{"id":4922,"date":"2016-06-26T09:32:12","date_gmt":"2016-06-26T09:32:12","guid":{"rendered":"http:\/\/bestkora.com\/IosDeveloper\/?p=4922"},"modified":"2018-02-24T12:28:27","modified_gmt":"2018-02-24T12:28:27","slug":"lektsiya-7-cs193p-spring-2016-closures-extensions-protocols-delegation-i-scrollview","status":"publish","type":"post","link":"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-7-cs193p-spring-2016-closures-extensions-protocols-delegation-i-scrollview\/","title":{"rendered":"\u041b\u0435\u043a\u0446\u0438\u044f 7 CS193P Spring 2016 &#8212; Closures, Extensions, Protocols, Delegation \u0438 ScrollView"},"content":{"rendered":"<p>\u0412 \u041b\u0435\u043a\u0446\u0438\u0438 7 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u044f\u0434 \u0432\u0430\u0436\u043d\u044b\u0445 \u0442\u0435\u043c :<\/p>\n<ul>\n<li><b>\u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0441\u0441\u044b\u043b\u043e\u0447\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432<\/b><\/li>\n<li><b>\u0417\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f \u0438 \u0417\u0430\u0445\u0432\u0430\u0442 \u0432 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0438<\/b><\/li>\n<li><b>\u0420\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f<\/b><\/li>\n<li><b>\u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b<\/b><\/li>\n<li><b>\u0414\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/b><\/li>\n<li><b>Scroll View<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u041a\u043b\u0430\u0441\u0441\u044b, \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f, \u0444\u0443\u043d\u043a\u0446\u0438\u0438 &#8212; \u044d\u0442\u043e \u0441\u0441\u044b\u043b\u043e\u0447\u043d\u044b\u0435 \u0442\u0438\u043f\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u201c\u0436\u0438\u0432\u0443\u0442\u201d \u0432 \u201c\u043a\u0443\u0447\u0435\u201d (<\/span><b>heap<\/b><span style=\"font-weight: 400;\">). \u0418 \u044d\u0442\u0430 \u043f\u0430\u043c\u044f\u0442\u044c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f iOS \u0432\u043c\u0435\u0441\u0442\u043e \u0432\u0430\u0441. \u0422\u0430\u043a\u043e\u0439 \u0440\u0435\u0436\u0438\u043c \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u201c\u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u043e\u0434\u0441\u0447\u0435\u0442 \u0441\u0441\u044b\u043b\u043e\u043a\u201d (automatic reference counting) <\/span><b>ARC<\/b><span style=\"font-weight: 400;\">, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441\u0445\u0435\u043c\u0430 \u043f\u043e\u0434\u0441\u0447\u0435\u0442\u0430 \u0441\u0441\u044b\u043b\u043e\u043a, \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u044e\u0449\u0430\u044f \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439 \u043e\u0431\u044a\u0435\u043a\u0442\u044b, \u0438 \u043a\u043e\u0433\u0434\u0430 \u043e\u043d\u043e \u0440\u0430\u0432\u043d\u043e 0, \u043f\u0430\u043c\u044f\u0442\u044c \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u0430 \u043d\u0435\u043c\u0435\u0434\u043b\u0435\u043d\u043d\u043e \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0430\u0435\u0442\u0441\u044f. \u042d\u0442\u043e \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0442 \u201c\u0441\u0431\u043e\u0440\u0449\u0438\u043a\u0430 \u043c\u0443\u0441\u043e\u0440\u0430\u201d, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u043e\u0431\u0435\u0433\u0430\u0435\u0442 \u043f\u043e \u201c\u043a\u0443\u0447\u0435\u201d, \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u0430\u0439\u0442\u0438 \u0442\u043e, \u043d\u0430 \u0447\u0442\u043e \u043d\u0438\u043a\u0442\u043e \u043d\u0435 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u043c\u0435\u0442\u0438\u0442 \u044d\u0442\u043e, \u0430 \u043f\u043e\u0442\u043e\u043c \u0432\u0441\u0435 \u201c\u0432\u044b\u043c\u0435\u0442\u0430\u0435\u0442\u201d. \u042d\u0442\u043e \u0441\u043a\u0430\u0447\u043a\u043e\u043e\u0431\u0440\u0430\u0437\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0438 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043d\u0435\u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u044b\u0439, \u0432 \u0442\u043e \u0432\u0440\u0435\u043c\u044f \u043a\u0430\u043a \u00a0<\/span><b>ARC<\/b><span style=\"font-weight: 400;\"> \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0438 \u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c.