kmpdfkit_demo/ios/Classes/ConversionSDKFlutterPlugin.swift

import Flutter
import UIKit
import ComPDFKit_Conversion

public class ConversionSDKFlutterPlugin : NSObject, FlutterPlugin {
    
  public static func register(with registrar: FlutterPluginRegistrar) {
      
    let channel = FlutterMethodChannel(name: "com.compdfkit.conversion.flutter.convert.sdk.info", binaryMessenger: registrar.messenger())
    let instance = ConversionSDKFlutterPlugin()
      ConverFilePlugin(messenger: registrar.messenger())
      registrar.addMethodCallDelegate(instance, channel: channel)
  }

  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
      print("method:\(call.method)");
      if (call.method == "conversion_init"){
          let initInfo = call.arguments as! [String: String];
          let key = initInfo["key"] ?? "";
          let secret = initInfo["secret"] ?? "";
          print("conversion metthod channel init")
          print("init key:\(key)");
          print("init secret:\(secret)");
          ComPDFKit_Conversion.CPDFConvertKit.setLicenseKey( key, secret: secret);
          result("true")
      } else if (call.method == "sdk_build_tag"){
          result(ComPDFKit_Conversion.CPDFConvertKit().versionString)
      } else if (call.method == "request_convert_output_path") {
          result(NSHomeDirectory() + "/Documents/ConversionDemo")
      } else if (call.method == "sdk_version"){
          result(ComPDFKit_Conversion.CPDFConvertKit().versionString)
      }
  }
}