如何使SearchView可以过滤Firebase数据库中的数据

Question

我尝试使用SearchView过滤Firebase数据库中的数据。当我在SearchView中填充文本时，不会过滤数据。代码有什么问题？我一直在寻找解决这个问题的方法，但我没有找到它。

MainActivity.java

public class MainActivity extends AppCompatActivity {

// Declare Variables
private ListView listView;
ArrayList<Data> dataList;
DatabaseReference databaseReference;
SearchView seachView;
private String temp;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    databaseReference = FirebaseDatabase.getInstance().getReference("Data");
    listView = (ListView) findViewById(R.id.list_view);
    dataList = new ArrayList<>();
    seachView = (SearchView) findViewById(R.id.search);

    final ArrayAdapter adapter = new ArrayAdapter(MainActivity.this,R.layout.list_item,dataList);
    listView.setAdapter(adapter);

    databaseReference.addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            for (DataSnapshot dataSnapshoot : dataSnapshot.getChildren()) {
                Data data = dataSnapshoot.getValue(Data.class);
                dataList.add(data);
            }
            adapter.notifyDataSetChanged();
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {

        }
    });
    seachView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
        @Override
        public boolean onQueryTextSubmit(String s) {
            return false;
        }

        @Override
        public boolean onQueryTextChange(String s) {
            adapter.getFilter().filter(s);
            return true;
        }
    });
}}

Datalist.java

public class DataList extends ArrayAdapter<Data> {

private Activity context;
private List<Data> dataList;

public DataList(Activity context,List<Data>dataList)
{
    super(context,R.layout.list_item,dataList);
    this.context = context;
    this.dataList = dataList;
}

@NonNull
@Override
public View getView(int position, View convertView, ViewGroup parent) {
    LayoutInflater inflater = context.getLayoutInflater();
    View listViewItem = inflater.inflate(R.layout.list_item,null,true);
    TextView textSite = (TextView) listViewItem.findViewById(R.id.siteName);
    Data data = dataList.get(position);
    textSite.setText(data.getDataSite());
    return listViewItem;
}}

Data.java

public class Data {
String dataPid;
String dataSite;
String dataSid;

public Data(){}

public Data(String dataPid,String dataSite,String dataSid)
{
    this.dataPid = dataPid;
    this.dataSite = dataSite;
    this.dataSid = dataSid;
}
public String getDataPid(){
    return dataPid;
}
public String getDataSite(){
    return dataSite;
}
public String getDataSid(){
    return dataSid;
}    @Override
public String toString() {
    return dataSite;
}}

希望有人能帮我解决这个问题