<\/span><\/p>\n<p><!--more--><\/p>\n<p><span style=\"font-weight: 400;\">\u041f\u0440\u0438 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u0435 \u043c\u044b \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0435 \u0434\u0443\u043c\u0430\u0435\u043c \u043e\u0431 <\/span><b>ARC.<\/b><span style=\"font-weight: 400;\">\u00a0\u041d\u043e \u0435\u0441\u0442\u044c \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438, \u043a\u043e\u0433\u0434\u0430 \u0431\u044b\u0432\u0430\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u043e\u0432\u043b\u0438\u044f\u0442\u044c \u043d\u0430 \u0435\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u0443. \u042d\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c<\/span><span style=\"font-weight: 400;\">\u00a0\u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e 3-\u0445 \u0432\u0435\u0449\u0435\u0439: <\/span><span style=\"color: #0000ff;\"><b>strong<\/b><\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"color: #0000ff;\"><b>weak<\/b><\/span><span style=\"font-weight: 400;\"> \u0438 <\/span><span style=\"color: #0000ff;\"><b>unowned<\/b><\/span><span style=\"font-weight: 400;\">. \u041f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u044e\u0442 \u044d\u0442\u0438 \u0442\u0440\u0438 \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0445 \u0441\u043b\u043e\u0432\u0430 \u0438 \u043a\u043e\u0433\u0434\u0430 \u043e\u043d\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043e\u043d \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442 \u043a \u0432\u044b\u0432\u043e\u0434\u0443, \u0447\u0442\u043e \u0432\u00a0<strong>Swift<\/strong>\u00a0<\/span><span style=\"font-weight: 400;\">\u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u043e\u043e\u0431\u0449\u0435 \u0441 \u043d\u0438\u043c\u0438 \u043d\u0435 \u0432\u0441\u0442\u0440\u0435\u0442\u0438\u0442\u044c\u0441\u044f, \u043d\u043e \u0432 \u043e\u0441\u043e\u0431\u044b\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u00a0<\/span><span style=\"color: #0000ff;\"><b>weak<\/b><\/span><span style=\"font-weight: 400;\">, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u00a0<\/span><span style=\"color: #0000ff;\"><b>strong<\/b><\/span><span style=\"font-weight: 400;\">\u00a0\u0432\u0430\u043c \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u044d\u0442\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e, <\/span><span style=\"color: #0000ff;\"><b>unowned<\/b><\/span><span style=\"font-weight: 400;\"> &#8212; \u0441\u043a\u043e\u0440\u0435\u0435 \u0432\u0441\u0435\u0433\u043e \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0412 \u0442\u0435\u043c\u0435 &#171;\u0417\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f&#187; \u043e\u0447\u0435\u043d\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f \u0438 &#171;\u0437\u0430\u0445\u0432\u0430\u0442&#187; \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0435\u043c \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0435\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u044f &#171;\u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u043f\u0430\u043c\u044f\u0442\u0438&#187; \u043d\u0430 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0441\u043d\u0430\u0447\u0430\u043b\u0435 \u043d\u0430 \u0441\u043b\u0430\u0439\u0434\u0430\u0445, \u0430 \u0437\u0430\u0442\u0435\u043c \u0438 \u0432 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435. \u041e\u0431\u0441\u0443\u0436\u0434\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043b\u0443\u0447\u0448\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u044b\u0432\u0430\u00a0&#171;\u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u043f\u0430\u043c\u044f\u0442\u0438&#187;:\u00a0<span style=\"color: #0000ff;\"><b>weak<\/b><\/span>\u00a0\u0438\u043b\u0438\u00a0<span style=\"color: #0000ff;\"><b>unowned<\/b><span style=\"color: #000000;\">, \u0438 \u043a\u0430\u043a\u0438\u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u0442\u043e\u0433\u043e \u0438 \u0434\u0440\u0443\u0433\u043e\u0433\u043e. \u0414\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0435\u00a0&#171;\u0446\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0441\u0441\u044b\u043b\u043e\u043a \u043f\u0430\u043c\u044f\u0442\u0438&#187; \u0438 \u043a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u043c\u0435\u0440\u044b \u043f\u043e \u0435\u0433\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e.