@property (nonatomic, strong) UIViewController *currentShowVC;
//设置代理
self.navigationController.interactivePopGestureRecognizer.delegate =(id)self;
self.navigationController.interactivePopGestureRecognizer.enabled = YES;
){
//将当前导航控制器置空
self.currentShowVC = Nil;
}else{
self.currentShowVC = self;
}
- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer
{
if (gestureRecognizer == self.navigationController.interactivePopGestureRecognizer) {
//the most important
return (self.currentShowVC == self.navigationController.topViewController);
}
return YES;
}
self.navigationController.interactivePopGestureRecognizer.delegate = self;
待整理。。。。。