submenu

问题 Hi I designed a custom toolbar to replace the action bar with a popup menu, using the hints from how to save menuitem visibility state through sharedpreferences? and Checkbox item state on menu android and http://developer.android.com/guide/topics/ui/menus.html#checkable The most effective way is to store the state in shared preferences as in the stackoverflow answers. My question is: How do I keep the checked option selected even after restarting my android? 回答1: One way is to call the

问题 I want to add a submenu inside my OptionsMenu to a menuItem, programatically according to my parameters. I\'ve checked \"MenuItem\" in android sdk and there is no addSubMenu() method!, although you can find \"hasSubMenu()\" and \"getSubMenu\". Was thinking on doing this in onCreateOptionsMenu: public boolean onCreateOptionsMenu(Menu menu) { MenuItem mi = menu.getItem(MYITEMID); // << this is defined in my XML optionsMenu SubMenu subm = mi.addSubMenu(0,1,0,\"Map 1\"); // no addSubMenu() method

问题 Bootstrap 3 is still at RC, but I was just trying to implement it. I couldn\'t figure out how to put a sub menu class. Even there is no class in css and even the new docs don\'t say anything about it It was there in 2.x with class name as dropdown-submenu 回答1: Updated 2018 The dropdown-submenu has been removed in Bootstrap 3 RC. In the words of Bootstrap author Mark Otto.. "Submenus just don't have much of a place on the web right now, especially the mobile web. They will be removed with 3.0"