iOS - UIPageControl 页面指示器点不随 UISwipeGestureRecognizer 改变 [英] iOS - UIPageControl page indicator dots not changing with UISwipeGestureRecognizer

问题描述

我正在使用 UIPageControl 和 UISwipeGestureRecognizer 在我的应用程序的 2 个视图控制器之间切换.我修改了本教程，没有使用滚动视图.

I am using UIPageControl and UISwipeGestureRecognizer to switch between 2 view controllers of my application. I have modified this tutorial without using scroll view.

我有两个问题:

1) 使用滑动手势会改变视图控制器/页面，而不是指示当前页面的点.我试过了

1) Using the swipe gesture is changing the view controllers/pages but not the dots indicating the current page. I have tried

if (self.pageControl.currentPage == 0) {
 self.pageControl.currentPage = 1 
}

但我不确定为什么它不起作用.我有插座

but I am not sure why it does not work. I have the outlet available

@property (strong, nonatomic) IBOutlet UIPageControl *pageControl;

2) 我正在使用 - (IBAction)changePage:(id)sender 来更改页面.我想知道如何在单击某个点时切换到页面.我的意思是说，点击点 1，我应该转到第一个视图控制器，点击点 2，我应该导航到第二个视图控制器.

2) I am using - (IBAction)changePage:(id)sender for changing the page. I would like to know how to change to a page on clicking on a certain dot. I mean to say that on clicking on dot 1, I should go to the first view controller and on clicking on dot 2, I should navigate to the second view controller.

推荐答案

您需要知道点的位置并在其上添加按钮或点击手势.我不知道如何计算点在哪里 - 没有公共 API.从用户的角度来看，这些点太小而无法点击.你不应该这样做.但是可以随意向控件的任一端添加按钮/手势 - 如果它们是正常大小...

You need to know where the dots are and add buttons over them or tap gestures. I don't know how to work out where the dots are - there isn't a public API for that. And from a user point of view, the dots are too small to tap. You shouldn't do it. But feel free to add buttons / gestures to either end of the control - if they are a normal size...

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