{"id":5659,"date":"2014-04-01T09:12:46","date_gmt":"2014-04-01T00:12:46","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/?p=5659"},"modified":"2016-01-08T11:11:21","modified_gmt":"2016-01-08T02:11:21","slug":"xamarin%e3%81%a7%e3%82%b3%e3%83%b3%e3%83%88%e3%83%ad%e3%83%bc%e3%83%ab%e3%81%ae%e3%83%89%e3%83%a9%e3%83%83%e3%82%b0%e3%81%ab%e5%af%be%e5%bf%9c%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/5659","title":{"rendered":"Xamarin\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u30c9\u30e9\u30c3\u30b0\u306b\u5bfe\u5fdc\u3059\u308b"},"content":{"rendered":"<p>\u3044\u308f\u3086\u308b\u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\u3057\u307e\u3059\u3002\u672c\u6765\u306f\u3053\u308c\u304c\u3084\u308a\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3054\u3068\u306b\u5fae\u5999\u306b\u9055\u3046\u306e\u3067\u65ad\u5ff5\u3002\u3069\u3046\u305b C# \u3067\u8a00\u8a9e\u3092\u305d\u308d\u3048\u308b\u306e\u3067\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u304c\u9069\u5f53\u306a\u30d8\u30eb\u30d1\u30fc\u30af\u30e9\u30b9\u3092\u4f5c\u308c\u3070\u7d71\u4e00\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n<h2>\u25a0Windows \u30b9\u30c8\u30a2\u30a2\u30d7\u30ea\u306e\u5834\u5408<\/h2>\n<p>ManipulationDelta \u3092\u4f7f\u3046\u3002<\/p>\n<pre class=\"brush: xml; title: ; notranslate\" title=\"\">\r\n&lt;Canvas \r\n    x:Name=&quot;canvas&quot;\r\n    ManipulationDelta=&quot;canvas_ManipulationDelta&quot;\r\n    HorizontalAlignment=&quot;Left&quot; Height=&quot;564&quot; Margin=&quot;80,10,0,0&quot; Grid.Row=&quot;1&quot; VerticalAlignment=&quot;Top&quot; Width=&quot;1200&quot;&gt;\r\n    &lt;Ellipse \r\n        x:Name=&quot;circle&quot;\r\n        ManipulationMode=&quot;All&quot;\r\n        Fill=&quot;#FF4CE035&quot; Height=&quot;100&quot; Canvas.Left=&quot;133&quot; Stroke=&quot;Black&quot; Canvas.Top=&quot;63&quot; Width=&quot;100&quot; \r\n        \/&gt;\r\n&lt;\/Canvas&gt;\r\n<\/pre>\n<p>Canvas \u3067 ManipulationDelta\u30a4\u30d9\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u3057\u3066\u3001\u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b ManipulationMode=&#8221;All&#8221; \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: csharp;\">\r\nprivate void canvas_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)\r\n{\r\n    var el = e.OriginalSource as UIElement;\r\n    var cir = el as Ellipse;\r\n    double x = Canvas.GetLeft(el) + e.Delta.Translation.X;\r\n    double y = Canvas.GetTop(el) + e.Delta.Translation.Y;\r\n    \/\/ \u753b\u9762\u304b\u3089\u306f\u307f\u51fa\u306a\u3044\u3088\u3046\u306b\u3059\u308b\r\n    if (-cir.ActualWidth \/ 2 &lt;= x &amp;&amp;\r\n        x &lt;= canvas.ActualWidth - cir.ActualWidth \/ 2 &amp;&amp;\r\n        -cir.ActualHeight \/ 2 &lt;= y &amp;&amp;\r\n        y &lt;= canvas.ActualHeight - cir.ActualHeight \/ 2)\r\n    {\r\n        Canvas.SetLeft(el, x);\r\n        Canvas.SetTop(el, y);\r\n    }\r\n}\r\n<\/pre>\n<p>ManipulationDelta \u30a4\u30d9\u30f3\u30c8\u3067\u306f\u3001\u5bfe\u8c61\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u79fb\u52d5\u8ddd\u96e2\u304c\u53d6\u308c\u308b\u306e\u3067\u3053\u308c\u3092\u4f7f\u3063\u3066\u4f4d\u7f6e\u3092\u79fb\u52d5\u3057\u307e\u3059\u3002Canvas\u4e0a\u306b\u4e57\u305b\u3066\u3044\u308b\u306e\u3067\u3001\u4f4d\u7f6e\u6307\u5b9a\u306f Canvas.SetLeft \u3068 Canvas.SetTop \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<h2>\u25a0Android\u306e\u5834\u5408<\/h2>\n<p>Touch \u30a4\u30d9\u30f3\u30c8\u3092\u4f7f\u3044\u307e\u3059\u3002Touch \u30a4\u30d9\u30f3\u30c8\u3067\u3001DOWN\/MOVE\/UP \u304c\u53d6\u308c\u308b\u306e\u3067\u3001\u3053\u308c\u3067\u5bfe\u8c61\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u30a6\u30a3\u30b8\u30c3\u30c8\uff09\u3092\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002<\/p>\n<pre class=\"brush: csharp;\">\r\nprotected override void OnCreate(Bundle bundle)\r\n{\r\n    base.OnCreate(bundle);\r\n\r\n    \/\/ Set our view from the \"main\" layout resource\r\n    SetContentView(Resource.Layout.Main);\r\n\r\n    \/\/ Get our button from the layout resource,\r\n    \/\/ and attach an event to it\r\n    this.iv1 = FindViewById(Resource.Id.imageView1);\r\n    this.iv2 = FindViewById(Resource.Id.imageView2);\r\n    this.iv1.SetImageResource(Resource.Drawable.MarkBlue);\r\n    this.iv2.SetImageResource(Resource.Drawable.MarkBlue);\r\n    this.text1 = FindViewById(Resource.Id.textView1);\r\n    iv1.Touch += iv1_Touch;\r\n    iv2.Touch += iv1_Touch;\r\n}\r\n\r\nbool moveFlag = false;\r\nfloat _sx, _sy;\r\nvoid iv1_Touch(object sender, View.TouchEventArgs e)\r\n{\r\n    var el = sender as ImageView;\r\n    if (el == null) return;\r\n\r\n    float x = e.Event.RawX;\r\n    float y = e.Event.RawY;\r\n\r\n    switch (e.Event.Action)\r\n    {\r\n    case MotionEventActions.Down:\r\n        _sx = x - el.Left;\r\n        _sy = y - el.Top;\r\n        moveFlag = true;\r\n        break;\r\n    case MotionEventActions.Move:\r\n        if (moveFlag)\r\n        {\r\n            int left = (int)(x - _sx);\r\n            int top = (int)(y - _sy);\r\n            el.Layout(left, top,\r\n                left + el.Width,\r\n                top + el.Height);\r\n        }\r\n        break;  \r\n    case MotionEventActions.Up:\r\n        moveFlag = false;\r\n        break;\r\n    }\r\n}<\/pre>\n<p>framelayout \u306b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4e57\u305b\u3066\u304a\u3051\u3070\u3001Layout \u30e1\u30bd\u30c3\u30c9\u3067\u4f4d\u7f6e\u6307\u5b9a\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u25a0iOS\u306e\u5834\u5408<\/h2>\n<p>\u30c9\u30e9\u30c3\u30b0\u3059\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u7d99\u627f\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u3001ViewController\u3067\u307e\u3068\u3081\u3066\u64cd\u4f5c\u3057\u3066\u307f\u307e\u3059\u3002TouchesBegan\u3001TouchesMoved\u3001TouchesEnded \u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: csharp;\">    \r\nUIImageView dragItem = null;\r\n\/\/\/ \u30bf\u30c3\u30c1\u958b\u59cb\r\npublic override void TouchesBegan(NSSet touches, UIEvent evt)\r\n{\r\n    base.TouchesBegan(touches, evt);\r\n     UITouch touch = touches.AnyObject as UITouch;\r\n     foreach (var el