> On 25 Apr 2015, at 15:06, Michael Crawford <mdcrawf...@gmail.com> wrote: > > On 4/25/15, Roland King <r...@rols.org> wrote: >> There are delegate methods for UIActionSheet and UIAlertView which tell you >> when the animation has finished. >> >> xxx:didDismissWithButtonIndex: > > You Da Man. > > I am closer to understanding why this is not working. > > my call to "[alertView show]" returns immediately. At some later > point the UIAlertView actually appears on screen. If I then tap a > button, the UIAlertViewDelegate's clickedButtonAtIndex method is > called. > > However the logic I presently have in my code is: > > NSString baseName = [ModalAlertView copyFilename]; > > where copyFilename is a class method. If it calls [alertView show], > which returns immediately then I need a way to wait around until the > button is clicked. At that point I check for an existing file and > potentially show another alert - without a text field - to ask whether > they want to overwrite an existing file. > > I expect I can work out logic that will accomplish what I need but > this must be a common problem, can anyone suggest a solution to this? > > Another way to put it is that I want to prompt for a filename, and > verify any overwrite, in a synchronous manner.
Apple’s APIs here are deliberately asynchronous. You need to make your code handle that properly. Don’t try to force it to be synchronous. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
