{"id":1440,"date":"2020-08-21T22:34:11","date_gmt":"2020-08-21T13:34:11","guid":{"rendered":"http:\/\/hirlab.net\/nblog\/?p=1440"},"modified":"2020-08-21T22:56:11","modified_gmt":"2020-08-21T13:56:11","slug":"%e3%80%90%e7%ac%ac2%e5%9b%9e%e3%80%91%e6%97%a5%e6%9c%ac%e8%aa%9e%e7%89%88swiftui%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab%e3%80%90%e3%83%aa%e3%82%b9%e3%83%88%e3%81%a8%e3%83%8a","status":"publish","type":"post","link":"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/","title":{"rendered":"\u3010\u7b2c2\u56de\u3011\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3010\u30ea\u30b9\u30c8\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3011"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_11 counter-hierarchy counter-decimal ez-toc-light-blue\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u30b3\u30f3\u30c6\u30f3\u30c4<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#%E6%97%A5%E6%9C%AC%E8%AA%9E%E7%89%88SwiftUI%E3%83%81%E3%83%A5%E3%83%BC%E3%83%88%E3%83%AA%E3%82%A2%E3%83%AB\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#%E7%AC%AC2%E5%9B%9E%EF%BC%9A%E3%83%AA%E3%82%B9%E3%83%88%E3%81%A8%E3%83%8A%E3%83%93%E3%82%B2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3_~%E5%8B%95%E7%9A%84%E3%81%AA%E3%83%93%E3%83%A5%E3%83%BC%E7%94%9F%E6%88%90~\" title=\"\u7b2c2\u56de\uff1a\u30ea\u30b9\u30c8\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3 ~\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u751f\u6210~\">\u7b2c2\u56de\uff1a\u30ea\u30b9\u30c8\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3 ~\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u751f\u6210~<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_1_%E3%83%A2%E3%83%87%E3%83%AB%E3%82%92%E4%BD%9C%E3%82%8B\" title=\"Step 1. \u30e2\u30c7\u30eb\u3092\u4f5c\u308b\">Step 1. \u30e2\u30c7\u30eb\u3092\u4f5c\u308b<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Srep_2_%E3%83%87%E3%83%BC%E3%82%BF%E5%87%A6%E7%90%86%E9%83%A8\" title=\"Srep 2. \u30c7\u30fc\u30bf\u51e6\u7406\u90e8\">Srep 2. \u30c7\u30fc\u30bf\u51e6\u7406\u90e8<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_3_%E3%83%AA%E3%82%B9%E3%83%88%E3%83%93%E3%83%A5%E3%83%BC%E3%82%92%E4%BD%9C%E3%82%8B%E5%89%8D%E3%81%AB%E6%A7%8B%E6%88%90%E8%A6%81%E7%B4%A0%E3%82%92%E4%BD%9C%E3%82%8B\" title=\"Step 3. \u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\u3092\u4f5c\u308b\u524d\u306b\u69cb\u6210\u8981\u7d20\u3092\u4f5c\u308b\">Step 3. \u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\u3092\u4f5c\u308b\u524d\u306b\u69cb\u6210\u8981\u7d20\u3092\u4f5c\u308b<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_4_%E8%A4%87%E6%95%B0%E3%81%AE%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%9F%E3%83%97%E3%83%AC%E3%83%93%E3%83%A5%E3%83%BC%E8%A1%A8%E7%A4%BA\" title=\"Step 4. \u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u30d7\u30ec\u30d3\u30e5\u30fc\u8868\u793a\">Step 4. \u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u30d7\u30ec\u30d3\u30e5\u30fc\u8868\u793a<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_5_%E8%A6%B3%E5%85%89%E5%9C%B0%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E3%83%AA%E3%82%B9%E3%83%88%E3%81%A8%E3%81%97%E3%81%A6%E7%A9%8D%E3%81%BF%E4%B8%8A%E3%81%92%E3%82%8B\" title=\"Step 5. \u89b3\u5149\u5730\u30c7\u30fc\u30bf\u3092\u30ea\u30b9\u30c8\u3068\u3057\u3066\u7a4d\u307f\u4e0a\u3052\u308b\">Step 5. \u89b3\u5149\u5730\u30c7\u30fc\u30bf\u3092\u30ea\u30b9\u30c8\u3068\u3057\u3066\u7a4d\u307f\u4e0a\u3052\u308b<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_6_%E3%83%AA%E3%82%B9%E3%83%88%E2%87%84%E8%A9%B3%E7%B4%B0%E3%83%93%E3%83%A5%E3%83%BC%E3%81%AE%E3%83%8A%E3%83%93%E3%82%B2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3\" title=\"Step 6. \u30ea\u30b9\u30c8\u21c4\u8a73\u7d30\u30d3\u30e5\u30fc\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\">Step 6. \u30ea\u30b9\u30c8\u21c4\u8a73\u7d30\u30d3\u30e5\u30fc\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_7_%E5%90%84%E8%A6%81%E7%B4%A0%E3%82%92%E5%8B%95%E7%9A%84%E3%81%AA%E3%83%93%E3%83%A5%E3%83%BC%E3%81%AB%E3%81%97%E3%81%A6%E3%81%84%E3%81%8F\" title=\"Step 7. \u5404\u8981\u7d20\u3092\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u306b\u3057\u3066\u3044\u304f\">Step 7. \u5404\u8981\u7d20\u3092\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u306b\u3057\u3066\u3044\u304f<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#Step_8_%E3%83%97%E3%83%AC%E3%83%93%E3%83%A5%E3%83%BC%E7%AB%AF%E6%9C%AB%E3%82%92%E5%A4%89%E3%81%88%E3%82%8B\" title=\"Step 8. \u30d7\u30ec\u30d3\u30e5\u30fc\u7aef\u672b\u3092\u5909\u3048\u308b\">Step 8. \u30d7\u30ec\u30d3\u30e5\u30fc\u7aef\u672b\u3092\u5909\u3048\u308b<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1440\/#%E7%AC%AC2%E5%9B%9E%EF%BC%9A%E3%81%8A%E3%82%8F%E3%82%8A%E3%81%AB\" title=\"\u7b2c2\u56de\uff1a\u304a\u308f\u308a\u306b\">\u7b2c2\u56de\uff1a\u304a\u308f\u308a\u306b<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E6%97%A5%E6%9C%AC%E8%AA%9E%E7%89%88SwiftUI%E3%83%81%E3%83%A5%E3%83%BC%E3%83%88%E3%83%AA%E3%82%A2%E3%83%AB\"><\/span>\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1379\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/0.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"624\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/0.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/0-300x156.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/0-768x399.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/0-1024x532.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\uff0c<a href=\"https:\/\/developer.apple.com\/tutorials\/swiftui\/\" target=\"_blank\" rel=\"noopener noreferrer\">Apple\u304c\u63b2\u8f09\u3057\u3066\u3044\u308b\u516c\u5f0f\u306eSwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a>\u3092\u300c\u65e5\u672c\u8a9e\u3067\u300d\u305d\u3057\u3066\u300c\u8a73\u7d30\u306b\u300d\u89e3\u8aac\u3057\u76f4\u3059\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u8a18\u4e8b\u3067\u3059\uff0e<\/p>\n<p>\u3053\u306e\u624b\u306e\u8a18\u4e8b\u306f\uff0c\u4ed6\u306b\u3082\u4f3c\u305f\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304c\uff0c\u5168\u3066\u3092\u7db2\u7f85\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\uff0c\u90e8\u5206\u7684\u306b\u89e3\u8aac\u3057\u3066\u3044\u308b\u8a18\u4e8b\u304c\u591a\u6570\u3067\u3059\uff0e<\/p>\n<p>\u305d\u3053\u3067\uff0cSwiftUI\u3092\u4f7f\u3063\u3066\u30a2\u30d7\u30ea\u958b\u767a\u3092\u3057\u305f\u3044\u65b9\u3005\u306e\u305f\u3081\u306b\uff0c\u305d\u3057\u3066\u52c9\u5f37\u3057\u3066\u3044\u308b\u81ea\u5206\u81ea\u8eab\u306e\u305f\u3081\u306b\uff0c<strong>\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u5b8c\u5168\u7248<\/strong>\u3092\u66f8\u304d\u307e\u3059\uff0e<\/p>\n<p>\u306a\u304a\uff0c\u672c\u8a18\u4e8b\u306e\u96e3\u6613\u5ea6\u3068\u3057\u3066\u306f\uff0c\u521d\u7d1a\u8005\u3082\u898b\u69d8\u898b\u771f\u4f3c\u3067\u4f5c\u308c\u308b\u3088\u3046\u306b\u306f\u306a\u3063\u3066\u3044\u307e\u3059\u304c\uff0c<strong>\u305d\u308c\u3067\u306f\u7269\u8db3\u308a\u306a\u3044\u3068\u3044\u3046\u4e2d\u7d1a\u8005\u306e\u305f\u3081\u306b\uff0c\u7d30\u304b\u3044\u6587\u6cd5\u7684\u306a\u89e3\u8aac\u3082\u968f\u6240\u306b\u5165\u308c\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059<\/strong>\uff0e<\/p>\n<p>\u6ce8\u610f\u3068\u3057\u3066\uff0c\u672c\u8a18\u4e8b\u306fSwift\u306e\u8a00\u8a9e\u89e3\u8aac\u306f\u3042\u307e\u308a\u542b\u307e\u306a\u3044\u306e\u3067\uff0c\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u5225\u30bf\u30d6\u3067\u958b\u3044\u3066\u304a\u3044\u3066\uff0c\u5206\u304b\u3089\u306a\u3051\u308c\u3070\u9010\u4e00\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<ol>\n<li><a href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1343\/\" target=\"_blank\" rel=\"noopener noreferrer\">Swift\u3092\u89e6\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306e\u305f\u3081\u306eSwift\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb <i class=\"fas fa-external-link-alt\"><\/i><\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>\u3061\u306a\u307f\u306b\u51fa\u6765\u4e0a\u304c\u308b\u30a2\u30d7\u30ea\u306f\uff0c\u4e0a\u56f3\u306b\u793a\u3059\u3088\u3046\u306a<strong>\u89b3\u5149\u5730\u30a2\u30d7\u30ea<\/strong>\u3067\u3059\uff0e<\/p>\n<p>\u5404\u89b3\u5149\u5730\u306e\u4f4d\u7f6e\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u305f\u308a\uff0c\u305d\u306e\u89b3\u5149\u5730\u3092\u304a\u6c17\u306b\u5165\u308a\u306b\u8ffd\u52a0\u3057\u305f\u308a\u3067\u304d\u308b\u30a2\u30d7\u30ea\u3092\u76ee\u6307\u3057\u307e\u3059\uff0e<\/p>\n<p>\u7b2c1\u56de\u306f????<\/p>\n<div style=\"max-width: 450px; height: auto;\"><a href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1375\/\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1430\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/thum1.