<\/span><\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u0430\u043b\u0435\u0435 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0440\u0430\u0441\u0441\u043a\u0430\u0437 \u043e \u0437\u0430\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432 <\/span><b>Swift<\/b><span style=\"font-weight: 400;\">, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f <\/span><span style=\"color: #0000ff;\"><b>extension<\/b><\/span><span style=\"font-weight: 400;\">\u00a0(\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f). <\/span><span style=\"color: #0000ff;\"><b>extension<\/b><\/span><span style=\"font-weight: 400;\">\u00a0\u0440\u0430\u0437\u0440\u0435\u0448\u0430\u0435\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u044b \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0432 \u0434\u0440\u0443\u0433\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u044b, \u0434\u0430\u0436\u0435 \u0435\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u043d\u0435\u0442 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u044d\u0442\u0438\u0445 \u00a0\u043a\u043b\u0430\u0441\u0441\u043e\u0432. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c <\/span><span style=\"color: #0000ff;\"><b>extensions<\/b><\/span><span style=\"font-weight: 400;\"> (\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f) \u043a \u043a\u043b\u0430\u0441\u0441\u0430\u043c <\/span><span style=\"color: #0000ff;\"><b>UIKit<\/b><\/span><span style=\"font-weight: 400;\">. \u041f\u043e\u043b \u0425\u044d\u0433\u0435\u0440\u0442\u0438 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u0430\u0433\u043c\u0430\u0442\u0438\u0447\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f\u00a0<span style=\"color: #0000ff;\"><b>extension<\/b><\/span><span style=\"font-weight: 400;\">\u00a0\u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">UIViewController<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0443\u043f\u0440\u043e\u0449\u0430\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u00a0<strong>Navigation<\/strong> <strong>Controller<\/strong>\u00a0\u0432 <strong>Split<\/strong> <strong>View<\/strong> <strong>Controller<\/strong>. \u041e\u043f\u0438\u0441\u0430\u043d\u044b \u0432\u0441\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f, \u043d\u0430\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0435\u043c\u044b\u0435 \u043d\u0430 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0438 \u043c\u0435\u0442\u043e\u0434\u044b \u0432\u00a0\u00a0<span style=\"color: #0000ff;\"><b>extension<\/b><span style=\"color: #000000;\">,<\/span><\/span><span style=\"font-weight: 400;\">\u00a0 \u0438 \u0434\u0430\u043d\u043e \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 \u043e \u0447\u0440\u0435\u0437\u043c\u0435\u0440\u043d\u043e\u043c \u0438 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438 \u043d\u0435\u043e\u0431\u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0437\u043b\u043e\u0443\u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0438 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u043e\u043c\u00a0<span style=\"color: #0000ff;\"><b>extension<\/b><\/span><span style=\"font-weight: 400;\">.