{"id":16423,"date":"2025-01-08T09:40:25","date_gmt":"2025-01-08T09:40:25","guid":{"rendered":"https:\/\/bestkora.com\/IosDeveloper\/?p=16423"},"modified":"2025-01-27T08:43:53","modified_gmt":"2025-01-27T08:43:53","slug":"%d0%bc%d0%bd%d0%be%d0%b3%d0%be%d0%bf%d0%be%d1%82%d0%be%d1%87%d0%bd%d0%be%d1%81%d1%82%d1%8c-%d0%bf%d0%be-%d1%88%d0%b0%d0%b3%d0%b0%d0%bc-%d1%81%d0%b5%d1%82%d0%b5%d0%b2%d0%be%d0%b9-%d0%b7%d0%b0","status":"publish","type":"post","link":"https:\/\/bestkora.com\/IosDeveloper\/%d0%bc%d0%bd%d0%be%d0%b3%d0%be%d0%bf%d0%be%d1%82%d0%be%d1%87%d0%bd%d0%be%d1%81%d1%82%d1%8c-%d0%bf%d0%be-%d1%88%d0%b0%d0%b3%d0%b0%d0%bc-%d1%81%d0%b5%d1%82%d0%b5%d0%b2%d0%be%d0%b9-%d0%b7%d0%b0\/","title":{"rendered":"\u041c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u043f\u043e \u0448\u0430\u0433\u0430\u043c:\u00a0 \u0421\u0435\u0442\u0435\u0432\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441."},"content":{"rendered":"\n

\u042d\u0442\u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434 \u0441\u0442\u0430\u0442\u044c\u0438 Concurrency Step-by-Step: A Network Request<\/a><\/span><\/p>\n\n\n\n

\u042d\u0442\u043e \u0431\u044b\u043b\u043e \u043e\u0448\u0438\u0431\u043a\u043e\u0439, \u0447\u0442\u043e \u044f \u043d\u0435 \u0443\u0434\u0435\u043b\u044f\u043b \u0431\u043e\u043b\u044c\u0448\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u043b\u044e\u0434\u044f\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0442. \u042f \u043f\u043e\u043f\u044b\u0442\u0430\u044e\u0441\u044c \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u044d\u0442\u043e, \u0443\u0433\u043b\u0443\u0431\u0438\u0432\u0448\u0438\u0441\u044c \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0441\u043d\u043e\u0432\u044b. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0448\u0430\u0433 \u0437\u0430 \u0448\u0430\u0433\u043e\u043c \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e SwiftUI.<\/span><\/p>\n\n\n\n

\u041f\u0440\u0435\u0434\u0438\u0441\u043b\u043e\u0432\u0438\u0435<\/strong><\/h2>\n\n\n\n

\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0431\u044b\u0441\u0442\u0440\u044b\u0445 \u0437\u0430\u043c\u0435\u0442\u043e\u043a. \u0412\u043e-\u043f\u0435\u0440\u0432\u044b\u0445, \u044f \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043e\u043f\u0443\u0441\u0442\u0438\u043b \u0432\u0441\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u043e\u0448\u0438\u0431\u043e\u043a. \u042f \u0441\u0434\u0435\u043b\u0430\u043b \u044d\u0442\u043e, \u0447\u0442\u043e\u0431\u044b \u0441\u043e\u0441\u0440\u0435\u0434\u043e\u0442\u043e\u0447\u0438\u0442\u044c\u0441\u044f \u043d\u0430 \u0442\u0435\u043c\u0435 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438. \u042f \u0442\u0430\u043a\u0436\u0435 \u043d\u0435 \u043e\u0441\u043e\u0431\u043e \u0438\u0441\u043a\u0443\u0448\u0435\u043d\u043d\u044b\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a SwiftUI, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0437\u0434\u0435\u0441\u044c \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435\u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0435 \u0448\u0430\u0431\u043b\u043e\u043d\u044b.<\/span><\/p>\n\n\n\n

