Firstly, hi everyone. Is a pleasure to ask the first question in this forum for me.
I have a very uncommon (at least, that is what appears to be) case in our app. We have built a system that allows the end user to capture multiple images in-app and we send them to our servers.
Actually, we need these arrays of images to be stored safely in the users' device, and I have thought about Core Data or FileManager for that purpose. I want to know which is the best way to make this happen (as more difficult is to edit the image, better).
My question is: I have been able to add the GPS information to a PHAssetCreationRequest, and save that to the Gallery of the phone, but I am not able to save that information to the FileManager. How should I add the GPS data?
Several questions here.
we need these arrays of images to be stored safely in the users' device
You could:
- save file names in UserDefaults
- save the files themselves as files of the app.
- The files will be saved in the app sandbox, so not directly accessible from other apps
.
How should I add the GPS data?
- With the previous solution, you could concatenate the image name with GPS location, separated by a custom separator (as #$#) and use it as file name. Separator will ease parsing later.
- To retrieve an image:
-
- retrieve file name from userDefaults
-
- load the file to retrieve image
-
- split a name in 2 parts with the separator : the first part of the split is the image name and the second its GPS
Hope that helps.
