Capture menu button click events in Android

@ Override
Public Boolean oncreateoptionsmenu (menu ){
/*
* The four parameters of the add () method are: 1. group. If no group is set, set menu. None,
* 2. Id. Android determines different menus Based on the ID. 3. The order of the menus is determined by the size of this parameter.
* 4. Text: display text of menus
*/
Menu. Add (menu. None, menu. First + 1, 5, "delete"). seticon (Android. R. drawable. ic_menu_delete );
// The seticon () method sets the menu icon. the built-in icons are used here.
// Resources starting with Android. R are provided by the system. The resources we provide ourselves start with R.
Menu. Add (menu. None, menu. First + 2, 2, "save"). seticon (Android. R. drawable. ic_menu_edit );
Menu. Add (menu. None, menu. First + 3, 6, "help"). seticon (Android. R. drawable. ic_menu_help );
Menu. Add (menu. None, menu. First + 4, 1, "add"). seticon (Android. R. drawable. ic_menu_add );
Menu. Add (menu. None, menu. First + 5, 4, "Detailed"). seticon (Android. R. drawable. ic_menu_info_details );
Menu. Add (menu. None, menu. First + 6, 3, "send"). seticon (Android. R. drawable. ic_menu_send );
// Return true
Return true;

}

// Menu item selected event
@ Override
Public Boolean onoptionsitemselected (menuitem item ){
Switch (item. getitemid () {freight transport expert
Case menu. First + 1:
Toast. maketext (this, "the delete menu has been clicked", Toast. length_long). Show ();
Break;
Case menu. First + 2:
Toast. maketext (this, "saved menu clicked", Toast. length_long). Show ();
Break;
Case menu. First + 3:
Toast. maketext (this, "the Help menu has been clicked", Toast. length_long). Show ();
Break;
Case menu. First + 4:
Toast. maketext (this, "added menu clicked", Toast. length_long). Show ();
Break;
Case menu. First + 5:
Toast. maketext (this, "the details menu has been clicked", Toast. length_long). Show ();
Break;
Case menu. First + 6:
Toast. maketext (this, "the sending menu has been clicked", Toast. length_long). Show ();
Break;
}

Return false;
}

// The option menu is disabled. In three cases, the menu button is clicked again, the back button is clicked, or a menu item is selected.
@ Override
Public void onoptionsmenuclosed (menu ){
Toast. maketext (this, "option menu disabled", Toast. length_long). Show ();
}

// Events before the menu is displayed
@ Override
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Public Boolean onprepareoptionsmenu (menu ){
Toast. maketext (this, "The onprepareoptionsmenu method will be called before the option menu is displayed. You can use this method to adjust the menu according to the current situation.", toast. length_long ). show ();
// If false is returned, the oncreateoptionsmenu method will not be called.
Return true;
}