tbm estou com o mesmo problema

MESMO PROBLEMA. NOTA: PLUGINS DEVIDAMENTE INSTALADOS

PS C:\src\flutter> flutter doctor -v

[√] Flutter (Channel stable, 1.22.1, on Microsoft Windows [versão 10.0.19041.572], locale pt-BR) • Flutter version 1.22.1 at C:\src\flutter • Framework revision f30b7f4db9 (7 days ago), 2020-10-08 10:06:30 -0700 • Engine revision 75bef9f6c8 • Dart version 2.10.1

[√] Android toolchain - develop for Android devices (Android SDK version 30.0.2) • Android SDK at C:\Users\carvalho\AppData\Local\Android\Sdk • Platform android-30, build-tools 30.0.2 • ANDROID_HOME = C:\Users\carvalho\AppData\Local\Android\Sdk • ANDROID_SDK_ROOT = C:\Users\carvalho\AppData\Local\Android\Sdk • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01) • All Android licenses accepted.

[!] Android Studio • Android Studio at C:\Program Files\Android\Android Studio X Flutter plugin not installed; this adds Flutter specific functionality. X Dart plugin not installed; this adds Dart specific functionality. • android-studio-dir = C:\Program Files\Android\Android Studio • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

[√] VS Code (version 1.50.1) • VS Code at C:\Users\carvalho\AppData\Local\Programs\Microsoft VS Code • Flutter extension version 3.15.0

[!] Connected device ! No devices available