You should follow these steps in the Newer version of Android Studio starting from October 2024.

• install FlutterX from the plugins section of Android Studio.
• Open a terminal in the project directory
• flutter clean to clean your flutter project.
• flutter create . to recreate the missing iml files.
• flutter pub get to get packages.

With this done, look at your status bar; you should see the Flutter logo in this image. Click on it and select Open Android Project.