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"100%\" height=\"auto\" \/><\/a><\/div>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC2%E5%9B%9E%EF%BC%9A%E3%83%AA%E3%82%B9%E3%83%88%E3%81%A8%E3%83%8A%E3%83%93%E3%82%B2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3_~%E5%8B%95%E7%9A%84%E3%81%AA%E3%83%93%E3%83%A5%E3%83%BC%E7%94%9F%E6%88%90~\"><\/span>\u7b2c2\u56de\uff1a\u30ea\u30b9\u30c8\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3 ~\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u751f\u6210~<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7b2c2\u56de\u306f\uff0c\u30ea\u30b9\u30c8\u306e\u751f\u6210\u3068\u30ea\u30f3\u30af\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u89e3\u8aac\u304c\u4e3b\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305f\uff0c\u524d\u56de\u306f\u9759\u7684\u306a\u30d3\u30e5\u30fc\u3057\u304b\u751f\u6210\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304c\uff0c\u4eca\u56de\u306f<strong>\u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u30d3\u30e5\u30fc\u3092\u52d5\u7684\u306b\u751f\u6210\u3059\u308b<\/strong>\uff0c\u3068\u3044\u3063\u305f\u3053\u3068\u3082\u76ee\u6307\u3057\u307e\u3059\uff0e<\/p>\n<p>\u305f\u3060\uff0c\u3053\u3053\u3067\u5148\u306b\u8a00\u3063\u3066\u304a\u304d\u305f\u3044\u306e\u306f\uff0c<strong>Step 1\u3068Step 2\u306fSwiftUI\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3068\u3057\u3066\u306f\uff0c\u5c11\u3057\u30b3\u30a2\u306a\u8a71\u304c\u591a\u304f\uff0c\u305d\u308c\u3092\u3057\u3063\u304b\u308a\u8aad\u307f\u89e3\u304f\u3068\u306a\u308b\u3068\u96e3\u6613\u5ea6\u306f\u9ad8\u3081<\/strong>\u3067\u3059\uff0e<\/p>\n<p>\u8aad\u3093\u3067\u3044\u3066\u5c11\u3057\u3067\u3082\u300c\u3042\uff0c\u632b\u6298\u3057\u305d\u3046\uff01\u300d\u3068\u306a\u3063\u305f\u3089\uff0c<strong>\u8ae6\u3081\u3066\u30b3\u30d4\u30da\u3067\u6e08\u307e\u3057\u3066\u3057\u307e\u3046\u306e\u826f\u3044\u624b<\/strong>\u3060\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u5b8c\u6210\u3055\u305b\u308b\uff0c\u3053\u308c\u3092\u7b2c\u4e00\u76ee\u6a19\u306b\u3057\u3066\u9811\u5f35\u3063\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_%E3%83%A2%E3%83%87%E3%83%AB%E3%82%92%E4%BD%9C%E3%82%8B\"><\/span>Step 1. \u30e2\u30c7\u30eb\u3092\u4f5c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30a2\u30d7\u30ea\u958b\u767a\u306b\u304a\u3044\u3066\u30e2\u30c7\u30eb (Model) \u306f\u91cd\u8981\u306a\u30d1\u30fc\u30c4\u3067\u3059\uff0e<\/p>\n<p>MVC\u30e2\u30c7\u30eb (<span style=\"text-decoration: underline;\">M<\/span>odel <span style=\"text-decoration: underline;\">V<\/span>iew <span style=\"text-decoration: underline;\">C<\/span>ontroller) \u306eM\u306b\u3042\u305f\u308a\u307e\u3059\uff0e<\/p>\n<p>\u30e2\u30c7\u30eb\u306f\uff0c\u305d\u306e\u540d\u306e\u901a\u308a<strong>\u3072\u3068\u3064\u306e\u30c7\u30fc\u30bf\u306e\u96c6\u307e\u308a<\/strong>\u3092\u793a\u3057\u3066\u304a\u308a\uff0c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u3069\u3068\u9023\u643a\u3057\u3066\uff0c<strong>\u30d3\u30e5\u30fc\u3084\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u5074\u304c\u30c7\u30fc\u30bf\u3092\u6271\u3044\u3084\u3059\u304f\u3059\u308b\u5f79\u5272<\/strong>\u3092\u62c5\u3044\u307e\u3059\uff0e<\/p>\n<p>\u4eca\u56de\u4f5c\u308b\u30a2\u30d7\u30ea\u3067\u306f\uff0c\u89b3\u5149\u5730\u3072\u3068\u3064\u3072\u3068\u3064\u3092\u793a\u3059\u30e2\u30c7\u30eb\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u307e\u305a\u306f<strong>Models\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/strong>\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>File &gt; New &gt; Group \u304b\u3089\u4f5c\u6210\u3067\u304d\u307e\u3059\uff0e<\/p>\n<p>\u305d\u306e\u3042\u3068\uff0cModels\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u65b0\u3057\u304f\u300cLandmark.swift\u300d\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:swift decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct Landmark{\r\n\r\n}<\/pre>\n<p>\u30e2\u30c7\u30eb\u306f\u901a\u5e38\uff0c\u69cb\u9020\u4f53\u3084\u30af\u30e9\u30b9\u3092\u7528\u3044\u3066\u4f5c\u6210\u3057\u307e\u3059\uff0e(\u30e2\u30c7\u30eb\u306b\u30d7\u30ec\u30d3\u30e5\u30fc\u306f\u5fc5\u8981\u306a\u3044\u306e\u3067\u6d88\u3057\u3061\u3083\u3063\u3066\u304f\u3060\u3055\u3044)<\/p>\n<p>\u307e\u3060\u7a7a\u3063\u307d\u3067\u3059\u304c\uff0c\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u307e\u305a\uff0c<strong>\u4f55\u304c\u30e2\u30c7\u30eb\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5fc5\u8981\u304b<\/strong>\u3092\u8003\u3048\u307e\u3059\uff0e<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u305f\u30e2\u30c7\u30eb\u3092\u8003\u3048\u3066\u307f\u308b\u3053\u3068\u3068\u3057\u307e\u3059\uff0e<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1453\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-1.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1024\" height=\"442\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-1.png 1024w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-1-300x129.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-1-768x332.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u7d20\u76f4\u306b\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct Landmark{\r\n    var id: Int\r\n    var name: String\r\n    var imageName: String\r\n    var coordinates: Coordinates\r\n    var state: String\r\n    var park: String\r\n    var category: Category\r\n    \r\n    enum Category: String, CaseIterable{\r\n        case featured = \"Featured\"\r\n        case lakes = \"Lakes\"\r\n        case rivers = \"Rivers\"\r\n        case mountains= \"Mountains\"\r\n    }\r\n}\r\n\r\nstruct Coordinates {\r\n    var latitude: Double\r\n    var longitude: Double\r\n}<\/pre>\n<p>\u3053\u306e\u3068\u304d\uff0c\u6271\u3044\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\uff0c\u5ea7\u6a19\u3068\u30ab\u30c6\u30b4\u30ea\u306f\u5225\u3067\u69cb\u9020\u4f53\uff0c\u5217\u6319\u578b (enum) \u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u304a\u304d\u307e\u3059\uff0e<\/p>\n<p><span style=\"color: #808080;\">(\u3053\u3053\uff0c\u672c\u5bb6\u3060\u3068<span class=\"lang:swift decode:true crayon-inline \">case mountains= \"Mountains\"<\/span> \u304c\u7121\u304f\u3066\uff0c\u305d\u306e\u307e\u307e\u9032\u3081\u308b\u3068\u300cLandmark.app may have crashed\u300d\u3059\u308b\u306e\u3067\u6c17\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\uff01)<\/span><\/p>\n<p>enum\u306b\u3064\u3044\u3066\u3044\u308b\uff0c<span class=\"lang:swift decode:true crayon-inline \">CaseIterable<\/span> \u306f\u305d\u306e\u540d\u306e\u901a\u308a\uff0c\u5168\u30b1\u30fc\u30b9\u3092<span class=\"lang:swift decode:true crayon-inline \">Category.allCases<\/span>\u00a0\u3067\u914d\u5217\u3068\u3057\u3066\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u4fbf\u5229\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\uff0e<\/p>\n<p>\u305d\u3057\u3066\uff0c\u5ea7\u6a19\u30c7\u30fc\u30bf\u3092\u3055\u3089\u306b\u6271\u3044\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\uff0c<span class=\"lang:swift decode:true crayon-inline \">CoreLocation<\/span> \u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u63d0\u4f9b\u3059\u308b\uff0c\u7d4c\u7def\u5ea6\u5ea7\u6a19\u7cfb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<span class=\"lang:swift decode:true crayon-inline \">CLLocationCoordinate2D<\/span>\u00a0\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3059\uff0e<br \/>\n<span style=\"color: #999999;\">(\u3053\u3053\u306f\u6df1\u304f\u7406\u89e3\u3057\u3088\u3046\u3068\u3057\u306a\u304f\u3066\u826f\u3044\u30dd\u30a4\u30f3\u30c8)<\/span><\/p>\n<pre class=\"lang:swift mark:5,10-14 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct Landmark{\r\n    var id: Int\r\n    var name: String\r\n    var imageName: String\r\n    fileprivate var coordinates: Coordinates\r\n    var state: String\r\n    var park: String\r\n    var category: Category\r\n    \r\n    var locationCoordinate: CLLocationCoordinate2D {\r\n        CLLocationCoordinate2D(\r\n            latitude: coordinates.latitude,\r\n            longitude: coordinates.longitude)\r\n    }\r\n    \r\n    enum Category: String, CaseIterable{\r\n        case featured = \"Featured\"\r\n        case lakes = \"Lakes\"\r\n        case rivers = \"Rivers\"\r\n        case mountains= \"Mountains\"\r\n    }\r\n}<\/pre>\n<p>\u3053\u306e\u3068\u304d\uff0c\u3082\u3068\u3082\u3068\u306e\u5ea7\u6a19\u30c7\u30fc\u30bf<span class=\"lang:swift decode:true crayon-inline \">coordinates<\/span> \u306f\uff0c\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u9593\u9055\u3063\u3066\u547c\u3073\u51fa\u3057\u304c\u3055\u308c\u306a\u3044\u3088\u3046\u306b<span class=\"lang:swift decode:true crayon-inline \">fileprivate<\/span>\u00a0<a href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1343\/#_class\">\u30a2\u30af\u30bb\u30b9\u4fee\u98fe\u5b50<\/a>\u3092\u3064\u3051\u3066\u304a\u304d\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305f\uff0c\u753b\u50cf\u3082\u753b\u50cf\u540d\u3060\u3051\u3060\u3068\uff0c\u3069\u3046\u306b\u3082\u306a\u3089\u306a\u3044\u306e\u3067\uff0c<span class=\"lang:swift decode:true crayon-inline \">Image<\/span>\u00a0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u6271\u3048\u308b\u3088\u3046\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u8ffd\u52a0\u3057\u3066\u304a\u304d\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:4,23-27 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct Landmark{\r\n    var id: Int\r\n    var name: String\r\n    fileprivate var imageName: String\r\n    fileprivate var coordinates: Coordinates\r\n    var state: String\r\n    var park: String\r\n    var category: Category\r\n    \r\n    var locationCoordinate: CLLocationCoordinate2D {\r\n        CLLocationCoordinate2D(\r\n            latitude: coordinates.latitude,\r\n            longitude: coordinates.longitude)\r\n    }\r\n    \r\n    enum Category: String, CaseIterable{\r\n        case featured = \"Featured\"\r\n        case lakes = \"Lakes\"\r\n        case rivers = \"Rivers\"\r\n        case mountains= \"Mountains\"\r\n    }\r\n}\r\n\r\nextension Landmark {\r\n    var image: Image {\r\n        ImageStore.shared.image(name: imageName)\r\n    }\r\n}<\/pre>\n<p>\u3053\u3053\u3067\u306f\uff0c<span class=\"lang:swift decode:true crayon-inline \">extension<\/span>\u00a0\u3067<span class=\"lang:swift decode:true crayon-inline \">Landmark<\/span> \u69cb\u9020\u4f53\u306b\u8ffd\u52a0\u3059\u308b\u5f62\u3067\u5b9a\u7fa9\u3057\u3066\u307f\u307e\u3057\u305f\u304c\uff0c\u5225\u306b\u6700\u521d\u304b\u3089\u5185\u90e8\u3067\u5b9a\u7fa9\u3057\u3066\u3082\u7279\u306b\u5909\u308f\u3089\u306a\u3044\u306f\u305a\u3067\u3059\uff0e<\/p>\n<p>\u307e\u305f\uff0c\u3053\u306e\u3068\u304d\u3082\u753b\u50cf\u540d\u3092\u793a\u3059\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u4f7f\u308f\u306a\u3044\u306e\u3067\uff0c<span class=\"lang:swift decode:true crayon-inline \">fileprivate<\/span>\u00a0\u3067\u96a0\u853d\u3057\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u3067\uff0c<strong>\u5b9f\u306f\u3053\u3053\u3067<span class=\"lang:swift decode:true crayon-inline \">ImageStore.shared.image(...)