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我有一个GridLayoutManager视图回收站连接。默认情况下,它将显示ONE COLUMN,如果用户点击按钮,它将显示在两列中。如何改变GridLayoutManager列动态
adapter = new ProductAdapter(getActivity(), productList);
gridLayoutManager = new GridLayoutManager(getActivity(), 1);
setLayoutManager(true);
下面
是函数,其中我改变列
private void setLayoutManager(boolean isList) {
if (isList) {
adapter.VIEW_TYPE = 0 ;
gridLayoutManager.setSpanCount(1);
//product_recycler_view.setLayoutManager(new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false));
product_recycler_view.setLayoutManager(gridLayoutManager);
} else {
adapter.VIEW_TYPE = 1 ;
gridLayoutManager.setSpanCount(2);
product_recycler_view.setLayoutManager(gridLayoutManager);
}
product_recycler_view.setAdapter(adapter);
adapter.notifyDataSetChanged();
// product_recycler_view.notify();
// product_recycler_view.notifyAll();
System.out.println("clicked isList "+ isList);
}