Create Menu in ActionBar

Create a menu in the ActionBar. Can be in the main bar or under the menu icon.

Create 'main.xml' in 'menu' folder in 'res' if does not exist.
<?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_search" // Add an item tag for each item in the menu
        android:title="@string/search"
        android:orderInCategory="1" // Order item will show in menu list
        app:showAsAction="ifRoom" // "ifRoom" will display menu item in ActionBar if room
        />

</menu>
Override onCreateOptionsMenu in Activity Java file.
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
Override onOptionsItemSelectedin Activity Java file.
@Override
public boolean onOptionsItemSelected(MenuItem item) {
    int menuItem = item.getItemId();
    if (menuItem == R.id.action_search) { // Change 'action_search' to id of menu layout item
        Context context = MainActivity.this; // Change 'MainActivity' to current Activity
        CharSequence text = "Click handled"; // What happens when menu item is clicked
        int duration = Toast.LENGTH_SHORT; // What happens when menu item is clicked
        Toast toast = Toast.makeText(context, text, duration); // What happens when menu item is clicked
        toast.show(); // What happens when menu item is clicked
        return true;
    }
    return super.onOptionsItemSelected(item);
}

ud851-Exercises-student\Lesson02-GitHub-Repo-Search\T02.06-Exercise-AddPolish