如何修复 flutter 中的 XMLHttpRequest 错误

Question

我想获取 Instagram 个人资料详细信息，但出现错误错误：XMLHttpRequest 错误。

我正在使用 instagram_public_api: ^0.2.3

如何修复错误？

RoundedLoadingButton(
              child: Text(
                'profile detail',
                style: TextStyle(color: Colors.white),
              ),
              controller: insta,
              resetDuration: Duration(seconds: 5),
              resetAfterDuration: true,
              width: 200,
              height: 50,
              color: Colors.blue,
              successColor: Colors.blue,
              borderRadius: 10,
              elevation: 3,
              onPressed: instaLoading
                  ? null
                  : () async {
                setState(() {
                  instaLoading = true;
                });
                FlutterInsta insta = FlutterInsta();
                //Get Profile Details(must be public)
                InstaProfileData user = await insta.getProfileData("zohaib521321");
                print(user.username);
                print(user.profilePicURL);
                print(user.bio);
                print(user.externalURL);
                print(user.followers);
                print(user.following);
                print(user.isVerified);
                print(user.isPrivate);
                print(user.username);
                setState(() {
                  _isAddToContactLoading = true;
                });
                contact.success();
              },
            ),