title: Unable to configure Proguard for extracting APK
body: <p>I keep getting the error message (far below) when running <code>ProGuard</code> on my app.  I do have external library files in my app. </p>
  
  <p><strong>This is my <code>proguard-android.txt</code> file code</strong>  </p>
  
  <pre><code>        # This is a configuration file for ProGuard.
          # http://proguard.sourceforge.net/index.html#manual/usage.html
  
          -dontusemixedcaseclassnames
          -dontskipnonpubliclibraryclasses
          -verbose
  
          # Optimization is turned off by default. Dex does not like code run
          # through the ProGuard optimize and preverify steps (and performs some
          # of these optimizations on its own).
          -dontoptimize
          -dontpreverify
          # Note that if you want to enable optimization, you cannot just
          # include optimization flags in your own project configuration file;
          # instead you will need to point to the
          # "proguard-android-optimize.txt" file instead of this one from your
          # project.properties file.
  
          -keepattributes *Annotation*
          -keep public class com.google.vending.licensing.ILicensingService
          -keep public class com.android.vending.licensing.ILicensingService
  
          # For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
          -keepclasseswithmembernames class * {
              native &lt;methods&gt;;
          }
  
          # keep setters in Views so that animations can still work.
          # see http://proguard.sourceforge.net/manual/examples.html#beans
          -keepclassmembers public class * extends android.view.View {
             void set*(***);
             *** get*();
          }
  
          # We want to keep methods in Activity that could be used in the XML attribute onClick
          -keepclassmembers class * extends android.app.Activity {
             public void *(android.view.View);
          }
  
          # For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
          -keepclassmembers enum * {
              public static **[] values();
              public static ** valueOf(java.lang.String);
          }
  
          -keep class * implements android.os.Parcelable {
            public static final android.os.Parcelable$Creator *;
          }
  
          -keepclassmembers class **.R$* {
              public static &lt;fields&gt;;
          }
  
          -keep class javax.** { *; }
          -keep class org.** { *; }
          -keep class com.squareup.** { *; }
  
          # The support library contains references to newer platform versions.
          # Don't warn about those in case this app is linking against an older
          # platform version.  We know about them, and they are safe.
          -dontwarn android.support.**
          -dontwarn javax.management.**
          -dontwarn java.lang.management.**
          -dontwarn org.apache.log4j.**
          -dontwarn org.apache.commons.logging.**
          -dontwarn org.slf4j.**
          -dontwarn org.json.*
          -dontwarn com.squareup.okhttp.OkHttpClient.*
  </code></pre>
  
  <p><strong>Logcat error message:</strong></p>
  
  <pre><code>        [2014-08-26 18:25:15 - Scootr] Proguard returned with error code 1. See console
          [2014-08-26 18:25:15 - Scootr] Note: there were 1 duplicate class definitions.
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.ServletContextCleaner: can't find superclass or interface javax.servlet.ServletContextListener
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkUrlFactory
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Cache
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.Cache
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkUrlFactory
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkUrlFactory
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkUrlFactory
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkUrlFactory
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient
          [2014-08-26 18:25:15 - Scootr] Warning: com.squareup.picasso.OkHttpDownloader: can't find referenced class com.squareup.okhttp.OkHttpClient
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.AvalonLogger: can't find referenced class org.apache.avalon.framework.logger.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Category
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Category
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Level
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Level
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Level
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Level
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Level
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Category
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Category
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Category
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Priority
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Category
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Level
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Priority
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.Log4JLogger: can't find referenced class org.apache.log4j.Priority
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Hierarchy
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Hierarchy
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Hierarchy
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.LogKitLogger: can't find referenced class org.apache.log.Logger
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.ServletContextCleaner: can't find referenced class javax.servlet.ServletContextListener
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.ServletContextCleaner: can't find referenced class javax.servlet.ServletContextEvent
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.ServletContextCleaner: can't find referenced class javax.servlet.ServletContextEvent
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.ServletContextCleaner: can't find referenced class javax.servlet.ServletContextEvent
          [2014-08-26 18:25:15 - Scootr] Warning: org.apache.commons.logging.impl.ServletContextCleaner: can't find referenced class javax.servlet.ServletContextEvent
          [2014-08-26 18:25:15 - Scootr]       You should check if you need to specify additional program jars.
          [2014-08-26 18:25:15 - Scootr] Warning: there were 87 unresolved references to classes or interfaces.
          [2014-08-26 18:25:15 - Scootr]          You may need to specify additional library jars (using '-libraryjars').
          [2014-08-26 18:25:15 - Scootr] java.io.IOException: Please correct the above warnings first.
          [2014-08-26 18:25:15 - Scootr]  at proguard.Initializer.execute(Initializer.java:321)
          [2014-08-26 18:25:15 - Scootr]  at proguard.ProGuard.initialize(ProGuard.java:211)
          [2014-08-26 18:25:15 - Scootr]  at proguard.ProGuard.execute(ProGuard.java:86)
          [2014-08-26 18:25:15 - Scootr]  at proguard.ProGuard.main(ProGuard.java:492)
  </code></pre>