flutter_test flutter_test Testing library for flutter, built on top of package:test.įlutter_driver flutter_driver Provides API to test Flutter applications that run on realįlutter_driver_extension This library provides a Dart VM service extension that is required for iOS Flutter platform integration APIs for iOS. Platform_integration Android Flutter platform integration APIs for Android. Objects in cases where the name to call is not known at runtime. Interact with the browser and the DOM (Document Object Model).ĭart:js Low-level support for interoperating with JavaScript.ĭart:js_util Utility methods to manipulate package:js annotated JavaScript interop Web dart:html HTML elements and other resources for web-based applications that need to Independent workers that are similar to threads VM dart:ffi Foreign Function Interface for interoperability with the C programming language.ĭart:io File, socket, HTTP, and other I/O support for non-web applications.ĭart:isolate Concurrent programming using isolates: (for example, unsigned 8 byte integers) and SIMD numeric types. Services Platform services exposed to Flutter apps.ĭart dart:ui Built-in types and core primitives for a Flutter application.Ĭore dart:async Support for asynchronous programming,ĭart:collection Classes and utilities that supplement the collection support in dart:core.ĭart:convert Encoders and decoders for converting between different data representations,Īnd other core functionality for every Dart program.ĭart:developer Interact with developer tools such as the debugger and inspector.ĭart:math Mathematical constants and functions, plus a random number generator.ĭart:typed_data Lists that efficiently handle fixed sized data Gravity, for use in user interface animations. Physics Simple one-dimensional physics simulations, such as springs, friction, and Material Flutter widgets implementing Material Design. Gestures The Flutter gesture recognizers. Libraries animation The Flutter animation system.Ĭupertino Flutter widgets implementing the current iOS design language.įoundation Core Flutter framework primitives. 'package:/.dart', like so: import 'package:flutter_test/flutter_test.dart' įlutter has a rich ecosystem of packages that have been contributed by theįlutter team and the broader open source community to a central repository.Īmong the thousands of packages, you'll find support for Firebase, Googleįonts, hardware services like Bluetooth and camera, new widgets andĪnimations, and integration with other popular web services. They are organized by package and are imported using Libraries in other sections are supporting libraries that ship with Flutter. Using 'dart:', like so: import 'dart:async' Įxcept for 'dart:core', you must import a Dart library before you can use it. Libraries in the "Dart" section exist in the dart: namespace and are imported 'package:flutter/.dart', like so: import 'package:flutter/material.dart' Of the core Flutter framework and are imported using Libraries in the "Libraries" section below (or in the left navigation) are part This site hosts Flutter's API documentation. This API reference covers all libraries that are exported by the Flutter Flutter works with existingĬode, is used by developers and organizations around the world, and is free Mobile, web, and desktop from a single codebase. Welcome to the Flutter API reference documentation!įlutter is Google's SDK for crafting beautiful, fast user experiences for
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