{"id":972,"date":"2016-08-22T14:13:26","date_gmt":"2016-08-22T05:13:26","guid":{"rendered":"http:\/\/sonic.blue\/it\/?p=972"},"modified":"2016-09-09T15:12:31","modified_gmt":"2016-09-09T06:12:31","slug":"xamarin-forms%e3%81%a7%e9%9f%b3%e6%a5%bd%e3%82%92%e5%86%8d%e7%94%9f%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/sonic.blue\/it\/972","title":{"rendered":"Xamarin.Forms\u3067\u97f3\u697d\uff08BGM\uff09\u3092\u518d\u751f\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u3053\u3053\u3067\u306f\u30a2\u30d7\u30ea\u5185\u3067\u306eBGM\u306e\u518d\u751f\u3092\u60f3\u5b9a\u3057\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n\u73fe\u6642\u70b9\u3067iOS\u3068Android\u3092\u5171\u901a\u3067\u4f7f\u3048\u308bXamarin.Forms\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u306e\u3067\u3001\u30d7\u30ec\u30fc\u30e4\u30fc\u306f\u4ee5\u4e0b\u306e\u3082\u306e\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\uff08\u203b2016\/8\/22\u6642\u70b9\u3067\u306f\u52d5\u753b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u307f\uff09<br \/>\n\u30fbiOS\u5074\uff1a<strong>AVAudioPlayer<\/strong><br \/>\n\u30fbAndroid\u5074\uff1a<strong>MediaPlayer<\/strong><\/p>\n<h2>\u4e8b\u524d\u6e96\u5099<\/h2>\n<p><strong>\u7a7a\u306eXamarin.Form\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/strong>\uff08Portable Class Library\uff09\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\n\u203b\u3053\u3053\u3067\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\u3092\u300cAudioPlaySample\u300d\u3068\u3057\u3066\u4f5c\u6210\u3057\u3066\u307e\u3059\u304c\u3001\u597d\u304d\u306b\u8aad\u307f\u66ff\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u65b0\u898f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u300cAudioPlaySample\u300d\u3068\u300cDroid\u300d\u3001\u300ciOS\u300d\u306e\uff13\u3064\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u305d\u3053\u306b<strong>\u518d\u751f\u3059\u308b\u305f\u3081\u306e\u97f3\u697d\uff08MP3\u5f62\u5f0f\uff09<\/strong>\u3092\u767b\u9332\u3057\u307e\u3059\u3002<br \/>\n\u203b\u3053\u3053\u3067\u306f\u3001\u30d5\u30ea\u30fcBGM\u30b5\u30a4\u30c8\u300c<a href=\"http:\/\/dova-s.jp\/\" target=\"_blank\">DOVA-SYNDROME<\/a>\u300d\u304b\u3089\u3001\u300c<a href=\"http:\/\/dova-s.jp\/bgm\/play2896.html\" target=\"_blank\">Shall we meet\uff1f<\/a>\u300d\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Android\u30a2\u30d7\u30ea\u5074\u306f\u300cDroid\u300d\u5185\u306e\u300cResources\u300d\u30d5\u30a9\u30eb\u30c0\u3092\u5229\u7528\u3057\u307e\u3059\u3002<br \/>\n\u300cResources\u300d\u30d5\u30a9\u30eb\u30c0\u5185\u306b\u300craw\u300d\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u4e2d\u306b\u97f3\u697d\u30d5\u30a1\u30a4\u30eb\u3092\u5165\u308c\u307e\u3059\u3002<br \/>\n\uff08Droid>Resources>raw>shall_we_meet.mp3]\uff09<\/p>\n<p>iOS\u30a2\u30d7\u30ea\u5074\u306f\u300ciOS\u300d\u5185\u306e\u300cResources\u300d\u30d5\u30a9\u30eb\u30c0\u3092\u5229\u7528\u3057\u307e\u3059\u3002<br \/>\n\u300cResources\u300d\u30d5\u30a9\u30eb\u30c0\u5185\u306b\u305d\u306e\u307e\u307e\u3001\u97f3\u697d\u30d5\u30a1\u30a4\u30eb\u3092\u5165\u308c\u307e\u3059\u3002<br \/>\n\uff08iOS>Resources>shall_we_meet.mp3]\uff09<\/p>\n<h2>\u753b\u9762\u306e\u4f5c\u6210<\/h2>\n<p>\u300cAudioPlaySample.cs\u300d\u306eApp\u306e\u90e8\u5206\u306b\u4ee5\u4e0b\u306e\u5f62\u3067\u3001Content\u753b\u9762\u3092\u30b3\u30fc\u30c9\u3067\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\n\u203b\u3082\u3057\u3001XAML\u3067\u5bfe\u5fdc\u3057\u305f\u3044\u65b9\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u8a18\u8ff0\u3092\u3046\u307e\u304f\u62fe\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u307e\u305a\u306f\u30b3\u30de\u30f3\u30c9\u7528\u306b\u300cclass App\u300d\u5185\u306b\u4ee5\u4e0b\u306eIMediaPlayer\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\n\u30fbPlay\uff08\u975e\u540c\u671f\uff09<br \/>\n\u30fbStop<\/p>\n<p><strong><strong>\u5171\u901a\u51e6\u7406[AudioPlaySample>AudioPlaySample.cs]<\/strong><\/strong><\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\n\tpublic interface IMediaPlayer\r\n\t{\r\n\t\tTask PlayAsync(string title);\r\n\t\tvoid Stop();\r\n\t}\r\n<\/pre>\n<p>\u6b21\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u30b5\u30af\u30c3\u3068\u753b\u9762\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\uff08XAML\u3067\u5bfe\u5fdc\u3057\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u3002\uff09<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\n\tpublic App()\r\n\t{\r\n\t\tButton btnPlay = new Button {\r\n\t\t\tText = &quot;Play\/Pause&quot;,\r\n\t\t\tCommand = new Command((obj) =&gt; {\r\n\t\t\t\tDependencyService.Get&lt;IMediaPlayer&gt;().PlayAsync(&quot;shall_we_meet&quot;);\r\n\t\t\t})\r\n\t\t};\r\n\r\n\t\tButton btnStop = new Button {\r\n\t\t\tText = &quot;Stop&quot;,\r\n\t\t\tCommand = new Command((obj) =&gt; {\r\n\t\t\t\tDependencyService.Get&lt;IMediaPlayer&gt;().Stop();\r\n\t\t\t})\r\n\t\t};\r\n\r\n\t\t\/\/ The root page of your application\r\n\t\tvar content = new ContentPage {\r\n\t\t\tTitle = &quot;AudioPlaySample&quot;,\r\n\t\t\tContent = new StackLayout {\r\n\t\t\t\tVerticalOptions = LayoutOptions.Center,\r\n\t\t\t\tChildren = {\r\n\t\t\t\t\tbtnPlay,\r\n\t\t\t\t\tbtnStop\r\n\t\t\t\t}\r\n\t\t\t},\r\n\t\t\tPadding = new Thickness(10)\r\n\t\t};\r\n\t\tMainPage = new NavigationPage(content);\r\n\t}\r\n<\/pre>\n<h2>DependencyService\u3092\u4f7f\u3063\u305f\u30aa\u30fc\u30c7\u30a3\u30aa\u30b5\u30fc\u30d3\u30b9\u306e\u4f5c\u6210<\/h2>\n<p>\u5404\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3054\u3068\u306b\u30aa\u30fc\u30c7\u30a3\u30aa\u30b5\u30fc\u30d3\u30b9\u306e\u4f5c\u6210\u3092\u3057\u307e\u3059\u3002<br \/>\n\u5404\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u7a7a\u306e\u30af\u30e9\u30b9\u3067\u300cMediaPlayer_Droid.cs\u300d\u300cMediaPlayer_iOS.cs\u300d\u3092\u4f5c\u6210\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n<p><strong>Android\u5074[Droid>MediaPlayer_Droid.cs]<\/strong><\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nusing System;\r\nusing System.Threading.Tasks;\r\nusing Xamarin.Forms;\r\nusing Android.Media;\r\n\r\n&#x5B;assembly: Dependency(typeof(AudioPlaySample.Droid.MediaPlayer_Droid))]\r\nnamespace AudioPlaySample.Droid\r\n{\r\n\tpublic class MediaPlayer_Droid : App.IMediaPlayer\r\n\t{\r\n\t\tMediaPlayer player = null;\r\n\r\n\t\tprivate async Task StartPlayerAsync(string title)\r\n\t\t{\r\n\t\t\tvar resourceId = (int)typeof(Resource.Raw).GetField(title).GetValue(null);\r\n\r\n\t\t\tawait Task.Run(() =&gt; {\r\n\t\t\t\tif (player == null) {\r\n\t\t\t\t\tplayer = new