<\/span>\u00a0\u304c\u89e3\u6c7a\u3067\u304d\u306a\u304f\u3066\u6012\u3089\u308c\u307e\u3059<\/strong>\uff0e<\/p>\n<p>\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\uff0c\u753b\u50cf\u540d\u304b\u3089\u30a4\u30e1\u30fc\u30b8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u30af\u30e9\u30b9\u5b9a\u7fa9\u306e\u89e3\u8aac\u3092\u7aef\u6298\u3063\u3066\u3044\u308b\u3093\u3067\u3059\u3088\u306d\uff0e<\/p>\n<p>\u305d\u306e\u8a71\u306f\u3053\u306e\u5f8c\u3067\u8aac\u660e\u3057\u307e\u3059\u304c\uff0c<strong>\u307e\u305a\u306f\u30e2\u30c7\u30eb\u306e\u5927\u67a0\u3092\u5b8c\u6210\u3055\u305b\u307e\u3057\u3087\u3046<\/strong>\uff0e<\/p>\n<p>\u672c\u30e2\u30c7\u30eb\u306fResources\u5185\u306b\u3042\u308b\u4ee5\u4e0b\u306e\u3088\u3046\u306a<strong>JSON\u30c7\u30fc\u30bf\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u3063\u3066\uff0c\u4eca\u4f5c\u3063\u305f\u30e2\u30c7\u30eb\u3092\u3082\u3068\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b<\/strong>\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:python decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">[\r\n    {\r\n        \"name\": \"Turtle Rock\",\r\n        \"category\": \"Rivers\",\r\n        \"city\": \"Twentynine Palms\",\r\n        \"state\": \"California\",\r\n        \"id\": 1001,\r\n        \"isFeatured\": true,\r\n        \"isFavorite\": true,\r\n        \"park\": \"Joshua Tree National Park\",\r\n        \"coordinates\": {\r\n            \"longitude\": -116.166868,\r\n            \"latitude\": 34.011286\r\n        },\r\n        \"imageName\": \"turtlerock\"\r\n    },\r\n    {\r\n        \"name\": \"Silver Salmon Creek\",\r\n        \"category\": \"Lakes\",\r\n        \"city\": \"Port Alsworth\",\r\n        \"state\": \"Alaska\",\r\n        \"id\": 1002,\r\n        \"isFeatured\": false,\r\n        \"isFavorite\": false,\r\n        \"park\": \"Lake Clark National Park and Preserve\",\r\n        \"coordinates\": {\r\n            \"longitude\": -152.665167,\r\n            \"latitude\": 59.980167\r\n        },\r\n        \"imageName\": \"silversalmoncreek\"\r\n    },\r\n    ....\r\n]<\/pre>\n<p>\u305d\u308c\u3092\uff0c\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\uff0c\u30e2\u30c7\u30eb\u306b\u3044\u304f\u3064\u304b\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4ed8\u4e0e\u3057\u3066\u3044\u304d\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:1,17,31 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct Landmark: Hashable, Codable{\r\n    \r\n    var id: Int\r\n    var name: String\r\n    fileprivate var imageName: String\r\n    fileprivate var coordinates: Coordinates\r\n    var state: String\r\n    var park: String\r\n    var category: Category\r\n    \r\n    var locationCoordinate: CLLocationCoordinate2D {\r\n        CLLocationCoordinate2D(\r\n            latitude: coordinates.latitude,\r\n            longitude: coordinates.longitude)\r\n    }\r\n    \r\n    enum Category: String, CaseIterable, Hashable, Codable{\r\n        case featured = \"Featured\"\r\n        case lakes = \"Lakes\"\r\n        case rivers = \"Rivers\"\r\n        case mountains= \"Mountains\"\r\n    }\r\n}\r\n\r\nextension Landmark {\r\n    var image: Image {\r\n        ImageStore.shared.image(name: imageName)\r\n    }\r\n}\r\n\r\nstruct Coordinates: Hashable, Codable {\r\n    var latitude: Double\r\n    var longitude: Double\r\n}<\/pre>\n<p><span class=\"lang:swift decode:true crayon-inline \">Hashable<\/span>\u00a0\u306f\u81ea\u52d5\u3067\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u751f\u6210\u3057\u3066\u304f\u308c\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\uff0c<span class=\"lang:swift decode:true crayon-inline \">Codable<\/span>\u00a0\u306fJSON\u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3059\u308b\u969b\u306b\u5f79\u7acb\u3064\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\uff0e<\/p>\n<p>\u3068\u3044\u3063\u3066\u3082\uff0c\u30d4\u30f3\u3068\u3053\u306a\u3044\u3068\u601d\u3046\u306e\u3067\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\uff0c\u300c\u305d\u3046\u3044\u3046\u3082\u3093\u306a\u3093\u3060\u306a\u300d\u3068\u601d\u3063\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Srep_2_%E3%83%87%E3%83%BC%E3%82%BF%E5%87%A6%E7%90%86%E9%83%A8\"><\/span>Srep 2. \u30c7\u30fc\u30bf\u51e6\u7406\u90e8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3055\u3066\uff0c\u3053\u3053\u306f\u672c\u5bb6\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u306f\u3042\u308a\u307e\u305b\u3093\u304c\uff0c\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\uff0e<\/p>\n<p>\u30b3\u30fc\u30c9\u304c\u8907\u96d1\u306a\u306e\u3068\uff0cSwiftUI\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u8981\u3089\u306a\u3044\u3068\u5224\u65ad\u3055\u308c\u305f\u306e\u304b\uff0c<strong>\u672c\u5bb6\u3067\u306f\u4f5c\u3063\u3066\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u30dd\u30f3\u3068\u6e21\u3059\u3060\u3051<\/strong>\u3067\u3057\u305f\u304c\uff0c\u3053\u3053\u3067\u306f\u5c11\u3057\u3060\u3051\u89e3\u8aac\u3092\u3057\u3066\u307f\u3088\u3046\u304b\u306a\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305a\u306f\u30b3\u30fc\u30c9\u5168\u8c8c\u3092\u898b\u305b\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import UIKit\r\nimport SwiftUI\r\nimport CoreLocation\r\n\r\nlet landmarkData: [Landmark] = load(\"landmarkData.json\")\r\n\r\nfunc load&lt;T: Decodable&gt;(_ filename: String) -&gt; T {\r\n    let data: Data\r\n    \r\n    guard let file = Bundle.main.url(forResource: filename, withExtension: nil)\r\n        else {\r\n            fatalError(\"Couldn't find \\(filename) in main bundle.\")\r\n    }\r\n    \r\n    do {\r\n        data = try Data(contentsOf: file)\r\n    } catch {\r\n        fatalError(\"Couldn't load \\(filename) from main bundle:\\n\\(error)\")\r\n    }\r\n    \r\n    do {\r\n        let decoder = JSONDecoder()\r\n        return try decoder.decode(T.self, from: data)\r\n    } catch {\r\n        fatalError(\"Couldn't parse \\(filename) as \\(T.self):\\n\\(error)\")\r\n    }\r\n}\r\n\r\nfinal class ImageStore {\r\n    typealias _ImageDictionary = [String: CGImage]\r\n    fileprivate var images: _ImageDictionary = [:]\r\n\r\n    fileprivate static var scale = 2\r\n    \r\n    static var shared = ImageStore()\r\n    \r\n    func image(name: String) -&gt; Image {\r\n        let index = _guaranteeImage(name: name)\r\n        \r\n        return Image(images.values[index], scale: CGFloat(ImageStore.scale), label: Text(name))\r\n    }\r\n\r\n    static func loadImage(name: String) -&gt; CGImage {\r\n        guard\r\n            let url = Bundle.main.url(forResource: name, withExtension: \"jpg\"),\r\n            let imageSource = CGImageSourceCreateWithURL(url as NSURL, nil),\r\n            let image = CGImageSourceCreateImageAtIndex(imageSource, 0, nil)\r\n        else {\r\n            fatalError(\"Couldn't load image \\(name).jpg from main bundle.\")\r\n        }\r\n        return image\r\n    }\r\n    \r\n    fileprivate func _guaranteeImage(name: String) -&gt; _ImageDictionary.Index {\r\n        if let index = images.index(forKey: name) { return index }\r\n        \r\n        images[name] = ImageStore.loadImage(name: name)\r\n        return images.index(forKey: name)!\r\n    }\r\n}\r\n<\/pre>\n<p>\u3068\u308a\u3042\u3048\u305a\uff0c<strong>Models\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\uff0cData.swift\u3092\u65b0\u305f\u306b\u4f5c\u6210\u3057\uff0c\u4ee5\u4e0a\u3092\u30b3\u30d4\u30da\u3057\u3066\u304f\u3060\u3055\u3044<\/strong>\uff0e<\/p>\n<p>\u3061\u306a\u307f\u306b\uff0c\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3060\u3051\u3067\u4ee5\u4e0b\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\uff0e<\/p>\n<ol>\n<li>JSON\u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210<\/li>\n<li>\u753b\u50cf\u540d\u304b\u3089\u30a4\u30e1\u30fc\u30b8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210<\/li>\n<\/ol>\n<hr \/>\n<p>...<\/p>\n<p>\u3055\u3066\uff0c<strong>\u3053\u3053\u304b\u3089\u306f\u30b3\u30fc\u30c9\u306e\u89e3\u8aac<\/strong>\u306b\u306a\u308a\u307e\u3059\uff0c\u98db\u3070\u3057\u3066\u69cb\u3044\u307e\u305b\u3093\uff0e(???? <a href=\"#Step_3\">\u98db\u3070\u3059\u5834\u5408\u306f\u3053\u3061\u3089<\/a>)<\/p>\n<p>\u3068\u8a00\u3063\u3066\u3082\uff0c\u5168\u3066\u306f\u89e3\u8aac\u3057\u304d\u308c\u307e\u305b\u3093\u304c\uff0c<strong>\u77e5\u8b58\u306b\u8caa\u6b32\u306a\u307f\u306a\u3055\u307e\u306b\u5411\u3051\u3066<\/strong>\u3061\u3087\u3063\u3068\u3060\u3051\uff0e<\/p>\n<pre class=\"lang:swift decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">let landmarkData: [Landmark] = load(\"landmarkData.json\")<\/pre>\n<p>\u3053\u308c\u306f\uff0cJSON\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067\uff0c<span class=\"lang:swift decode:true crayon-inline \">Landmark<\/span>\u00a0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u914d\u5217\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u306d\uff0e<\/p>\n<p>\u305f\u3060\uff0c\u3053\u306e<span class=\"lang:swift decode:true crayon-inline \">load(...)