Add menu in Android

Menu can be said in any Program Is indispensable, and Android is no exception. The menu creation process in Android is as follows:
Public static final int main = menu. first;
Public static final int dictionary = menu. First + 1;
Public static final int about = menu. First + 2;

/**
*
*/
@ Override
Public Boolean oncreateoptionsmenu (menu ){
Menu. Add (0, main, 0, this. getresources (). getstring (R. String. menuconverter ));
Menu. Add (0, Dictionary, 0, this. getresources (). getstring (R. String. menudictionary ));
Menu. Add (0, about, 1, this. getresources (). getstring (R. String. menuabout ));
Return super. oncreateoptionsmenu (menu );

}

@ Override
Public Boolean onoptionsitemselected (menuitem item ){
Switch (item. getitemid ()){
Case 0:
// Add the content to be processed
Return true;
Case dictionary:
// Add the content to be processed
Return true;
Case about:
// Add the content to be processed
Return true;
}
Return false;
}

If you want to display the icon in the menu, it is as follows:
Menu. Add (0, Dictionary, 0, R. String. menudictionary). seticon (this. getresources (). getdrawable (R. drawable. ic_menu_dictionary ));