When using UIDocumentPickerViewController for importing data into my app, I would like to remember the last service/location that was chosen by the user, and start the navigation with that service.
E.g. if a user imports something from Dropbox, and then later on wants to import something again, I would like the document picker to start with Dropbox as the initial location.
Unfortunately, the default behaviour is that the picker always starts with iCloud Drive, so each time a user wants to import something from Dropbox, they have to tap on Locations, and pick Dropbox from there - two unnecessary taps.
I've tried to keep a strong reference to a previously shown picker, but presenting that picker again doesn't seem to work - it just shows a blank view.
if(self.documentPicker) {
[self presentViewController:self.documentPicker animated:YES completion:nil];
return;
}
UIDocumentPickerViewController *vc =
[[UIDocumentPickerViewController alloc] initWithDocumentTypes:@[@"public.audio"] inMode:UIDocumentPickerModeImport];
vc.delegate = self;
self.documentPicker = vc;
[self presentViewController:vc animated:YES completion:nil];
There's also UIDocumentMenuViewController, which lets you choose a location/service up front and lets you then show the document picker which was chosen by it, but again, I have found no way to store a reference to a location with which to show a document picker in future import actions.
cheers!
