修复常见的类型问题 Troubleshooting Am I really using type-safe Dart? Static errors and warnings Undefined member Example 1: A variable is statically known to be some supertype, but the co...

运行，调试以及热重载 Running, debugging, and hot reload Debugging Debugging specific instances of Flutter 运行，调试以及热重载 Running, debugging, and hot reload Once you’ve integrated the Fl...

Switch and case Switch and case Switch statements in Dart compare integer, string, or compile-timeconstants using == . The compared objects must all be instances of thesame cla...

向 Android 应用中添加 Flutter 页面 Add a normal Flutter screen Step 1: Add FlutterActivity to AndroidManifest.xml Step 2: Launch FlutterActivity Step 3: (Optional) Use a cached FlutterEn...

Developing with NATS Developing with NATS Developing with NATS is a combination of distributed application techniques, common NATS features and library specific syntax. As well ...

The Dart type system What is soundness? The benefits of soundness Tips for passing static analysis Use sound return types when overriding methods Use sound parameter types when ...

Pubspec 文件 Supported fields Example Details Name Version Description Author/authors Homepage Repository Issue tracker Documentation Dependencies Executables Publish_to ...

运算符和流程控制 运算符 流程控制语句 异常 异常抛出 异常捕获 运算符和流程控制 本节简述 Dart 的运算符、流程控制与异常处理。 运算符 以下列出了 Dart 的运算符，从高到低按照优先级排列： 描述 运算符 一元运算符（后置） ++ — ( ) [ ] . ?. 一元运算符（...

dartdoc dartdoc The dartdoc command creates API reference documentation from Dart source code. You can add descriptions to the generated documentation by using documentation c...

Migrating to Dart 2 Migrating web apps to Dart 2 Obsolete pub features