How to remove the Flutter debug banner?

On your MaterialApp set debugShowCheckedModeBanner to false.

MaterialApp(  debugShowCheckedModeBanner: false,)

The debug banner will also automatically be removed on release build.

flutter android-emulator

OUTDATED

If you are using Android Studio, you can find the option in the Flutter Inspector tab --> More Actions.

Or if you're using Dart DevTools, you can find the same button in the top right corner as well.

flutter android-emulator

Well this is simple answer you want.

    MaterialApp(     **debugShowCheckedModeBanner: false**    )    CupertinoApp(     **debugShowCheckedModeBanner: false**    )

But if you want to go deep with app (Want a release apk (which don't have debug banner) and if you are using android studio then go to

Run -> Flutter Run 'main.dart' in Relese mode

CodeHunter