Android ViewPager 获取当前View [英] Android ViewPager get the current View

问题描述

我有一个 ViewPager，我想获取当前选定的可见视图，而不是位置.

I have a ViewPager, and I'd like to get the current selected and visible view, not a position.

1. getChildAt(getCurrentItem) 返回错误的 View

2. 这并非一直有效.有时返回null，有时只是返回错误的View.

1. getChildAt(getCurrentItem) returns wrong View

2. This works not all the time. Sometimes returns null, sometimes just returns wrong View.

@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
    super.setUserVisibleHint(isVisibleToUser);

    if (isVisibleToUser == true) { 
        mFocusedListView = ListView; 
    }
}

PageListener on ViewPager 和 getChildAt() 也不起作用，每次都没有给我正确的视图.

PageListener on ViewPager with getChildAt() also not working, not giving me the correct View every time.

如何获取当前可见的视图?

How can i get current visible View?

View view = MyActivity.mViewPager.getChildAt(MyActivity.mViewPager.getCurrentItem()).getRootView();
ListView listview = (ListView) view.findViewById(R.id.ListViewItems);

推荐答案

我已经想通了.我所做的是调用带有名称的 setTag() 到所有 Views/ListViews，然后调用 findViewWithTag(mytag), mytag 是标签.

I've figured it out. What I did was to call setTag() with a name to all Views/ListViews, and just call findViewWithTag(mytag), mytag being the tag.

不幸的是，没有其他方法可以解决这个问题.

Unfortunately, there's no other way to solve this.

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