On 11 May, 2013, at 09:50 , Markus Spoettl <ms_li...@shiftoption.com> wrote:
>> NSError *error = nil; NSURLBookmarkCreationOptions options =
>> NSURLBookmarkCreationSuitableForBookmarkFile |
>> NSURLBookmarkCreationWithSecurityScope; NSData *bookmarkData = [self.url
>> bookmarkDataWithOptions:options includingResourceValuesForKeys:nil
>> relativeToURL:nil error:&error];
>
> Have you tried using just NSURLBookmarkCreationWithSecurityScope as options?
When I do that, the bookmarkData gets created. I then found that after loading
the data back in when running the app again, then if I wanted to use the URL,
[userBookmark.url startAccessingSecurityScopedResource] returned NO. However,
it turns out that I was not reading the data back in properly. I had written
this:
self.url = [NSURL URLByResolvingBookmarkData:urlData
options:NSURLBookmarkResolutionWithoutUI
relativeToURL:nil
bookmarkDataIsStale:&bookmarkIsStale
error:&error];
Turns out had overlooked that another option needs to be passed in:
self.url = [NSURL URLByResolvingBookmarkData:urlData
options:NSURLBookmarkResolutionWithoutUI |
NSURLBookmarkResolutionWithSecurityScope
relativeToURL:nil
bookmarkDataIsStale:&bookmarkIsStale
error:&error];
Duh.
So, it looks like it is working. Except: now, if the file is moved from where
it was when the bookmark data was created, it is no longer found. When passing
in NSURLBookmarkCreationSuitableForBookmarkFile as an option in the non
sandboxed version this does retain access to the file when the file is moved.
Neither do the documents suggest that
NSURLBookmarkCreationSuitableForBookmarkFile and
NSURLBookmarkCreationWithSecurityScope are mutually exclusive options. The
question then remains, are they mutually exclusive? —Thus making bookmarks in
sandboxed apps considerably less flexible than in non-sandboxed apps.) Or
should this be possible but something else is preventing this from working?
- António
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