Flutter-iOS when apps update / recompile stored image is missing

Question

Hi forgive my English and also a newbie on flutter iOS, I have an app on flutter on iOS that users can take pictures and videos from their camera and gallery I'm using the image_picker package this has no problem, then I save it on the on its Application Documents Directory I tried following this guide

my code for getting the application directory is this

Directory _appDocDir;
_appDocDir = await getApplicationDocumentsDirectory();
final Directory _appMediaDir = Directory('${_appDocDir.path}/Pictures/');
return _appMediaDir;

added with a 'Pictures' directory this will give a path of

/Users/macman/Library/Developer/CoreSimulator/Devices/96060868-7E5C-4E15-9900-4D1D4B0B5ACE/data/Containers/Data/Application/BE7728A6-FF15-498E-91A0-A96A3DDE5B31/Documents/Pictures/D_IMG_0002.JPG  

from the iOS-simulator I save it and put in the database, and after re-compiling the app or doing a build update the previewing the image/video path is not found anymore. I tried to save another image on this build it and gave this path

/Users/macman/Library/Developer/CoreSimulator/Devices/96060868-7E5C-4E15-9900-4D1D4B0B5ACE/data/Containers/Data/Application/9D634D91-07B8-43BE-8646-2A55833322DF/Documents/Pictures/D_IMG_0005.JPG

I noticed earlier path this part "/BE7728A6-FF15-498E-91A0-A96A3DDE5B31/" is changed every time I re-compile the app or make an update from the iOS device the image is not found. What is the most practice for this users able to save image am I doing it wrong?

Update: I tried changing my logic to change the saved path to only the base name (D_IMAGE_0005.JPG) then when previewing the image will call the current application documents directory but this does not work also.

Thank You

Answer 1

iOS removes the documents directory every time you reinstall the app if your application is running on a sandbox environment.

Please refer to this stackoverflow question for more clarification

Answer 2

Hi don't save the whole path given by the getApplicationDocumentsDirectory() on you record, instead save only the basename, and every time you preview/load the image call the

getApplicationDocumentsDirectory() + 'Pictures/<basename>',

every time the app gets updated or recompiled on the iOS the appid changes, that is why your path fails to load on a recompile.