static File createLibsDirectory(Context context){
  File libsDirectory=getLibsDirectory(context);
  if (!libsDirectory.isDirectory() && !libsDirectory.mkdirs()) {
    throw new RuntimeException("could not create libs directory");
  }
  return libsDirectory;
}

static File createLibsDirectory ( Context context ) { File libsDirectory = getLibsDirectory ( context ) ; if ( ! libsDirectory . isDirectory ( ) && ! libsDirectory . mkdirs ( ) ) { throw new RuntimeException ( "could not create libs directory" ) ; } return libsDirectory ; }
return the directory into which we put our self - extracted native libraries and make sure it exists .
