{"id":1145,"date":"2021-03-25T23:48:04","date_gmt":"2021-03-25T14:48:04","guid":{"rendered":"https:\/\/www.typea.info\/blog\/?p=1145"},"modified":"2021-03-25T23:53:18","modified_gmt":"2021-03-25T14:53:18","slug":"swiftui_mvvm","status":"publish","type":"post","link":"https:\/\/www.typea.info\/blog\/index.php\/2021\/03\/25\/swiftui_mvvm\/","title":{"rendered":"SwiftUI\u958b\u767a\u306e\u30ce\u30ea\u304c\u5c11\u3057\u308f\u304b\u3063\u3066\u304d\u305f\u304b\u3082\u3002"},"content":{"rendered":"

SwiftUI<\/a>\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3084\u3089\u3001\u66f8\u7c4d\u3084\u3089\u307f\u3066\u624b\u3092\u52d5\u304b\u3057\u3066\u3044\u308b\u306e\u3060\u3051\u308c\u3069\u3001Swift\u3082\u521d\u3081\u3066\u3001XCode\u3082\u521d\u3081\u3066\u3068\u3044\u3046\u3053\u3068\u3067\u3082\u305f\u3064\u3044\u305f\u3051\u3069\u3001\u81ea\u5206\u306e\u30d1\u30bf\u30fc\u30f3\u307f\u305f\u3044\u306a\u3082\u306e\u304c\u3088\u3046\u3084\u304f\u898b\u3048\u3066\u304d\u305f\u3002<\/p>\n

View\u306fXML\u3084\u72ec\u81ea\u306e\u753b\u9762\u5b9a\u7fa9\u69cb\u6587\u3067\u306f\u306a\u304f\u3001Flutter<\/a>\u3067\u753b\u9762\u3092Dart\u306e\u30b3\u30fc\u30c9\u3067\u8a18\u8ff0\u3059\u308b\u3088\u3046\u306b\u3001Swift\u306e\u30b3\u30fc\u30c9\u3067\u8a18\u8ff0\u3057\u3001Service\u3068View\u3092MV\u306a\u3093\u3061\u3083\u3089<\/a>\u3067\u7e4b\u3044\u3067\u3042\u3052\u308c\u3070\u3088\u3055\u305d\u3046\u3002<\/p>\n

\u30e1\u30e2\u3092\u3068\u3063\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u3059\u3050\u306b\u5fd8\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u6b21\u306b\u3061\u3083\u3063\u3061\u3083\u3068\u9032\u307f\u305f\u3044\u6c17\u6301\u3061\u3092\u6291\u3048\u3066\u3001\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3001\u30e1\u30e2\u3060\u3051\u3068\u3063\u3066\u304a\u304f\u3002<\/p>\n

\u00a0<\/p>\n

URL\u3092\u5165\u529b\u3057\u3066\u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3068\u3001\u30a8\u30c7\u30a3\u30bf\u306b\u60c5\u5831\u3092\u8868\u793a\u3059\u308b\u30a2\u30d7\u30ea\u3092\u4f5c\u3063\u3066\u307f\u308b\u3002<\/p>\n

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

1.Model<\/h2>\n

\u307e\u305a\u3001\u30c7\u30fc\u30bf\u3042\u308a\u304d\u3002HTTP GET\u3067\u53d6\u5f97\u3057\u305f\u3001BODY\u90e8\u5206\u3092\u4fdd\u6301\u3059\u308b\u3001\u6975\u30b7\u30f3\u30d7\u30eb\u306aModel\u3068\u3044\u3046\u304bViewModel\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/p>\n

