I found this soluction and its WORKS for me:
class PostHttpOverrides extends HttpOverrides {
@override
HttpClient createHttpClient(context) {
return super.createHttpClient(context)
..badCertificateCallback =
(X509Certificate cert, String host, int port) => true;
}
}
void main() {
HttpOverrides.global = PostHttpOverrides();
runApp(AppState());
}