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Я установил flutter и android-SDK ( без Android studio ) в Windows-10. Установка завершена успешно, и все в порядке, и в Интернете нет ошибок, но когда я запускаю flutter build apk , он выдает некоторые предупреждения

 
 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:UsersItzJVSAppDataLocalandroidcmdline-toolstoolslicenses
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:UsersItzJVSAppDataLocalandroidcmdline-toolstoolsplatform-tools" but
it already exists.
Installing in "C:UsersItzJVSAppDataLocalandroidcmdline-toolstoolsplatform-tools-2" instead.
Running Gradle task 'assembleRelease'...
 

и он начинает загружать инструменты платформы , инструменты сборки и эмулятор ( если они уже существуют , он будет загружаться снова и снова, как инструменты платформы-2, инструменты сборки-2 и эмулятор-2 )

мое flutter doctor -v это

 [√] 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:UsersItzJVSAppDataLocalandroidcmdline-toolstools
    • Platform android-30, build-tools 29.0.2
    • ANDROID_HOME = C:UsersItzJVSAppDataLocalandroid
    • Java binary at: C:Program FilesJavajdk1.8.0_301binjava.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 FilesGoogleChromeApplicationchrome.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:UsersItzJVSAppDataLocalProgramsMicrosoft 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..