Core Data例子4

/* Erica Sadun, http://ericasadun.com iPhone Developer's Cookbook, 3.0 Edition BSD License, Use at your own risk */ #import <UIKit/UIKit.h> @interface ModalAlert : NSObject + (NSString *) ask: (NSString *) question withTextPrompt: (NSString *) prompt; + (NSUInteger) ask: (NSString *) question withCancel: (NSString *) cancelButtonTitle withButtons: (NSArray *) buttons; + (void) say: (id)formatstring,...; + (BOOL) ask: (id)formatstring,...; + (BOOL) confirm: (id)formatstring,...; @end