\u0412\u0430\u0436\u043d\u043e, \u0447\u0442\u043e \u044d\u0442\u043e\u0442 \u043f\u043e\u0441\u0442 \u0431\u044b\u043b \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u0434\u043b\u044f Xcode 16<\/strong>. \u0415\u0441\u043b\u0438 \u0432\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u0431\u043e\u043b\u0435\u0435 \u0440\u0430\u043d\u043d\u044e\u044e \u0432\u0435\u0440\u0441\u0438\u044e, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u0435\u0449\u0438 \u0431\u0443\u0434\u0443\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0435 \u0442\u0430\u043a.<\/span><\/p>\n\n\n\n

\u0420\u0430\u0441\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0441\u0435 \u043f\u043e \u043c\u0435\u0441\u0442\u0430\u043c<\/h2>\n\n\n\n

\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u043e\u0441\u0442\u0443\u044e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443 SwiftUI, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442 \u0447\u0442\u043e-\u0442\u043e \u0438\u0437 \u0441\u0435\u0442\u0438. \u041c\u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u043d\u0430\u0439\u0442\u0438 \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0439 API \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f, \u0438 \u044f \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0441\u044f \u043d\u0430 Robohash<\/a>. \u042d\u0442\u043e \u0432\u043e\u0441\u0445\u0438\u0442\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0441\u0442\u043e\u0433\u043e, \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0433\u043e \u0438 \u043d\u0435\u043e\u0431\u044b\u0447\u043d\u043e\u0433\u043e.<\/span><\/p>\n\n\n\n

\u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043d\u0430\u0448\u0438 \u0434\u0430\u043d\u043d\u044b\u0435 \u0431\u0443\u0434\u0443\u0442 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c\u0441\u044f \u0438\u0437 \u0441\u0435\u0442\u0438, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441\u043b\u0443\u0447\u0430\u0439, \u043a\u043e\u0433\u0434\u0430 \u043d\u0430\u043c \u043d\u0435\u0447\u0435\u0433\u043e \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c. \u041d\u0430\u0447\u043d\u0435\u043c \u0441 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e View<\/mark><\/code>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043c\u043e\u0436\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c Optional<\/mark><\/code> \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435 cgImage<\/mark><\/code>.<\/span><\/p>\n\n\n\n

