[Flutter] Screen gets stuck in white color when running Flutter app

My screen gets stuck in white color while run the app.i m using vivo phone its shows

I/flutter (10711): The Dart VM service is listening on ************************************
I/flutter (11716): The Dart VM service is listening on ************************************
I/flutter (15564): The Dart VM service is listening on ************************************


I am trying all the methods:

• restart the phone
• restart the computer
• reinstall flutter sdks.

but still got an error. How can I solve the error?

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