Android Siege Lion Use submenu to create a submenu

To add a submenu to the Optionsmenu Options menu:

1  Public classMainactivityextendsActivity {2 3 @Override4     protected voidonCreate (Bundle savedinstancestate) {5         Super. OnCreate (savedinstancestate);6 Setcontentview (r.layout.fragment_main);7 8     }9 Ten @Override One      Public BooleanOncreateoptionsmenu (Menu menu) { A  -         //inflate the menu; This adds items to the action bar if it is present. -         //getmenuinflater (). Inflate (R.menu.main, menu); the  -         //XML File Loading -Menuinflater Inflater =Getmenuinflater (); - inflater.inflate (R.menu.main, menu); +  -         //Code Dynamic Add submenu +         //submenu file = Menu.addsubmenu ("files"); A         //submenu edit = Menu.addsubmenu ("edit"); at         // -         //File.add (1, 1, 1, "new"); -         //File.add (1, 2, 1, "open"); -         //File.add (1, 3, 1, "save"); -         //file.setheadertitle ("file operation");//Sub-menu title -         //File.setheadericon (r.drawable.ic_launcher);//Sub-menu icons in         // -         //Edit.add (2, 1, 1, "copy"); to         //Edit.add (2, 2, 1, "paste"); +         //Edit.add (2, 3, 1, "cut"); -         //file.setheadertitle ("edit operation"); the         //File.setheadericon (r.drawable.ic_launcher); *  $         return true;Panax Notoginseng     } -  the @Override +      Public Booleanonoptionsitemselected (MenuItem item) { A         //TODO auto-generated Method Stub the         //XML loading: +         Switch(Item.getitemid ()) { -          CaseR.id.new_file: $Toast.maketext (mainactivity. This, "Click New", 0). Show (); $  -              Break; -          CaseR.id.open_file: theToast.maketext (mainactivity. This, "Click to open", 0). Show (); - Wuyi              Break; the          CaseR.id.save_file: -Toast.maketext (mainactivity. This, "Click to save", 0). Show (); Wu  -              Break; About          CaseR.id.c_edit: $Toast.maketext (mainactivity. This, "Click to copy", 0). Show (); -  -              Break; -          CaseR.id.v_edit: AToast.maketext (mainactivity. This, "Click to paste", 0). Show (); +  the              Break; -          CaseR.id.x_edit: $Toast.maketext (mainactivity. This, "Click Cut", 0). Show (); the  the              Break; the         } the         //Code Load: -         //if (item.getgroupid () = = 1) { in         //switch (Item.getitemid ()) { the         //Case 1: the         //Toast.maketext (Mainactivity.this, "click New", 0). Show (); About         //Break ; the         // the         //Case 2: the         //Toast.maketext (Mainactivity.this, "Click to open", 0). Show (); +         //Break ; -         //Case 3: the         //Toast.maketext (Mainactivity.this, "Click to save", 0). Show ();Bayi         //Break ; the         // } the         // } -         // -         //if (item.getgroupid () = = 2) { the         //switch (Item.getitemid ()) { the         //Case 1: the         //Toast.maketext (Mainactivity.this, "Click to copy", 0). Show (); the         //Break ; -         // the         //Case 2: the         //Toast.maketext (Mainactivity.this, "Click to paste", 0). Show (); the         //Break ;94         //Case 3: the         //Toast.maketext (Mainactivity.this, "click Cut", 0). Show (); the         //Break ; the         //98         // } About         // } -         return Super. onoptionsitemselected (item);101     }102}

Android Siege Lion Use submenu to create a submenu