{"id":8621,"date":"2017-06-09T21:19:35","date_gmt":"2017-06-09T03:19:35","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/?p=8621"},"modified":"2017-06-09T16:22:10","modified_gmt":"2017-06-09T07:22:10","slug":"xamarin-forms-%e3%81%a7-net-standard-%e3%82%92%e5%88%a9%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%a2%e3%82%af%e3%82%bb%e3%82%b9%e3%81%99%e3%82%8b%e3%81%be%e3%81%a7","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/8621","title":{"rendered":"Xamarin.Forms \u3067 .NET Standard \u3092\u5229\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u3059\u308b\u307e\u3067"},"content":{"rendered":"

Xamarin.Forms \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306ePCL\u3092 .NET Standard \u5316\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u3044\u304f\u3068\u3001Visual Studio 2017 \u306e\u30ea\u30ea\u30fc\u30b9\u524d\u3060\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u3001project.json \u306e\u5909\u66f4\u304c\u3042\u3063\u3066\u300c\u3042\u308c\uff1f\u300d\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u8a18\u9332\u7684\u306b\u3002
\n\u3061\u306a\u307f\u306b\u3001\u3053\u306e\u8a18\u4e8b\u3082\u534a\u5e74\u3050\u3089\u3044\u7d4c\u3064\u3068\u610f\u5473\u304c\u306a\u304f\u306a\u308b\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u306e\u3067\u3001\u307e\u3042\u3001\u305d\u306e\u3068\u304d\u306f\u305d\u306e\u3068\u304d\u3067\u3002<\/p>\n

Xamarin.Forms\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b<\/h2>\n

\u666e\u901a\u306bXamarin.Forms\u3067PCL\u3092\u4f7f\u3063\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n

<\/a><\/p>\n

Visual Studio 2017 \u306e\u5834\u5408\u306f\u3001\u30b3\u30fc\u30c9\u5171\u6709\u3067\u300c\u30dd\u30fc\u30bf\u30d6\u30eb\u30af\u30e9\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u300d\u306e\u307b\u3046\u3092\u9078\u629e\u3002<\/p>\n

.NET Standard \u306e\u30af\u30e9\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3059\u308b<\/h2>\n

\uff3bVisual C#\uff3d\u2192\uff3b.NET Standard\uff3d\u3067\u3001\u300c\u30af\u30e9\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\uff08.NET Stanrdard\uff09\u300d\u3092\u8ffd\u52a0<\/p>\n

<\/a><\/p>\n

.NET Standard\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u7de8\u96c6\u3057\u3066\u3001PackageTargetFallback\u306e\u90e8\u5206\u3092\u8ffd\u52a0\u3002\u3053\u308c\u304c\u306a\u3044\u3068\u3001NuGet\u304b\u3089Xamarin.Forms\u3092\u53d6\u308a\u8fbc\u3081\u307e\u305b\u3093\u3002<\/p>\n

