I have worked for search about how to search in FireBase by value and I couldn't have a fully answer so I am asking now
I have used this method and I couldn't get the correct result:
public class Search extends Fragment {
public Search() {
// Required empty public constructor
}
private SearchView mSearch;
private RecyclerView rvSearch;
private DatabaseReference mRef;
private SearchPlaceAdapter mAdapter;
ArrayList<Place> arrayList;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_search, container, false);
//Recylerview of place
rvSearch = (RecyclerView) view.findViewById(R.id.rvSearch);
rvSearch.setHasFixedSize(true);
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getActivity());
//final LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
//layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
rvSearch.setLayoutManager(layoutManager);
mRef = FirebaseDatabase.getInstance().getReference();
mRef.child("Place").addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
arrayList = new ArrayList<>();
for (DataSnapshot eventSnapshot : dataSnapshot.getChildren()) {
arrayList.add(eventSnapshot.getValue(Place.class));
}
mAdapter = new SearchPlaceAdapter(getContext(), arrayList);
rvSearch.setAdapter(mAdapter);
mAdapter.notifyDataSetChanged();
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
//searchView of place
mSearch = (SearchView) view.findViewById(R.id.mSearch);
mSearch.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
@Override
public boolean onQueryTextSubmit(String query) {
return false;
}
@Override
public boolean onQueryTextChange(String newText) {
if(mAdapter!=null){
mAdapter.getFilter().filter(newText);
}
return false;
}
});
return view;
}
}
Adapter Code ......................................................
public class SearchPlaceAdapter extends RecyclerView.Adapter<SearchPlaceAdapter.SearchPlaceAdapterViewHolder> implements Filterable {
Context mCntx;
public ArrayList<Place> arrayList;
public ArrayList<Place> arrayListFiltered;
public SearchPlaceAdapter(Context mCntx, ArrayList<Place> arrayList)
{
this.mCntx = mCntx;
this.arrayList = arrayList;
arrayListFiltered = arrayList;
/*arrayListFiltered = new ArrayList<>(arrayList);*/
}
@Override
public int getItemCount()
{
return arrayList.size();
}
public long getItemId(int position)
{
return position;
}
@Override
public SearchPlaceAdapterViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
{
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.search_layout, parent, false);
SearchPlaceAdapterViewHolder viewHolder = new SearchPlaceAdapterViewHolder(view);
return viewHolder;
}
@Override
public void onBindViewHolder(SearchPlaceAdapterViewHolder holder, final int position)
{
final Place place = arrayList.get(position);
holder.txtPlace.setText(arrayList.get(position).getBuilding());
Picasso.with(mCntx).load(place.getPlaceImg()).into(holder.image);//using picasso to load image
holder.cardPlace.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view) {
Intent intent = new Intent(mCntx, CardviewSearch.class);
intent.putExtra("placeId", String.valueOf(place.getPlaceId()));
intent.putExtra("building", String.valueOf(place.getBuilding()));
intent.putExtra("street", String.valueOf(place.getStreet()));
intent.putExtra("imgurl", String.valueOf(place.getPlaceImg()));
mCntx.startActivity(intent);
}
});
}
public class SearchPlaceAdapterViewHolder extends RecyclerView.ViewHolder
{
TextView txtPlace;
ImageView image;
CardView cardPlace;
public SearchPlaceAdapterViewHolder(View itemView) {
super(itemView);
txtPlace = (TextView) itemView.findViewById(R.id.txtPlace);
image = (ImageView) itemView.findViewById(R.id.image);
cardPlace = (CardView) itemView.findViewById(R.id.cardPlace);
}
}
public Filter getFilter()
{
return exampleFilter;
}
private Filter exampleFilter = new Filter() {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
List<Place> filteredList = new ArrayList<>();
if (constraint == null || constraint.length() == 0) {
filteredList.addAll(arrayListFull);
} else {
String filterPattern = constraint.toString().toLowerCase().trim();
for (Place item : arrayListFull) {
if (item.getBuilding().toLowerCase().contains(filterPattern)) {
filteredList.add(item);
}
}
}
FilterResults results = new FilterResults();
results.values = filteredList;
return results;
}
@Override
protected void publishResults(CharSequence charSequence, FilterResults results) {
arrayList.clear();
arrayList.addAll((List)results.values);
notifyDataSetChanged();
}
};
}
It only search by front keyword not the whole thing filtered. How to use contains?
I wanted the values to be searched with every possible values not only by front values. Please I need help.
