更新时间:2023-02-26 21:44:08
mLayoutManager是类RecyclerView.LayoutManager的对象
是不对的,你应该使用 android.support.v7.widget.LinearLayoutManager
为 mLayoutManager
,这样:
mLayoutManager is an object of class RecyclerView.LayoutManager
is wrong, you should use android.support.v7.widget.LinearLayoutManager
for mLayoutManager
, so:
mLayoutManager = new LinearLayoutManager(this);
//above 'LinearLayoutManager' is from
//'android.support.v7.widget.LinearLayoutManager'
mRecyclerView.setLayoutManager(mLayoutManager);
然后 mLayoutManager.findFirstVisibleItemPosition();
调用应该是确定的 onScrolled(...);
then mLayoutManager.findFirstVisibleItemPosition();
call should be ok in onScrolled(...);
.
希望这有助于!