Dart language evolution Dart 2.0 Dart 2.1 Dart 2.2 Dart 2.3 Dart 2.5 Dart 2.6 Dart 2.7 Dart 2.8 Dart language evolution This page lists notable changes and additions to...

弹性布局 Flex Expanded 弹性布局 弹性布局允许子widget按照一定比例来分配父容器空间，弹性布局的概念在其UI系统中也都存在，如H5中的弹性盒子布局，Android中的FlexboxLayout。Flutter中的弹性布局主要通过Flex和Expanded来配合实现。 Flex Flex可以沿着水平或垂直方向排列子widge...

angel_route Contents Examples Routing Hierarchy In the Browser Route State Route Parameters angel_route A powerful, isomorphic routing library for Dart. This API is...

Package Registry Supported package managers Repository-Packages Access Restrictions Create or upload a package View packages Download a package Delete a package Disable the ...

Package Registry Supported package managers Repository-Packages Access Restrictions Create or upload a package View packages Download a package Delete a package Disable the ...

Using libraries Specifying a library prefix Importing only part of a library Lazily loading a library Using libraries Use import to specify how a namespace from one library...

5.15 应用程序框架（桌面、移动、平板电脑等）工具 5.15 应用程序框架（桌面、移动、平板电脑等）工具 前端应用程序框架: AngularJS (即Angular 1.x.x) + Batarang Angular (即Angular 2.0.0 +) + angular-cli Aurelia + Aurelia CLI...

Log In Flow Boiler Plate Auth Section Boiler Plate 1. Create a new file in the lib alongside main called app.dart. 2. Update Main File 3. Add HomeScreen 4. Add AuthScreen ...

Directions 1. Create two screens showing the same image 2. Add a Hero Widget to the first screen 3. Add a Hero Widget to the second screen Complete example It’s often helpful...