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Javascript 嵌套滚动视图中的ListView onscroll侦听器提供了错误的最后可见项_Javascript_Android_Listview_Android Nestedscrollview - Fatal编程技术网

Javascript 嵌套滚动视图中的ListView onscroll侦听器提供了错误的最后可见项

Javascript 嵌套滚动视图中的ListView onscroll侦听器提供了错误的最后可见项,javascript,android,listview,android-nestedscrollview,Javascript,Android,Listview,Android Nestedscrollview,我正在NestedScrollView中尝试此ListView,并向其中添加onScroll侦听器,但当我尝试获取ListView.getLastVisiblePosition()时,它为我提供了列表中的最大项,而不是最后一个可见项。如何获得与没有NestedScrollView的listview相同的结果 谢谢你的帮助,谢谢 我的onScrollListener代码 listView.setOnScrollListener(new AbsListView.OnScrollListener()

我正在NestedScrollView中尝试此ListView,并向其中添加onScroll侦听器,但当我尝试获取ListView.getLastVisiblePosition()时,它为我提供了列表中的最大项,而不是最后一个可见项。如何获得与没有NestedScrollView的listview相同的结果

谢谢你的帮助,谢谢

我的onScrollListener代码

listView.setOnScrollListener(new AbsListView.OnScrollListener() {
     @Override
     public void onScrollStateChanged(AbsListView absListView, int i) {}

     public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) 
     {
                Log.d("scroll", "scroll: " + listView.getLastVisiblePosition());
     }
});
我的xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.NestedScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:showIn="@layout/activity_merchant">

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">

            <ListView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:id="@+id/ListView">
            </ListView>

    </RelativeLayout>
</android.support.v4.widget.NestedScrollView>

嗯,这是预期的行为。由于您的列表包含在一个滚动视图中,它已经完全展开。已经找到另一个解决方案了,无论如何thx@Selçukcihanaded代码对我有效:)您的“NestedScrollView”代码对我有效:)谢谢,这是预期的行为。由于您的列表包含在滚动视图中,因此已完全展开。已找到另一个解决方案,无论如何,thx@Selçukcihanaded代码适用于我:)您的“NestedScrollView”代码适用于我:)谢谢
nest.setOnScrollChangeListener(new NestedScrollView.OnScrollChangeListener() {
      @Override
      public void onScrollChange(NestedScrollView v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) 
            {
                //get current height of screen and total height
                Display display = getWindowManager().getDefaultDisplay();
                final int stageHeight = display.getHeight();
                int currentheight = stageHeight+scrollY;
                int maxheight = listView.getHeight();

                Log.d("myarc","aaa "+ currentheight +" bbb "+ maxheight);
                if(currentheight>=maxheight && (update))
                {
                    //turn off autoupdate
                    update=false;
                    Log.d("myarc","masuk bro ");
                    //add new item
                    RowItem item = new RowItem(R.drawable.wp, "GG", "GGWP");
                    rowItems.add(item);

                    //refresh listview
                    dataAdapter.notifyDataSetChanged();
                    setListViewHeightBasedOnItems(listView);
                }
            }
        });