Learn FLUTTER with Real Code Examples

Updated Nov 17, 2025

Introduction & Fundamentals Setup & Configuration Architecture & Deep Internals Performance & Security Development Workflow Learning & Career Growth Business & Strategy Examples

Practical Examples

REST API CRUD app

E-commerce UI with carts

Animation-heavy onboarding screens

Real-time chat application

Troubleshooting

Fix layout overflow errors

Resolve pubspec.yaml dependency conflicts

Debug black-screen build failures

Fix iOS code signing issues

Testing Guide

Unit testing with test package

Widget testing with flutter_test

Integration testing with Flutter Driver

Golden tests for UI

Mocking APIs using Mockito

Deployment Options

Android (APK/AAB)

iOS (IPA)

Web build

macOS/Windows/Linux desktop builds

Publishing to Play Store/App Store

Tools Ecosystem

Flutter SDK

Dart DevTools

Android Studio & VSCode

Firebase

Flutter community packages

CI/CD tools like Codemagic

Integrations

Firebase Auth, Firestore, Storage

REST & GraphQL APIs

Stripe payments

Native device APIs via plugins

Platform channels for custom native code

Productivity Tips

Use snippets and templates

Leverage hot reload efficiently

Use DevTools for debugging

Break UI into reusable widgets

Challenges

Build Instagram UI clone

Build weather app with API

Implement Redux/BLoC architecture

Create a custom widget library