title: Unable to execute dex: Multiple dex files define Landroid/support/v4/accessibilityservice
body: <p>I am getting error in <code>SherLock</code> while executing. I have tried many things, like removed bin folder, build project again, clean project and many more. But none of them is working.<br><br>
  Please help me for this.<br/><br/>
  <strong>Console :</strong></p>
  
  <pre><code>Unable to execute dex: Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoVersionImpl;
      [2014-04-14 16:26:12 - Navigation-drawer-page-sliding-tab-strip]
  Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoVersionImpl;
  </code></pre>
  
  <p><strong>Error Log :</strong></p>
  
  <pre><code>null
  Error
  Mon Apr 14 16:26:12 IST 2014
  Unable to execute dex: Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoVersionImpl;
  
  com.android.dex.DexException: Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoVersionImpl;
      at com.android.dx.merge.DexMerger.readSortableTypes(DexMerger.java:594)
      at com.android.dx.merge.DexMerger.getSortedTypes(DexMerger.java:552)
      at com.android.dx.merge.DexMerger.mergeClassDefs(DexMerger.java:533)
      at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:170)
      at com.android.dx.merge.DexMerger.merge(DexMerger.java:188)
      at com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:439)
      at com.android.dx.command.dexer.Main.runMonoDex(Main.java:287)
      at com.android.dx.command.dexer.Main.run(Main.java:230)
      at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at com.android.ide.eclipse.adt.internal.build.DexWrapper.run(DexWrapper.java:187)
      at com.android.ide.eclipse.adt.internal.build.BuildHelper.executeDx(BuildHelper.java:813)
      at com.android.ide.eclipse.adt.internal.build.builders.PostCompilerBuilder.build(PostCompilerBuilder.java:597)
      at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)
      at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
      at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
      at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:321)
      at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:396)
      at org.eclipse.core.internal.resources.Project$1.run(Project.java:618)
      at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
      at org.eclipse.core.internal.resources.Project.internalBuild(Project.java:597)
      at org.eclipse.core.internal.resources.Project.build(Project.java:124)
      at com.android.ide.eclipse.adt.internal.project.ProjectHelper.doFullIncrementalDebugBuild(ProjectHelper.java:1116)
      at com.android.ide.eclipse.adt.internal.launch.LaunchConfigDelegate.launch(LaunchConfigDelegate.java:147)
      at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:855)
      at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:704)
      at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1047)
      at org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1251)
      at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
  </code></pre>