How to use ActionViewClass in Android Option Menu

In this android programming source code example, we are going to use ActionViewClass in Android Option Menu.

You can copy and adopt this source code example to your android project without reinventing the wheel.

Below is a step by step source code to use ActionViewClass in Android Option Menu.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ededed">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:text="Option Menu"
        android:gravity="center"
        android:textSize="20sp"/>

</RelativeLayout>

MainActivity.java

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;


public class MenuActivity16 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_menu16);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        MenuInflater inflater = getMenuInflater();inflater.inflate(R.menu.option_menu12, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        super.onOptionsItemSelected(item);
        switch(item.getItemId()){
            case R.id.menu_searchview:
                //
                return true;
        }
        return true;
    }
}

menu\option_menu12.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/menu_searchview"
        android:title="@string/searchname"
        android:iconifiedByDefault="true"
        android:icon="@android:drawable/ic_menu_search"
        app:actionViewClass="android.support.v7.widget.SearchView"
        app:showAsAction="ifRoom|collapseActionView"/>

</menu>

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