is Disabling Menu Button possible?

Question

I am trying to make a restricted android launcher for some people. The key features that I am trying is

• Giving Access to Selected App to be laucnched.
• Disable the button that allows to show user to show every app installed on the phone
• Disable physical button (menu) in order to restrict user to go in to "Settings" menu of Android.

If these features are possible, it would be great if you could link me any examples or explain how to do this.

Thank you.

Answer 1

@Override
public boolean onPrepareOptionsMenu (Menu menu) {
    return false;
}

Documentation says:

You must return true for the menu to be displayed; if you return false it will not be shown.

Answer 2

Override the onPrepareOptionsMenu

public boolean onPrepareOptionsMenu (Menu menu) {
   return false;
}