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[yihaha]

E/flutter: [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: DioError [DioErrorType.DEFAULT]: HandshakeException: Handshake error in client (OS Error:
CERTIFICATE_VERIFY_FAILED: certificate is not yet valid(handshake.cc:352))
null

[ngu2008]

1、更新pubspec.yaml dio为 dio: ^2.1.0
2、修改DioManager类为

class DioManager {
Dio _dio;

DioManager._internal() {
_dio = new Dio();
(_dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate =
(client) {
client.badCertificateCallback =
(X509Certificate cert, String host, int port) {
return true;
};
};
}

static DioManager singleton = DioManager._internal();

factory DioManager() => singleton;

get dio {
return _dio;
}
}