Gradients Background Gradients Background Time to make the app a little prettier by adding a gradient background. Gradients are just as easy in Flutter as the are in CSS. And ...

TextField TextFormField Text fields allow users to type text into our apps. Text fields can be used tobuild forms, messaging apps, search experiences, and more! In this recipe,w...

Package dependencies Dependency sources SDK Hosted packages Git packages Path packages Version constraints Caret syntax Dev dependencies Dependency overrides Package d...

处理边界约束 (Box constraints) 的问题 无边界约束 Flex 处理边界约束 (Box constraints) 的问题 备忘 如果你被引导至本页面，是因为 Flutter 框架检测到你可能遇到涉及边界约束的问题。 Flutter 中的 widget 由在其底层的 RenderBox 对象渲染而成。渲染框由其父级 wid...

Dart FAQ General Q. Is there a specification for Dart? Q. How are you taking input on changes to Dart? Language Q. Isn’t Dart a lot like Java? Q. How does Dart relate to Go? Q...

Functions Functions Dart is a true object-oriented language, so even functions are objectsand have a type, Function. This means that functions can be assigned to variables or p...

Pub Packages Repository Requirements Configuring the package registry Publish a package Install a package Pub Packages Repository Publish Pub packages for your user or orga...

步骤 1. 创建一个 Scaffold 2. 添加一个 drawer 3. 向 drawer 中添加内容 4. 通过编程关闭 drawer 一个完整的例子 在 Material Design 设计准则里，主要提供了两种导航方式：Tab 和 Drawer。 当没有足够的空间来支持 tab 导航时，drawer 提供了另一个方便的选择。 在 Fl...

Pub Package Registry Requirements Configuring the package registry Publish a package Install a package Pub Package Registry Publish Pub packages for your user or organizati...