In Dart, futures and streams are fundamental concepts used for asynchronous programming. They provide a way to handle operations that may not immediately return a result, such as network requests, file I/O, or computations that take time to complete. Futures: Definition: A future represents a potential value or error that will be available at some […]
Isolates in Flutter In Flutter, isolates are a feature of the Dart language, which Flutter is built on. Isolates allow for concurrent execution of Dart code, enabling tasks to run in parallel without blocking the main UI thread. How many Isolates Flutter have in default In Flutter, by default, there is a single UI isolate […]
In Flutter, the “lifecycle of a widget” refers to the various stages a widget goes through from its creation to its disposal. Understanding these stages is crucial for managing the state and behavior of widgets in a Flutter application. Here are the key stages in the lifecycle of a widget: Creation (create): This is the […]
GlobalKey is a special key in Flutter that provides a way to uniquely identify a widget across the entire application. It allows you to reference and interact with a specific widget from anywhere in your code. Here’s how GlobalKey works: In summary, GlobalKey is a powerful tool in Flutter that allows you to uniquely identify and interact with widgets across […]
Flutter channels, often referred to as platform channels, are a crucial mechanism for enabling communication between Dart code (used in Flutter) and native code (used in Android and iOS). They allow Flutter apps to access platform-specific APIs and perform tasks that are not directly supported by Flutter itself. Here’s a detailed explanation: Purpose of Flutter […]
Flutter uses a combination of platform channels and plugins to handle platform-specific code for Android and iOS. Here’s how it works: In summary, Flutter handles platform-specific code by providing a flexible and robust mechanism for communication between Dart code and native code using platform channels. This allows developers to access platform-specific APIs and perform tasks […]
In Flutter, “AOT” and “JIT” are two different compilation modes that the Flutter framework uses to execute Dart code on different platforms. These modes have distinct characteristics and purposes: In summary, AOT (Ahead-of-Time) compilation is used for producing optimized, platform-specific release builds with better performance and faster start-up times. JIT (Just-in-Time) compilation is used during […]
BuildContext is an important concept in Flutter that represents the location of a widget in the widget tree. It provides information about the current context in which a widget is being built. Here are some key points about BuildContext: Location in the Widget Tree: Each widget in Flutter is associated with a BuildContext that identifies […]
The pubspec.yaml file is a critical file in a Flutter project. It serves several important purposes: Dependency Management: The pubspec.yaml file is used to manage the dependencies of a Flutter project. It lists all the external libraries and packages that the project relies on. These dependencies can include UI libraries, state management solutions, networking packages, […]
In Flutter, the “widget tree” refers to the hierarchical structure of widgets that are used to construct the user interface of an application. Widgets are the building blocks of a Flutter application, representing everything from simple UI elements like buttons and text to more complex layouts and interactive components. Here’s an explanation of the widget […]