flutter build apk 反复安装平台工具

flutter build apk installing platform-tools repeatedly

我已经在 windows-10 上安装了 flutter 和 android-SDK(没有 android studio)。安装成功完成,一切正常,网络上没有错误,但是当我 运行 flutter build apk 它会抛出一些警告


 Building with sound null safety

Warning: Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http://schemas.android.com/repository/android/common/01
Warning: Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http://schemas.android.com/repository/android/generic/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http://schemas.android.com/sdk/android/repo/addon2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01
Checking the license for package Android SDK Platform-Tools in C:\Users\ItzJVS\AppData\Local\android\cmdline-tools\tools\licenses
License for package Android SDK Platform-Tools accepted.
Preparing "Install Android SDK Platform-Tools (revision: 31.0.3)".
Warning: Package "com.android.repository.impl.generated.v1.RemotePackage@5f56b0a9" (platform-tools) should be installed in
"C:\Users\ItzJVS\AppData\Local\android\cmdline-tools\tools\platform-tools" but
it already exists.
Installing in "C:\Users\ItzJVS\AppData\Local\android\cmdline-tools\tools\platform-tools-2" instead.
Running Gradle task 'assembleRelease'...

它开始下载 platform-tools 、 build-tools 和 emulator (如果已经存在,它仍然会像 platform-tools-2 、 build-tools-2 和 emulator-2 一样一次又一次地下载)

我的flutter doctor -v

[√] Flutter (Channel stable, 2.5.0, on Microsoft Windows [Version 10.0.17763.195], locale en-IN)
    • Flutter version 2.5.0 at C:\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 4cc385b4b8 (10 days ago), 2021-09-07 23:01:49 -0700
    • Engine revision f0826da7ef
    • Dart version 2.14.0

[√] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at C:\Users\ItzJVS\AppData\Local\android\cmdline-tools\tools
    • Platform android-30, build-tools 29.0.2
    • ANDROID_HOME = C:\Users\ItzJVS\AppData\Local\android
    • Java binary at: C:\Program Files\Java\jdk1.8.0_301\bin\java.exe
    • Java version Java(TM) SE Runtime Environment (build 1.8.0_301-b09)
    • All Android licenses accepted.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[!] Android Studio (not installed)
    • Android Studio not found; download from https://developer.android.com/studio/index.html
      (or visit https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions).

[√] VS Code (version 1.60.1)
    • VS Code at C:\Users\ItzJVS\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.26.0

[√] Connected device (1 available)
    • Chrome (web) • chrome • web-javascript • Google Chrome 93.0.4577.82

! Doctor found issues in 1 category.

I'm not getting what I'm doing wrong can some one help me to resolve this .. ThankYou.. 

显然您只需要正确设置 android sdk 文件结构。 我制作了这个后续视频,展示了要遵循的步骤。 The Video

或按照以下步骤操作:

  1. 安装flutter sdk 和 java jdk 并将主题添加到系统的环境变量中。

  2. 前往 https://developer.android.com/studio#command-tools 并仅下载命令行工具并将 zip 文件解压缩到 c:\ANDROID-SDK 将其添加到环境变量 'ANDROID_SDK_ROOT' : "c:\ANDROID-SDK"

  3. 现在在CMD中打开如下路径"C:\ANDROID-SDK\cmdline-tools\bin"

  4. 运行命令sdkmanager.bat "cmdline-tools;latest" --sdk_root=../../

  5. 现在将其添加到您的环境变量路径“C:\ANDROID-SDK\cmdline-tools\latest\bin”

  6. 接下来打开CMD安装build-tools "sdkmanager.bat "build-tools;30.0.3" "

  7. 然后平台sdkmanager.bat "platforms;android-31"

  8. 现在运行flutter config --android-sdk %ANDROID_SDK_ROOT%

  9. 运行 flutter doctor --android-licenses 并接受许可。

  10. 现在去你的项目运行flutter build apk

希望这对遇到同样问题的人有所帮助