解决android SwipeRefreshLayout recyclerview 不能下拉

addOnScrollListener

RecyclerView

recyclerView.setOnScrollListener(new RecyclerView.OnScrollListener(){
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
int topRowVerticalPosition =
(recyclerView == null || recyclerView.getChildCount() == 0) ? 0 : recyclerView.getChildAt(0).getTop();
swipeRefreshLayout.setEnabled(topRowVerticalPosition >= 0);

}

@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
super.onScrollStateChanged(recyclerView, newState);
}
});