feature by fetching and displaying all videos for a course, with a header, a video list, and a chewie-based YouTube player.

Build a scalable add resource UI for flutter course materials with a single author controller. Support picking multiple resources via file picker, per-resource edits via a dialog.