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iphonedatamodel

Data structure for imagelinks


I'm developing a housing app with a number of houses which each have attributes. Those attributes are currently listed in a dictionary like: House 0 {key: string, key: string} etc.

I'm currently at the point where i want to add some images, which have to be downloaded and displayed. I already wrote the async image loader class. Im just wondering about how to structure the image links, and I would be the one to dive head first into something like this and spend two days debugging a crappy solution.

I thought about adding another dictionary named images in the current House 0 dict, and then looping through it. But I would love to hear better (easier) solutions.

Every house can have any number of images.

Edit:

I hope im not going to make anybody cry or murder me... But I did it like this:

<key>Images</key> <string>image.jpg,image2.jpg,image3.jpg</string>

NSArray *ar = [[dict objectForKey@"images"] componentsSeparatedByString:@","];

=D

Dont kill me.


Solution

  • First refactor the dictionary to a class and add archiving if necessary. In the long term a class will make the code simpler and less fragile.

    If the images are really small saving them in a class may be OK but it is probably better to save them as files with the file names in the class. If there is a possible image name conflict create a UUID of the image name.

    Also consider Core Data if the data and images need to persist.