滚动到底部时加载更多数据 [英] Load more data when Scroll reaches bottom
本文介绍了滚动到底部时加载更多数据的处理方法,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
我是Android的新手.我的要求是加载额外的数据滚动到底部时,设置为列表视图.我可以调用下一个数据,但是我的上一个数据被隐藏了.该如何纠正?
I'm new to Android. My requirement is to load extra data & set to the list view, when scroll reaches to the bottom. I am able to call next data but my previous data is hiding. How to correct this?
listView.setOnScrollListener(new OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view,
int scrollState) {
// TODO Auto-generated method stub
}
@Override
public void onScroll(AbsListView view,
int firstVisibleItem, int visibleItemCount,
int totalItemCount) {
// TODO Auto-generated method stub
if (listView.getLastVisiblePosition() == listView
.getAdapter().getCount() - 1
&& listView.getChildAt(
listView.getChildCount() - 1)
.getBottom() <= listView
.getHeight()) {
// scroll end reached
if (nextCall == null || nextCall == ""
|| nextCall.equals("null")
|| nextCall.equals("")) {
} else {
hostname=nextCall;
new ArticlesList().execute();
}
// Write your code here
}else{
}
}
});
dialog.dismiss();
} else {
Toast.makeText(getActivity(), "Went wrong",
Toast.LENGTH_LONG).show();
dialog.dismiss();
}
推荐答案
访问此页面,它描述了如何在listview中进行分页. PagingListView
visit this which is discribe how to do pagination in listview. PagingListView
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