<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
struct<\/span> <\/span>LoadedImageView<\/span>: <\/span>View <\/span>{<\/span><\/span>\n\t<\/span>let<\/span> cgImage: CGImage?<\/span><\/span>\n\t<\/span><\/span>\n\t<\/span>var<\/span> body: <\/span>some<\/span> View {<\/span><\/span>\n\t\t<\/span>if<\/span> <\/span>let<\/span> cgImage {<\/span><\/span>\n\t\t\t<\/span>Image<\/span>(cgImage, <\/span>scale<\/span>: <\/span>1.0<\/span>, <\/span>label<\/span>: <\/span>Text<\/span>(<\/span>"Robot"<\/span>))<\/span><\/span>\n\t\t} <\/span>else<\/span> {<\/span><\/span>\n\t\t\t<\/span>Text<\/span>(<\/span>"no robot yet"<\/span>)<\/span><\/span>\n\t\t}<\/span><\/span>\n\t}<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u042f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b CGImage<\/mark><\/code> \u0437\u0434\u0435\u0441\u044c, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u044d\u0442\u043e\u0442 \u043a\u043e\u0434 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0431\u0435\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u043d\u0430 \u0432\u0441\u0435\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0445 Apple.<\/span><\/p>\n\n\n\n
\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043a \u0431\u043e\u043b\u0435\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u043c \u0432\u0435\u0449\u0430\u043c. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u043e\u0437\u0434\u0430\u0434\u0438\u043c View<\/mark><\/code>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0438\u0437 \u0441\u0435\u0442\u0438.<\/span><\/p>\n\n\n\n
<\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
struct<\/span> <\/span>RobotView<\/span>: <\/span>View <\/span>{<\/span><\/span>\n\t<\/span>@State<\/span> <\/span>private<\/span> <\/span>var<\/span> cgImage: CGImage?<\/span><\/span>\n<\/span>\n\t<\/span>var<\/span> body: <\/span>some<\/span> View {<\/span><\/span>\n\t\t<\/span>LoadedImageView<\/span>(<\/span>cgImage<\/span>: cgImage)<\/span><\/span>\n\t\t\t.<\/span>onAppear<\/span> {<\/span><\/span>\n\t\t\t\t<\/span>loadImageWithGCD<\/span>()<\/span><\/span>\n\t\t\t}<\/span><\/span>\n\t}<\/span><\/span>\n\t<\/span><\/span>\n\t<\/span>private<\/span> <\/span>func<\/span> <\/span>loadImageWithGCD<\/span>() {<\/span><\/span>\n\t\t<\/span>let<\/span> request = <\/span>URLRequest<\/span>(<\/span>url<\/span>: <\/span><\/span>\n                 <\/span>URL<\/span>(<\/span>string<\/span>: <\/span>"https:\/\/robohash.org\/hash-this-text.png"<\/span>)!)<\/span><\/span>\n<\/span>\n\t\t<\/span>let<\/span> dataTask = URLSession.<\/span>shared<\/span>.<\/span>dataTask<\/span>(<\/span>with<\/span>: request) { data, _, _ <\/span>in<\/span><\/span>\n\t\t\t<\/span>guard<\/span> <\/span>let<\/span> data <\/span>else<\/span> { <\/span>return<\/span> }<\/span><\/span>\n<\/span>\n\t\t\tDispatchQueue.<\/span>main<\/span>.<\/span>async<\/span> {<\/span><\/span>\n\t\t\t\t<\/span>let<\/span> provider = <\/span>CGDataProvider<\/span>(<\/span>data<\/span>: data as CFData)!<\/span><\/span>\n<\/span>\n\t\t\t\t<\/span>self<\/span>.<\/span>cgImage<\/span> = <\/span>CGImage<\/span>(<\/span><\/span>\n\t\t\t\t\t<\/span>pngDataProviderSource<\/span>: provider,<\/span><\/span>\n\t\t\t\t\t<\/span>decode<\/span>: <\/span>nil<\/span>,<\/span><\/span>\n\t\t\t\t\t<\/span>shouldInterpolate<\/span>: <\/span>false<\/span>,<\/span><\/span>\n\t\t\t\t\t<\/span>intent<\/span>: .<\/span>defaultIntent<\/span><\/span>\n\t\t\t\t)<\/span><\/span>\n\t\t\t}<\/span><\/span>\n\t\t}<\/span><\/span>\n<\/span>\n\t\tdataTask.<\/span>resume<\/span>()<\/span><\/span>\n\t}<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u042f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b GCD<\/strong> (Grand Central Dispatch). \u041d\u0430\u0434\u0435\u044e\u0441\u044c, \u044d\u0442\u043e \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u0438\u0432\u044b\u0447\u043d\u043e, \u0434\u0430\u0436\u0435 \u0435\u0441\u043b\u0438 \u0432\u044b \u0432\u043e\u043e\u0431\u0449\u0435 \u043d\u0435 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u0442\u0435\u0441\u044c \u0432 \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438. \u041d\u043e \u044f \u0432\u0441\u0435 \u0440\u0430\u0432\u043d\u043e \u0445\u043e\u0447\u0443 \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e \u0437\u0434\u0435\u0441\u044c \u0440\u0435\u0436\u0438\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u044f\u0437\u044b\u043a\u0430 Swift 6<\/strong>, \u0438 \u044d\u0442\u043e\u0442 \u043a\u043e\u0434 \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0431\u0435\u0437 \u043e\u0448\u0438\u0431\u043e\u043a<\/strong>.<\/span><\/p>\n\n\n\n\n\n\n\n
\u0412\u043e\u0442 \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442:<\/span><\/p>\n\n\n\n