tablet-app/lib/Screens/Web/web_view.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:managerapi/api.dart';
import 'package:webview_flutter/webview_flutter.dart';

class WebViewWidget extends StatefulWidget {
  final SectionDTO section;
  WebViewWidget({this.section});

  @override
  _WebViewWidget createState() => _WebViewWidget();
}

class _WebViewWidget extends State<WebViewWidget> {
  WebView _webView;
  WebDTO webDTO;
  @override
  void initState() {
    print(widget.section.data);
    webDTO = WebDTO.fromJson(jsonDecode(widget.section.data));
    print(webDTO);

    super.initState();
    _webView = WebView(
      initialUrl: webDTO.source_, //"https://my.matterport.com/show/?m=k8bvdezfHbT"
      javascriptMode: JavascriptMode.unrestricted,
      navigationDelegate: (NavigationRequest request) {
        print(request.url);
        print(webDTO.source_);
        if (request.url != webDTO.source_) {
          print('blocking navigation to $request}');
          return NavigationDecision.prevent;
        }
        print('allowing navigation to $request');
        return NavigationDecision.navigate;
      }
    );
  }

  @override
  void dispose() {
    _webView = null;
    super.dispose();
  }

  @override
  Widget build(BuildContext context) => webDTO.source_ != null && webDTO.source_.length > 0 ? _webView : Center(child: Text("La page internet ne peut pas être affichée, l'url est incorrecte ou vide"));
}