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Path to file for AIR

Posted on 2008-10-13
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Last Modified: 2013-11-11
I'm creating an air file.  Is there a way to get the path that the air file resides at?  Something similar to file.nativePath, but instead of giving the path of a file, I want the path of my air exe/app,
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Question by:walker6o9
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Expert Comment

by:Savong
ID: 22707604
The applicationDirectory property of any File object should give you this value.
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Author Comment

by:walker6o9
ID: 22707657
I got the following error.

My relevant code below.  I imported the filesystem class and declared file as a file object earlier in code but don't want to include it so as not to clutter things up too much for you.


MY ERROR:


ReferenceError: Error #1069: Property applicationDirectory not found on flash.filesystem.File and there is no default value.
      at XBoxApp/showCompleteScreen()[C:\Users\freelance9\Desktop\Interfaces\Design\XBoxApp.as:363]
      at XBoxApp/onDownloaded()[C:\Users\freelance9\Desktop\Interfaces\Design\XBoxApp.as:533]
      at flash.events::EventDispatcher/dispatchEventFunction()
      at flash.events::EventDispatcher/dispatchEvent()
      at flash.net::URLLoader/onComplete()
public function startDownload( evt:Event )

		{

			this.hideDownloadscreens(evt);

		

			file.addEventListener( Event.SELECT, dirSelected );

			file.browseForDirectory( "Select a directory" );

		}

		

		//--------------------------------------------------------------------------------

		// Open a directory selection window

		public function dirSelected( evt:Event )

		{

			if ( this.fileList.length > 0 )

			{

				this.currentFile = 0;

				driveNum = 0;

				var drive:String = "";

				this.loadFile(drive);

			}

		}

		
 
 

public function loadFile(drive:String):void

		{

			

			

			var filename2:String = this.fileList[this.currentFile];

			var byteLoader:URLLoader = new URLLoader();

		

			byteLoader.dataFormat = URLLoaderDataFormat.BINARY;

			byteLoader.addEventListener( Event.COMPLETE, onDownloaded );

			byteLoader.addEventListener( SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler );

			byteLoader.addEventListener( HTTPStatusEvent.HTTP_STATUS, httpStatusHandler );

			byteLoader.addEventListener( IOErrorEvent.IO_ERROR, ioErrorHandler );

		

			var filename:String = new String();

			filename = drive + filename2;

			

			//filename = filename2;

			

			var fileRequest = new URLRequest( filename );

		

			

			trace("DIRECTORY: "+file.applicationDirectory);

			byteLoader.load( fileRequest );

			

			

		}

		

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Expert Comment

by:Savong
ID: 22708150
Well, it looks like applicationDirectory is a static property so it can be accessed like so:
File.applicationDirectory.nativePath

More info is here:
http://livedocs.adobe.com/flex/3/langref/flash/filesystem/File.html#applicationDirectory
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Author Comment

by:walker6o9
ID: 22717192
I tried that, but it gives me the path to the storage or app directories that are created in air.

Basically, I have the air files running on DVD's, and what I need to get the drive name that the DVD is in.  So far example, for most cases, this would be a D on an E.  
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Accepted Solution

by:
Savong earned 500 total points
ID: 22718199
AIR files can't run from a DVD so they won't have a reference to that location.  The file only "runs" from the installed files.  Your only real option for getting a location on the DVD would be to ask the user to browse, or guess a path and test for files that you expect.  There's not many provisions in AIR (at least currently) for working from optical media.
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