{"product_id":"writing-game-center-apps-in-vandad-nahavandipoor-9781449305659","title":"Writing Game Center Apps in IOS: Bringing Your Players Into the Game","description":"\u003cp\u003eNow that Apple has introduced the GameKit framework to its iOS SDK, you can integrate Game Center features directly into your iPhone and iPad apps. This concise cookbook shows you how it's done, with 18 targeted recipes for adding leaderboards, user authentication, achievements, multiplayer games, and many other features. \u003c\/p\u003e\u003cp\u003eHow do you display players' scores and achievements? How do you create Game Center accounts and add friends? Each recipe in this book includes a simple code solution you can put to work immediately, along with a detailed discussion that offers insight into why and how the recipe works. \u003c\/p\u003e\u003cp\u003eRecipes include techniques to: \u003c\/p\u003e\u003cul\u003e \u003cli\u003eSet up Game Center for an iOS App \u003c\/li\u003e\n\u003cli\u003eUse block objects and Grand Central Dispatch to write Game Center apps \u003c\/li\u003e\n\u003cli\u003eAuthenticate a local player in Game Center \u003c\/li\u003e\n\u003cli\u003eUse iTunes Connect to create leaderboards and achievements \u003c\/li\u003e\n\u003cli\u003eRetrieve leaderboard and achievement information programmatically \u003c\/li\u003e\n\u003cli\u003eHandle players' state changes in multiplayer games \u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Vandad Nahavandipoor\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1449305652\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781449305659\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e O'Reilly Media\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 06\/14\/2011\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 76\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.30lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.80w x 0.30d","brand":"Vandad Nahavandipoor","offers":[{"title":"Paperback","offer_id":48136649670911,"sku":"9781449305659","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_ad7682c6-9cb5-40b1-b98f-efddabf0716e.jpg?v=1770163948","url":"https:\/\/www.whiterainbookhouse.com\/products\/writing-game-center-apps-in-vandad-nahavandipoor-9781449305659","provider":"WR Book House","version":"1.0","type":"link"}