Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Non-nullable field 'eventHandled' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Nullability of reference types in type of parameter 'sender' of 'void CameraService.VideoRecorded(object sender, EventArgs e)' doesn't match the target delegate 'EventHandler' (possibly because of nullability attributes).

Converting null literal or possible null value to non-nullable type.

Dereference of a possibly null reference.

Non-nullable field 'logger' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Converting null literal or possible null value to non-nullable type.

Non-nullable field 'MicrophoneService' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.