MainActivity.java

package github.nisrulz.searchview;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.SearchView;

public class MainActivity extends AppCompatActivity {


    SearchView searchView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        searchView = (SearchView) findViewById(R.id.searchView);
        searchView.setQueryHint("Search View");

        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {

            @Override
            public boolean onQueryTextSubmit(String query) {
                System.out.println(query);
                return false;
            }

            @Override
            public boolean onQueryTextChange(String newText) {
                System.out.println(newText);
                return false;
            }
        });
    }
}