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Flutter framework

Flutter is an open-source UI software development kit (SDK) created by Google. It is a powerful framework used for building cross-platform mobile applications with a single codebase. Flutter enables developers to write code once and deploy it on multiple platforms, including iOS, Android, and even the web.

One of the key features of Flutter is its use of the Dart programming language, which was also developed by Google. Dart is a modern, object-oriented language that is easy to learn and offers a range of features for building robust and performant applications. Flutter leverages Dart's capabilities to provide a rich set of pre-built widgets and tools that help developers create visually appealing and responsive user interfaces.

Importance of Studying Flutter:

Studying Flutter in Nepal offers several benefits for aspiring mobile app developers:

Cross-platform Development: Flutter training allows developers to build applications that work seamlessly on multiple platforms. With a single codebase, you can reach a broader audience by targeting both iOS and Android users, reducing development time and effort.

Fast Development and Hot Reload: Flutter's hot reload feature enables developers to see changes in real-time as they modify code, providing a significantly faster development cycle. This rapid iteration allows for quick experimentation and enhances developer productivity.

Beautiful and Customizable UI: Flutter provides a rich set of customizable widgets that allow developers to create stunning and visually appealing user interfaces. The framework enables developers to achieve consistent UI across different platforms and screen sizes, resulting in a polished and consistent user experience.

Performance and Responsiveness: Flutter's architecture and rendering engine deliver high-performance applications with smooth animations and transitions. The framework utilizes a compiled language (Dart) and offers native-like performance, making Flutter apps fast and responsive.

Strong Community and Ecosystem: Flutter has a vibrant and rapidly growing community of developers. This community actively contributes to the framework by creating open-source packages and libraries that extend its capabilities. This vast ecosystem ensures that developers have access to a wide range of resources, tools, and solutions to enhance their app development process.

Prerequisites to Study Flutter:

While Flutter is beginner-friendly, having a foundation in the following areas can make it easier to grasp the concepts:

Object-Oriented Programming: Understanding the concepts of object-oriented programming (OOP) is beneficial for working with Flutter. Familiarity with concepts like classes, objects, inheritance, and encapsulation will help you write clean and structured code.

Mobile App Development: Although not mandatory, prior experience with mobile app development concepts, such as UI layouts, navigation, and handling user input, can provide a head start when learning Flutter.

Development Environment Setup: Knowledge of setting up development environments, including installing Flutter SDK and a code editor like Visual Studio Code, will be useful for getting started with Flutter quickly.

Duration : 2 Months

Syllabus Expand All
  • Introduction to Flutter and its features
  • Understanding the Flutter architecture
  • Setting up the development environment (installing Flutter SDK and editor)
  • Creating a basic Flutter project
  • Exploring the Flutter project structure
  • Introduction to Dart programming language
  • Dart syntax and basic concepts
  • Variables, data types, and operators in Dart
  • Control flow statements (if-else, switch, loops)
  • Functions and classes in Dart
  • Error handling and exceptions
  • Introduction to Flutter widgets
  • Stateless vs. Stateful widgets
  • Building UI layouts with widgets
  • Basic widgets: Text, Image, Container, Row, Column, etc.
  • Handling user input with widgets
  • Styling widgets with themes and styles
  • Understanding Flutter's widget tree hierarchy
  • Navigating between screens in Flutter
  • Using the Navigator class for screen navigation
  • Passing data between screens
  • Managing app state across screens
  • Implementing bottom navigation bars and tabs
  • Understanding the concept of state in Flutter
  • Managing state using Stateful Widget
  • Introduction to various state management approaches (setState, InheritedWidget, Provider, BLoC, Redux)
  • Implementing state management using Provider package
  • State management best practices
  • Making API calls in Flutter
  • Handling JSON data with Dart's built-in libraries
  • Using popular HTTP packages (Dio, http) for network requests
  • Parsing and serializing JSON data
  • Storing and retrieving data using local databases (Sqflite)
  • Working with shared preferences for simple data storage
  • Introduction to Firebase platform
  • Setting up Firebase project for Flutter
  • User authentication using Firebase Authentication
  • Real-time data synchronization with Firebase Realtime Database
  • Cloud Firestore integration for NoSQL database
  • Push notifications with Firebase Cloud Messaging (FCM)
  • Accessing device features (camera, sensors, location, etc.) in Flutter
  • Integrating native device functionalities using platform channels
  • Handling permissions and requesting user consent
  • Using packages for popular device features (camera, geolocation, sensors)
  • Testing apps on physical devices and emulators
  • Working with external APIs and web services
  • Consuming RESTful APIs in Flutter
  • Serializing and deserializing JSON data from APIs
  • Handling asynchronous operations with Futures and Streams
  • Error handling and data validation in API requests
  • Preparing your app for release
  • Building and generating APK and IPA files
  • Testing the app on different devices and platforms
  • App signing and generating release builds
  • Publishing apps to Google Play Store and Apple App Store
  • App store guidelines and submission process
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