Best practices of Flutter app development with Diagram

Written by admin
Published on July 6, 2023

When it comes to Flutter app development, there are several best practices that can help ensure a clean and maintainable codebase. Here’s an overview of the best practices along with a diagram illustrating the architectural structure of a typical Flutter app:

  • Folder Structure:
    • Follow a modular approach by dividing your code into logical modules or features.
    • Use the package structure, such as “lib/src” or “lib/features,” to organize your code.
    • Group related files together, such as placing screens, widgets, and models in separate folders.
  • Architecture:
    • Implement a scalable and maintainable architecture like the BLoC (Business Logic Component) pattern or Provider pattern.
    • Use separate layers for UI, business logic, and data access.
    • Ensure a clear separation of concerns by keeping UI components as dumb as possible.
  • Widget Structure:
    • Break down your UI into reusable widgets, promoting code reuse and reducing duplication.
    • Follow the principle of a single responsibility for each widget.
    • Use composition to build complex UI structures.
  • State Management:
    • Choose an appropriate state management solution like Provider, Riverpod, or MobX.
    • Avoid relying solely on StatefulWidget for managing complex application state.
    • Minimize unnecessary widget rebuilds by using value-based equality checks.
  • Networking:
    • Abstract API calls using separate repository or data layer classes.
    • Use platform-specific packages (e.g., Dio) or Flutter’s built-in HTTP client (http.dart) for making HTTP requests.
    • Implement error handling and retries for network operations.
  • Error Handling:
    • Catch and handle exceptions appropriately.
    • Implement error and exception classes to provide clear error messages and stack traces.
    • Use error reporting tools like Crashlytics or Sentry to monitor and analyze crashes.
  • Testing:
    • Write unit tests for critical business logic and utility functions.
    • Use widget tests to verify the behavior of UI components.
    • Employ integration tests to test the interaction between different parts of your app.
  • In this diagram, the UI layer represents the user interface of the app, consisting of widgets and screens. The Business Logic layer contains the BLoC or Provider classes responsible for managing the application state and handling business logic. The Data Access layer handles data retrieval and storage, interacting with APIs or databases.

Note that this diagram represents a simplified architecture, and depending on the complexity and requirements of your app, you may have additional layers or variations in the implementation.

Read Similar Articles

Mobile App Development
iOS App Development
Android App Development
Android library development
iPad App Development
Swift/SwiftUI/Objective C
iOS SDK/framework development
Android SDK
Android Studio
Cross Platform Mobile App Development
Flutter, Dart
UI/UX Design
UI/UX: Mobile design
UX/UI designing
Interface design
Mobile & Web app design
Figma, Adobe XD, Sketch, Zeplin, Invision
Full stack development
Backend Development
Restful API Development
Website development
Frontend Development
HTML, CSS, and JavaScript
App Development
QA, Unit Testing, Regression Testing
Quality Assurance

Health care Mobile App Development
Ecommerce Mobile App Development
Educational Mobile App Development
Hospitality Mobile App Development
Dating Mobile App Development
Matrimony Mobile App Development
Social Media Mobile App Development
Sales & Marketing Mobile App Development
Real Estate and Property Mobile App Development
Media & Entertainment Mobile App Development
Human Resources Mobile App Development
Financial & Banking Sector Mobile App Development
Crypto Investment Mobile App Development
Loyalty Reward Mobile App Development
Transport and Automotive Mobile App Development
Ride Booking Mobile App Development
Chatting Mobile App Development
Audio & Video Calling App Development
Music player Mobile App Development
Fitness Mobile App Development
E-learning Mobile App Development
Event organiser Mobile App Development
Language learning Mobile App Development
Food ordering & delivery Mobile App Development
Fasting tracker Mobile App Development
Video news Mobile App Development
Sports Betting Mobile App Development
Ebook Reader Mobile App Development
Event Ticket Booking Mobile App Development

Train Ticket Booking App
Bus Ticket Booking App
Flight Ticket Booking App
University Degree Planner App
Tutor Finder App
Car Workshop Process Tracking App
Service Booking App
Influencer Video-Audio Call Scheduling App
Food Selling App
Food Store App
Time Tracking App
Home Caregiver Management App
Health App
Doctor App
Clinic App
Tourism App
Travel App
Courier Delivery Service App
Workout App
Excel to Mobile App
Sports Live Score App
Human Skill Learning Platform
Gym Management App
VoIP Caller App
Hotel Management App
Mobile Payment App
Digital Gift Card App
Rewards App
Philosophical Quotes App
Audiobooks, Podcasts, News Listening App
Marketplace App
Team Communication App
Messaging App
Story App
Location-Based Audio Guide App
Tourism Startup App
School Management App
Sleep Guided Meditation App
Sleeping Music App
Data Survey App
Questionnaire App
Stock Market App
Survey App
QR Code Scanner App
Daily Expense Manager App
Expense Tracker App
Cryptocurrency Investment App
Fintech App
Audio Streaming App

Mobile Application Architect
Mobile App Developer
iOS App Developer
Android App Developer
Flutter App Developer
Code Optimization
Performance tuning
CI/CD - Continous Integration & Continuous Delivery
Web Socket
REST API Integration
Firebase Integration
Social Signin
Deep linking
In-app purchases
Payment Gateway Integration
Stripe, Paypal, PayU, Paytm, Plaid
Push notifications
Firebase Cloud Messaging
Apple Push Notification Service
User authentication
User profile creation
Realm Database
Firebase Cloud Firestore
Firebase Realtime Database
Firebase Remote Config
Firebase Analytics
Twilio API
Apple Pay
Google Pay
Youtube API
Mapbox Navigation
Spotify SDK
Firebase Cloud Functions
ML Kit
Offline Maps
Google Map