Mobile App Development Flutter REST API Integration & Local Storage

Prerequisite: Module 4 (Navigation, Routing & Animations)

What you'll learn

• Make HTTP requests and consume REST APIs
• Parse JSON data into Dart model classes
• Handle loading, success, and error states in UI
• Store simple data using key-value storage
• Use local databases for structured data storage
• Implement offline-first applications with caching
• Combine API + local storage for better performance
• Build real-world data-driven Flutter apps

This course includes:

• 1 Real-World Mini Project (News Reader App)
• 12–16 Hours Live Classes
• Online / Onsite (Physical)
• API Integration Templates
• Practice Exercises
• Certificate of Completion

Course Content

REST API Integration

• Introduction to APIs & HTTP
• Using the http package
• Making GET requests
• Using FutureBuilder for async UI
• Handling:

• Loading states 
• Error states
  • Parsing JSON: 
• jsonDecode() 
• Creating model classes 

Local Storage (Key-Value)

• What is local storage?
• Using shared_preferences
• Saving user preferences
• Storing login tokens
• Reading & updating stored values

Local Database (SQLite)

• Introduction to local databases
• Using sqflite
• Creating tables
• CRUD operations:

• Create 
• Read 
• Update 
• Delete
  • Managing structured data locally 

Caching & Offline Support

• Why caching is important
• Offline-first app concept
• Combining API + local storage
• Basic caching strategies
• Intro to state persistence (e.g., Hydrated logic)
• Improving performance & user experience

Mini Project (Real-World Practice)

Project: News Reader App (Offline-First)

Features:

• Fetch news from REST API
• Display list of articles
• View detailed news screen
• Cache data locally for offline use
• Save user preferences (e.g., theme or category)
• Smooth UI with loading indicators

Requirements

• Completion of Module 4
• Understanding of Flutter UI & navigation
• Basic Dart knowledge

Description

This module focuses on connecting Flutter apps to real-world data. Students will learn how to fetch data from APIs, store it locally, and build apps that work even without internet access.

By the end of this module, learners will be able to create fully functional, data-driven mobile applications.

Why Choose This Course?

• Real-world app development skills
• API integration (industry standard)
• Offline-first architecture
• Database handling in Flutter
• Performance optimization techniques

Activities During Class

• Calling APIs
• Parsing JSON data
• Saving data locally
• Building offline features
• Developing real-world apps

Who Is This Course For?

• Flutter developers building real apps
• Students learning backend integration
• Developers moving toward full-stack mobile apps

Course Highlights

• REST API Integration
• JSON Parsing
• Local Storage (SharedPreferences)
• SQLite Database
• Offline Caching
• Mini Project