daum_postcode_search 0.0.1
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This package is for using the [DAUM postcode service] (https://postcode.map.daum.net/guide) in Flutter. Using InAppWebView, the internal server is operated using the HTML file included in the package,

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README-KR

DAUM Postcode Search Package #

This package is for using the [DAUM postcode service] (https://postcode.map.daum.net/guide) in Flutter. Using InAppWebView, the internal server is operated using the HTML file included in the package, and through this, the [DAUM postcode service] (https://postcode.map.daum.net/guide) is used to search for a domestic address.

Setup #

Android

Add android:usesCleartextTraffic="true" to your <application> in AndroidManifest.xml. Clear text traffic-related errors occur if you do not set permissions because some items in [DAUM postcode service] (https://postcode.map.daum.net/guide) do not use SSL.

Example #

Below is an example of implementing a search page using the Daum Postcode Search package.

class SearchingPage extends StatefulWidget {
  @override
  _SearchingPageState createState() => _SearchingPageState();
}

class _SearchingPageState extends State<`SearchingPage> {
  bool _isError = false;
  String? errorMessage;

  @override
  Widget build(BuildContext context) {
    DaumPostcodeSearch daumPostcodeSearch = DaumPostcodeSearch(
      onConsoleMessage: (_, message) => print(message),
      onLoadError: (controller, uri, errorCode, message) => setState(
        () {
          _isError = true;
          errorMessage = message;
        },
      ),
      onLoadHttpError: (controller, uri, errorCode, message) => setState(
        () {
          _isError = true;
          errorMessage = message;
        },
      ),
    );

    return Scaffold(
      appBar: AppBar(
        title: Text("주소 검색 페이지입니다."),
        centerTitle: true,
      ),
      body: Container(
        child: Column(
          children: [
            Expanded(
              child: daumPostcodeSearch,
            ),
            Visibility(
              visible: _isError,
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: [
                  Text(errorMessage ?? ""),
                  ElevatedButton(
                    child: Text("Refresh"),
                    onPressed: () {
                      daumPostcodeSearch.controller?.reload();
                    },
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}

You can access the Controller of InAppWebView by using the DaumPostcodeSearch object daumPostcodeSearch created as a variable in build, and by using this, when an error occurs, it is possible to process such as Refresh.

In the example, when an error occurs, the status value _isError is set to true, and the refresh and error messages are output using Visibility.


The example below is an example that displays the search results received using the SearchingPage written above on the screen.

class DaumPostcodeSearchExample extends StatefulWidget {
  DaumPostcodeSearchExample({Key? key, required this.title}) : super(key: key);

  final String title;

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

class _DaumPostcodeSearchExampleState extends State<DaumPostcodeSearchExample> {
  DataModel? _daumPostcodeSearchDataModel;

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    TableRow _buildTableRow(String label, String value) {
      return TableRow(
        children: [
          TableCell(
            verticalAlignment: TableCellVerticalAlignment.middle,
            child: Text(label, textAlign: TextAlign.center),
          ),
          TableCell(
            child: Text(value, textAlign: TextAlign.center),
          ),
        ],
      );
    }

    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Padding(
          padding: EdgeInsets.all(10),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: <Widget>[
              ElevatedButton.icon(
                onPressed: () async {
                  try {
                    DataModel model = await Navigator.of(context).push(
                      MaterialPageRoute(
                        builder: (context) => SearchingPage(),
                      ),
                    );

                    setState(
                      () {
                        _daumPostcodeSearchDataModel = model;
                      },
                    );
                  } catch (error) {
                    print(error);
                  }
                },
                icon: Icon(Icons.search),
                label: Text("주소 검색"),
              ),
              Visibility(
                visible: _daumPostcodeSearchDataModel != null,
                child: Card(
                  child: Padding(
                    padding: EdgeInsets.all(10),
                    child: Column(
                      children: [
                        Padding(
                          padding: EdgeInsets.all(10),
                          child: RichText(
                            text: TextSpan(
                              style:
                                  TextStyle(color: Colors.black, fontSize: 20),
                              children: [
                                WidgetSpan(
                                  child: Icon(
                                    Icons.check_circle,
                                    color: Theme.of(context).accentColor,
                                  ),
                                ),
                                TextSpan(text: "주소 검색 결과"),
                              ],
                            ),
                          ),
                        ),
                        Table(
                          border: TableBorder.symmetric(
                              inside: BorderSide(color: Colors.grey)),
                          columnWidths: {
                            0: FlexColumnWidth(1),
                            1: FlexColumnWidth(2),
                          },
                          children: [
                            _buildTableRow(
                              "한글주소",
                              _daumPostcodeSearchDataModel?.address ?? "",
                            ),
                            _buildTableRow(
                              "영문주소",
                              _daumPostcodeSearchDataModel?.addressEnglish ??
                                  "",
                            ),
                            _buildTableRow(
                              "우편번호",
                              _daumPostcodeSearchDataModel?.zonecode ?? "",
                            ),
                            _buildTableRow(
                              "지번주소",
                              _daumPostcodeSearchDataModel?.autoJibunAddress ??
                                  "",
                            ),
                            _buildTableRow(
                              "지번주소(영문)",
                              _daumPostcodeSearchDataModel
                                      ?.autoJibunAddressEnglish ??
                                  "",
                            )
                          ],
                        )
                      ],
                    ),
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

This is a DaumPostcodeSearchExample that uses the DataModel object _daumPostcodeSearchDataModel to display the result screen. For items provided by DataModel, refer to DataModel.

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This package is for using the [DAUM postcode service] (https://postcode.map.daum.net/guide) in Flutter. Using InAppWebView, the internal server is operated using the HTML file included in the package, and through this, the [DAUM postcode service] (https://postcode.map.daum.net/guide) is used to search for a domestic address.

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License

MIT (LICENSE)

Dependencies

flutter, flutter_inappwebview

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