Build real, multi-screen Flutter apps that talk to live data

Plan screens and data, set up a tidy project and choose packages with care.

1. From idea to screens and user flows11 min
2. Project structure and folders that scale11 min
3. Packages and pub.dev: choosing them safely12 min
4. Linting and consistent code style8 min
5. Git basics for app projects12 min
6. Reading the Flutter docs and error messages10 min

Build multi-screen navigation with tabs, menus, passed data and deep links.

1. Navigator push and pop11 min
2. Passing data between screens and returning results11 min
3. Declarative routing with go_router15 min
4. Bottom navigation and tabs12 min
5. Drawers and nested navigation10 min
6. Deep links explained10 min

Build forms that validate input clearly and are pleasant to fill in on a phone.

1. Form and TextFormField12 min
2. Validation rules and helpful error messages11 min
3. Keyboard types, focus and input formatters11 min
4. Dropdowns, date pickers and time pickers11 min
5. Submitting and showing loading states10 min
6. Accessible forms9 min

Manage shared app state cleanly with Provider and ChangeNotifier, and know the alternatives.

1. What state is and why setState stops scaling11 min
2. Lifting state up10 min
3. ChangeNotifier and Provider16 min
4. Reading, watching and selecting state12 min
5. Structuring an app with view models and repositories15 min
6. Alternatives compared: Riverpod, Bloc and others13 min
7. Choosing an approach for your own projects8 min

Fetch, send and display live data from a REST API with proper loading and error handling.

1. How APIs work: requests, responses and status codes11 min
2. Making GET requests with the http package12 min
3. Parsing JSON into Dart model classes15 min
4. Code generation with json_serializable11 min
5. POST, PUT and DELETE requests12 min
6. FutureBuilder, loading and error states12 min
7. API keys and what never to put in an app10 min

Save settings, files and structured data on the device, and cache API results.

1. Saving settings with shared_preferences10 min
2. Reading and writing files10 min
3. A local database with SQLite16 min
4. Secure storage for tokens10 min
5. Caching API data for speed12 min

Show remote images efficiently and let users pick or take photos with the right permissions.

1. Network images and caching10 min
2. Picking images from the gallery11 min
3. Taking photos with the camera12 min
4. Permissions on Android and iOS13 min
5. Resizing and compressing images before upload10 min

Make data-heavy screens fast and friendly, with search, refresh and smooth transitions.

1. Building efficient long lists12 min
2. Pull to refresh and infinite scrolling12 min
3. Search and filtering11 min
4. Implicit animations11 min
5. Hero animations and page transitions10 min
6. Empty, error and offline states10 min

Write unit, widget and integration tests so changes do not quietly break your app.

1. Why test, and what is worth testing9 min
2. Unit tests for Dart logic12 min
3. Widget tests14 min
4. Mocking API calls12 min
5. Integration tests on a device12 min
6. Reading test output and fixing failures9 min

Plan, build and test a complete multi-screen app that uses live data and local storage.

1. Capstone brief: an events app with live data and favourites9 min
2. Setting up the architecture and models14 min
3. Building the screens and navigation16 min
4. Connecting the API and saving favourites locally16 min
5. Tests, tidy-up and a release build13 min
6. Final exam and what comes next in Part 37 min