How to acces a file in App package for Windows store app

Question

I am trying to access a particular file from my app installed package but im gettin Javascript type mismatch error. what am i doing wrong. Please tell me a good way to access any file from my installed package.

Windows.Storage.StorageFile.getFileFromApplicationUriAsync("ms-appx://PackageName/images/appicon.png").done(
function (file) {

    // Process file
}

);

Answer 1

Need to create an URI from the string first.

var uri = new Windows.Foundation.Uri("ms-appx:///datafile.xml")
Windows.Storage.StorageFile.getFileFromApplicationUriAsync(uri).done()

MSDN Link: StorageFile.GetFileFromApplicationUriAsync