setViewControllers:animated:侧滑设置没生效

[lonely4flow]

在使用setViewControllers:animated:方法一次性push多个Controller到栈里时，某个Controller设置的禁止侧滑功能没有生效，需要对setViewControllers:animated:要像pushViewController:animated:一样支持，添加方法如下：

• (void)load
  {
  // Inject "-setViewControllers:animated:"
  Method originalMethod = class_getInstanceMethod(self, @selector(pushViewController:animated:));
  Method swizzledMethod = class_getInstanceMethod(self, @selector(fd_pushViewController:animated:));
  method_exchangeImplementations(originalMethod, swizzledMethod);
  // Inject "-pushViewController:animated:"
  Method originalMethod2 = class_getInstanceMethod(self, @selector(setViewControllers:animated:));
  Method swizzledMethod2 = class_getInstanceMethod(self, @selector(fd_setViewControllers:animated:));
  method_exchangeImplementations(originalMethod2, swizzledMethod2);
  }

• (void)fd_setViewControllers:(NSArray *)viewControllers animated:(BOOL)animated
  {
  for(UIViewController *viewController in viewControllers){
  if (![self.interactivePopGestureRecognizer.view.gestureRecognizers containsObject:self.fd_fullscreenPopGestureRecognizer]) {

        // Add our own gesture recognizer to where the onboard screen edge pan gesture recognizer is attached to.
        [self.interactivePopGestureRecognizer.view addGestureRecognizer:self.fd_fullscreenPopGestureRecognizer];
        
        // Forward the gesture events to the private handler of the onboard gesture recognizer.
        NSArray *internalTargets = [self.interactivePopGestureRecognizer valueForKey:@"targets"];
        id internalTarget = [internalTargets.firstObject valueForKey:@"target"];
        SEL internalAction = NSSelectorFromString(@"handleNavigationTransition:");
        self.fd_fullscreenPopGestureRecognizer.delegate = self.fd_popGestureRecognizerDelegate;
        [self.fd_fullscreenPopGestureRecognizer addTarget:internalTarget action:internalAction];
        
        // Disable the onboard gesture recognizer.
        self.interactivePopGestureRecognizer.enabled = NO;
    }
    [self fd_setupViewControllerBasedNavigationBarAppearanceIfNeeded:viewController];
  

  }
  [self fd_setViewControllers:viewControllers animated:animated];
  }