java code

 if (call.method.equals("getPlatformVersion")) {
//      val picker= TimePicker = view.findViewById(R.id.picker);
     try{
       Context context = pluginBinding.getApplicationContext();
       File aarFile = new File(context.getApplicationInfo().dataDir +"/Users/odunayoojomo/Desktop", "tappx-sdk-4.0.4.aar");
       if (!aarFile.exists()) {
         result.error("FILE_NOT_FOUND", "The .aar file does not exist.", null);
         return;
       }
       // Load the .aar file dynamically
       DexClassLoader classLoader = new DexClassLoader(aarFile.getAbsolutePath(), context.getCacheDir().getAbsolutePath(), null, context.getClassLoader());
       Class<?> aarClass = classLoader.loadClass("com.tappx.sdk.android.Tappx"); // Replace with the actual class from the .aar file

       // Create an instance of the loaded class
       Object instance = aarClass.newInstance();


       // Invoke methods or access fields from the loaded class
       // For example, assuming there is a method named "exampleMethod" in the class:
       Method method = aarClass.getDeclaredMethod("getVersion");
       Object returnValue = method.invoke(instance);
       if (returnValue instanceof String) {
         String resultString = (String) returnValue;
         System.out.println(resultString);
         result.success(resultString);
       } else {
         result.error("INVALID_RETURN_TYPE", "The invoked method did not return a String.", null);
       }
     }catch (Exception e) {
       result.error("CONNECT_ERROR", "Failed to connect to the .aar file: " + e.getMessage(), null);
     }

    } else {
      result.notImplemented();
    }
  }