The menu button for Android components

Create a new menu in your code today:

public boolean Oncreateoptionsmenu (Menu menu)

{
Menu.add (0, 1, 1, "item1");
Menu.add (0, 2, 2, "item2");
return Super.oncreateoptionsmenu (menu);
}

The result is not visible at run time, Showasaction is already set to "always"

Looked up some books, Starting with Android3.0, Android does not require a menu button on a mobile device, and some Android phones may no longer offer the menu button, in which case Android recommends using Actionbar instead of menus. On a phone that does not provide a menu button, the menu component The display in the upper right corner becomes the Actionbar component. And the phone that provides the menu button generally needs to click the "Home" key to the right of the popup menu window.

The menu button for Android components