KIS정보통신 POSPORTAL

4.3. KIS 모듈 4.3.2. FAQ 4.3.2.9. Flutter에서 DLL 연결이 안돼요

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4.3.2.9. Flutter에서 DLL 연결이 안돼요

<p>windows 환경에서 Flutter 와 AGENT 연결할 때 dll 를 지원 해 주고 있습니다.</p><h4>1. 패키지 설치</h4><p>pubspec.yaml 에 다음과 같이 js 패키지를 추가합니다.</p><div data-language="text" class="toastui-editor-ww-code-block-highlighting"><pre><code>dependencies:
  flutter:
    sdk: flutter
  ffi: ^2.0.1 
  charset_converter: ^2.0.1
  cupertino_icons: ^1.0.6
  intl: ^0.18.0
 
dev_dependencies:
  flutter_test:
    sdk: flutter
  ffi: ^2.0.1 
  charset_converter: ^2.0.1
  flutter_lints: ^3.0.0
  intl: ^0.18.0</code></pre></div><p>추가하고 패키지를 설치합니다.</p><p><br></p><p>$ flutter pub get</p><h4>2. dll 연결선언</h4><div data-language="text" class="toastui-editor-ww-code-block-highlighting"><pre><code>import 'dart:convert';
import 'dart:ffi';
import 'dart:io';
import 'package:ffi/ffi.dart'; 
import 'dart:typed_data';
import 'package:charset_converter/charset_converter.dart';

final DynamicLibrary kisPosAgentLibrary = DynamicLibrary.open('Dll_x64.dll');

typedef CInitDll = Int32 Function();
typedef DartInitDll = int Function();
final DartInitDll initDll = kisPosAgentLibrary
    .lookup&lt;NativeFunction&lt;CInitDll&gt;&gt;('InitDll')
    .asFunction&lt;DartInitDll&gt;();</code></pre></div><h4>3. main.dart 추가</h4><div data-language="text" class="toastui-editor-ww-code-block-highlighting"><pre><code>// InitDll 호출
final initResult = initDll();
print('InitDll result: $initResult');
if (initResult != 0) {
  print('InitDll failed with code: $initResult');
  return;
}</code></pre></div><h4>4.사용</h4><div data-language="text" class="toastui-editor-ww-code-block-highlighting"><pre><code>// run
flutter run -d windows
Launching lib\main.dart on Windows in debug mode...
Building Windows application...                                     8.6s
？ Built build\windows\x64\runner\Debug\my_flutter_app.exe
Syncing files to device Windows...                                  54ms

Flutter run key commands.
r Hot reload. ？？？？？？
R Hot restart.
h List all available interactive commands.
d Detach (terminate "flutter run" but leave application running).
c Clear the screen
q Quit (terminate the application on the device).

A Dart VM Service on Windows is available at: http://127.0.0.1:53106/JNRgyWRPPeI=/</code></pre></div><p>참고&gt;</p><p><br></p><p>"<a href="https://dart.dev/interop/c-interop">https://dart.dev/interop/c-interop</a>"</p><p><br></p><p>"<a href="https://api.dart.dev/dart-ffi/NativeFunction-class.html">https://api.dart.dev/dart-ffi/NativeFunction-class.html</a>"</p><p><br></p><p>"<a href="https://dart.dev/tools/diagnostic-messages">https://dart.dev/tools/diagnostic-messages</a>"</p>

4.3.2.8. Flutter에서 한글 오류깨져요

4.3.2.10. [토스프론트] 사장님에게 간편결제를 요청해주세요 단말기업데이트 필요 문구 관련

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