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041e\u0447\u0435\u043d\u044c \u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0432 \u041b\u0435\u043a\u0446\u0438\u0438 7 \u0443\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443 <strong><span style=\"color: #0000ff;\">protocol<\/span><\/strong> \u0432 <strong>Swift<\/strong>, \u043a\u0430\u043a\u00a0\u0441\u043f\u043e\u0441\u043e\u0431\u0443 \u043a\u0440\u0430\u0442\u043a\u043e\u0433\u043e \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f<b>\u00a0API<\/b> ( Application Program Interface). \u041e\u043d \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u0430\u043c \u0438\u043c\u0435\u0442\u044c <b>API,<\/b> \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u043c\u0435\u0441\u0442\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430 \u0438\u043b\u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u0442\u0435\u0441\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c, \u0447\u0442\u043e\u0431\u044b \u0434\u0435\u043b\u0430\u0442\u044c \u0442\u043e, \u0447\u0442\u043e \u0432\u044b \u0434\u0435\u043b\u0430\u0435\u0442\u0435, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0442\u043e\u0447\u043d\u043e, \u0447\u0442\u043e \u0432\u0430\u043c \u043e\u0442 \u044d\u0442\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430 \u0438\u043b\u0438 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043d\u0443\u0436\u043d\u043e. \u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u00a0<span style=\"color: #0000ff;\"><b>protocol<\/b><\/span> &#8212; \u044d\u0442\u043e \u043f\u0440\u043e\u0441\u0442\u043e <span style=\"text-decoration: underline;\">\u0434\u0435\u043a\u043b\u0430\u0440\u0430\u0446\u0438\u044f<\/span> \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438 \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0438 \u0441\u0432\u043e\u0439\u0441\u0442\u0432, \u043d\u043e \u0431\u0435\u0437 &#171;\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f&#187;. \u0414\u0430\u043b\u0435\u0435 \u041f\u043e\u043b \u0425\u044d\u0433\u0435\u0440\u0442\u0438 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442 \u043c\u044b\u0441\u043b\u044c \u043e \u0442\u043e\u043c, \u0447\u0442\u043e <strong><span style=\"color: #0000ff;\">protocol<\/span><\/strong>\u00a0\u0432\u00a0<strong>Swift<\/strong>&#8212; \u044d\u0442\u043e\u00a0\u0422\u0418\u041f \u0438 \u0432\u0435\u0437\u0434\u0435, \u0433\u0434\u0435 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0422\u0418\u041f, \u0432\u044b \u0442\u0430\u043a\u0436\u0435 \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <span style=\"color: #0000ff;\"><b>protocol<\/b><\/span>. \u0412 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0422\u0418\u041f\u0410 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0438 \u043d\u0430 \u044d\u0442\u0443 \u0442\u0435\u043c\u0443 \u043e\u043d \u043d\u0430 \u0441\u043b\u0430\u0439\u0434\u0430\u0445 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u043a\u0430\u043a\u0438\u0435 \u044d\u0442\u043e \u0434\u0430\u0435\u0442 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b\u00a0<strong><span style=\"color: #0000ff;\">protocols<\/span><\/strong>\u00a0\u0432\u00a0<strong>Swift<\/strong> \u0438\u043c\u0435\u044e\u0442\u00a0\u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435, \u0432 \u043e\u0442\u043b\u0438\u0447\u0438\u0438 \u043e\u0442 <strong><span style=\"color: #0000ff;\">classes<\/span><\/strong>. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u00a0\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u00a0<span style=\"color: #0000ff;\"><b>extension<\/b><\/span> \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u0443\u044e \u0438\u043b\u0438 \u043f\u043e\u043b\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e\u00a0<strong><span style=\"color: #0000ff;\">protocol<\/span><\/strong> \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e.\u00a0Apple \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0434\u0435\u043b\u0430\u043b\u0430 \u0445\u043e\u0440\u043e\u0448\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0432 <b>Swift<\/b> \u0441 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c\u0438 <span style=\"color: #0000ff;\"><b>protocols<\/b><\/span> \u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438 <span style=\"color: #0000ff;\"><b>extensions<\/b><\/span>. <span style=\"color: #0000ff;\"><b>Protocols<\/b><\/span> &#8212; \u044d\u0442\u043e \u0440\u0435\u0430\u043b\u044c\u043d\u043e \u043e\u0447\u0435\u043d\u044c \u0432\u0430\u0436\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u0443\u0442\u043e\u043d\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 <b>Swift<\/b>. \u0415\u0441\u043b\u0438 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043a\u0430\u043a\u0443\u044e-\u0442\u043e \u043c\u043e\u0449\u043d\u0443\u044e \u0441\u043b\u043e\u0436\u043d\u0443\u044e \u0432\u0435\u0449\u044c, \u0442\u043e \u0432\u0430\u043c \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u0438\u043c\u0435\u0442\u044c \u0434\u0435\u043b\u043e \u0441 <span style=\"color: #0000ff;\"><b>protocols<\/b><\/span>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0414\u0430\u043b\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u0430\u043a \u0441\u043f\u043e\u0441\u043e\u0431\u00a0\u201c\u0441\u043b\u0435\u043f\u043e\u0439\u201d \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u0438 \u043c\u0435\u0436\u0434\u0443 \u0432\u0430\u0448\u0438\u043c <\/span><b>V<\/b><span style=\"font-weight: 400;\">iew \u0438 \u0432\u0430\u0448\u0438\u043c<\/span><b> \u0421<\/b><span style=\"font-weight: 400;\">ontroller \u0438\u043b\u0438 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 <strong>MVCs<\/strong>, \u0438 \u043a\u0430\u043a \u043e\u0434\u0438\u043d \u0438\u0437 \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432. \u041d\u043e \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u0432\u0441\u0435 \u0432\u0440\u0435\u043c\u044f \u043f\u043e\u0434\u0447\u0435\u0440\u043a\u0438\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f \u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u0438\u0448\u043b\u0430 \u0438\u0437 \u043c\u0438\u0440\u0430<strong> Objective-C<\/strong>. \u041e\u043d \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u043a\u0430\u043a \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u0443 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e \u043d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f <strong>Scroll<\/strong> <strong>View<\/strong>, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043c\u0435\u0442\u043e\u0434\u044b \u0434\u0435\u043b\u0435\u0433\u0430\u0442\u0430 <strong><span style=\"color: #0000ff;\">UIScrollViewDelegate\u00a0<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">\u043e\u043f\u0438\u0440\u0430\u044e\u0442\u0441\u044f \u043d\u0430\u00a0\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b\u00a0\u0441\u0442\u0430\u0440\u043e\u0433\u043e\u00a0<strong>Objective-C<\/strong> \u00a0\u0441\u0442\u0438\u043b\u044f.\u00a0\u042d\u0442\u043e\u0442 \u0441\u0442\u0438\u043b\u044c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0432 <strong>Swift<\/strong>\u00a0\u043c\u0430\u0440\u043a\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u043c \u0441\u043b\u043e\u0432\u043e\u043c <strong><span style=\"color: #0000ff;\">@objc<\/span><\/strong> \u0438<strong>\u00a0<\/strong>\u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u043c\u0435\u0442\u044c \u043d\u0435\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 (<span style=\"color: #0000ff;\"><strong>optional<\/strong><\/span>) \u043c\u0435\u0442\u043e\u0434\u044b.\u00a0<\/span><\/span>\u00a0<\/span>\u041d\u043e \u0432\u00a0<b>Swift<\/b><span style=\"font-weight: 400;\"> \u043d\u0435\u0442 \u044d\u0442\u0438\u0445 <\/span><span style=\"color: #0000ff;\"><b>optional<\/b> <b>protocols<\/b><\/span><span style=\"font-weight: 400;\">. \u0422\u0430\u043c \u0435\u0441\u0442\u044c \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0442\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0435 &#8212; \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f. \u0418 \u0441\u0443\u0434\u044f \u043f\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430\u043c 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\u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 (<strong>App Transport Security<\/strong>) \u00a0\u043e\u0442\u043a\u0440\u044b\u0432\u0430\u0442\u044c Web-\u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0441 \u0430\u0434\u0440\u0435\u0441\u0430\u043c\u0438\u00a0<strong>\u00a0http:\/\/<\/strong>, \u0442\u0430\u043a \u043a\u0430\u043a \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u044d\u0442\u043e \u0432\u00a0<strong>Xcode 7<\/strong>\u00a0\u043d\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u041b\u0435\u043a\u0446\u0438\u0438 \u0438 \u0441\u043b\u0430\u0439\u0434\u044b \u043d\u0430 \u0430\u043d\u0433\u043b\u0438\u0439\u0441\u043a\u043e\u043c \u044f\u0437\u044b\u043a\u0435 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Closures, Extensions, Protocols, Delegation, and ScrollView\u201d<\/a><\/strong><a href=\"https:\/\/itunes.apple.com\/us\/course\/developing-ios-9-apps-swift\/id1104579961\">.<\/a>\u00a0\u041a\u043e\u0434 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u0440\u0430 &#171;<strong>Cassini\u00a0L7<\/strong>&#187;\u00a0\u0434\u043b\u044f\u00a0<strong>Swift 3.0\u00a0<\/strong>\u00a0\u0438<strong>\u00a0Xcode 8<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<strong><a href=\"https:\/\/github.com\/BestKora\/Swift-3.0-Demo-Spring-2016\">Github<\/a><\/strong>, \u0430 \u0434\u043b\u044f<strong>\u00a0Swift 3 .2 \u00a0\u0438 Xcode 9<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u00a0<strong><a href=\"https:\/\/github.com\/BestKora\/Swift-3.0-iOS-10-Demo-Spring-2016\">Github<\/a><\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0420\u0443\u0441\u0441\u043a\u043e\u044f\u0437\u044b\u0447\u043d\u044b\u0439 \u043d\u0435\u0430\u0432\u0442\u043e\u0440\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u0441\u043f\u0435\u043a\u0442 \u043b\u0435\u043a\u0446\u0438\u0438 7, \u0445\u0440\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0447\u0435\u0440\u0435\u0437 \u043a\u0430\u0436\u0434\u044b\u0435 5 \u043c\u0438\u043d\u0443\u0442, \u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u0432 \u0432\u0438\u0434\u0435\u00a0<strong>PDF<\/strong>-\u0444\u0430\u0439\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u043d\u043e \u0441\u043a\u0430\u0447\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c offline, \u0430 \u0442\u0430\u043a\u0436\u0435\u00a0<strong>Google Doc<\/strong>\u00a0\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u043d\u0430<strong>\u00a0<a title=\"\u0414\u043e\u0441\u0442\u0443\u043f \u043a \u043b\u0435\u043a\u0446\u0438\u0438 7 iOS 8 Swift\" href=\"https:\/\/bestkora.com\/IosDeveloper\/dostup-k-lektsii-3-ios-9\/\">\u043f\u043b\u0430\u0442\u043d\u043e\u0439 \u043e\u0441\u043d\u043e\u0432\u0435<\/a><\/strong>.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 \u041b\u0435\u043a\u0446\u0438\u0438 7 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u044f\u0434 \u0432\u0430\u0436\u043d\u044b\u0445 \u0442\u0435\u043c : \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0441\u0441\u044b\u043b\u043e\u0447\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0417\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f \u0438 \u0417\u0430\u0445\u0432\u0430\u0442 \u0432 \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u0438 \u0420\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b \u0414\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 Scroll View \u041a\u043b\u0430\u0441\u0441\u044b, \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f, \u0444\u0443\u043d\u043a\u0446\u0438\u0438 &#8212; \u044d\u0442\u043e \u0441\u0441\u044b\u043b\u043e\u0447\u043d\u044b\u0435 \u0442\u0438\u043f\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u201c\u0436\u0438\u0432\u0443\u0442\u201d \u0432 \u201c\u043a\u0443\u0447\u0435\u201d (heap). \u0418 \u044d\u0442\u0430 \u043f\u0430\u043c\u044f\u0442\u044c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f iOS &hellip; <a href=\"https:\/\/bestkora.com\/IosDeveloper\/lektsiya-7-cs193p-spring-2016-closures-extensions-protocols-delegation-i-scrollview\/\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,9,34,14],"tags":[29,31,35],"class_list":["post-4922","post","type-post","status-publish","format-standard","hentry","category-ios-9","category-lecture","category-stanford-cs-193p-ios-9","category-swift","tag-ios-9","tag-swift","tag-lektsiya-ios-9"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u041b\u0435\u043a\u0446\u0438\u0438 7 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u044f\u0434 \u0432\u0430\u0436\u043d\u044b\u0445 \u0442\u0435\u043c : \u0423\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u044c\u044e 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