Android学习记录（五) 记录一下最近遇到的坑：android actionbar menu菜单无显示。

这里搬运一下：

http://stackoverflow.com/questions/18010072/menu-items-are-not-showing-on-action-bar

8down vote

I think you want to show the overflow menu icon on the top right always and want your menu to open from there. Try something like following to force it there:

Inside your onCreate() do:

  try {        ViewConfiguration config = ViewConfiguration.get(this);        Field menuKeyField = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");        if(menuKeyField != null) {            menuKeyField.setAccessible(true);            menuKeyField.setBoolean(config, false);        }    } catch (Exception ex) {        // Ignore    }

建议整篇读一下，非常不错～