title: Android APK Expansion Files Gives CRC ERROR after Downloading file:
body: <p>currently i am working with the Android's APK expansion files. By using the sample code provided by <a href="http://developer.android.com/guide/market/expansion-files.html#ZipLib" rel="nofollow">Google</a>,
  It downloads the file and save on the device but gives CRC error.
  Any help will be appreciated. </p>