<\/span>\u00a0\u306f\u6a19\u6e96\u3067\u3042\u308b\u95a2\u6570\u3067\u306f\u306a\u3044\u306e\u3067\uff0c\u305d\u306e\u4e0b\u3067\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u306d\uff0e<\/p>\n<pre class=\"lang:swift decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">func load&lt;T: Decodable&gt;(_ filename: String) -&gt; T {  \/\/ \u30e9\u30d9\u30eb\u306a\u3057\u3067\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b\r\n    let data: Data\r\n    \r\n    \/\/ \u53d7\u3051\u53d6\u3063\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u304b\u3089URL?\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\r\n    \/\/ URL\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u305f\u3060\u306e\u6587\u5b57\u5217\u3092\u6301\u3064\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u306f\u306a\u304f\uff0cURL\u64cd\u4f5c\u304c\u5bb9\u6613\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\r\n    guard let file = Bundle.main.url(forResource: filename, withExtension: nil)\r\n        else {  \/\/ guard-else\u6587\u306fnil\u306b\u306a\u3063\u305f\u3068\u304delse\u306b\u306a\u308b\u3088\u3046\u306a\u69cb\u6587\r\n            fatalError(\"Couldn't find \\(filename) in main bundle.\")\r\n    }\r\n    \r\n    \/\/ URL\u304b\u3089Data\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\r\n    do {\r\n        data = try Data(contentsOf: file)\r\n    } catch {\r\n        fatalError(\"Couldn't load \\(filename) from main bundle:\\n\\(error)\")\r\n    }\r\n    \r\n    \/\/ \u3055\u3089\u306bJSON\u30c7\u30fc\u30bf\u304b\u3089\u306e\u5909\u63db\u3092\u8a66\u307f\u308b\r\n    do {\r\n        let decoder = JSONDecoder()\r\n        \/\/ \u3082\u3057\u6210\u529f\u3059\u308c\u3070\uff0c\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u3068\u3057\u3066\u53d7\u3051\u53d6\u3063\u305fDecodable\u306a\u30af\u30e9\u30b9\u30fb\u69cb\u9020\u4f53&lt;T&gt;\u3092\u30c7\u30b3\u30fc\u30c9\u3057\u3066\u8fd4\u3059\r\n        return try decoder.decode(T.self, from: data)\r\n    } catch {\r\n        fatalError(\"Couldn't parse \\(filename) as \\(T.self):\\n\\(error)\")\r\n    }\r\n}<\/pre>\n<p>\u968f\u6240\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u633f\u5165\u3057\u3066\u307f\u307e\u3057\u305f\uff0e<\/p>\n<p>\u3053\u306e\u95a2\u6570\u306e<span class=\"lang:swift decode:true crayon-inline \">func load&lt;T: Decodable&gt;<\/span> \u3068\u3044\u3063\u305f\u5b9a\u7fa9\u306f\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u3068\u8a00\u3044\uff0c\u3053\u306e\u5834\u5408<span class=\"lang:swift decode:true crayon-inline \">Decodable<\/span> \u306a\u30af\u30e9\u30b9\u3084\u69cb\u9020\u4f53\u3092<span class=\"lang:swift decode:true crayon-inline \">T<\/span>\u00a0\u3068\u3044\u3046\u540d\u524d\u3067\u7f6e\u304d\u63db\u3048\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>\u3061\u306a\u307f\u306b\uff0c<span class=\"lang:swift decode:true crayon-inline\">Codable = Encodable + Decodable<\/span> \u3068\u3044\u3046\u5b9a\u7fa9\u306b\u306a\u3063\u3066\u3044\u3066\uff0c\u4eca\u56de\u306f<span class=\"lang:swift decode:true crayon-inline \">T = Landmark<\/span>\u00a0\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n<p>\u305d\u306e\u4ed6\uff0c\u500b\u3005\u306e\u6a19\u6e96\u3067\u3042\u308b\u3082\u306e\u306b\u3064\u3044\u3066\u306f\u89e3\u8aac\u3057\u307e\u305b\u3093\u304c\uff0c\u3084\u3063\u3066\u3044\u308b\u51e6\u7406\u306f\u306a\u3093\u3068\u306a\u304f\u5206\u304b\u3063\u305f\u304b\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<p>\u7d30\u304b\u304f\u8aad\u3093\u3067\u307f\u308b\u3068\uff0c\u5927\u3057\u305f\u51e6\u7406\u306f\u3057\u3066\u3044\u307e\u305b\u3093\u306d\uff0e<\/p>\n<p>\u6b21\u306f<strong>\u753b\u50cf\u306e\u51e6\u7406\u90e8<\/strong>\u3067\u3059\uff0c\u3053\u3061\u3089\u306e\u65b9\u304c\u8aad\u3080\u306e\u306f\u96e3\u3057\u3044\u3067\u3059\uff0e<\/p>\n<p>\u307e\u305a\u306f\u30d7\u30ed\u30d1\u30c6\u30a3\u304b\u3089\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<pre class=\"lang:swift decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">\/\/ \u7d99\u627f\u3057\u306a\u3044\u306e\u3067 final\r\nfinal class ImageStore {\r\n    \/\/ Key: String =&gt; CGImage \u3068\u306a\u308b\u3088\u3046\u306a\u8f9e\u66f8\u578b\u3092\u5b9a\u7fa9\r\n    typealias _ImageDictionary = [String: CGImage]\r\n    \r\n    \/\/ image\u3092\u5148\u306e\u8f9e\u66f8\u578b\u306e\u7a7a\u914d\u5217\u3068\u3057\u3066\u521d\u671f\u5316\r\n    fileprivate var images: _ImageDictionary = [:]\r\n\r\n    \/\/ \u753b\u50cf\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u5b9a\u6570 (\u524d\u56de 2x \u306b\u30b9\u30b1\u30fc\u30eb\u3057\u305f\u306e\u3067)\r\n    fileprivate static var scale = 2\r\n    \r\n    \/\/ \u30b7\u30f3\u30b0\u30eb\u30c8\u30f3 (\u3053\u306e\u30af\u30e9\u30b9\u3067\u751f\u6210\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f1\u3064\u3060\u3051\u306b\u5236\u9650\u3059\u308b\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3) \u3092\u5b9a\u7fa9\r\n    \/\/ \u3053\u308c\u3092\u3059\u308b\u305f\u3081\u306b\uff0c\u5024\u578b\u306e\u69cb\u9020\u4f53\u3067\u306f\u306a\u304f\u53c2\u7167\u578b\u306e\u30af\u30e9\u30b9\u306b\u3057\u305f\u3068\u601d\u308f\u308c\u308b\r\n    static var shared = ImageStore()\r\n\r\n    ....\r\n}<\/pre>\n<p>\u3053\u3061\u3089\u3082\u30b3\u30e1\u30f3\u30c8\u3067\u7c21\u5358\u306b\u89e3\u8aac\u3092\u3064\u3051\u307e\u3057\u305f\uff0e<\/p>\n<p>\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u306b\u3064\u3044\u3066\u306f\uff0c\u8a73\u7d30\u306f\u5404\u81ea\u8abf\u3079\u3066\u304f\u3060\u3055\u3044\uff0c\u3053\u3053\u3067\u306f\u6df1\u304f\u89e3\u8aac\u3057\u307e\u305b\u3093\uff0e<\/p>\n<p>\u6b21\u306b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\uff0e<\/p>\n<pre class=\"lang:swift decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">    \/\/ 3. \u753b\u50cf\u540d\u304b\u3089Image\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\r\n    func image(name: String) -&gt; Image {\r\n        \/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53d6\u5f97 (&amp; \u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u767b\u9332)\r\n        let index = _guaranteeImage(name: name)\r\n        \r\n        \/\/ CGImage\u304b\u3089\uff0c\u52a0\u5de5\u3057\u305fImage\u3092\u8fd4\u3059\r\n        return Image(images.values[index], scale: CGFloat(ImageStore.scale), label: Text(name))\r\n    }\r\n\r\n    \/\/ 1. \u753b\u50cf\u540d\u304b\u3089CGImage (CoreGraphics Image) \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u30e1\u30bd\u30c3\u30c9\r\n    static func loadImage(name: String) -&gt; CGImage {\r\n        guard\r\n            \/\/ URL\u3068\u3057\u3066\u8aad\u307f\u8fbc\u307f\r\n            let url = Bundle.main.url(forResource: name, withExtension: \"jpg\"),\r\n            \/\/ URL\u304b\u3089CGImageSource\u3092\u751f\u6210\r\n            let imageSource = CGImageSourceCreateWithURL(url as NSURL, nil),\r\n            \/\/ Source\u306e\u5148\u982d\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u3042\u308b\u753b\u50cf\u30c7\u30fc\u30bf\u3092CGImage\u3068\u3057\u3066\u53d6\u5f97\r\n            let image = CGImageSourceCreateImageAtIndex(imageSource, 0, nil)\r\n        else {\r\n            \/\/ \u3069\u3053\u304b\u3067nil\u306a\u3089\u30a8\u30e9\u30fc\r\n            fatalError(\"Couldn't load image \\(name).jpg from main bundle.\")\r\n        }\r\n        return image\r\n    }\r\n\r\n    \/\/ 2. \u753b\u50cf\u540d\u304b\u3089\u8f9e\u66f8\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\r\n    fileprivate func _guaranteeImage(name: String) -&gt; _ImageDictionary.Index {\r\n        \/\/ \u3082\u3057\u8f9e\u66f8\u306b\u30ad\u30fc(\u753b\u50cf\u540d)\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u305f\u3089\uff0c\u305d\u306e\u307e\u307e\u305d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3059\r\n        if let index = images.index(forKey: name) { return index }\r\n        \r\n        \/\/ \u305d\u3046\u3067\u306a\u3051\u308c\u3070\uff0c\u8f9e\u66f8\u306b\u767b\u9332\u3057\u305f\u5f8c\uff0c\u305d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3059\r\n        images[name] = ImageStore.loadImage(name: name)\r\n        return images.index(forKey: name)!