我正在尋找解決方案來解決無法重新設置我的RecyclerView適配器的問題。 通過this回答我已經做了,但沒有工作我做錯了什麼。 這是我設置recyclerView適配器的代碼。RecyclerView notifyDatasetChanged在匿名類方法中notifyDatasetchanged時不起作用
public class OrderedFoodsFragment extends Fragment
{
private NewInvoice invoice;
private List<InvoiceItem> items= new ArrayList<>();
private OrderedAdapter adapter;
public OrderedFoodsFragment(NewInvoice invoice)
{
this.invoice = invoice;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
View view = inflater.inflate(R.layout.fragment_ordered_foods, container, false);
initializeComponents(view);
return view;
}
private void initializeComponents(View view)
{
RecyclerView rvOrderedFoods = (RecyclerView) view.findViewById(R.id.rvOrderedFoods);
adapter= new OrderedAdapter(getActivity(), items,R.layout.ordered_layout);
rvOrderedFoods.setAdapter(adapter);
setInvoiceItems();
}
private void setInvoiceItems()
{
IInvoiceApi api= ApiClient.getClientWithAuthorization(App.getContext()).create(IInvoiceApi.class);
Call<List<InvoiceItem>> call= api.getInvoiceItems(invoice.getId());
call.enqueue(new Callback<List<InvoiceItem>>()
{
@Override
public void onResponse(@NonNull Call<List<InvoiceItem>> call, @NonNull Response<List<InvoiceItem>> response)
{
if (response.isSuccessful())
{
//My comment code
//items=response.body();
//adapter= new OrderedAdapter(getActivity(), items,R.layout.ordered_layout);
//noinspection ConstantConditions
items.clear();
//noinspection ConstantConditions
items.addAll(response.body());
adapter.notifyDataSetChanged();
Log.i("InvoiceData", adapter.getItemAtPosition(0).getName());
}
else if (response.code() == 401)
{
new AlertDialog.Builder(getActivity()).setTitle("Session Expire").setMessage("សិទ្ធក្នុងការប្រើកម្មវិធីអស់ពេល").show();
App.promptUnauthorized(getActivity());
}
else
{
items= new ArrayList<>();
}
}
@Override
public void onFailure(@NonNull Call<List<InvoiceItem>> call, @NonNull Throwable t)
{
call.cancel();
}
});
}
}
我使用的是retrofit 2.0來請求我的數據。 而response.body()有我的數據。但是recyclerview沒有顯示數據。 但是,如果我將onRespose方法中的適配器重新設置爲response.body()作爲我在此方法中的評論代碼,它的工作原理,但我不想它。任何解決方案幫助我。
看,你直接把response.body()作爲一個對象放到適配器中,所以它是如何顯示的!取而代之的是,檢查你的JSON響應,從響應中獲取InVoiceItem列表,然後應用到適配器 – MrCurious
我的json返回我的正確數據,並獲取我的正確對象。 –
可以請您發佈您的POJO課程 – MrCurious