The argument type 'Null Function(Uint8List)' can't be assigned to the parameter type 'FutureOr<dynamic> Function(Uint8List?)'.

[lucasjinreal]

The argument type 'Null Function(Uint8List)' can't be assigned to the parameter type 'FutureOr Function(Uint8List?)'.

[ritheshSalyan]

Hi @lucasjinreal,

It looks like there is some type mismatch in your code. Please share some part of your code so that we can help you in resolving that.

[aryan1107]

same issue here

update solved it using:

screenshotController.capture(delay: const Duration(milliseconds: 10)).then((Uint8List? image) async {