\r\n<Project Sdk=&quot;Microsoft.NET.Sdk&quot;>\r\n  <PropertyGroup>\r\n    <TargetFramework>netstandard1.6<\/TargetFramework>\r\n    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;<\/PackageTargetFallback>\r\n  <\/PropertyGroup>\r\n<\/pre>\n
\u305d\u306e\u5f8c\u3067\u3001NuGet\u304b\u3089Xamarin.Forms\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n
PCL\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u30b3\u30d4\u30fc<\/h2>\n
\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u3067\u3001\u300cApp.xaml\u300d\u3068\u300cMainPage.xaml\u300d\u3092\u30de\u30a6\u30b9\u3067\u30c9\u30e9\u30c3\u30b0\u3057\u3066\u3001.NET Standard\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002
\ncsproj\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3001ItemGroup\u306e\u3068\u3053\u308d\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3082\u3088\u3044\u3067\u3059\u3002<\/p>\n
Properties\/AssemblyInfo.cs \u30d5\u30a1\u30a4\u30eb\u3060\u3051\u306f\u30b3\u30d4\u30fc\u3057\u307e\u305b\u3093\u3002\u5185\u90e8\u7684\u306b\u3001AssemblyTitle \u3084\u3089\u304c\u4f5c\u3089\u3066\u3044\u308b\u6a21\u69d8\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001.NET Standard\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u8ffd\u52a0\u3057\u305f\u3042\u3068\u3067\u3001PCL\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30a2\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3068\u4e8c\u5ea6\u3068\u30ed\u30fc\u30c9\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u73fe\u8c61\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u306a\u3093\u3060\u304b\u306a\u30fc\u3002\u305d\u3046\u3044\u3046\u3068\u304d\u306f\u3001\u4e00\u5ea6\u3001.NET Standard\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u5916\u3057\u3066\u3001PCL\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u624b\u9806\u3092\u9006\u306b\u3057\u3066\u3001.NET Standard\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306ecsproj\u306e\u5185\u5bb9\u3092\u3001PCL\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u307b\u3046\u306b\u30b3\u30d4\u30fc\u3057\u3066\u3082OK\u3067\u3059\u3002<\/p>\n
Xamarin.iOS\/Adnroid\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u3092\u5909\u66f4\u3059\u308b<\/h2>\n
Xamarin.iOS\/Adnroid\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089PCL\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u3068\u3053\u308d\u3092\u3001.NET Standard\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u307b\u3046\u306b\u5909\u66f4\u3057\u307e\u3059\u3002
\n\u3068\u3001\u540c\u6642\u306b Xamarin.Forms \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3082\u5408\u308f\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3067\u3084\u3063\u3068\u3053\u3055\u3001Xamarin.Forms\u3067.NET Standard\u304c\u4f7f\u3048\u308b\u72b6\u614b\u304c\u5b8c\u4e86\u3067\u3059\u3002\u307e\u3042\u3001\u3053\u3053\u307e\u3067\u4f5c\u308c\u305f\u3082\u306e\u3092Xamarin.Forms\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3068\u3057\u3066\u7f6e\u3044\u3066\u304a\u3051\u3070\u3088\u3044\u306e\u3067\u3001\u4e00\u5ea6\u4f5c\u308c\u308b\u3068\u5f8c\u306f\u697d\u304b\u3082\u3002<\/p>\n
\u8a66\u3057\u306b\u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u3055\u305b\u308b<\/h2>\n
MainPage.xaml \u3092\u3053\u3093\u306a\u611f\u3058\u3067\u4fee\u6b63\u3057\u3066\u304a\u3044\u3066\u3001<\/p>\n
\r\n<StackLayout>\r\n    <Label Text=&quot;Welcome to Xamarin Forms!&quot; \/>\r\n    <Button Text=&quot;save&quot; Clicked=&quot;Save_Clicked&quot; ><\/Button>\r\n    <Button Text=&quot;load&quot; Clicked=&quot;Load_Clicked&quot; ><\/Button>\r\n    <Label x:Name=&quot;text1&quot;  Text=&quot;output&quot; \/>\r\n<\/StackLayout>\r\n<\/pre>\n
Save\/Load\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n