UI\u3068\u5171\u6709\u3057\u3066\u5909\u5316\u3092\u52d5\u7684\u306bUI\u306b\u53cd\u6620\u3055\u305b\u308b\u306b\u306f\u3001ObservablerObject\u3092\u7d99\u627f\u3001\u307e\u305f\u3001\u53cd\u6620\u3055\u305b\u308b\u30e1\u30f3\u30d0\u30fc\u306b\u306f\u3001@Published \u3067\u4fee\u98fe\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3088\u3046\u3060\u3002<\/p>\n

import Foundation\n\npublic class WoLViewModel : ObservableObject {\n    @Published var content:String = \"\"\n}\n<\/pre>\n
2.Service<\/h2>\n
\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3068\u3057\u3066\u3001URL\u3068\u4e0a\u8a18\u30e2\u30c7\u30eb\u3092\u5f15\u6570\u3068\u3057\u3066\u3068\u308a\u3001URL\u306e\u5185\u5bb9\u3092\u53d6\u5f97\u3057\u3066\u3001\u7d50\u679c\u3092\u30e2\u30c7\u30eb\u306e\u30e1\u30f3\u30d0\u30fc\u306b\u30bb\u30c3\u30c8\u3059\u308b\u30ed\u30b8\u30c3\u30af\u3092\u304b\u304f\u3002<\/p>\n
\u4e00\u70b9\u3001DispatchQueue.main.sync \u3068\u3044\u3046\u304a\u307e\u3058\u306a\u3044\u3001\u3001\u3001\u3067\u3082\u306a\u3044\u306e\u3060\u3051\u308c\u3069\u3001\u3067\u3001GUI\u30b9\u30ec\u30c3\u30c9\u3068\u306e\u540c\u671f\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n
Swift\u306e\u30b1\u30fc\u30b9\u3092\u8abf\u3079\u3066\u3044\u306a\u3044\u304c\u3001\u30a4\u30d9\u30f3\u30c8\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30b9\u30ec\u30c3\u30c9<\/a>\u306b\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u5373\u6642\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u30ad\u30e5\u30fc\u306b\u5165\u308c\u3066\u304a\u3044\u3066GUI\u306e\u90fd\u5408\u304c\u826f\u3044\u6642\u306b\u5b9f\u884c\u3057\u3066\u304f\u308c\u308b\u4ed5\u7d44\u307f\u306f\u540c\u3058\u3060\u308d\u3046\u3002<\/p>\n
\n
\u300c\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306eGUI\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\u306f\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u306e\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0(single-threded subsystem)\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3059\u3079\u3066\u306eGUI\u6d3b\u52d5\u304c\u4e00\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u306b\u62d8\u675f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u300d<\/p>\n
\u300c\u7279\u306b\u610f\u8b58\u7684\u306b\u5b8c\u5168\u306b\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304b\u306a\u3044\u304b\u304e\u308a\u3001\u666e\u901a\u306e\uff27\uff35\uff29\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30ec\u30c3\u30c9\u3068\uff27\uff35\uff29\u306e\u30a4\u30d9\u30f3\u30c8\u30b9\u30ec\u30c3\u30c9\u3001\u5c11\u306a\u304f\u3068\u3082\u3053\u306e\u4e8c\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u52d5\u304d\u307e\u3059\u3002\u300d<\/p>\n
\u300c\u6614\u306fGUI\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u305d\u306e\u3082\u306e\u304c\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u3001GUI\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u4e2d\u306e”\u30e1\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7(main event loop)\u201d \u3068\u547c\u3070\u308c\u308b\u30eb\u30fc\u30d7\u306e\u4e2d\u3067\u51e6\u7406\u3055\u308c\u307e\u3057\u305f\u3002\u4eca\u65e5\u306eGUI\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306f\u307b\u3093\u306e\u5c11\u3057\u3060\u3051\u9055\u3063\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30b9\u30ec\u30c3\u30c9(event dispatch thread,EDT)\u3068\u547c\u3070\u308c\u308b\u3001\uff27\uff35\uff29\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b\u5c02\u7528\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u308a\u307e\u3059\u3002\u300d<\/p>\n<\/blockquote>\n
<\/a>\"\"<\/p>\n
