UIPageControl-单击按钮即可更改页面 [英] UIPageControl - Change page on click of button

问题描述

我正在使用UIPageControl和UISwipeGestureRecognizer在视图控制器之间切换.通过滑动即可更改页面.

I am using UIPageControl along with UISwipeGestureRecognizer to switch between view controllers. The pages are changed using swipe.

在其中一个视图控制器上按下UIButton时，我还需要更改页面.

I also need to change the page when a UIButton is pressed on one of the view controllers.

以下是使用滑动方式更改视图的方法:

Here is how the swipe is used to change the views:

- (void)swipeRightToLeftGesture:(UIGestureRecognizer *)gestureRecognizer {
    if (self.pageControl.currentPage == 0) { 
       [UIView animateWithDuration:1
                 animations:^{

                     for (UIViewController *vc in self.childViewControllers) {
                         CGRect frame = vc.view.frame;
                         frame.origin.x -= self.view.frame.size.height;
                         vc.view.frame = frame;
                 }
      }];
      self.pageControl.currentPage = 1;
   }
}

我希望问题清楚.我尽力弄清楚了.

I hope the question is clear. I tried my best to make it clear.

推荐答案

有点厚脸皮，实际上您应该重构该方法，但是:

It's a little cheeky, really you should refactor the method, but:

假设您在第0页上(我猜第1页上有一个不同的按钮)，那么您可以调用方法并将nil作为参数传递.手势实际上并未使用，因此一切都应该没事.

Assuming you are on page zero (I guess there is a different button on page 1), then you can just call your method and pass nil as the parameter. The gesture isn't actually used so everything should be fine.

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