\r\n    }<\/pre>\n<p>\u3053\u308c\u3082\uff0c\u30b3\u30e1\u30f3\u30c8\u3067\u7c21\u5358\u306b\u89e3\u8aac\u3092\u3064\u3051\u307e\u3057\u305f\uff0e<\/p>\n<p>\u30b3\u30fc\u30c9\u3092\u8aad\u3080\u9806\u756a\u306f\u95a2\u6570\u4e0a\u90e8\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u8fbf\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p>SwiftUI\u306b\u306f\uff0c\u3044\u304f\u3064\u304b\u753b\u50cf\u3092\u6271\u3046\u30af\u30e9\u30b9\u304c\u3042\u308a\u307e\u3059\u304c\uff0c<span class=\"lang:swift decode:true crayon-inline \">CGImage<\/span>\u00a0\u306f\u753b\u50cf\u51e6\u7406\u7528\uff0c<span class=\"lang:swift decode:true crayon-inline \">Image<\/span> \u306f\u52a0\u5de5\u6e08\u307f\u3067\uff0c\u304b\u3064\u30d3\u30e5\u30fc\u3067\u6271\u3046\u305f\u3081\u306e\u3082\u306e\uff0c\u3068\u3044\u3046\u8a8d\u8b58\u3067\u826f\u3044\u304b\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_%E3%83%AA%E3%82%B9%E3%83%88%E3%83%93%E3%83%A5%E3%83%BC%E3%82%92%E4%BD%9C%E3%82%8B%E5%89%8D%E3%81%AB%E6%A7%8B%E6%88%90%E8%A6%81%E7%B4%A0%E3%82%92%E4%BD%9C%E3%82%8B\"><\/span>Step 3. \u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\u3092\u4f5c\u308b\u524d\u306b\u69cb\u6210\u8981\u7d20\u3092\u4f5c\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u307e\u305a\u306f\u3058\u3081\u306b\uff0c\u300cContentView.swift\u300d\u3092\u300cLandmarkDetail.swift\u300d\u306b\u5909\u66f4\u3057\u3066\u304a\u304d\u307e\u3059\uff0e<\/p>\n<p>\u3053\u306e\u3068\u304d\u69cb\u9020\u4f53\u540d\u3082\u305d\u308c\u306b\u5909\u3048\u3066\u6b32\u3057\u3044\u306e\u3067\u3059\u304c\uff0cXcode\u306e<strong>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd<\/strong>\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u5909\u66f4\u3057\u305f\u3044\u7269\u306b\u30ab\u30fc\u30bd\u30eb\u3092\u5f53\u3066\u3066 (\u4eca\u56de\u306f <span class=\"lang:swift decode:true crayon-inline \">struct ContentView<\/span> )\uff0cEditor &gt; Refactor &gt; Rename \u3067\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u4e00\u65e6\u305d\u308c\u306f\u7f6e\u3044\u3066\u304a\u3044\u3066\u65b0\u305f\u306b\u300cLandmarkRow.swift\u300d\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\uff0e<\/p>\n<p>\u3053\u308c\u306f\uff0c<strong>\u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u4e00\u3064\u4e00\u3064\u306e\u884c\u30c7\u30fc\u30bf\u3092\u69cb\u6210\u3059\u308b\u69cb\u9020\u4f53\u3092\u4f5c\u308b<\/strong>\u305f\u3081\u3067\u3059\uff0e<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1304\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/3.png\" alt=\"\u4ed6\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u666e\u6bb5\u4f7f\u3046\u4eba\u306e\u305f\u3081\u306e\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"832\" height=\"572\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/3.png 832w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/3-300x206.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/3-768x528.png 768w\" sizes=\"(max-width: 832px) 100vw, 832px\" \/><\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u5148\u307b\u3069JSON\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3067\u751f\u6210\u3057\u305f\uff0c\u89b3\u5149\u5730\u30e2\u30c7\u30eb\u4f7f\u3046\u305f\u3081\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:4 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct LandmarkRow: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        Text(\"Hello, World!\")\r\n    }\r\n}\r\n\r\nstruct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkRow()\r\n    }\r\n}<\/pre>\n<p>\u305f\u3060\uff0c\u3053\u306e\u307e\u307e\u3067\u306f\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u8868\u793a\u3055\u308c\u307e\u305b\u3093\uff0e<\/p>\n<p>\u30d7\u30ec\u30d3\u30e5\u30fc\u3068\u3057\u305f\u3089\uff0c\u300c\u3069\u306e\u89b3\u5149\u5730\u30c7\u30fc\u30bf\u3092\u4f7f\u3048\u3070\u826f\u3044\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u72b6\u614b\u3060\u304b\u3089\u3067\u3059\uff0e<\/p>\n<p>\u306a\u306e\u3067\uff0c\u4eee\u3067\u4e00\u3064\u76ee\u306e\u30c7\u30fc\u30bf\u3092\u6e21\u3057\u3066\u304a\u3044\u3066\uff0c\u5b9f\u88c5\u3057\u3066\u3044\u304d\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:13 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct LandmarkRow: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        Text(\"Hello, World!\")\r\n    }\r\n}\r\n\r\nstruct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkRow(landmark: landmarkData[0])\r\n    }\r\n}<\/pre>\n<p>\u3053\u308c\u3067\uff0c\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306f\u305a\u3067\u3059\uff0e<br \/>\n<span style=\"color: #808080;\">\u203b\u3053\u3053\u3067\u300cLandmark.app may have crashed (\u2252JSON\u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u308c\u306a\u3044\u30a8\u30e9\u30fc)\u300d\u3057\u305f\u3089\uff0cModels &gt; Landmark.swift\u306b\uff0c<span class=\"lang:swift decode:true crayon-inline\">case mountains = \"Mountains\"<\/span> \u304c\u7121\u3044\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059<\/span><\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\u65e9\u901f\uff0c\u89b3\u5149\u5730\u30c7\u30fc\u30bf\u304c\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff0e<\/p>\n<pre class=\"lang:swift mark:7 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct LandmarkRow: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        Text(landmark.name)\r\n    }\r\n}\r\n\r\nstruct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkRow(landmark: landmarkData[0])\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1470\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-2.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-2.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-2-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-2-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-2-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u554f\u984c\u306a\u3055\u305d\u3046\u3067\u3059\u306d\uff01<\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u30c7\u30b6\u30a4\u30f3\u3092\u6574\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:swift mark:5,7 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        HStack{\r\n            Text(landmark.name)\r\n        }\r\n    }\r\n}<\/pre>\n<pre class=\"lang:swift mark:6,8 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        HStack{\r\n            landmark.image\r\n            Text(landmark.name)\r\n            Spacer()\r\n        }\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1472\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-3.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-3.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-3-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-3-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-3-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<pre class=\"lang:swift mark:7,8 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        HStack{\r\n            landmark.image\r\n                .resizable()\r\n                .frame(width: 50, height: 50)\r\n            Text(landmark.name)\r\n            Spacer()\r\n        }\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1473\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-4-e1597975414158.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" \/><\/p>\n<p>\u7406\u60f3\u7684\u306a\u30c7\u30b6\u30a4\u30f3\u306b\u4ed5\u4e0a\u304c\u308a\u307e\u3057\u305f\uff0e<br \/>\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-7123758399787647\" data-ad-slot=\"1665651601\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_%E8%A4%87%E6%95%B0%E3%81%AE%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%9F%E3%83%97%E3%83%AC%E3%83%93%E3%83%A5%E3%83%BC%E8%A1%A8%E7%A4%BA\"><\/span>Step 4. \u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u30d7\u30ec\u30d3\u30e5\u30fc\u8868\u793a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4eca\uff0c\u8a66\u3057\u306b\u4e00\u3064\u76ee\u306e\u89b3\u5149\u30c7\u30fc\u30bf\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\uff0c\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u304c\uff0c\u4ed6\u306e\u30c7\u30fc\u30bf\u3067\u3082\u3046\u307e\u304f\u52d5\u304f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:swift mark:3 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkRow(landmark: landmarkData[1])\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1475\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-5.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-5.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-5-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-5-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-5-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u554f\u984c\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u304c\uff0c\u3061\u3087\u3063\u3068\u624b\u9593\u3067\u3059\u306d\uff0e<\/p>\n<p>\u305d\u3053\u3067\uff0c<strong>\u8907\u6570\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u540c\u6642\u306b\u8868\u793a\u3055\u305b\u308b\u65b9\u6cd5<\/strong>\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305a\u306f\uff0c\u3053\u3093\u306a\u306b\u5e83\u3044\u30ad\u30e3\u30f3\u30d1\u30b9\u306f\u5fc5\u8981\u306a\u3044\u306e\u3067\u5fc5\u8981\u6700\u4f4e\u9650\u306e\u5927\u304d\u3055\u306b\u3057\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:4 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkRow(landmark: landmarkData[1])\r\n            .previewLayout(.fixed(width: 300, height: 70))\r\n    }\r\n}\r\n<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1476\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-6.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-6.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-6-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-6-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-6-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c<span class=\"lang:swift decode:true crayon-inline \">Group { }<\/span> \u3092\u4f7f\u3063\u3066<strong>\u8907\u6570\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4e00\u3064\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u306b\u307e\u3068\u3081\u3066\u3044\u304d\u307e\u3059<\/strong>\uff0e<\/p>\n<pre class=\"lang:swift mark:3-10 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        Group {\r\n            LandmarkRow(landmark: landmarkData[0])\r\n                .previewLayout(.fixed(width: 300, height: 70))\r\n            LandmarkRow(landmark: landmarkData[1])\r\n                .previewLayout(.fixed(width: 300, height: 70))\r\n            LandmarkRow(landmark: landmarkData[2])\r\n                .previewLayout(.fixed(width: 300, height: 70))\r\n        }\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1477\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-7.