E/flutter ( 4926): [ERROR:flutter/lib/ui/ui_dart_state.cc(166)] Unhandled Exception: ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized. code example

Example: ServicesBinding.defaultBinaryMessenger was accessed before the binding was initialized.

// add this, and it should be the first line in main method
  WidgetsFlutterBinding.ensureInitialized();