authorizeInteractive static method

Future<String> authorizeInteractive({ required BuildContext context, required String title, required String authorizationUrl, required String redirectUrl, required int popupWidth, required int popupHeight, })

Implementation

static Future<String> authorizeInteractive({
  required BuildContext context,
  required String title,
  required String authorizationUrl,
  required String redirectUrl,
  required int popupWidth,
  required int popupHeight,
}) async {
  final controller = WebViewController()
    ..setJavaScriptMode(JavaScriptMode.unrestricted);

  //Create the url
  final result = await showDialog<String?>(
    context: context,
    barrierDismissible: false,
    builder: (dialogContext) {
      return AlertDialog(
        actions: [
          IconButton(
            onPressed: () => Navigator.pop(dialogContext, null),
            icon: Icon(Icons.close),
          ),
        ],
        content: Container(
          width:
              min(popupWidth.toDouble(), MediaQuery.of(context).size.width),
          height:
              min(popupHeight.toDouble(), MediaQuery.of(context).size.height),
          child: flutterWebView.WebViewWidget(
            controller: controller
              ..setNavigationDelegate(
                NavigationDelegate(
                  onPageFinished: (String url) {
                    if (url.startsWith(redirectUrl)) {
                      Navigator.pop(dialogContext, url);
                    }
                  },
                ),
              )
              ..loadRequest(Uri.parse(authorizationUrl)),
          ),
        ),
        title: Text(title),
      );
    },
  );

  if (result == null) throw AuthenticationException(ERROR_USER_CLOSED);

  return result;
}