\r\nprivate async void Save_Clicked(object sender, EventArgs e)\r\n{\r\n    var path = "\/data\/user\/0\/App18.Android\/files\/";\r\n    var st = System.IO.File.Open(path + "sample.txt", FileMode.OpenOrCreate);\r\n    using (var sw = new StreamWriter(st))\r\n    {\r\n        await sw.WriteLineAsync("sample data");\r\n    }\r\n}\r\n\r\nprivate async void Load_Clicked(object sender, EventArgs e)\r\n{\r\n    var path = "\/data\/user\/0\/App18.Android\/files\/";\r\n    var st = System.IO.File.Open(path + "sample.txt", FileMode.Open);\r\n    using (var sr = new StreamReader(st))\r\n    {\r\n        var text = await sr.ReadToEndAsync();\r\n        text1.Text = text;\r\n    }\r\n}\r\n<\/pre>\n
Xamarim.iOS\/Android\u3067\u3042\u308c\u3070\u3001\u300cSystem.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments)\u300d\u3068\u66f8\u304f\u3068\u3053\u308d\u304c\u3001\u30d1\u30b9\u3092\u76f4\u66f8\u304d\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304c\u30a2\u30ec\u3067\u3059\u306d\u3002iOS\/Android\u306e\u5834\u5408\u5206\u3051\u304c\u5fc5\u8981\u3067\u3057\u3087\u3046\u3002\u3069\u3046\u3084\u3063\u3066\u66f8\u304f\u306e\u304b\u5224\u308a\u307e\u305b\u3093\u304c\u3002
\nXamarin.Forms \u306e\u5834\u5408\u306f\u3001System.IO.File\u304c\u306a\u3044\u306e\u3067\u3001\u3053\u308c\u304c\u4f7f\u3048\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u7121\u4e8b .NET Standard \u5316\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n
Android\u30a8\u30df\u30e5\u30ec\u30fc\u30bf\u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
<\/a><\/p>\n
\u3058\u3083\u3042\u3001PCL\u306f.NET Standard\u306b\u5b8c\u5168\u306b\u7f6e\u304d\u63db\u308f\u308b\u306e\u304b\uff1f<\/h2>\n
standard\/docs\/netstandard-20 at master \u30fb dotnet\/standard
\nhttps:\/\/github.com\/dotnet\/standard\/tree\/master\/docs\/netstandard-20<\/a><\/p>\n
\u3092\u898b\u308b\u9650\u308a\u3001\u300cNo PCL left behind. Dakota can consume a PCL based assembly from a .NET Standard-based library without having to jump through hoops.\u300d\u3068\u3042\u308b\u306e\u3067\u3001\u751f\u306e\u307e\u307e\u3067PCL\u3092\u4f7f\u3046\u3053\u3068\u306f\u5c11\u306a\u304f\u306a\u308b\u3093\u3067\u3057\u3087\u3046\u3002\u5c11\u306a\u304f\u3068\u3082Profile\u306e\u9806\u5217\u7d44\u307f\u5408\u308f\u305b\u72b6\u614b\u306f\u6fc0\u6e1b\u3059\u308b\u304b\u306a\u3068\u3002\u73fe\u72b6\u3001\u3042\u307e\u308a\u610f\u5473\u304c\u306a\u3044\u3057\u3002
\n\u305d\u306e\u5f8c\u306f\u3001.NET Standard \u304c\u80a5\u5927\u5316\u3057\u3061\u3083\u3046\u304b\u3001\u6a5f\u7a2e\u4f9d\u5b58\u306a\u6a5f\u80fd\u304c\u6f0f\u308c\u3066\u3057\u307e\u3046\u304b\u306e\u3068\u3053\u308d\u306a\u3093\u3060\u3051\u3069\u3001\u3044\u307e\u306e\u3068\u3053\u308dXamarin.Forms\u306b\u95a2\u3057\u3066\u306f\u4e0b\u56de\u308a\u306ePCL\u306f\u5fc5\u9808\u306a\u611f\u3058\u304c\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Xamarin.Forms \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306ePCL\u3092 .NET Standard \u5316\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u3044\u304f\u3068\u3001Visual Studio 2017 \u306e\u30ea\u30ea\u30fc\u30b9\u524d\u3060\u3063\u305f\u308a\u3059\u308b\u306e\u3067\u3001project.json \u306e\u5909\u66f4\u304c\u3042\u3063\u3066\u300c\u3042\u308c … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,62],"tags":[],"class_list":["post-8621","post","type-post","status-publish","format-standard","hentry","category-dev","category-xamarin"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/8621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=8621"}],"version-history":[{"count":5,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/8621\/revisions"}],"predecessor-version":[{"id":8627,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/8621\/revisions\/8627"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=8621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=8621"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=8621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}