Flutter环境配置、创建第一个Flutter App

作者: 红红宝宝 | 来源:发表于2021-03-09 14:29 被阅读0次

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Flutter包已下载解压缩，接下来更新环境变量。（Mac OS系统）

cd $HOME

vim ~/.bash_profile

在打开的页面添加上下面代码

export PUB_HOSTED_URL=https://pub.flutter-io.cn

export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cnexport

PATH=/Users/xxx/Documents/flutter/bin:$PATH //Flutter SDK的目录

配置完成后，再调用下面命令使之生效。下次无论在哪打开shell都可以使用flutter命令；

source ~/.bash_profile

注意：现配置完后每次重新打开终端都要重新source ~/.bash_profile才可以正常使用flutter命令

这个时候就可以使用flutter命令了，现在打开终端，运行：

flutter -h

正常的话就会出来flutter的命令帮助简介。

2、通过运行flutter/bin命令验证目录是否在已经在PATH中:

echo $PATH

/Users/xxx/Documents/flutter/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/usr/bin:/Users/hst/.rvm/bin:/Users/hst/.rvm/bin

有包含flutter/bin说明环境变量设置成功！

接下来创建第一个Flutter App

cd到要创建到目录下，

flutter create myapp

Creating project myapp...

myapp/ios/Runner.xcworkspace/contents.xcworkspacedata (created)

myapp/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist (created)

myapp/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

(created)

myapp/ios/Runner/Info.plist (created)

myapp/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png

(created)

myapp/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png

(created)

myapp/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md (created)

myapp/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json (created)

myapp/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json (created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png

(created)

myapp/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png

(created)

myapp/ios/Runner/Base.lproj/LaunchScreen.storyboard (created)

myapp/ios/Runner/Base.lproj/Main.storyboard (created)

myapp/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

(created)

myapp/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks

.plist (created)

myapp/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.

xcsettings (created)

myapp/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme (created)

myapp/ios/Flutter/Debug.xcconfig (created)

myapp/ios/Flutter/Release.xcconfig (created)

myapp/ios/Flutter/AppFrameworkInfo.plist (created)

myapp/ios/.gitignore (created)

myapp/test/widget_test.dart (created)

myapp/myapp.iml (created)

myapp/.gitignore (created)

myapp/web/favicon.png (created)

myapp/web/index.html (created)

myapp/web/manifest.json (created)

myapp/web/icons/Icon-192.png (created)

myapp/web/icons/Icon-512.png (created)

myapp/.metadata (created)

myapp/android/app/src/profile/AndroidManifest.xml (created)

myapp/android/app/src/main/res/mipmap-mdpi/ic_launcher.png (created)

myapp/android/app/src/main/res/mipmap-hdpi/ic_launcher.png (created)

myapp/android/app/src/main/res/drawable/launch_background.xml (created)

myapp/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png (created)

myapp/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png (created)

myapp/android/app/src/main/res/values-night/styles.xml (created)

myapp/android/app/src/main/res/values/styles.xml (created)

myapp/android/app/src/main/res/drawable-v21/launch_background.xml (created)

myapp/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png (created)

myapp/android/app/src/main/AndroidManifest.xml (created)

myapp/android/app/src/debug/AndroidManifest.xml (created)

myapp/android/gradle/wrapper/gradle-wrapper.properties (created)

myapp/android/gradle.properties (created)

myapp/android/.gitignore (created)

myapp/android/settings.gradle (created)

myapp/android/app/build.gradle (created)

myapp/android/app/src/main/kotlin/com/example/myapp/MainActivity.kt (created)

myapp/android/build.gradle (created)

myapp/android/myapp_android.iml (created)

myapp/pubspec.yaml (created)

myapp/README.md (created)

myapp/ios/Runner/Runner-Bridging-Header.h (created)

myapp/ios/Runner/AppDelegate.swift (created)

myapp/ios/Runner.xcodeproj/project.pbxproj (created)

myapp/lib/main.dart (created)

myapp/.idea/runConfigurations/main_dart.xml (created)

myapp/.idea/libraries/Dart_SDK.xml (created)

myapp/.idea/libraries/KotlinJavaRuntime.xml (created)

myapp/.idea/modules.xml (created)

myapp/.idea/workspace.xml (created)

Running "flutter pub get" in myapp... 2,718ms

Wrote 78 files.

All done!

In order to run your application, type:

$ cd myapp

$ flutter run

To enable null safety, type:

$ cd myapp

$ dart migrate --apply-changes

Your application code is in myapp/lib/main.dart.