Flutter：限制webview_flutter长按手势或打开链接预览

Question

我正在使用Apache Cordova中的应用程序，但是我无法从使用Inappbrowser加载的网站上获取cookie并保留它们。 所以我切换到可以执行上述功能的位置。

但是，我希望该应用的行为类似于浏览器。

现在，我困扰于这个问题，当用户长按时， webview_flutter 会打开预览弹出窗口或操作表在链接上。

请让我知道，当用户长按链接时，是否可以禁用预览弹出窗口或打开操作表。

我已经实现了如下的Webview。

'''

class _WebViewExampleState extends State<WebViewExample> {
      final Completer<WebViewController> _controller =
          Completer<WebViewController>();
      final cookieManager = WebviewCookieManager();
      SharedPreferences prefs;

      @override
      Widget build(BuildContext context) {
        return Scaffold(
          body: Builder(builder: (BuildContext context) {
            return WebView(
                gestureRecognizers: null,
                initialUrl: url,
                javascriptMode: JavascriptMode.unrestricted,
                onWebViewCreated: (WebViewController webViewController) async {
                  print('WebView Created');
                  _controller.complete(webViewController);
                  prefs = await SharedPreferences.getInstance();

                  String cookie = prefs.getString('cookieList');
                  List<Cookie> cookies = [];
                  for (Map item in jsonDecode(cookie)) {
                    print(item);
                    String name = item['name'];
                    String value = item['value'];
                    String domain = item['domain'];
                    DateTime expires = item['expires'];
                    bool httpOnly = item['httpOnly'];
                    int maxAge = item['maxAge'];
                    String path = item['path'];
                    bool secure = item['secure'];
                    cookies.add(Cookie(name, value)
                      ..domain = domain
                      ..expires = expires
                      ..httpOnly = httpOnly
                      ..maxAge = maxAge
                      ..path = path
                      ..secure = secure);
                  }
                  await cookieManager.setCookies(cookies);
                },
                onPageStarted: (String url) async {
                  print('Page started loading: $url');
                },
                onPageFinished: (String url) async {
                  print('Page finished loading: $url');
                  final cookies = await cookieManager.getCookies(url);
                  print(cookies);
                  List cookieList = [];
                  for (var item in cookies) {
                    Map<String, dynamic> cookie = {};
                    cookie['domain'] = item.domain;
                    cookie['name'] = item.name;
                    cookie['value'] = item.value;
                    cookie['expires'] = item.expires;
                    cookie['httpOnly'] = item.httpOnly;
                    cookie['maxAge'] = item.maxAge;
                    cookie['path'] = item.path;
                    cookie['secure'] = item.secure;
                    cookieList.add(cookie);
                  }
                  prefs.setString('cookieList', json.encode(cookieList));
                },
                gestureNavigationEnabled: false);
          }),
        );
      }
    }

'''

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