In my tabbar app, i bring up a UIActionsheet from an action, called from a button in a navigation controller title bar.
The UIActionsheet functions as per normal, except for the bottom half of the below button 'cancel', which strangely doesnt respond to touch in the iPhone Simulator. The bottom half of the cancel button is where the UITabBar lies behind, and therefore is probably the problem.
Any ideas?
alt text http://img12.imageshack.us/img12/2166/screenshot20100119at236.png
Solution
My solution was from the first answer. Here is my working example code
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:message delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"OK" otherButtonTitles:nil];
actionSheet.actionSheetStyle = UIActionSheetStyleDefault;
[actionSheet showInView:[UIApplication sharedApplication].keyWindow];
[actionSheet release];