private static File createReserveDiskCacheDir(Context context){
  File cacheDir=StorageUtils.getCacheDirectory(context,false);
  File individualDir=new File(cacheDir,"uil-images");
  if (individualDir.exists() || individualDir.mkdir()) {
    cacheDir=individualDir;
  }
  return cacheDir;
}

private static File createReserveDiskCacheDir ( Context context ) { File cacheDir = StorageUtils . getCacheDirectory ( context , false ) ; File individualDir = new File ( cacheDir , "uil-images" ) ; if ( individualDir . exists ( ) || individualDir . mkdir ( ) ) { cacheDir = individualDir ; } return cacheDir ; }
creates reserve disk cache folder which will be used if primary disk cache folder becomes unavailable
