title: NoClassDefFoundError when using proguard
body: <p>My Project contains some librarys (ViewPagerIndicator, ActionbarSherlock, SlidingMenu...). After using proguard, my application crash every time when starts. Below is error log</p>
  
  <pre><code>java.lang.NoClassDefFoundError:android.support.v4.appp.FragmentActivity$2 at android.support.v4.app.FragmentActivity.&lt;init&gt; (Unknown Source)....
  </code></pre>
  
  <p>And here is my proguard script:</p>
  
  <pre><code>    -injars      bin/classes
  -injars      libs
  -outjars     bin/classes-processed.jar
  
  -dontpreverify
  -repackageclasses ''
  -allowaccessmodification
  -optimizations !code/simplification/arithmetic
  -keepattributes *Annotation*
  -verbose
  
  -keep public class * extends android.app.Activity
  -keep public class * extends android.app.Application
  -keep public class * extends android.app.Service
  -keep public class * extends android.content.BroadcastReceiver
  -keep public class * extends android.content.ContentProvider
  -keep public class * extends android.support.v4.app.FragmentActivity
  -keep public class * extends android.support.v4.app.Fragment
  
  -keep public class * extends android.view.View {
      public &lt;init&gt;(android.content.Context);
      public &lt;init&gt;(android.content.Context, android.util.AttributeSet);
      public &lt;init&gt;(android.content.Context, android.util.AttributeSet, int);
      public void set*(...);
  }
  
  -keepclasseswithmembers class * {
      public &lt;init&gt;(android.content.Context, android.util.AttributeSet);
  }
  
  -keepclasseswithmembers class * {
      public &lt;init&gt;(android.content.Context, android.util.AttributeSet, int);
  }
  
  -keepclassmembers class * extends android.content.Context {
     public void *(android.view.View);
     public void *(android.view.MenuItem);
  }
  
  -keepclassmembers class * implements android.os.Parcelable {
      static android.os.Parcelable$Creator CREATOR;
  }
  
  -keepclassmembers class **.R$* {
      public static &lt;fields&gt;;
  }
  
  
  
  -dontwarn android.support.**
  -dontwarn com.google.android.maps.**
  -dontwarn com.slidingmenu.lib.app.SlidingMapActivity
  -keep class android.support.** { *; }
  -keep class com.actionbarsherlock.** { *; }
  -keep interface com.actionbarsherlock.** { *; }
  -keep class com.slidingmenu.** { *; }
  -keep interface com.slidingmenu.** { *; }
  -keep public class com.viewpagerindicator.** { *; }
  -keep public interface com.viewpagerindicator.** { *; }
  </code></pre>
  
  <p>Does anyone know what wrong with my proguard script? Please let me know, thank you in advance.</p>