1.
What Does Flutter Mean?
Flutter is an open-source, multi-platform application development SDK developed by Google. Flutter is built with the Dart language and enables application development for iOS, Android, web, Windows, macOS, and Linux targets using a single codebase. All the details you are curious about Flutter—an important SDK for developers and teams—are covered in this article!
Let’s start by answering what is Flutter in detail: Developed by Google and using the Dart programming language, Flutter is an open-source UI development SDK. This SDK, which enables applications written in the Dart programming language to be compiled and packaged for different target platforms, is supported by Google. By allowing application development for multiple targets with a single codebase, Flutter aims for high performance with native compilation outputs in release builds for mobile and desktop; on the web, the compilation output is shaped according to the browser runtime.
2.
What Is Flutter Used For?
The primary goal of Flutter is to standardize the process of developing applications for multiple platforms using a single codebase. Frequently used by startups and developers who want to build applications for Android or iOS, this SDK enables the development of high-performance, user-centric applications. Preferred for designing modern and fluid user interfaces, Flutter is also ideal for rapid prototyping.
3.
How Is Flutter Used?
What is Flutter and how is it used—let’s briefly explain: To use Flutter, you first download the “Flutter SDK,” set the required environment variables, and verify the installation using the “flutter doctor” command. Next, you choose a development environment. The most commonly used editors are typically VS Code, Android Studio, and IntelliJ IDEA. To create a new Flutter project, use the following commands via the terminal or editor: flutter create project_name cd project_name flutter run (The application runs with the default “counter app.”) To understand the Flutter project structure, it is important to know the following: • lib/main.dart → Application entry point • lib/ → Application source code • pubspec.yaml → Packages and dependencies • android/ and ios/ → Platform-specific files (web/, windows/, macos/, and linux/ directories can also be added to the project depending on the target platforms). In Flutter, everything is a widget. In addition, hot reload—available only in debug mode—allows code changes to be reflected on the screen quickly without closing the application. This significantly shortens development time. Next, external libraries for package usage are added to the pubspec.yaml file. In the final step, the application is run on the target device or emulator. In short, to answer how to use Flutter: you need to learn Dart and understand the widget structure; after that, all you need to do is develop applications with the Flutter SDK. Click to explore GlassHouse professional services!
How Flutter Works
Flutter renders the user interface itself via the Flutter Engine; application logic and UI are constructed using Dart and the widget structure. This enables the creation of high-performance applications across different platforms with a single codebase. Developers write the application in Dart; interfaces and logic are built entirely with widgets. In other words, Flutter operates by building a widget tree. The summarized workflow of Flutter is: Dart Code > Flutter Framework > Flutter Engine > Renderer (Impeller/Skia depending on the platform) > Rendering to the screen.
Why Is Flutter Fast?
- Flutter has its own rendering engine. This engine draws application interfaces using high-performance graphics APIs.
- For mobile and desktop targets, release builds are optimized for performance and package size with AOT compilation.
- Since rendering is handled via the Flutter Engine without requiring a JavaScript-based bridge at the UI layer, additional bridge latency is minimized.
- UI and application logic are written in a single language.
Who Is Flutter Suitable For?
- Startups
- Teams that want to develop MVPs quickly
- Companies targeting multiple platforms with a single team
- Those developing UI/UX-focused applications
You may also be interested in our content where we discuss Claude 3.5 Sonnet and its features!