Dart by Example: Static Dart by Example: Static Static members (functions or properties) are available onthe class itself, instead of on an instance of that class. class Pos...

Dart by Example: Set Dart by Example: Set main () { var medals = new Set (); medals . add ( "gold" ); medals . add ( "silver" ); medals . add ( "bronze...

Flutter Packages 的开发和提交 Package 介绍 Package 类别 开发纯 Dart 库的 packages 第一步：创建 package 第二步：实现 package 开发原生插件类型的 packages 第一步：创建 package 第二步：实现 package 步骤 2a：定义 package API（.dart） ...

Dart by Example: Futures Dart by Example: Futures import 'dart:async' ; main () { // Passing a callback to then() will invoke // that callback when the futu...

Dart by Example: Inheritance Dart by Example: Inheritance /// Abstract classes can't be instantiated, /// but can contain some implementation. abstract class Animal {...

编辑工具设定 安装 Android Studio 安装 Flutter 和 Dart 插件 安装 VS Code 安装 Flutter 和 Dart 插件 通过 Flutter Doctor 命令验证是否安装成功 下一节 编辑工具设定 你可以使用任意文本编辑器，结合我们的命令行工具来开发 Flutter 应用。然而，我们推荐使用我们的编辑...

Extension 方法 Overview Using extension methods Static types and dynamic API conflicts Implementing extension methods Implementing generic extensions Resources Extension 方...

Runes and grapheme clusters Runes and grapheme clusters In Dart, runes expose the Unicode code points of a string.As of Dart 2.6, use the characters package to view or manipul...