Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel master, 2.3.0-1.0.pre.168, on Microsoft Windows [Version 10.0.19041.928], locale zh-CN)
[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, please use
`flutter config --android-sdk` to update to that location.
[√] Chrome - develop for the web
[!] Android Studio (not installed)
[√] VS Code, 64-bit edition (version 1.55.0)
[√] Connected device (2 available)
! Doctor found issues in 2 categories.
No supported devices connected.
The following devices were found, but are not supported by this project:
Chrome (web) • chrome • web-javascript • Google Chrome 90.0.4430.93
Edge (web) • edge • web-javascript • Microsoft Edge 89.0.774.68
If you would like your app to run on web, consider running `flutter create .` to generate projects for these platforms.
"OpenWeatherPlus-Flutter" is not a valid Dart package name.
See https://dart.dev/tools/pub/pubspec#name for more information.