{"id":4792,"date":"2013-04-09T17:23:50","date_gmt":"2013-04-09T16:23:50","guid":{"rendered":"http:\/\/www.iprog.it\/blog\/?p=4792"},"modified":"2013-04-09T17:23:50","modified_gmt":"2013-04-09T16:23:50","slug":"creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati","status":"publish","type":"post","link":"https:\/\/www.iprog.it\/blog\/objective-c-ios\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\/","title":{"rendered":"Creare ed usare UIMenuController e UIMenuItem personalizzati"},"content":{"rendered":"

In questo articolo parleremo di\u00a0UIMenuController\u00a0<\/strong>che praticamente sono i menu che appaiono quando selezioniamo una parola o una lettera in un campo di testo, questa azione e di default. Volendo pero lo possiamo usare per far apparire il menu anche tramite un bottone o altri oggetti. Dobbiamo solo caricare l’UIMenuController\u00a0<\/strong>che \u00e8 una classe Singleton\u00a0<\/em>e poi aggiungergli dei UIMenuItem.\u00a0<\/strong>Per capire bene creiamo un progetto nuovo come abbiamo fatto nei precedenti tutorial:<\/p>\n

Dobbiamo avere un risultato di questo tipo:<\/p>\n

\"Schermata<\/a><\/p>\n

Nello storyboard inseriamo un bottone e nel file del implementazione o del interfaccia creiamo un metodo IBAction<\/em>. \u00a0Nel file del implementazione nel metodo inseriamo questo codice:<\/p>\n

[code lang=”obj-c”]<\/p>\n

\/\/deve essere il primo risponditore
\n\t[self becomeFirstResponder];<\/p>\n

\t\/\/Inizializzare la classe UIMenuController che \u00e8 un singleton
\n\tUIMenuController *sharedController = [UIMenuController sharedMenuController];<\/p>\n

\t\/\/Creare i MenuItems
\n\tUIMenuItem *menuItem1 = [[UIMenuItem alloc] initWithTitle:@"stato" action:@selector(showWowAlert)];
\n\tUIMenuItem *menuItem2 = [[UIMenuItem alloc] initWithTitle:@"nome" action:@selector(showPoweredAlert)];
\n\tUIMenuItem *menuItem3 = [[UIMenuItem alloc] initWithTitle:@"numero" action:@selector(log)];<\/p>\n

\t\/\/disegnare il MenuController nella posizione giusta
\n\tCGRect drawRect = [sender convertRect:[sender bounds] toView:self.view];
\n\t[sharedController setTargetRect:drawRect inView:self.view];
\n\tsharedController.arrowDirection = UIMenuControllerArrowDefault;<\/p>\n

\t\/\/Inserire i menuItems nel menuController
\n\t[sharedController setMenuItems:@[menuItem1,menuItem2,menuItem3]];<\/p>\n

\t[sharedController setMenuVisible:YES animated:YES];<\/p>\n

\t\/\/Disabilitare il menu item nel futuro
\n\t[sharedController setMenuItems:nil];<\/p>\n

[\/code]<\/p>\n

Tramite i commenti potete capire i metodi del MenuController. Adesso inseriamo anche i metodi che faremo partire quando i MenuItem vengono premuti:<\/p>\n

[code lang=”obj-c”]
\n-(void)showWowAlert
\n{
\n\tUIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"ciao" message:@"vedi che funziona !!!" delegate:nil cancelButtonTitle:@"ok" otherButtonTitles:nil];
\n\t[alert show];
\n}<\/p>\n

-(void)showPoweredAlert
\n{
\n\tUIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Aldo" message:@"Questo \u00e8 il mio nome" delegate:nil cancelButtonTitle:@"ok" otherButtonTitles:nil];
\n\t[alert show];
\n}<\/p>\n

-(void)log
\n{
\n NSLog(@"stampare qualcosa nel console");
\n}<\/p>\n

[\/code]<\/p>\n

Abbiamo creato dei UIAlertView\u00a0<\/strong>solo per capire quando i bottoni sono attivi. Il file del progetto lo pottete scaricare qui:<\/p>\n

\"download<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

In questo articolo parleremo di\u00a0UIMenuController\u00a0che praticamente sono i menu che appaiono quando selezioniamo una parola o una lettera in un campo di testo, questa azione e di default. Volendo pero lo possiamo usare per far apparire il menu anche tramite un bottone o altri oggetti. Dobbiamo solo caricare l’UIMenuController\u00a0che \u00e8… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":4794,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[2070,2071,2068,2069],"class_list":["post-4792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-objective-c-ios","tag-singleton","tag-uialertview","tag-uimenucontroller","tag-uimenuitem"],"yoast_head":"\nCreare ed usare UIMenuController e UIMenuItem personalizzati - iProg<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iprog.it\/blog\/objective-c-ios\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Creare ed usare UIMenuController e UIMenuItem personalizzati - iProg\" \/>\n<meta name=\"twitter:description\" content=\"In questo articolo parleremo di\u00a0UIMenuController\u00a0che praticamente sono i menu che appaiono quando selezioniamo una parola o una lettera in un campo di testo, questa azione e di default. Volendo pero lo possiamo usare per far apparire il menu anche tramite un bottone o altri oggetti. Dobbiamo solo caricare l’UIMenuController\u00a0che \u00e8... Read more »\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.iprog.it\/blog\/wp-content\/uploads\/2013\/04\/Schermata-04-2456392-alle-16.15.18.png\" \/>\n<meta name=\"twitter:creator\" content=\"@flexkid1\" \/>\n<meta name=\"twitter:site\" content=\"@iprogblog\" \/>\n<meta name=\"twitter:label1\" content=\"Scritto da\" \/>\n\t<meta name=\"twitter:data1\" content=\"Diego\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/\"},\"author\":{\"name\":\"Diego\",\"@id\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/#\\\/schema\\\/person\\\/048c8acb70f8a33f1498675ab9db41a3\"},\"headline\":\"Creare ed usare UIMenuController e UIMenuItem personalizzati\",\"datePublished\":\"2013-04-09T16:23:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/\"},\"wordCount\":331,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/wp-content\\\/uploads\\\/2013\\\/04\\\/Schermata-04-2456392-alle-16.15.18.png\",\"keywords\":[\"Singleton\",\"UIAlertView\",\"UIMenuController\",\"UIMenuItem\"],\"articleSection\":[\"Objective-C iOS\"],\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/\",\"url\":\"https:\\\/\\\/www.iprog.it\\\/blog\\\/objective-c-ios\\\/creare-ed-usare-uimenucontroller-e-uimenuitem-personalizzati\\\/\",\"name\":\"Creare ed usare UIMenuController e UIMenuItem personalizzati - 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