Try Flutter

Get started

• get SDK 👉Flutter SDK releases
• update system path
• 
• update user path
• 
• 
• flutter doctor
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• 👉Android Studio

First Go

• flutter create projectname
• code ./ open by vscode
• flutter doctor re-examined
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• flutter emulator check emulator
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• flutter emulators --launch Pixel_3a_API_30_x86 run the emulator
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• flutter run or flutter run -d <emulatorId>
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Get lib

• 👉pub.dev

• 在项目目录下 pubspec.yaml 里加入依赖和版本号

  dependencies:
    flutter:
      sdk: flutter
    intl: ^0.17.0
  
    # The following adds the Cupertino Icons font to your application.
    # Use with the CupertinoIcons class for iOS style icons.
    cupertino_icons: ^1.0.2
  
  dev_dependencies:
    flutter_test:
      sdk: flutter

• 保存即可，或者到 console 执行 flutter packages get

In process

Could not receive a message from the daemon.

• 
• 关闭共享的网络即可 👉Could not receive a message from the daemon
• 

Other

异常关闭 emulator 导致再次启动黑屏

• 原因是因为 emulator 启动采用的是热启动，下次启动会采用上次关闭保存的状态
• 解决方法：用 Android Studio 打开 emulator 设置,用 Cold boot now 即可，下次启动用回原本的启动方式即可
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• bat 启动脚本

  call C:\Users\[userName]\AppData\Local\Android\Sdk\emulator\emulator.exe  -netspeed full -avd Pixel_2_API_30
  
  rem avd 默认目录 C:\Users\[userName]\.android\avd

包依赖冲突

• 把冲突的包版本改为 any
• 👉 Resolving package version conflicts in Dart