是否有可能访问当前片段由ViewPager被外界解读？ [英] Is it possible to access the current Fragment being viewed by a ViewPager?

问题描述

我有一个 ViewPager 三片段秒的应用程序。我试图找出如何获得当前片段正在观看这样我就可以在它的参数得到。

I have an app with a ViewPager and three Fragments. I'm trying to figure out how to get the current Fragment being viewed so I can get at its arguments.

我有一个 OnPageChangeListener 抓取当前页面的索引，而

I have an OnPageChangeListener grabbing the current page index, but

ViewPager.getChildAt(int position);

返回查看。什么是查看，这之间的关系，当前的片段？

returns a View. What's the relationship between this View and the current Fragment?

感谢你。

推荐答案

我终于找到<一href="http://stackoverflow.com/questions/7379165/update-data-in-listfragment-as-part-of-viewpager">an回答这个工作对我来说。基本上，你可以使用标签访问该片段的viewPager页的Android：切换：+ R.id.viewpager +0。

I finally found an answer that worked for me. Basically, you can access the fragment for a viewPager page by using the tag "android:switcher:"+R.id.viewpager+":0".

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