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