Error when building with Android Studio with Vuzix Speech SDK

Question

I exported a project in Unity to Android Studio in order to implement the voice commands function of Smartglass Vuzix M400, the problem is that I am trying to build and the following error appears on the console:

> Could not resolve all files for configuration ':launcher:debugRuntimeClasspath'.
   > Could not find com.vuzix:sdk-speechrecognitionservice:1.91.
     Searched in the following locations:
       - https://dl.google.com/dl/android/maven2/com/vuzix/sdk-speechrecognitionservice/1.91/sdk-speechrecognitionservice-1.91.pom
       - https://jcenter.bintray.com/com/vuzix/sdk-speechrecognitionservice/1.91/sdk-speechrecognitionservice-1.91.pom
       - file:/G:/Documentos/DemoSpeech2/unityLibrary/libs/sdk-speechrecognitionservice-1.91.jar
       - file:/G:/Documentos/DemoSpeech2/unityLibrary/libs/sdk-speechrecognitionservice.jar
     Required by:
         project :launcher

Possible solution:
 - Declare repository providing the artifact, see the documentation at https://docs.gradle.org/current/userguide/declaring_repositories.html

I’ve tried to activate Gradle’s Offline function but no solution.