import Foundation\n\npublic struct WoLService {\n    \n    func doResourceGetTest(url _url:String, content:WoLViewModel?) {\n        \n        let url = URL(string: _url)!\n        let task = URLSession.shared.dataTask(with: url) { data, response, error in\n            if let error = error {\n                print(\"\\(error)\\n\")\n                return\n            }\n            guard let data = data, let response = response as? HTTPURLResponse else {\n                print(\"no data or no response.\")\n                return\n            }\n            if response.statusCode == 200 {\n                if let text = String(bytes: data, encoding: .utf8) {\n                    print(text)\n                    if let content = content {\n                        DispatchQueue.main.sync {\n                            content.content = text\n                        }\n                    }\n                }\n            }\n        }\n        task.resume()\n    }\n}\n<\/pre>\n
3.View<\/h2>\n
\u6700\u5f8c\u306bView\u90e8\u5206\u3002\u30dc\u30bf\u30f3\u62bc\u3057\u305f\u3089\u3001Service\u3092\u4f5c\u6210\u3057\u3066\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u3088\u3076\u3002<\/p>\n
ViewModel\u3068\u3044\u3046\u306e\u304b\u3069\u3046\u304b\u308f\u304b\u3089\u306a\u3044\u304c\u3001ObservableObject\u306f\u3001\uff20ObservedObject \u3067\u4fee\u98fe\u3057\u3066View\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3088\u3046\u3060\u3002<\/p>\n
\u3042\u3068\u306f\u3001View\u4e0a\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u3001ViewModel\u304bObservableObject\u304b\u77e5\u3089\u306a\u3044\u304c\u306e\u3001\u516c\u958b\u30e1\u30f3\u30d0\u30fc\u3068 $data.content \u3068\u3057\u3066\u30d0\u30a4\u30f3\u30c9\u3059\u308b\u3002\u3000<\/p>\n
import SwiftUI\n\nstruct ContentView: View {\n    @State var url: String = \"\"\n    @ObservedObject var data = WoLViewModel()\n    var body: some View {\n        VStack {\n            TextField(\"https:\/\/example.com\", text: $url)\n            TextEditor(text: $data.content)\n            Button(action: {\n                getResource()\n            }) {\n                Text(\"Get Resource\")\n            }.padding()\n        }\n    }\n    func getResource() {\n        let service = WoLService();\n        service.doResourceGetTest(url:self.url, content:self.data)\n    }\n}\n\nstruct ContentView_Previews: PreviewProvider {\n    static var previews: some View {\n        ContentView()\n    }\n}\n<\/pre>\n
\u00a0<\/p>\n
4.\u52d5\u3044\u305f<\/h2>\n
\u52d5\u3044\u305f\u52d5\u3044\u305f\u3002<\/p>\n
\u3042\u3068\u306f\u62e1\u5f35\u3057\u3066\u3044\u3051\u3070\u3088\u3055\u305d\u3046\u3002<\/p>\n
\"SwiftUI<\/a><\/p>\n
\u00a0<\/p>\n
\u5168\u304f\u308f\u304b\u3089\u306a\u3044\u72b6\u614b\u304b\u3089\u3001\u5b66\u7fd2\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u66f8\u7c4d\u306f\u61c7\u5207\u4e01\u5be7\u306b\u66f8\u304b\u308c\u3066\u3066\u826f\u3044\u3002<\/p>\n
<\/a>\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"
SwiftUI\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3084\u3089\u3001\u66f8\u7c4d\u3084\u3089\u307f\u3066\u624b\u3092\u52d5\u304b\u3057\u3066\u3044\u308b\u306e\u3060\u3051\u308c\u3069\u3001Swift\u3082\u521d\u3081\u3066\u3001XCode\u3082\u521d\u3081\u3066\u3068\u3044\u3046\u3053\u3068\u3067\u3082\u305f\u3064\u3044\u305f\u3051\u3069\u3001\u81ea\u5206\u306e\u30d1\u30bf\u30fc\u30f3\u307f\u305f\u3044\u306a\u3082\u306e\u304c\u3088\u3046\u3084\u304f\u898b\u3048\u3066\u304d\u305f\u3002 View\u306fXML\u3084\u72ec\u81ea\u306e\u753b\u9762 […]<\/p>\n","protected":false},"author":1,"featured_media":1147,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[127],"tags":[150,134],"class_list":["post-1145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-swift","tag-mvvm","tag-swiftui"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=1145"}],"version-history":[{"count":2,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1145\/revisions"}],"predecessor-version":[{"id":1148,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/posts\/1145\/revisions\/1148"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/media\/1147"}],"wp:attachment":[{"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=1145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=1145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.typea.info\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=1145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}