陷入关于 RecyclerView
的问题可见项数
要求 :-
RecyclerView
有3+
项目,但需要显示 3 个项目(其他项目可以通过滚动到达)
RecyclerView
有<=3
items , 需要显示完整的 items
Recyclerview 设置适配器代码
cardoptionlist.clear();
cardoptionlist.addAll(savedcards);
cardoptionlist.add(new CardModel(true));
if (cardOptionAdapter == null) {
cardOptionAdapter = new CardOptionAdapter(getActivity(), cardoptionlist, this);
}
if (rcv_card_options.getLayoutManager() == null) {
rcv_card_options.setLayoutManager(new LinearLayoutManager(getActivity()));
}
rcv_card_options.addItemDecoration(new DividerItemDecoration(getActivity(), LinearLayoutManager.VERTICAL, 0, false));
rcv_card_options.setItemAnimator(new DefaultItemAnimator());
rcv_card_options.setHasFixedSize(true);
rcv_card_options.setItemViewCacheSize(20);
rcv_card_options.setDrawingCacheEnabled(true);
rcv_card_options.setAdapter(cardOptionAdapter);
Recyclerview Xml文件
<android.support.v7.widget.RecyclerView
android:id="@+id/rcv_card_options"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/rounded_white_app_color_border_8dp"
android:paddingBottom="2dp"
android:paddingLeft="8dp"
android:paddingRight="8dp"
android:paddingTop="2dp"
>
提前致谢
最佳答案
这对你有帮助
public void setHeight(final View convertView) {
final int height = mRecyclerView.getMeasuredHeight() / 3;
convertView.setLayoutParams(newAbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, height));
}
关于android - 设置 Recycler View 可见行计数最多 3 个项目,即使它有更多项目,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46906998/