Flutter编程：Flutter命令行的学习

1.创建 Flutter 工程

flutter create <output directory>

D:\notebook\flutter\projects\ui_tutorial\layout>flutter create layout_app
Creating project layout_app...
  layout_app\.gitignore (created)
  layout_app\.idea\libraries\Dart_SDK.xml (created)
  layout_app\.idea\libraries\Flutter_for_Android.xml (created)
  layout_app\.idea\libraries\KotlinJavaRuntime.xml (created)
  layout_app\.idea\modules.xml (created)
  layout_app\.idea\runConfigurations\main_dart.xml (created)
  layout_app\.idea\workspace.xml (created)
  layout_app\.metadata (created)
  layout_app\android\app\build.gradle (created)
  layout_app\android\app\src\main\java\com\example\layout_app\MainActivity.java
  (created)
  layout_app\android\build.gradle (created)
  layout_app\android\layout_app_android.iml (created)
  layout_app\android\app\src\debug\AndroidManifest.xml (created)
  layout_app\android\app\src\main\AndroidManifest.xml (created)
  layout_app\android\app\src\main\res\drawable\launch_background.xml (created)
  layout_app\android\app\src\main\res\mipmap-hdpi\ic_launcher.png (created)
  layout_app\android\app\src\main\res\mipmap-mdpi\ic_launcher.png (created)
  layout_app\android\app\src\main\res\mipmap-xhdpi\ic_launcher.png (created)
  layout_app\android\app\src\main\res\mipmap-xxhdpi\ic_launcher.png (created)
  layout_app\android\app\src\main\res\mipmap-xxxhdpi\ic_launcher.png (created)
  layout_app\android\app\src\main\res\values\styles.xml (created)
  layout_app\android\app\src\profile\AndroidManifest.xml (created)
  layout_app\android\gradle\wrapper\gradle-wrapper.properties (created)
  layout_app\android\gradle.properties (created)
  layout_app\android\settings.gradle (created)
  layout_app\ios\Runner\AppDelegate.h (created)
  layout_app\ios\Runner\AppDelegate.m (created)
  layout_app\ios\Runner\main.m (created)
  layout_app\ios\Runner.xcodeproj\project.pbxproj (created)
  layout_app\ios\Runner.xcodeproj\xcshareddata\xcschemes\Runner.xcscheme
  (created)
  layout_app\ios\Flutter\AppFrameworkInfo.plist (created)
  layout_app\ios\Flutter\Debug.xcconfig (created)
  layout_app\ios\Flutter\Release.xcconfig (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Contents.json
  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-1024x1024@1x

  .png (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-20x20@1x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-20x20@2x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-20x20@3x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-29x29@1x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-29x29@2x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-29x29@3x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-40x40@1x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-40x40@2x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-40x40@3x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-60x60@2x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-60x60@3x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-76x76@1x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-76x76@2x.png

  (created)
  layout_app\ios\Runner\Assets.xcassets\AppIcon.appiconset\Icon-App-.5x83.@2x

  .png (created)
  layout_app\ios\Runner\Assets.xcassets\LaunchImage.imageset\Contents.json
  (created)
  layout_app\ios\Runner\Assets.xcassets\LaunchImage.imageset\LaunchImage.png
  (created)
  layout_app\ios\Runner\Assets.xcassets\LaunchImage.imageset\LaunchImage@2x.png
  (created)
  layout_app\ios\Runner\Assets.xcassets\LaunchImage.imageset\LaunchImage@3x.png
  (created)
  layout_app\ios\Runner\Assets.xcassets\LaunchImage.imageset\README.md (created)

  layout_app\ios\Runner\Base.lproj\LaunchScreen.storyboard (created)
  layout_app\ios\Runner\Base.lproj\Main.storyboard (created)
  layout_app\ios\Runner\Info.plist (created)
  layout_app\ios\Runner.xcodeproj\project.xcworkspace\contents.xcworkspacedata
  (created)
  layout_app\ios\Runner.xcworkspace\contents.xcworkspacedata (created)
  layout_app\lib\main.dart (created)
  layout_app\layout_app.iml (created)
  layout_app\pubspec.yaml (created)
  layout_app\README.md (created)
  layout_app\test\widget_test.dart (created)
Running "flutter packages get" in layout_app...                     .1s
Wrote  files.

All done!
[√] Flutter is fully installed. (Channel beta, v1.2.1, on Microsoft Windows
    [Version 6.1.], locale zh-CN)
[√] Android toolchain - develop for Android devices is fully installed. (Android

    SDK version 28.0.)
[!] Android Studio is not available. (not installed)
[!] Connected device is not available.

Run "flutter doctor" for information about installing additional components.

In order to run your application, type:

  $ cd layout_app
  $ flutter run

Your application code is in layout_app\lib\main.dart.

D:\notebook\flutter\projects\ui_tutorial\layout>

2. Flutter 编译 apk

flutter build [apk]

D:\notebook\flutter\projects\ui_tutorial\layout>cd layout_app

D:\notebook\flutter\projects\ui_tutorial\layout\layout_app>flutter build
Flutter build commands.

Usage: flutter build <subcommand> [arguments]
-h, --help    Print this usage information.

Available subcommands:
  aot         Build an ahead-of-time compiled snapshot of your app's Dart code.
  apk         Build an Android APK file from your app.
  appbundle   Build an Android App Bundle file from your app.
  bundle      Build the Flutter assets directory from your app.
  flx         Deprecated
  ios         Build an iOS application bundle (Mac OS X host only).

Run "flutter help" to see global options.

D:\notebook\flutter\projects\ui_tutorial\layout\layout_app>flutter build apk
Initializing gradle...                                              .3s
Resolving dependencies...                                          .5s
Running Gradle task 'assembleRelease'...
Calling mockable JAR artifact transform to create file: C:\Users\Administrator\.
gradle\caches\transforms-\files-1.1\android.jar\9af1ff324598fa2d595c0bf1564a0c1
\android.jar with input D:\softs\Android\android-sdk\platforms\android-\andro
id.jar
Running Gradle task 'assembleRelease'...                          .9s (!)
Built build\app\outputs\apk\release\app-release.apk (.8MB).

D:\notebook\flutter\projects\ui_tutorial\layout\layout_app>

 Flutter 是站在巨人的肩膀上做出来的优秀作品。