On May 16, 2014, at 10:26 AM, Charles Carver wrote:
>> I'm pretty new to Objective-C, but have been mostly understanding everything
>> so far. I am stuck, however, on trying to share an animated GIF through
>> NSSharingService.
>>
>> I am attaching the image like so, where “image" is a string containing the
>> URL of an animated GIF (http://i.imgur.com/V8w9fKt.gif, for example):
>>
>> NSImage *imageData = [[NSImage alloc] initWithContentsOfURL:[NSURL
>> URLWithString:image]];
>> NSArray *shareItems = [NSArray arrayWithObjects:imageData, @“Text", nil];
>> NSSharingService *service = [NSSharingService
>> sharingServiceNamed:NSSharingServiceNameComposeMessage];
>> service.delegate = self;
>> [service performWithItems:shareItems];
>>
>> When the code is run and the message is sent, however, the image gets sent
>> as a PNG file instead of a GIF.
Instead of putting an NSImage into the list, try creating an NSPasteboardItem
and setting its data to be the image data and its type to kUTTypeGIF:
NSData* data = [NSData dataWithContentsOfURL:[NSURL URLWithString:image]];
NSPasteboardItem* item = [[NSPasteboardItem alloc] init];
[item setData:data forType:(__bridge NSString*)kUTTypeGIF];
NSArray *shareItems = [NSArray arrayWithObjects:item, @“Text", nil];
…
It may still end up as a PNG because the pasteboard server will translate from
any known image type to the most common interchange formats, and the receiving
end gets to pick its preferred type.
If that still doesn't work, you can try putting either the original URL into
the shareItems array or the file URL from a locally-saved file.
Regards,
Ken
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