title: Gradle Build Error : aidl.exe finished with non-zero exit value 1
body: <p>this is my build.gradle file:</p>
  
  <p><a href="http://i.stack.imgur.com/ENTbh.png" rel="noreferrer">click to see screenshot</a></p>
  
  <p>and my error :</p>
  
  <blockquote>
    <p>Error:Execution failed for task ':app:compileDebugAidl'.
    com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'D:\dev\sdk\build-tools\22.0.1\aidl.exe'' finished with non-zero exit value 1</p>
  </blockquote>
  
  <p>how can I fix this error?</p>