access files from assets/www directory

let's say I've got a file called foo.html sitting (quite comfortable) in my assets/www directory (next to my index.html).

I'd like to copy that file to another location on the device. My first approach window.resolveLocalFileSystemURI("foo.html", cool(), notCool());is not working. Also with a prefix like www/ it won't.

It would be interesting to know if it is actually possible at all to access files via Phonegap. I'm not convinced and therefore would like to see a code snippet how to obtain a FileEntry for files in the assets directory - if possible.

edit: Ok now we've got a call like this

window.resolveLocalFileSystemURI("file:///android_asset",
  function(entry){
    console.log(entry.fullPath);},
  function(evt){
    console.log(evt.code);}
);

but we've get an error with code: undefined (Phonegap v1.2) and code: 1 with v1.0 (code 1 = file not found?!)

Answers


You should be able to access the file this way:

window.resolveLocalFileSystemURI("file:///android_asset/www/foo.html", onResolveSuccess, onFail);

You can then use the File API - FileEntry.copyTo or FileEntry.moveTo to actually do the action. Note - you cannot actually write into the assset/www folder, only to an SD card.

Hope this helps


You can't do what you want to do. The files in the assets directory are not technically on the file system so they are not accessible via the File API. This means calling window.resolveLocalFileSystemURI() will not return you a FileEntry.

The best you can hope for is to access those files via XHR. If they are text based you can always take the result of the XHR and write it to the file system using the FileWriter. I wrote a blog post that shows how to get a file from the assets directory using XHR.

http://simonmacdonald.blogspot.com/2011/12/on-fourth-day-of-phonegapping-creating.html


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