title: android gradle build error?
body: <p>Error:Execution failed for task ':app:transformClassesWithDexForDebug'.</p>
  
  <pre><code>com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_79\bin\java.exe'' finished with non-zero exit value 3
  Information:BUILD FAILED
  Information:Total time: 1 mins 34.319 secs
  Information:1 error
  Information:0 warnings
  Information:See complete output in console
  </code></pre>