How to disable/hide three-dot indicator(Option menu indicator) on ICS handsets

Question

How to disable/hide three-dot indicator(Option menu indicator) on ICS handsets which does\'t have menu button. ?

I am running application as

Answer 1

Copy paste this code in main.xml in menu folder you just need to make the item android:visible="false"

    <?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_settings"
        android:orderInCategory="100"
        android:visible="false"
        android:title="@string/action_settings"
        app:showAsAction="never" />
</menu>