Java 允许一组过滤后的mitem动态更新您的RecyclerView，以防止UI“闪烁”（每次用户按键更新sql查询时持续清除整个视图）。第三：在这里回顾一下我关于如何进行选择性通知的回答：是的，这似乎是最好的方法。谢谢@droidchef private L

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允许一组过滤后的

mitem

动态更新您的

RecyclerView

，以防止UI“闪烁”（每次用户按键更新sql查询时持续清除整个视图）。第三：在这里回顾一下我关于如何进行选择性通知的回答：是的，这似乎是最好的方法。谢谢@droidchef

 private List<InventoryPreviewClass> mItems;
 private RecyclerView mRecyclerView;
 adpInventoryPreview adapter;

mItems = db.Query<InventoryPreviewClass>("select * from InventoryPreviewClass where CategoryID =" + CategoryID + ""); //Here i am reading from sqlite

mRecyclerView.HasFixedSize = true;
var layout = new GridLayoutManager(this, InventoryRowsPerLine, GridLayoutManager.Vertical, false);
mRecyclerView.SetLayoutManager(layout);
adapter = new adpInventoryPreview(mItems);
mRecyclerView.SetAdapter(adapter);

private void EtSearchAlwaysOn_TextChanged(object sender, Android.Text.TextChangedEventArgs e)
{      
   mItems = db.Query<InventoryPreviewClass>("select * from InventoryPreviewClass where  InventoryItemName like '%" + etSearchAlwaysOn.Text.ToUpper() + "%'");
   adapter.NotifyDataSetChanged();
}

mItems = db.Query<InventoryPreviewClass>("select * from InventoryPreviewClass where  InventoryItemName like '%" + etSearchAlwaysOn.Text.ToUpper() + "%'");
adapter = new adpInventoryPreview(mItems);
mRecyclerView.SetAdapter(adapter);

public void updateItems(final List<InventoryPreviewClass> newItems) {
   items.clear();
   items.addAll(newItems);
   notifyDataSetChanged();
}

updatedList = db.Query<InventoryPreviewClass>("select * from InventoryPreviewClass where CategoryID =" + CategoryID + "");

adapter.updateItems(updatedList);

mItems = db.Query<InventoryPreviewClass>("select * from InventoryPreviewClass where InventoryItemName like '%" + etSearchAlwaysOn.Text.ToUpper() + "%'");

adapter = new adpInventoryPreview(mItems);

mRecyclerView.SetAdapter(adapter);

adapter.notifyDataSetChanged();

private List<InventoryPreviewClass> mItems;
  .
  .
  .
  public void setItems(List<InventoryPreviewClass> items)
   {
    mItems=items;
   }

private void EtSearchAlwaysOn_TextChanged(object sender, 
 Android.Text.TextChangedEventArgs e)
 {      
 mItems = db.Query<InventoryPreviewClass>("select * from InventoryPreviewClass 
 where  InventoryItemName like '%" + etSearchAlwaysOn.Text.ToUpper() + "%'");
 adapter.setItems(mItems);
 adapter.NotifyDataSetChanged();
 }