How to use onPrepareOptionMenu method in Android

In this android programming source code example, we are going to use onPrepareOptionMenu method in Android.

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 onPrepareOptionMenu method in Android.

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 MenuActivity5 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_menu5);
    }

    @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_menu, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onPrepareOptionsMenu(final Menu menu) {
        invalidateOptionsMenu();
        menu.findItem(R.id.action_blog).setVisible(false);
        return super.onPrepareOptionsMenu(menu);
    }

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

        return true;
    }
}

menu\option_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/action_home"
        android:title="@string/home"
        android:orderInCategory="100"
        app:showAsAction="never" />

    <item
        android:id="@+id/action_blog"
        android:title="@string/blog"
        android:orderInCategory="100"
        app:showAsAction="never" />

    <item
        android:id="@+id/action_App"
        android:title="@string/App"
        android:orderInCategory="100"
        app:showAsAction="never" />
</menu>

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