وصل نشدن nox به vscode

من برای برنامه نویسی فلاتر میخوام از vscode استفاده بکنم اما هرکاری که میکنم nox یا هیچ شبیه ساز دیگه ای بهش وصل نمیشه flutter doctor هم وقتی میزنم این اخطار رو میده
Microsoft Windows [Version 10.0.17134.1667]
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C:\Users\bpc>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 1.20.2, on Microsoft Windows [Version 10.0.17134.1667], locale en-US)
[X] Android toolchain - develop for Android devices
X Unable to locate Android SDK.
Install Android Studio from: https://developer.android.com/studio/index.html
On first launch it will assist you in installing the Android SDK components.
(or visit https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions).
If the Android SDK has been installed to a custom location, set ANDROIDSDKROOT to that location.
You may also want to add it to your PATH environment variable.

[!] Android Studio (not installed)
[!] Connected device
! No devices available

! Doctor found issues in 3 categories.
لطفا کمک کنبد من الان چند هفته هست که گیر این افتادم