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-7.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-7-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-7-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-7-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u3067\uff0c\u3057\u3063\u304b\u308a\u3068\u7406\u60f3\u901a\u308a\u306e\u52d5\u4f5c\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u4e00\u3064\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u3067\u308f\u304b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff0e<\/p>\n<p>\u305f\u3060\uff0c\u3061\u3087\u3063\u3068\u30b3\u30fc\u30c9\u304c\u4e71\u96d1\u306b\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u306d\uff0e<\/p>\n<p>\u3053\u306e<span class=\"lang:swift decode:true crayon-inline \">.previewLayout(...)<\/span>\u00a0\u306f<span class=\"lang:swift decode:true crayon-inline \">View<\/span>\u00a0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308c\u3070\u9069\u7528\u53ef\u80fd\u3067\u3042\u308a\uff0c<span class=\"lang:swift decode:true crayon-inline \">Group { }<\/span>\u00a0\u3082\u305d\u306e\u4e00\u3064\u306a\u306e\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:sh mark:4-6,8 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkRow_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        Group {\r\n            LandmarkRow(landmark: landmarkData[0])\r\n            LandmarkRow(landmark: landmarkData[1])\r\n            LandmarkRow(landmark: landmarkData[2])\r\n        }\r\n        .previewLayout(.fixed(width: 300, height: 70))\r\n    }\r\n}<\/pre>\n<p>\u3068\u3066\u3082\u30b9\u30c3\u30ad\u30ea\u3068\u3057\u305f\u30b3\u30fc\u30c9\u306b\u306a\u308a\uff0c\u53ef\u8aad\u6027\u3082\u5411\u4e0a\u3057\u307e\u3057\u305f\u306d\uff0e<\/p>\n<p>\u3053\u3046\u3044\u3063\u305f\u5c0f\u3055\u306a\u30d3\u30e5\u30fc\u306b\u9650\u3089\u305a\uff0c\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u8907\u6570\u540c\u6642\u306b\u63cf\u753b\u3055\u305b\u308b\u3053\u3068\u3067\uff0c\u4f5c\u696d\u52b9\u7387\u306e\u5411\u4e0a\u3084\uff0c\u51fa\u6765\u4e0a\u304c\u308b\u30a2\u30d7\u30ea\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u3057\u3084\u3059\u304f\u306a\u308b\u306e\u3067\uff0c\u4e0a\u624b\u304f\u4f7f\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff0e<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_5_%E8%A6%B3%E5%85%89%E5%9C%B0%E3%83%87%E3%83%BC%E3%82%BF%E3%82%92%E3%83%AA%E3%82%B9%E3%83%88%E3%81%A8%E3%81%97%E3%81%A6%E7%A9%8D%E3%81%BF%E4%B8%8A%E3%81%92%E3%82%8B\"><\/span>Step 5. \u89b3\u5149\u5730\u30c7\u30fc\u30bf\u3092\u30ea\u30b9\u30c8\u3068\u3057\u3066\u7a4d\u307f\u4e0a\u3052\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3055\u3066\uff0c\u7b2c2\u56de\u3082\u5f8c\u534a\u6226\u3067\u3059\uff0e<\/p>\n<p>\u65b0\u305f\u306b\uff0c\u300cLandmarkList.swift\u300d\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\uff0e<\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u65e9\u901f<span class=\"lang:swift decode:true crayon-inline \">List { }<\/span> \u3092\u4f7f\u3063\u3066\uff0c\u5148\u307b\u3069\u4f5c\u3063\u305f\u884c\u30c7\u30fc\u30bf\u3092\u7a4d\u307f\u4e0a\u3052\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:swift mark:5-8 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct LandmarkList: View {\r\n    var body: some View {\r\n        List {\r\n            LandmarkRow(landmark: landmarkData[0])\r\n            LandmarkRow(landmark: landmarkData[1])\r\n        }\r\n    }\r\n}\r\n\r\nstruct LandmarkList_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkList()\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1481\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-8.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-8.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-8-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-8-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-8-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\uff0c<span class=\"lang:swift decode:true crayon-inline \">List { }<\/span>\u00a0\u3082<span class=\"lang:swift decode:true crayon-inline \">VStack { }<\/span> \u306e\u3088\u3046\u306b\u5782\u76f4\u65b9\u5411\u306b\u30d3\u30e5\u30fc\u3092\u7a4d\u307f\u4e0a\u3052\u3066\u304f\u308c\u308b\u69cb\u9020\u4f53\u3067\u3059\u304c\uff0c\u3053\u3061\u3089\u306f\u4e88\u3081\u30ea\u30b9\u30c8\u30c7\u30b6\u30a4\u30f3\u304c\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\uff0e<\/p>\n<p>\u307e\u305f<strong>\u30ea\u30b9\u30c8\u306f\u30b9\u30af\u30ed\u30fc\u30eb\u304c\u53ef\u80fd<\/strong>\u3067\u3042\u308b\u70b9\u3082\u4e00\u3064\u306e\u7279\u5fb4\u3067\u3059\uff0e<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1482\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-9.gif\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"640\" height=\"400\" \/><\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u4eca\u306f\u89b3\u5149\u5730\u30c7\u30fc\u30bf\u3092\u56fa\u5b9a\u30672\u3064\uff0c\u304a\u8a66\u3057\u3067\u6e21\u3057\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u3067\uff0c<strong>\u5168\u3066\u306e\u89b3\u5149\u5730\u30c7\u30fc\u30bf\u3092\u52d5\u7684\u306b\u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\u3068\u3057\u3066\u8868\u793a\u3055\u305b\u307e\u3057\u3087\u3046<\/strong>\uff0e<\/p>\n<pre class=\"lang:swift mark:3-5 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList: View {\r\n    var body: some View {\r\n        List(landmarkData) { landmark in\r\n            LandmarkRow(landmark: landmark)\r\n        }\r\n    }\r\n}<\/pre>\n<p>\u3068\uff0c\u3084\u308a\u305f\u3044\u306e\u3067\u3059\u304c\u3053\u306e\u307e\u307e\u3067\u306f\u30c0\u30e1\u3067\u3059\uff0e<\/p>\n<p><span class=\"lang:swift decode:true crayon-inline\">List(...) { }<\/span> \u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u914d\u5217\u3092\u6271\u3046\u6642\uff0c<strong>\u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5e38\u306b\u8b58\u5225\u53ef\u80fd\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/strong>\uff0e<\/p>\n<p>\u306a\u305c\u304b\u3068\u3044\u3046\u3068\uff0c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u4eca\u5f8c\u5909\u66f4\u306b\u306a\u3063\u305f\u6642\uff0c\u30d3\u30e5\u30fc\u306e\u518d\u63cf\u753b\u3092\u3059\u3050\u306b\u884c\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3089\u3067\u3059\uff0e<\/p>\n<p>\u3064\u307e\u308a\uff0c<strong>\u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4e00\u610f\u306b\u5b9a\u307e\u308bID\u306a\u3069\u306e\u30ad\u30fc\u304c\u5fc5\u8981<\/strong>\u3067\uff0c\u305d\u308c\u3092<span class=\"lang:swift decode:true crayon-inline \">List(...) { }<\/span>\u00a0\u306b\u6559\u3048\u3066\u3042\u3052\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n<p>\u4eca\u56de\u306f\u5404\u89b3\u5149\u5730\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f<span class=\"lang:swift decode:true crayon-inline \">id<\/span> \u3068\u3044\u3046\u56fa\u6709\u306e\u5024\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u305d\u308c\u3092\u5229\u7528\u3057\u305f\u3044\u306e\u3067\u3059\u304c\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:3 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList: View {\r\n    var body: some View {\r\n        List(landmarkData, id: \\.id) { landmark in\r\n            LandmarkRow(landmark: landmark)\r\n        }\r\n    }\r\n}<\/pre>\n<p>\u3057\u304b\u3057\uff0c\u3053\u308c\u3082\u53ef\u8aad\u6027\u304c\u60aa\u304f\u306a\u308b\u306e\u3067\uff0cSwiftUI\u3067\u306f\u6700\u521d\u306b\u66f8\u3044\u305f\u7dba\u9e97\u306a\u30b3\u30fc\u30c9\u3067\u3082\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30c8\u30b3\u30eb <span class=\"lang:swift decode:true crayon-inline \">Identifiable<\/span>\u00a0 \u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\uff0e<\/p>\n<p>\u3053\u308c\u3092\u30e2\u30c7\u30eb\u306b\u4ed8\u4e0e\u3057\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:1 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct Landmark: Hashable, Codable, Identifiable{\r\n    ....\r\n}<\/pre>\n<p>\u3053\u308c\u3067\uff0c\u3053\u306e\u69cb\u9020\u4f53\u306f<strong><span class=\"lang:swift decode:true crayon-inline\">id<\/span> \u304c\u8b58\u5225\u5b50\u3068\u3057\u3066\u81ea\u52d5\u3067\u8a8d\u8b58\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059<\/strong>\uff0e<\/p>\n<p>\u3059\u308b\u3068\uff0c\u5148\u306e\u30b3\u30fc\u30c9\u3067\u7406\u60f3\u7684\u306a\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\uff0e<\/p>\n<pre class=\"lang:swift decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct LandmarkList: View {\r\n    var body: some View {\r\n        List(landmarkData) { landmark in\r\n            LandmarkRow(landmark: landmark)\r\n        }\r\n    }\r\n}\r\n\r\nstruct LandmarkList_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkList()\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1485\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-10.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"598\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-10.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-10-300x150.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-10-768x383.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-10-1024x510.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>(<span class=\"lang:swift decode:true crayon-inline \">List(landmarkData) { landmark in ... }<\/span> \u306e\u69cb\u6587\u3092\u898b\u3066\u300c\u3053\u308c\u306a\u3093\u3060\u3063\u3051\u306a\u300d\u3068\u601d\u3063\u305f\u3089\uff0c<a href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1343\/#i-5\">\u30af\u30ed\u30fc\u30b8\u30e3<\/a>\u3092\u898b\u3066\u304f\u3060\u3055\u3044)<\/p>\n<hr \/>\n<p>...