build method

@override Widget build(BuildContext context)

Builds the TosspaymentsWebview widget and initializes the payment process.

Implementation

@override
Widget build(BuildContext context) {
  return Scaffold(
    body: SafeArea(
      child: IndexedStack(
        children: [
          WebView(
            initialUrl: Uri.dataFromString(TosspaymentsWebview.html,
                    mimeType: 'text/html',
                    encoding: Encoding.getByName('utf-8'))
                .toString(),
            javascriptMode: JavascriptMode.unrestricted,
            javascriptChannels: <JavascriptChannel>{
              JavascriptChannel(
                  name: "TosspaymentsReady",
                  onMessageReceived: (JavascriptMessage message) {
                    executeJS(_webViewController);
                  })
            },
            onWebViewCreated: (controller) {
              _webViewController = controller;
            },
            navigationDelegate: (request) async {
              // 웹뷰 화면 전환 시 실행
              //원천사 인증 완료시
              if (didSuccess(request.url)) {
                return NavigationDecision.prevent;
              }

              if (didFail(request.url)) {
                return NavigationDecision.prevent;
              }

              if (request.url.startsWith('intent')) {
                return tossPaymentsWebview(request.url);
              }

              tossPaymentsWebview(request.url);

              return NavigationDecision.navigate;
            },
          ),
        ],
      ),
    ),
  );
}