title: Duplicate files copied in APK META-INF/INDEX.LIST using Gluon
body: <p>I'm deloping a code in neatbeans on javafx with the latest gluon version, and when I run it in my laptop the program doesnt have problems, but when I try run in android </p>
  
  <p>I achive this message </p>
  
  <blockquote>
    <p>com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK META-INF/INDEX.LIST
        File 1: C:\Users\User.gradle\caches\modules-2\files-2.1\org.javafxports\dalvik-sdk\8.60.8\6630ec66e4703c910ac3fd6151a8494c8b59186b\unpacked\dalvik-sdk\rt\lib\ext\jfxrt.jar
        File 2: C:\Users\User.gradle\caches\modules-2\files-2.1\org.javafxports\dalvik-sdk\8.60.8\6630ec66e4703c910ac3fd6151a8494c8b59186b\unpacked\dalvik-sdk\rt\lib\ext\jfxrt.jar</p>
  </blockquote>
  
  <p>By now I'm using the recently Android's SDK version and  I've tried many solutions propouse in this site like:</p>
  
  <pre><code>            exclude 'META-INF/LICENSE.txt'
              exclude 'META-INF/NOTICE.txt'
              exclude '...'
  and more...
  </code></pre>
  
  <p>but I still cant get the solution. </p>
  
  <p>This is my build.gladle file</p>
  
  <pre><code>    buildscript {
      repositories {
          jcenter()
      }
      dependencies {
          classpath 'org.javafxports:jfxmobile-plugin:1.3.4'    
      }
  }
  
  apply plugin: 'org.javafxports.jfxmobile'
  
  repositories {
      jcenter()
      maven {
          url 'http://nexus.gluonhq.com/nexus/content/repositories/releases'   
      }
  }
  
  mainClassName = 'com.gluon_application.Gluon_Application'
  
  dependencies {
      compile 'com.gluonhq:charm:4.3.0'
      compile 'eu.hansolo:Medusa:7.6'
      compile 'com.google.api-client:google-api-client:1.22.0'
      compile 'com.pi4j:pi4j-core:1.1'
      compile 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.0.2'
      compile 'de.jensd:fontawesomefx-commons:8.15'
      compile 'de.jensd:fontawesomefx-controls:8.15'
  
  }
  
  jfxmobile {
      downConfig {
          version = '3.2.0'
          // Do not edit the line below. Use Gluon Mobile Settings in your project context menu instead
          plugins 'display', 'lifecycle', 'orientation', 'statusbar', 'storage'
      }
      javafxportsVersion = '8.60.8'
      android {    
         manifest = 'src/android/AndroidManifest.xml'
         dexOptions {
              javaMaxHeapSize '3g'
          }
          packagingOptions {
              exclude 'META-INF/LICENSE.txt'
              exclude 'META-INF/NOTICE.txt'    
          }   
      }
      ios {
          infoPList = file('src/ios/Default-Info.plist')
          forceLinkClasses = [
                  'com.gluonhq.**.*',
                  'javax.annotations.**.*',
                  'javax.inject.**.*',
                  'javax.json.**.*',
                  'org.glassfish.json.**.*'
          ]
      }
  }
  </code></pre>
  
  <p>I get this error include using the sample code "Hello world"</p>
  
  <p>What thing I should add in the script?</p>
  
  <p>Regards</p>