How to use the same option menu in all Activity in Android

In this android programming source code example, we are going to use the same option menu in all Activity 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 the same option menu in all Activity 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.MenuItem;


public class MenuActivity13 extends BaseActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_menu13);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
         super.onCreateOptionsMenu(menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        return super.onOptionsItemSelected(item);
    }


}

BaseActivity.java

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

import com.bluapp.androidview.R;

public class BaseActivity extends AppCompatActivity {

    @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 true;
    }

    @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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