MediaPlayer();\r\n\t\t\t\t\tplayer.SetAudioStreamType(Stream.Music);\r\n\r\n\t\t\t\t\tplayer = MediaPlayer.Create(\r\n\t\t\t\t\t\t\t\tglobal::Android.App.Application.Context,\r\n\t\t\t\t\t\t\t\tresourceId\r\n\t\t\t\t\t\t\t);\r\n\t\t\t\t\tplayer.Looping = true;\r\n\t\t\t\t\tplayer.Start();\r\n\t\t\t\t} else {\r\n\t\t\t\t\tif (player.IsPlaying == true) {\r\n\t\t\t\t\t\tplayer.Pause();\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\tplayer.Start();\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\tprivate void StopPlayer()\r\n\t\t{\r\n\t\t\tif ((player != null)) {\r\n\t\t\t\tif (player.IsPlaying) {\r\n\t\t\t\t\tplayer.Stop();\r\n\t\t\t\t}\r\n\t\t\t\tplayer.Release();\r\n\t\t\t\tplayer = null;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tpublic async Task PlayAsync(string title)\r\n\t\t{\r\n\t\t\tawait StartPlayerAsync(title);\r\n\t\t}\r\n\r\n\t\tpublic void Stop()\r\n\t\t{\r\n\t\t\tStopPlayer();\r\n\t\t}\r\n\t}\r\n}\r\n<\/pre>\n<p><strong>iOS\u5074[iOS>MediaPlayer_iOS.cs]<\/strong><\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nusing System;\r\nusing System.Threading.Tasks;\r\nusing Xamarin.Forms;\r\nusing AVFoundation;\r\nusing Foundation;\r\n\r\n&#x5B;assembly: Dependency(typeof(AudioPlaySample.iOS.MediaPlayer_iOS))]\r\nnamespace AudioPlaySample.iOS\r\n{\r\n\tpublic class MediaPlayer_iOS : App.IMediaPlayer\r\n\t{\r\n\t\tAVAudioPlayer player = null;\r\n\r\n\t\tprivate async Task StartPlayerAsync(string title)\r\n\t\t{\r\n\t\t\tawait Task.Run(() =&gt; {\r\n\t\t\t\tif (player == null)\r\n\t\t\t\t{\r\n\t\t\t\t\tvar url = NSUrl.FromFilename(title + &quot;.mp3&quot;);\r\n\r\n\t\t\t\t\tNSError _err = null;\r\n\r\n\t\t\t\t\tplayer = new AVAudioPlayer(\r\n\t\t\t\t\t\t\t\turl,\r\n\t\t\t\t\t\t\t\tAVFileType.MpegLayer3,\r\n\t\t\t\t\t\t\t\tout _err\r\n\t\t\t\t\t\t     );\r\n\r\n\t\t\t\t\tplayer.NumberOfLoops = -1;\/\/player.Looping = true;\r\n\t\t\t\t\tplayer.PrepareToPlay();\r\n\t\t\t\t\tplayer.Play();\r\n\t\t\t\t} else {\r\n\t\t\t\t\tif (player.Playing == true) {\r\n\t\t\t\t\t\tplayer.Stop();\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\tplayer.Play();\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\tprivate void StopPlayer()\r\n\t\t{\r\n\t\t\tif (player != null) {\r\n\t\t\t\tif (player.Playing) {\r\n\t\t\t\t\tplayer.Stop();\r\n\t\t\t\t}\r\n\t\t\t\tplayer.Dispose();\r\n\t\t\t\tplayer = null;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tpublic async Task PlayAsync(string title)\r\n\t\t{\r\n\t\t\tawait StartPlayerAsync(title);\r\n\t\t}\r\n\r\n\t\tpublic void Stop()\r\n\t\t{\r\n\t\t\tStopPlayer();\r\n\t\t}\r\n\t}\r\n}\r\n<\/pre>\n<h2>\u52d5\u4f5c\u78ba\u8a8d<\/h2>\n<p>\u30b5\u30f3\u30d7\u30eb\u753b\u9762\u3067\u306f\u56fa\u5b9a\u3092\u3057\u3066\u3044\u307e\u3059\u304c\u3001BGM\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u5f15\u6570\u3067\u6307\u5b9a\u3059\u308c\u3070\u30ea\u30bd\u30fc\u30b9\u5185\u306b\u3042\u308b\u97f3\u697d\u3092\u9078\u3093\u3067\u518d\u751f\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u518d\u751f\u30dc\u30bf\u30f3\u3092\u3082\u3046\u4e00\u5ea6\u62bc\u3059\u3053\u3068\u3067\u3001\u4e00\u6642\u505c\u6b62\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong><a href=\"https:\/\/github.com\/BlueSonic\/XamarinForms_AudioPlaySample\" target=\"_blank\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089\uff08GitHub\uff09<\/a><\/strong><br \/>\n\uff08\u203b\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u7d4c\u904e\u6642\u9593\u306e\u53d6\u5f97\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n<h2>\u5099\u8003<\/h2>\n<p>Xamarin.Forms\u3068\u3057\u3066\u6bd4\u8f03\u7684\u540c\u3058\u3088\u3046\u306a\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001\u30b7\u30f3\u30d7\u30eb\u306b\u5171\u7528\u5316\u3092\u884c\u3044\u307e\u3057\u305f\u304c\u3001Android\u3067\u306f\u97f3\u697d\u7528\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u307b\u3068\u3093\u3069\u306a\u304f\u3001iOS\u5074\u3067\u306f\u9006\u306b\u69d8\u3005\u306a\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u30ea\u30bd\u30fc\u30b9\u304b\u3089\u306e\u547c\u3073\u51fa\u3057\u3067\u5bfe\u5fdc\u3057\u307e\u3057\u305f\u304c\u3001\u547c\u3073\u51fa\u3057\u5148\u3082\u30d5\u30a1\u30a4\u30eb\u3084Assets\u3001\u30e1\u30c7\u30a3\u30a2\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u591a\u5c90\u306b\u308f\u305f\u308a\u307e\u3059\u3057\u3001\u30e1\u30c7\u30a3\u30a2\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3082\u5bfe\u5fdc\u3001\u975e\u5bfe\u5fdc\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u5229\u7528\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u5404\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9078\u629e\u304c\u5fc5\u8981\u3068\u306a\u3063\u3066\u304d\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\uff08\u97f3\u697d\u30d7\u30ec\u30fc\u30e4\u30fc\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306a\u3089\u3001Xamarin.Forms\u3092\u5229\u7528\u3057\u3066\u5171\u901a\u5316\u305b\u305a\u306bXamarin.Native\u3092\u4f7f\u3063\u305f\u65b9\u304c\u52b9\u7387\u306f\u3044\u3044\u3067\u3057\u3087\u3046\u3002\uff09<\/p>\n<p>Search index:<br \/>\n[Xamarin.Forms] Background Audio play<br \/>\n[Xamarin.Forms] background music player<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3053\u3067\u306f\u30a2\u30d7\u30ea\u5185\u3067\u306eBGM\u306e\u518d\u751f\u3092\u60f3\u5b9a\u3057\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 \u73fe\u6642\u70b9\u3067iOS\u3068Android\u3092\u5171\u901a\u3067\u4f7f\u3048\u308bXamarin.Forms\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u306e\u3067\u3001\u30d7\u30ec\u30fc\u30e4\u30fc\u306f\u4ee5\u4e0b\u306e\u3082\u306e\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\uff08\u203b2016 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,15,2],"tags":[18],"class_list":["post-972","post","type-post","status-publish","format-standard","hentry","category-csharp","category-xamarin","category-program","tag-xamarin"],"_links":{"self":[{"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/posts\/972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/comments?post=972"}],"version-history":[{"count":21,"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/posts\/972\/revisions"}],"predecessor-version":[{"id":1025,"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/posts\/972\/revisions\/1025"}],"wp:attachment":[{"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/media?parent=972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/categories?post=972"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sonic.blue\/it\/wp-json\/wp\/v2\/tags?post=972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}