SearchView on ToolBar Android

Other than the Activity layout, the SearchView widget can also be implemented over ToolBar/ActionBar. Create the menu option and place a SearchView widget on it, to implement the SearchView over ToolBar.

Example of SearchView on ToolBar (ActionBar):

In the below example, we are demonstrating the SearchView over ToolBar and searching data in ListView.

activity_main.xml:

In the activity_main.xml file, we will add the ListView.

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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=".MainActivity">
 
    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="fill_parent"
        tools:ignore="MissingConstraints" />
 
</android.support.constraint.ConstraintLayout>

menu.xml:

We will place the code to place the SearchView widget over ToolBar, in the menu.xml file in the menu folder. To create the menu folder, right-click on the res folder, then click New, select Directory and name it as menu. The menu.xml file then needs to be created inside the menu folder.

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">
 
    <item
        android:id="@+id/app_bar_search"
 
        android:title="Search"
        app:showAsAction="ifRoom|withText"
        app:actionViewClass="android.widget.SearchView"/>
</menu>

Activity class:(File: MainActivity.java)

package com.example.radioapp;
 
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SearchView;
import android.widget.Toast;
 
import java.util.ArrayList;
 
public class MainActivity extends AppCompatActivity {
 
    ListView listView;
    ArrayList<String> list;
    ArrayAdapter<String > adapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        listView = (ListView) findViewById(R.id.listView);
 
        list = new ArrayList<>();
        list.add("A1");
        list.add("B2");
        list.add("C3");
        list.add("D4");
        list.add("E5");
        list.add("F6");
        list.add("G7");
        list.add("H8");
        list.add("I9");
        list.add("J10");
 
        adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,list);
        listView.setAdapter(adapter);
    }
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.menu, menu);
        MenuItem searchViewItem = menu.findItem(R.id.app_bar_search);
        final SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchViewItem);
        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String query) {
                searchView.clearFocus();
             /*   if(list.contains(query)){
                    adapter.getFilter().filter(query);
                }else{
                    Toast.makeText(MainActivity.this, "No Match found",Toast.LENGTH_LONG).show();
                }*/
                return false;
 
            }
 
            @Override
            public boolean onQueryTextChange(String newText) {
                adapter.getFilter().filter(newText);
                return false;
            }
        });
        return super.onCreateOptionsMenu(menu);
    }
}

Output 1:

Output 2:

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