elektronika/lib/app/pages/cart/widgets/payment_web_view.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:webview_flutter/webview_flutter.dart';

import '../../../app.dart';

class PaymentWebView extends StatefulWidget {
  final String url;
  PaymentWebView({Key? key, required this.url}) : super(key: key);

  @override
  State<PaymentWebView> createState() => _PaymentWebViewState();
}

class _PaymentWebViewState extends State<PaymentWebView> {
  bool _isLoading = true;
  // final _key = UniqueKey();
  late WebViewController _controller;

  void _initWebViewController() {
    _controller = WebViewController()
      ..setJavaScriptMode(JavaScriptMode.unrestricted)
      // ..setBackgroundColor(const Color(0x00000000))
      ..setNavigationDelegate(
        NavigationDelegate(
          onProgress: (int progress) {
            // Update loading bar.
          },
          onPageStarted: (String url) {
            setState(() {
              _isLoading = true;
            });
          },
          onPageFinished: (finish) {
            setState(() {
              _isLoading = false;
            });
          },
          onWebResourceError: (WebResourceError error) {},
          onNavigationRequest: (NavigationRequest request) {
            if (request.url.startsWith(Constants.BASE_URL_WEB + 'checkout/success')) {
              debugPrint('if');
              CartController cc = Get.put(CartController());
              cc.clearCartAndNavigateToOrderList();

              return NavigationDecision.prevent;
            } else if (request.url.startsWith(Constants.BASE_URL_WEB + 'checkout/onepage')) {
              debugPrint('else if');
              Get.back();
              return NavigationDecision.prevent;
            }
            debugPrint('allowing navigation to $request');
            return NavigationDecision.navigate;
          },
        ),
      )
      ..loadRequest(Uri.parse(widget.url));
  }

  @override
  void initState() {
    super.initState();
    _initWebViewController();
    // if (Platform.isAndroid) {
    //   WebView.platform = SurfaceAndroidWebView();
    // }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: CustomAppbarWidget(leading: AppBarBackBtn()),
      body: Stack(
        children: [
          WebViewWidget(controller: _controller),
          _isLoading
              ? Center(
                  child: CustomLoader(),
                )
              : Stack(),
        ],
      ),
    );
  }
}