ios侧滑返回：完美解决 interactivePopGestureRecognizer 卡住的问题

interactivePopGestureRecognizer是iOS7推出的解决VeiwController滑动后退的新功能,虽然很实用,但是坑也很多啊（比如在rootViewcontroller下，使用侧滑返回手势，可能就卡住了）,这里给出如何完美解决interactivePopGestureRecognizer卡住的问题.

当然我们要自定义UINavigationController来解决这个问题:

#import "MMNavController.h"





@interface MMNavController ()

{

    

}



@end



@implementation MMNavController



- (id)initWithRootViewController:(UIViewController *)rootViewController

{

    self = [super initWithRootViewController:rootViewController];

    if (self) {

        // Custom initialization

        

    }

    return self;

}





- (void)viewDidLoad

{

    

    __weak MMNavController *weakSelf = self;

    

    if ([self respondsToSelector:@selector(interactivePopGestureRecognizer)])

    {

        self.interactivePopGestureRecognizer.delegate = weakSelf;

        

        self.delegate = weakSelf;

    }

    

}



- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated

{

    

    if ( [self respondsToSelector:@selector(interactivePopGestureRecognizer)] && animated == YES )

    {

        self.interactivePopGestureRecognizer.enabled = NO;

    }

    

    [super pushViewController:viewController animated:animated];

    

}



- (NSArray *)popToRootViewControllerAnimated:(BOOL)animated

{

    if ( [self respondsToSelector:@selector(interactivePopGestureRecognizer)] && animated == YES )

    {

        self.interactivePopGestureRecognizer.enabled = NO;

    }

    

    return  [super popToRootViewControllerAnimated:animated];

    

}



- (NSArray *)popToViewController:(UIViewController *)viewController animated:(BOOL)animated

{

    if( [self respondsToSelector:@selector(interactivePopGestureRecognizer)] )

    {

        self.interactivePopGestureRecognizer.enabled = NO;

    }

    

    return [super popToViewController:viewController animated:animated];

    

}



#pragma mark UINavigationControllerDelegate



- (void)navigationController:(UINavigationController *)navigationController

       didShowViewController:(UIViewController *)viewController

                    animated:(BOOL)animate

{

    if ([self respondsToSelector:@selector(interactivePopGestureRecognizer)])

    {

        self.interactivePopGestureRecognizer.enabled = YES;

    }

}





-(BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer

{

    

    if ( gestureRecognizer == self.interactivePopGestureRecognizer )

    {

        if ( self.viewControllers.count < 2 || self.visibleViewController == [self.viewControllers objectAtIndex:0] )

        {

            return NO;

        }

    }

    

    return YES;

}





@end

 

转载自：http://adad184.com/2013/12/12/2013-12-12-wan-mei-jie-jue-interactivepopgesturerecognizer-qia-zhu-de-wen-ti/