entrypoint function
Implementation
@pragma('vm:entry-point')
Future<void> entrypoint(List<String> args) async {
WidgetsFlutterBinding.ensureInitialized();
final service = AndroidServiceInstance._();
final int handle = int.parse(args.first);
final callbackHandle = CallbackHandle.fromRawHandle(handle);
final onStart = PluginUtilities.getCallbackFromHandle(callbackHandle);
if (onStart != null) {
onStart(service);
}
}