Series: Flutter Development Tutorial (Beginner to Intermediate)
Flutter Development Tutorial (Beginner to Intermediate)
Part 1: Introduction to Flutter and Environment Setup Part 2: Dart Basics for Flutter Part 3: Understanding Widgets and Building UI Part 4: Navigation and Routing Part 5: Working with Forms and Input Handling Part 6: Lists, Grids, and Dynamic Content Part 7: Advanced State Management Part 8: Connecting to APIs and Data Handling Part…
Part 1: Introduction to Flutter and Environment Setup
1. What is Flutter? Flutter is Google’s UI toolkit for building natively compiled applications for mobile, web, and desktop from a single codebase. It is highly efficient, and some major apps like Google Ads and Alibaba are built using it. 2. Setting Up Development Environment Step 1: Install Flutter SDK Step 2: Install an IDE…
Part 2: Dart Basics for Flutter
4. Introduction to Dart Programming (Deeper Dive) Variables, Data Types, and Keywords var: Can be reassigned, but Dart infers the type based on the initial value. final: Cannot be reassigned after initialization but is not a compile-time constant.dart. const: Like final, but it must be a compile-time constant (i.e., known when the program starts). Note:…
Part 3: Understanding Widgets and Building UI
6. Widgets Overview (Deeper Dive) Stateless Widgets vs. Stateful Widgets (More Details) Understanding build() Method Every widget must implement a build() method, which returns the UI. Code Example of Stateless Widget: Code Example of Stateful Widget: Note: setState(): Notifies the framework to rebuild the widget with the updated state. 7. Building a Simple User Interface…
Part 4: Navigation and Routing
9. Handling User Input (Forms, TextFields, Validation) Handling user input efficiently in Flutter involves using TextField, Form, TextEditingController, and validating inputs. 9.1 TextField and TextEditingController The TextField widget allows users to input text, and the TextEditingController manages the text entered in a TextField. 9.2 Using Forms and Validation Flutter’s Form widget is useful for validating…
Part 5: Working with Forms and Input Handling
11. Managing Asynchronous Code in Flutter Flutter uses Dart’s Future and async/await for handling asynchronous tasks such as API calls, file reading, or database access.11.1 Using Future and async/await Dart’s Future represents an asynchronous computation that will return a result in the future. Code Example: Simple Future and async/await Best Practices for Asynchronous Code 12….
Part 6: Lists, Grids, and Dynamic Content
13. API Integration in Flutter (HTTP Requests) Most mobile apps require data from remote servers or APIs. Flutter supports making HTTP requests to fetch data from RESTful services.13.1 Adding HTTP Dependency To make HTTP requests, add the http package in pubspec.yaml: 13.2 Making a GET Request Using http.get() allows you to fetch data from an…
Part 7: Advanced State Management
15. Forms and Validation Forms are critical for collecting user input, and Flutter provides a powerful way to build and validate forms. Using the Form widget along with input fields like TextFormField allows you to collect, manage, and validate data easily. 15.1 Building a Simple Form Flutter’s Form widget helps organize and manage multiple form…