<\/p>\n<p>\u3055\u3066\uff0c<strong>\u3053\u3053\u3067\u3061\u3087\u3063\u3068\u3057\u305f\u88dc\u8db3<\/strong>\u3092\u5165\u308c\u307e\u3059\uff0e<\/p>\n<p>\u5148\u307b\u3069\uff0c\u4e00\u77ac\u3060\u3051<span class=\"lang:swift decode:true crayon-inline \">List(landmarkData, id: \\.id)<\/span>\u00a0\u304c\u767b\u5834\u3057\u307e\u3057\u305f\u304c\uff0c<span class=\"lang:swift decode:true crayon-inline \">\\.id<\/span> \u2190\u3053\u308c\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3053\u308c\u306f<strong>Key-Path Expression<\/strong>\u3068\u547c\u3070\u308c\u308b\u8868\u8a18\u3067\u3059\uff0e<\/p>\n<p>\u3053\u308c\u306f\u4e00\u8a00\u3067\u8a00\u3044\u8868\u3059\u306e\u3067\u3042\u308c\u3070\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u52d5\u7684\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u8868\u8a18\u300d\u3067\u3059\uff0e<\/p>\n<p>\u914d\u5217\u306b\u5bfe\u3057\u3066\uff0c\u3069\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u898b\u308b\u304b\u3092\u6c7a\u3081\u308b\u6642\u306b\u4f7f\u3044\u307e\u3059\uff0e<\/p>\n<p>\u4f8b\u3048\u3070\uff0c\u5e74\u9f62\u30d7\u30ed\u30d1\u30c6\u30a3 <span class=\"lang:swift decode:true crayon-inline \">age: Int<\/span>\u00a0\u3092\u6301\u3064<span class=\"lang:swift decode:true crayon-inline \">User<\/span> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u914d\u5217\uff0c<span class=\"lang:swift decode:true crayon-inline \">users<\/span>\u00a0\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\uff0e<\/p>\n<p>\u305d\u308c\u3092\uff0c\u5e74\u9f62\u3067\u30bd\u30fc\u30c8\u3059\u308b\u6642\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u8a18\u3057\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">users.sorted(by: \\.age)<\/pre>\n<p>\u3069\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3044\u3066\u3082<span class=\"lang:swift decode:true crayon-inline \">age<\/span> \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u898b\u308b\uff0c\u3068\u3044\u3046\u610f\u5473\u304c\u306a\u3093\u3068\u306a\u304f\u7406\u89e3\u3067\u304d\u308b\u304b\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_6_%E3%83%AA%E3%82%B9%E3%83%88%E2%87%84%E8%A9%B3%E7%B4%B0%E3%83%93%E3%83%A5%E3%83%BC%E3%81%AE%E3%83%8A%E3%83%93%E3%82%B2%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3\"><\/span>Step 6. \u30ea\u30b9\u30c8\u21c4\u8a73\u7d30\u30d3\u30e5\u30fc\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6b21\u306b\uff0c\u30ea\u30b9\u30c8 (LandmarkList.swift) \u3068\u5404\u89b3\u5149\u5730\u30c7\u30fc\u30bf (LandmarkDetail.swift)\u3092\u7e4b\u3052\u307e\u3059\uff0e<\/p>\n<p>\u3053\u308c\u3092\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u547c\u3073\u307e\u3059\uff0e<\/p>\n<p>\u30d3\u30e5\u30fc\u3092\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3068\u3059\u308b\u5834\u5408\u306f\uff0c<span class=\"lang:swift decode:true crayon-inline \">NavigationView { }<\/span> \u3067\u305d\u306e\u30d3\u30e5\u30fc\u3092\u56f2\u307f\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:3,6 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList: View {\r\n    var body: some View {\r\n        NavigationView{\r\n            List(landmarkData) { landmark in\r\n                LandmarkRow(landmark: landmark)\r\n            }\r\n        }\r\n    }\r\n}<\/pre>\n<p>\u305d\u3057\u3066\uff0c\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d3\u30e5\u30fc\u3068\u306a\u3063\u305f\u5404\u8981\u7d20 (\u4eca\u56de\u306f\u30ea\u30b9\u30c8\u30d3\u30e5\u30fc) \u306b\u306f\u30bf\u30a4\u30c8\u30eb\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:7 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList: View {\r\n    var body: some View {\r\n        NavigationView{\r\n            List(landmarkData) { landmark in\r\n                LandmarkRow(landmark: landmark)\r\n            }\r\n            .navigationBarTitle(Text(\"Landmarks\"))\r\n        }\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1490\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-11.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"598\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-11.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-11-300x150.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-11-768x383.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-11-1024x510.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u3053\u306e\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u30bf\u30a4\u30c8\u30eb\u306e\u5f79\u5272\u306f\u3059\u3050\u5f8c\u306b\u308f\u304b\u308a\u307e\u3059\uff0e<\/p>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u5404\u884c\u30c7\u30fc\u30bf\u3092\u30ea\u30f3\u30af\u4ed8\u3057\u3066\u3044\u304d\u307e\u3059\uff0e<\/p>\n<p>\u30ea\u30f3\u30af\u5148\u306f\u300cLandmarkDetail.swift\u300d\u3067\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:5-7 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList: View {\r\n    var body: some View {\r\n        NavigationView{\r\n            List(landmarkData) { landmark in\r\n                NavigationLink(destination: LandmarkDetail()) {\r\n                    LandmarkRow(landmark: landmark)\r\n                }\r\n            }\r\n            .navigationBarTitle(Text(\"Landmarks\"))\r\n        }\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1491\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-12.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"810\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-12.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-12-300x203.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-12-768x518.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-12-1024x691.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u3057\u3063\u304b\u308a\u3068\uff0c\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059\u306d\uff0e<\/p>\n<p>\u3053\u3053\u3067\uff0c<strong>\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u30bf\u30a4\u30c8\u30eb\u306f\uff0c\u524d\u30da\u30fc\u30b8\u306b\u623b\u308b\u30ea\u30f3\u30af\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066\u3082\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059<\/strong>\u306d\uff0e<\/p>\n<p>\u3068\u3066\u3082\u30a2\u30d7\u30ea\u3063\u307d\u304f\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u304c\uff0c\u307e\u3060<strong>\u5168\u3066\u306e\u884c\u5148\u306e\u89b3\u5149\u5730\u8a73\u7d30\u304c\u300cTurtle Rock\u300d\u306e\u307e\u307e<\/strong>\u306a\u306e\u3067\u6b21\u306f\uff0c\u305d\u306e\u90e8\u5206\u3092\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u306b\u306a\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u304d\u307e\u3059\uff0e<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_7_%E5%90%84%E8%A6%81%E7%B4%A0%E3%82%92%E5%8B%95%E7%9A%84%E3%81%AA%E3%83%93%E3%83%A5%E3%83%BC%E3%81%AB%E3%81%97%E3%81%A6%E3%81%84%E3%81%8F\"><\/span>Step 7. \u5404\u8981\u7d20\u3092\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u306b\u3057\u3066\u3044\u304f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u307e\u305a\u306f\uff0c\u300cCircleImage.swift\u300d\u304b\u3089\uff0e<\/p>\n<p>\u307e\u3060\uff0c\u3053\u306e\u69cb\u9020\u4f53\u3067\u306f\u753b\u50cf\u304c\u9759\u7684\u306a\u306e\u3067\uff0c\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u65b0\u305f\u306b\u6301\u305f\u305b\u308b\u3053\u3068\u3067\uff0c\u5f15\u6570\u306b\u3088\u3063\u3066\u63cf\u753b\u3059\u308b\u30d3\u30e5\u30fc\u304c\u5909\u308f\u308b\u3088\u3046\u306b\u3057\u307e\u3059\uff0e<br \/>\n<span style=\"color: #808080;\">(\u4ee5\u964d\u306e\u30b3\u30fc\u30c9\u4fee\u6b63\u3092\u3059\u308b\u3068\uff0c\u672c\u30b9\u30c6\u30c3\u30d7\u6700\u5f8c\u306e\u64cd\u4f5c\u304c\u7d42\u308f\u308b\u307e\u3067\u30d7\u30ec\u30d3\u30e5\u30fc\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093)<\/span><\/p>\n<pre class=\"lang:swift mark:4,7,18 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct CircleImage: View {\r\n    var image: Image\r\n    \r\n    var body: some View {\r\n        image\r\n            .clipShape(Circle())\r\n            .overlay(\r\n                Circle().stroke(Color.white, lineWidth: 4))\r\n            .shadow(radius: 10)\r\n\r\n    }\r\n}\r\n\r\nstruct CircleImage_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        CircleImage(image: Image(\"turtlerock\"))\r\n    }\r\n}\r\n<\/pre>\n<p>\u6b21\u306f\uff0c\u300cMapView.swift\u300d\u3067\u3059\uff0e<\/p>\n<p>\u3053\u3061\u3089\u3082\u5ea7\u6a19\u3092\u52d5\u7684\u306b\u5909\u3048\u305f\u3044\u306e\u3067\uff0c\u305d\u308c\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:5,12-13,22 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\nimport MapKit\r\n\r\nstruct MapView: UIViewRepresentable {\r\n    var coordinate: CLLocationCoordinate2D\r\n    \r\n    func makeUIView(context: Context) -&gt; MKMapView {\r\n        MKMapView(frame: .zero)\r\n    }\r\n    \r\n    func updateUIView(_ uiView: MKMapView, context: Context) {\r\n\/\/        let coordinate = CLLocationCoordinate2D(\r\n\/\/            latitude: 34.011286, longitude: -116.166868)\r\n        let span = MKCoordinateSpan(latitudeDelta: 2.0, longitudeDelta: 2.0)\r\n        let region = MKCoordinateRegion(center: coordinate, span: span)\r\n        uiView.setRegion(region, animated: true)\r\n    }\r\n}\r\n\r\nstruct MapView_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        MapView(coordinate: landmarkData[0].locationCoordinate)\r\n    }\r\n}<\/pre>\n<p>\u6700\u5f8c\u306b\uff0c\u300cLandmarkDetail.swift\u300d\uff0e<\/p>\n<pre class=\"lang:swift