How to fix Flutter Run: No connected devices issue?
Flutter is a framework created by Google. It allows the development of applications running on the 2 main mobile platforms, Android and iOS , from the same code base. When you have started working on your project, the “flutter run” command allows you to launch it to see the rendering. If you get the error message “No connected devices”, then it is a problem related to the connection with the Android SDK.
Flutter needs an Android SDK to run your app. To provide it, there are 2 possibilities: use the Android Studio development environment, which provides an Android system emulator, or connect a device using this operating system to the computer.