本文介绍了获取 ViewPager 的当前位置的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我知道通过 Gallery 小部件可以使用 getSelectedItemPosition();检索当前位置,但 ViewPager 似乎没有.
I know with the Gallery widget I was able to use getSelectedItemPosition(); to retrieve the current position, however it doesnt seem ViewPager has that.
我知道我可以设置一个监听器并在页面切换时检索位置.但我想要当前的视图位置.
I know I can setup a listener and retrieve the position when the page is switched. But I want the current view position.
推荐答案
创建一个监听器并在你的viewpager上设置它:
Create a listener and set it on your viewpager:
/**
* Get the current view position from the ViewPager by
* extending SimpleOnPageChangeListener class and adding your method
*/
public class DetailOnPageChangeListener extends ViewPager.SimpleOnPageChangeListener {
private int currentPage;
@Override
public void onPageSelected(int position) {
currentPage = position;
}
public final int getCurrentPage() {
return currentPage;
}
}
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