How to filter RecyclerView by multiple fields using Android studio java

Please help activate the button as required and write the full code

Mian layout

Mian java code

package com.example.luqya;

import android.annotation.SuppressLint;

import android.app.AlertDialog;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os$.$Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.WindowManager;

import android.widget.LinearLayout;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;

import androidx.appcompat.app.AppCompatActivity;

import androidx.appcompat.widget.SearchView;

import androidx.recyclerview.widget.GridLayoutManager;

import androidx.recyclerview.widget.LinearLayoutManager;

import androidx.recyclerview.widget.RecyclerView;

import com.google.firebase.auth.FirebaseAuth;

import com.google.firebase.auth.FirebaseUser;

import com.google.firebase.database.DataSnapshot;

import com.google.firebase.database.DatabaseError;

import com.google.firebase.database.DatabaseReference;

import com.google.firebase.database.FirebaseDatabase;

import com.google.firebase.database.ValueEventListener;

import java.util.ArrayList;

import java.util.List;

public class Events extends AppCompatActivity $\{$

private LinearLayout profile$\_$Btn$,$ home$\_$Btn$,$homeBtn$\_3$;

private FirebaseAuth authProfile;

List dataList;

DatabaseReference databaseReference;

ValueEventListener eventListener;

RecyclerView recyclerView;

public static int s$\_$id;

public SharedPreferences settings;

SearchView searchView;

MyAdapter adapter;

@SuppressLint$("$MissingInflatedId$")$

@Override

protected void onCreate$($@Nullable Bundle savedInstanceState$)\{$

super.onCreate$($savedInstanceState$)$;

setContentView$($R$.$layout.activity$\_$events$)$;

getWindow$().$setSoftInputMode$($WindowManager$.$LayoutParams.SOFT$\_$INPUT$\_$ADJUST$\_$PAN$)$;

profile$\_$Btn $=$ findViewById$($R$.$id$.$Profile$\_$Btn$)$;

home$\_$Btn $=$ findViewById$($R$.$id$.$Home$\_$Btn$)$;

homeBtn$\_3=$ findViewById$($R$.$id$.$homeBtn$\_3)$;

authProfile $=$ FirebaseAuth.getInstance$()$;

FirebaseUser firebaseUser $=$ authProfile.getCurrentUser$()$;

settings $=$ getSharedPreferences$("$ID$",0)$;

s$\_$id $=$ settings.getInt$("$id$",0)$;

searchView $=$findViewById$($R$.$id$.$editTextSearch$)$;

searchView.clearFocus$()$;

recyclerView $=$ findViewById$($R$.$id$.$recyclerView$)$;

GridLayoutManager gridLayoutManager $=$ new GridLayoutManager$($Events$.$this, $1)$;

recyclerView.setLayoutManager$($gridLayoutManager$)$;

RecyclerView.LayoutManager layoutManager $=$ new LinearLayoutManager$($Events$.$this, LinearLayoutManager.HORIZONTAL, false$)$;

recyclerView.setLayoutManager$($layoutManager$)$;

AlertDialog.Builder builder $=$ new AlertDialog.Builder$($Events$.$this$)$;

builder.setCancelable$($false$)$;

builder.setView$($R$.$layout.progress$\_$layout$)$;

AlertDialog dialog $=$ builder.create$()$;

dialog.show$()$;

dataList $=$ new ArrayList$<>()$;

adapter $=$ new MyAdapter$($Events$.$this, dataList$)$;

recyclerView.setAdapter$($adapter$)$;

databaseReference $=$ FirebaseDatabase.getInstance$().$getReference$("$Add Event"$)$;

dialog.show$()$;

eventListener $=$ databaseReference.addValueEventListener$($new ValueEventListener$()\{$

@Override

public void onDataChange$($@NonNull DataSnapshot snapshot$)\{$

dataList.clear$()$;

for $($DataSnapshot itemSnapshot : snapshot.getChildren$())\{$

DataClass dataClass $=$ itemSnapshot.getValue$($DataClass$.$class$)$;

dataList.add$($dataClass$)$;

$\}$

adapter.notifyDataSetChanged$()$;

dialog.dismiss$()$;

$\}$

@Override

public void onCancelled$($@NonNull DatabaseError error$)\{$

dialog.dismiss$()$;

$\}$

$\})$;

searchView.setOnQueryTextListener$($new SearchView.OnQueryTextListener$()\{$

@Override

public boolean onQueryTextSubmit$($String query$)\{$

return false;

$\}$

@Override

public boolean onQueryTextChange$($String newText$)\{$

searchList$($newText$)$;

return true;

$\}$

$\})$;

profile$\_$Btn$.$setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View view$)\{$

if $($firebaseUser $==$ null$)\{$

Intent i $=$ new Intent$($Events$.$this, LogIn.class$)$;

startActivity$($i$)$;

$\}$ else $\{$

Intent i $=$ new Intent$($Events$.$this, ShowSeekerProfile.class$)$;

startActivity$($i$)$;

$\}$

$\}$

$\})$;

home$\_$Btn$.$setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View view$)\{$

Intent i $=$ new Intent$($Events$.$this, Events.class$)$;

startActivity$($i$)$;

$\}$

$\})$;

homeBtn$\_3.$setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View view$)\{$

Intent i $=$ new Intent$($Events$.$this, MyEvent$\_$bar.class$)$;

startActivity$($i$)$;

$\}$

$\})$;

$\}$

@Override

public boolean onCreateOptionsMenu$($Menu menu$)\{$

$//$ Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater$().$inflate$($R$.$menu.menu$\_$profile$\_$seeker, menu$)$;

return true;

$\}$

@Override

public boolean onOptionsItemSelected$($@NonNull MenuItem item$)\{$

int id $=$ item.getItemId$()$;

if $($id $==$ R$.$id$.$action$\_$edit$\_$profile$)\{$

Intent go$\_$edit$\_$profile $=$ new Intent$($getApplicationContext$(),$ EditSeekerProfile.class$)$;

go$\_$edit$\_$profile.putExtra$("$std$\_$id$",""+$s$\_$id$)$;

startActivity$($go$\_$edit$\_$profile$)$;

$\}$else if $($id $==$ R$.$id$.$action$\_$log$\_$out$)\{$

getSharedPreferences$("$ID$",0).$edit$().$clear$().$commit$()$;

Intent go$\_$login $=$ new Intent$($getApplicationContext$(),$LogIn.class$)$;

startActivity$($go$\_$login$)$;

$\}$

return super.onOptionsItemSelected$($item$)$;

$\}$

public void searchList$($String text$)\{$

ArrayList searchList $=$ new ArrayList$<>()$;

for $($DataClass dataClass: dataList$)\{$

if $($dataClass$.$getName$().$toLowerCase$().$contains$($text$.$toLowerCase$()))\{$

searchList.add$($dataClass$)$;

$\}$

$\}$

adapter.searchDataList$($searchList$)$;

$\}$

@Override

protected void onResume$()\{$

super.onResume$()$;

searchView.clearFocus$()$;$//$ Clear focus from the SearchView

$//$ Optionally request focus on a different view:

$//$ anotherView.requestFocus$()$;

$\}$

$\}$

Filter layout