Dear list,
I have a core-data app which can sync the data to mobile-me. I have a design
question that perhaps others have already pondered. When is a good time to sync
from the user's perspective? If I just do it automatically in the background
I'm worried that the data will change via the sync while the user is working on
the self-same data. Is there a recommended behaviour that stops the user
getting a nasty surprise? For example, I would think it is bad form to update
the data in a text field while the user is typing in there. I considered
popping up a progress window but then I realised that would be a bad user
experience as well. My app has the feature that it can be 'locked' which means
the user doesn't input any more. Perhaps I should only sync during that state.
I wonder how iCal et al handle this.
I realise that in principle (since core-data over mobile-me is inherently a
single user experience), this is unlikely to ever happen, but one can imagine
the user starts the app and quickly goes to edit some data just as some
previous edits (entered on another computer) get pulled down.
Any thoughts gratefully received,
Martin
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Martin Hewitson
Albert-Einstein-Institut
Max-Planck-Institut fuer
Gravitationsphysik und Universitaet Hannover
Callinstr. 38, 30167 Hannover, Germany
Tel: +49-511-762-17121, Fax: +49-511-762-5861
E-Mail: martin.hewit...@aei.mpg.de
WWW: http://www.aei.mpg.de/~hewitson
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