Flutter codes not executing on android emulator

C:\Users\TomiwaPC>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 2.0.4, on Microsoft Windows [Version 10.0.18362.30], locale en-NG)
[√] Android toolchain - develop for Android devices (Android SDK version 31.0.0-rc2)
[√] Chrome - develop for the web
[√] Android Studio (version 4.1.0)
[√] Connected device (2 available)

• No issues found!

I have upgraded my flutter. Done everything I could
No error was reported.
Please I would like to know how i can resolve this issue.

Please find below the links to screenshots for some clarification: