How to get folder size in Adobe Air?

How to get folder开发者_如何学C size in Adobe Air?

Should be fairly simple using File.size. Just in case is confusing, folders in AIR are represented using the File class, which extends FileReference, thus the link to the FileReference documentation.

Recursive folder listings and contents processing
http://cookbooks.adobe.com/post_Recursive_folder_listings_and_contents_processing-9410.html

...has sufficient sample code in it to get you started.

my implementation is:

public static function getFileSize(file:File):Number{ var result:Number = 0; if(file == null || file.exists == false) { return 0; } if(file.isDirectory){ var files:Array = file.getDirectoryListing(); for each (var f:File in files) { if(f.isDirectory){ result += getFileSize(f); }else{ result += f.size; } } }else{ return file.size; } return result; }