result after compiling the code

[leeroy-destroyer]

the code compiles successfully but the screen just remains white when the app attempts to run. How can i fix this? Emulator settings were

Open GL ES render - swift shader Open GL ES API level - render maximum

[klvnco]

i got this error

lib/main.dart:11:23: Error: Too many positional arguments: 1 allowed, but 2 found. Try removing the extra positional arguments. Hive.registerAdapter(ContactAdapter(),0);

[leeroy-destroyer]

Delete the zero and the comma