IOS dismissViewControllerAnimated 传值

1.新建PassValueDelegate.h

@protocol PassValueDelegate <NSObject>  

-(void)passValue:(NSString *)value;  

@end

2. 

@interface AViewController : UIViewController<PassValueDelegate>

-(void)passValue:(NSString *)value{  

　　NSLog(@"get backcall value=%@",value);  

} 

-(void)newView

{

　　newViewController.delegate = self;

}

3.  newViewController

　　self dismissViewControllerAnimated:YES completion:^{  

　　//通过委托协议传值  

     [self.delegate passValue:@"passValue"];

}];  

转载

http://ikrboy.iteye.com/blog/2007046