mark:4,8,12,16,20,25,38 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">import SwiftUI\r\n\r\nstruct LandmarkDetail: View {\r\n    var landmark: Landmark\r\n    \r\n    var body: some View {\r\n        VStack {\r\n            MapView(coordinate: landmark.locationCoordinate)\r\n                .edgesIgnoringSafeArea(.top)\r\n                .frame(height: 300)\r\n            \r\n            CircleImage(image: landmark.image)\r\n                .offset(y: -130)\r\n                .padding(.bottom, -130)\r\n            \r\n            VStack(alignment: .leading) {\r\n                Text(landmark.name)\r\n                    .font(.title)\r\n                HStack {\r\n                    Text(landmark.park)\r\n                        .font(.subheadline)\r\n                    \r\n                    Spacer()\r\n                    \r\n                    Text(landmark.state)\r\n                        .font(.subheadline)\r\n                }\r\n            }\r\n            .padding()\r\n            \r\n            Spacer()\r\n        }\r\n    }\r\n}\r\n\r\nstruct ContentView_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkDetail(landmark: landmarkData[0])\r\n    }\r\n}<\/pre>\n<p>\u305d\u3046\u3057\u305f\u3089\uff0c\u30a2\u30d7\u30ea\u7acb\u3061\u4e0a\u3052\u305f\u969b\u306e\u6700\u521d\u306e\u30d3\u30e5\u30fc\u3092\u300cSceneDelegate.swift\u300d\u3067\u8a2d\u5b9a\u3057\u307e\u3057\u3087\u3046\uff0e<\/p>\n<pre class=\"lang:swift mark:12,17 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">class SceneDelegate: UIResponder, UIWindowSceneDelegate {\r\n\r\n    var window: UIWindow?\r\n\r\n\r\n    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {\r\n        \/\/ Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.\r\n        \/\/ If using a storyboard, the `window` property will automatically be initialized and attached to the scene.\r\n        \/\/ This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).\r\n\r\n        \/\/ Create the SwiftUI view that provides the window contents.\r\n        \/\/ let contentView = LandmarkDetail()\r\n\r\n        \/\/ Use a UIHostingController as window root view controller.\r\n        if let windowScene = scene as? UIWindowScene {\r\n            let window = UIWindow(windowScene: windowScene)\r\n            window.rootViewController = UIHostingController(rootView: LandmarkList())\r\n            self.window = window\r\n            window.makeKeyAndVisible()\r\n        }\r\n    }\r\n    ....\r\n}<\/pre>\n<p>\u6700\u5f8c\u306b\uff0c\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3092\u4fee\u6b63\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:swift mark:5 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList: View {\r\n    var body: some View {\r\n        NavigationView{\r\n            List(landmarkData) { landmark in\r\n                NavigationLink(destination: LandmarkDetail(landmark: landmark)) {\r\n                    LandmarkRow(landmark: landmark)\r\n                }\r\n            }\r\n            .navigationBarTitle(Text(\"Landmarks\"))\r\n        }\r\n    }\r\n}<\/pre>\n<p>\u3053\u3053\u307e\u3067\u304f\u308b\u3068\uff0c\u5168\u3066\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u304c\u307e\u305f\u4e0a\u624b\u304f\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\uff0e<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1496\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-13.gif\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"800\" height=\"500\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_8_%E3%83%97%E3%83%AC%E3%83%93%E3%83%A5%E3%83%BC%E7%AB%AF%E6%9C%AB%E3%82%92%E5%A4%89%E3%81%88%E3%82%8B\"><\/span>Step 8. \u30d7\u30ec\u30d3\u30e5\u30fc\u7aef\u672b\u3092\u5909\u3048\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3053\u3053\u307e\u3067\u306f\uff0c\u4e00\u7a2e\u985e\u306e\u7aef\u672b (\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306fiPhone SE 2) \u3067\u52d5\u4f5c\u78ba\u8a8d\u3092\u3057\u3066\u304d\u307e\u3057\u305f\uff0e<\/p>\n<p>\u3057\u304b\u3057\uff0c\u5b9f\u969b\u306b\u306f\u30e6\u30fc\u30b6\u306e\u7aef\u672b\u306f\u4e00\u610f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff0e<\/p>\n<p>\u305d\u3053\u3067\uff0c<strong>\u30d7\u30ec\u30d3\u30e5\u30fc\u306b\u4f7f\u308f\u308c\u308b\u7aef\u672b\u3092\u8907\u6570\u6307\u5b9a\u3057\u3066\u540c\u6642\u306b\u63cf\u753b\u3059\u308b<\/strong>\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff0e<\/p>\n<p>\u307e\u305a\u306f\u4e00\u3064\u306e\u7aef\u672b\u3092\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:4 decode:true \" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        LandmarkList()\r\n            .previewDevice(PreviewDevice(rawValue: \"iPhone X\"))\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1497\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-14.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-14.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-14-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-14-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-14-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u305d\u3057\u30662\u53f0\u4ee5\u4e0a\u306e\u7aef\u672b\u3067\u30d7\u30ec\u30d3\u30e5\u30fc\u3092\u63cf\u753b\u3059\u308b\u306b\u306f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u307e\u3059\uff0e<\/p>\n<pre class=\"lang:swift mark:3-7 decode:true\" title=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\">struct LandmarkList_Previews: PreviewProvider {\r\n    static var previews: some View {\r\n        ForEach([\"iPhone SE\", \"iPhone X\"], id: \\.self) { deviceName in\r\n            LandmarkList()\r\n                .previewDevice(PreviewDevice(rawValue: deviceName))\r\n                .previewDisplayName(deviceName)\r\n        }\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1498\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-15.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"1200\" height=\"591\" srcset=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-15.png 1200w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-15-300x148.png 300w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-15-768x378.png 768w, https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/2-15-1024x504.png 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u4ee5\u4e0a\uff0c\u7b2c2\u56de\u306e\u5185\u5bb9\u306f\u3053\u3053\u307e\u3067\u3068\u306a\u308a\u307e\u3059\uff0e<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%AC%AC2%E5%9B%9E%EF%BC%9A%E3%81%8A%E3%82%8F%E3%82%8A%E3%81%AB\"><\/span>\u7b2c2\u56de\uff1a\u304a\u308f\u308a\u306b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u304a\u75b2\u308c\u69d8\u3067\u3057\u305f\uff01<\/p>\n<p>\u7b2c2\u56de\u3082\uff0c\u91cd\u8981\u306aSwiftUI\u306e\u6a5f\u80fd\u3092\u305f\u304f\u3055\u3093\u7d39\u4ecb\u3057\u307e\u3057\u305f\uff0e<\/p>\n<p>\u3053\u3053\u307e\u3067\u4e00\u7dd2\u306b\u5b9f\u88c5\u3057\u3066\u304d\u305f\u65b9\u3067\u3042\u308c\u3070\uff0c\u306a\u3093\u3068\u306a\u304f\u4ed5\u69d8\u3082\u5206\u304b\u3063\u3066\u304d\u3066\u697d\u3057\u304f\u306a\u3063\u3066\u304d\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u3055\u3066\uff0c\u6b21\u56de\u306f<strong>\u30e6\u30fc\u30b6\u5165\u529b\u306e\u6271\u3044\u65b9<\/strong>\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\uff0e<\/p>\n<div style=\"max-width: 450px; height: auto;\"><a href=\"https:\/\/hirlab.net\/nblog\/category\/programming\/art_1445\/\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1430\" src=\"https:\/\/hirlab.net\/nblog\/wp-content\/uploads\/2020\/08\/thum3.png\" alt=\"\u65e5\u672c\u8a9e\u7248SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\" width=\"100%\" height=\"auto\" \/><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\uff0c\u57fa\u672c\u7684\u306b\u672c\u5bb6SwiftUI\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u5023\u3063\u3066\u9032\u3081\u3066\u3044\u304d\u307e\u3059\uff0e\u305f\u3060\u516c\u5f0f\u3068\u9055\u3046\u70b9\u306f\u300c\u65e5\u672c\u8a9e\u3067\u3042\u308b\u3053\u3068\u300d\u3068\u300c\u89e3\u8aac\u3092\u7d30\u304b\u304f\u5165\u308c\u3066\u3042\u308b\u3053\u3068\u300d\u3067\u3059\uff0e\u306a\u306e\u3067\uff0c\u521d\u5fc3\u8005\u306f\u3082\u3061\u308d\u3093\uff0c\u4e2d\u7d1a\u8005\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u65b9\u306b\u3082\u6e80\u8db3\u3057\u3066\u3082\u3089\u3048\u308b\u3088\u3046\u306a\u3082\u306e\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\uff0e\u3055\u3066\u7b2c2\u56de\u76ee\u306f\u30ea\u30b9\u30c8\u3068\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\uff0c\u305d\u3057\u3066\u52d5\u7684\u306a\u30d3\u30e5\u30fc\u751f\u6210\u3067\u3059\uff0e<\/p>\n","protected":false},"author":1,"featured_media":1430,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[83,81,82],"_links":{"self":[{"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/posts\/1440"}],"collection":[{"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/comments?post=1440"}],"version-history":[{"count":41,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/posts\/1440\/revisions"}],"predecessor-version":[{"id":1525,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/posts\/1440\/revisions\/1525"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/media\/1430"}],"wp:attachment":[{"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/media?parent=1440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/categories?post=1440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hirlab.net\/nblog\/wp-json\/wp\/v2\/tags?post=1440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}