当我更新片段中的recyclerview列表时，节标题不会显示。我该怎么办？我已经检查了recyclerview适配器，它工作正常，问题可能出在片段中。可能是片段不知道片段更新时放在哪里。
有人可以帮我吗
这是我的片段代码
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
setRetainInstance(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
mRootView = inflater.inflate(R.layout.fragment_leads, container, false);
ButterKnife.bind(this, mRootView);
GlowShipApplication.getAppComponent().inject(this);
mLeadListPresenter.setView(this);
mSysPrefs = SystemAppPreferences.getInstance(getActivity());
mProgressBarHandler = new ProgressBarHandler(getActivity());
if (getArguments() != null) {
mData = getArguments().getString("fragmentName");
}
return mRootView;
}
@Override
public void onResume() {
super.onResume();
String token = mSysPrefs.getToken();
if (ConnectionInfo.isConnectingToInternet(getActivity())) {
// api call
mLeadListPresenter.fetchLeadList(token);
mAdapter.notifyDataSetChanged();
// mProgressBarHandler.show();
rvLeads.setVisibility(View.GONE);
} else {
Toast.makeText(getActivity(), getResources()
.getString(R.string.no_internet_connection),
Toast.LENGTH_SHORT).show();
}
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
initComponent();
}
private void initComponent() {
rvLeads.setLayoutManager(new LinearLayoutManager(getActivity()));
rvLeads.setHasFixedSize(true);
mLeadList = new ArrayList<>();
//set data and list adapter
mAdapter = new AdapterLeads(getActivity(), mLeadList);
rvLeads.setAdapter(mAdapter);
mAdapter.notifyDataSetChanged();
mAdapter.setOnItemClickListener(new AdapterLeads.OnItemClickListener() {
@Override
public void onItemClick(View view, Data obj, int position) {
mProgressBarHandler.hide();
// need to move site survey detail
if (position > -1) {
Intent intent = new Intent(getActivity(), SiteSurveyStatusActivity.class);
intent.putExtra("homeOwnerID", mAdapter.getList().get(position)
.getData().getHomeownerId());
intent.putExtra("dealer_status_code",mAdapter.getList().get(position)
.getData().getDealerStatusCode());
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
}
});
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
getActivity().getMenuInflater().inflate(R.menu.search_view_menu, menu);
MenuItem item = menu.findItem(R.id.action_search);
SearchView searchView = (SearchView) item.getActionView();
searchView.setOnQueryTextListener(this);
searchView.setOnCloseListener(new SearchView.OnCloseListener() {
@Override
public boolean onClose() {
startActivity(getActivity().getIntent());
return false;
}
});
}
@OnClick(R.id.fab)
public void createLead(View view) {
Intent intent = new Intent(getActivity(), LeadActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
@Override
public void onSuccessFetchLeadList(LeadList leadList) {
mProgressBarHandler.hide();
if (leadList != null) {
rvLeads.setVisibility(View.VISIBLE);
noRecordFoundImage.setVisibility(View.INVISIBLE);
mLeadList.clear();
if (mData != null) {
if (mData.contains("proposals")) {
View view = rvLeads.getChildAt(0);
Log.d(TAG, "onSuccessFetchLeadList: " + view);
ArrayList<Datum> filterdNames = new ArrayList<>();
//looping through existing elements
for (Datum s : leadList.getData()) {
//if the existing elements contains the search input
if (!s.getIstitle())
if (s.getData().getStatusId().contains("P3") ||
s.getData().getStatusId().contains("P4") ||
s.getData().getStatusId().contains("P5") ||
s.getData().getStatusId().contains("P6") ||
s.getData().getStatusId().contains("P7") ||
s.getData().getStatusId().contains("P8")) {
//adding the element to filtered list
filterdNames.add(s);
mLeadList.addAll(filterdNames);
Set<Datum> setList = new LinkedHashSet<>(mLeadList);
mLeadList.clear();
mLeadList.addAll(setList);
}
}
} else if (mData.contains("installations")) {
//to be continued latter
ArrayList<Datum> filterdNames = new ArrayList<>();
//looping through existing elements
for (Datum s : leadList.getData()) {
//if the existing elements contains the search input
if (!s.getIstitle())
if (s.getData().getStatusId().contains("S11")) {
//adding the element to filtered list
filterdNames.add(s);
mLeadList.addAll(filterdNames);
Set<Datum> setList = new LinkedHashSet<>(mLeadList);
mLeadList.clear();
mLeadList.addAll(setList);
} else {
noRecordFoundImage.setVisibility(View.VISIBLE);
}
}
} else if (mData.contains("leads")) {
mLeadList.addAll(leadList.getData());
}
} else {
mLeadList.addAll(leadList.getData());
}
mAdapter.notifyDataSetChanged();
}
}
@Override
public void onError(LeadList leadList) {
mProgressBarHandler.hide();
}
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
List<Datum> filter = filter(mLeadList, newText);
mAdapter.filteredList(filter);
return false;
}
//Helper method to filter out the leads list
private List<Datum> filter(List<Datum> mLeadList, String newText) {
//new array list that will hold the filtered data
ArrayList<Datum> filterdNames = new ArrayList<>();
//looping through existing elements
for (Datum s : mLeadList) {
//if the existing elements contains the search input
if (!s.getIstitle())
if (s.getData().getName().contains(newText)) {
//adding the element to filtered list
filterdNames.add(s);
}
}
//calling a method of the adapter class and passing the filtered list
mAdapter.filteredList(filterdNames);
return filterdNames;
}
这是我的xml文件：
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="in.thelattice.glowship.dealer.leadslist.LeadsFragment">
<android.support.v7.widget.RecyclerView
android:id="@+id/rv_leadlist"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical"
android:scrollingCache="false" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:src="@drawable/nodata"
android:id="@+id/noRecordFoundIv"
/>
<android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="@dimen/fab_margin"
android:backgroundTint="@color/appYellowColor"
app:borderWidth="0dp"
app:srcCompat="@drawable/ic_add_black_24dp" />