ios 滑动返回 pop

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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,用过的同学肯定知道问题在哪里,所以具体问题我就不描述了,这里只给出如何完美解决interactivePopGestureRecognizer卡住的问题.

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

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#import "MMNavController.h"@interface MMNavController (){    }@end@implementation MMNavController- (id)initWithRootViewController:(UIViewController *)rootViewController{    self = [super initWithRootViewController:rootViewController];    if (self) {        // Custom initialization            }    return self;}- (void)viewDidLoad{            if ([self respondsToSelector:@selector(interactivePopGestureRecognizer)])    {        self.interactivePopGestureRecognizer.delegate = （id）self;       }    }- (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] )        {

//跟试图控制器页面            return NO;        }    }        return YES;}

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