in this.drags) {\r\n        if (el.Frame.Contains (touch.LocationInView (View))) {\r\n            this.dragItem = el;\r\n            break;\r\n        }\r\n    }\r\n}\r\n\/\/\/ \u30bf\u30c3\u30c1\u79fb\u52d5\r\npublic override void TouchesMoved(NSSet touches, UIEvent evt)\r\n{\r\n    base.TouchesMoved(touches, evt);\r\n    UITouch touch = touches.AnyObject as UITouch;\r\n    PointF newPoint = touch.LocationInView(View);\r\n    PointF previousPoint = touch.PreviousLocationInView(View);\r\n    if (dragItem != null ) {\r\n        float offsetX = previousPoint.X - newPoint.X;\r\n        float offsetY = previousPoint.Y - newPoint.Y;\r\n        dragItem.Frame = new RectangleF (\r\n            new PointF (dragItem.Frame.X - offsetX, dragItem.Frame.Y - offsetY),\r\n            dragItem.Frame.Size);\r\n    }\r\n}\r\n\/\/\/ \u30bf\u30c3\u30c1\u7d42\u4e86\r\npublic override void TouchesEnded (NSSet touches, UIEvent evt)\r\n{\r\n    base.TouchesEnded (touches, evt);\r\n    dragItem = null;\r\n}\r\n<\/pre>\n<p>TouchesMoved \u30e1\u30bd\u30c3\u30c9\u3067\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u79fb\u52d5\u524d\u3068\u79fb\u52d5\u5f8c\u304c\u53d6\u308c\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002\u79fb\u52d5\u3057\u305f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5224\u5225\u3092 Frame.Contains \u3067\u4f7f\u3063\u3066\u3044\u308b\u306e\u304c\u3044\u3044\u307e\u3044\u3061\u306a\u306e\u3067\u3059\u304c\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u30c9\u30e9\u30c3\u30b0\u30a4\u30d9\u30f3\u30c8\u306e\u53d6\u5f97\u306e\u4ed5\u65b9\u304c\u5fae\u5999\u306b\u9055\u3046\u306e\u3067\u3001\u3084\u3084\u3053\u3057\u3044\u3067\u3059\u3002<\/p>\n<ul>\n<li>Windows \u30b9\u30c8\u30a2\u30a2\u30d7\u30ea\u306e\u5834\u5408\u306f\u3001\u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u306b\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u3067\u30a4\u30d9\u30f3\u30c8\u53d6\u5f97<\/li>\n<li>Android\u306e\u5834\u5408\u306f\u3001\u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u3001\u30b3\u30f3\u30c6\u30ca\u306b\u59d4\u8b72<\/li>\n<li>iOS\u306e\u5834\u5408\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u53d6\u5f97\u3057\u3066\u3001\u30c9\u30e9\u30c3\u30b0\u5bfe\u8c61\u3092\u8a08\u7b97\u3067\u7279\u5b9a<\/li>\n<\/ul>\n<p>\u3053\u306e\u3042\u305f\u308a\u306f\u3001\u3069\u3046\u305b C# \u3067\u4f5c\u308b\u306e\u3060\u304b\u3089\u7d71\u4e00\u3057\u3066\u304a\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u500b\u4eba\u7684\u306b\u306f Android \u65b9\u5f0f\u306e\u307b\u3046\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u3059\u304c\uff08Java \u3067\u306f\u30ea\u30b9\u30ca\u30fc\u30af\u30e9\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\u9006\u306b\u308f\u304b\u308a\u306b\u304f\u3044\uff09\u3001\u5dee\u5206\u3092\u53d6\u308c\u308b\u307b\u3046\u304c\u697d\u306a\u306e\u3067\u3001ManipulationDelta \u306e\u3088\u3046\u306b\u3067\u304d\u308b\u3068\u826f\u3044\u304b\u306a\u3068\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u306f \u3053\u3061\u3089 <a title=\"https:\/\/github.com\/moonmile\/SampleTouch\" href=\"https:\/\/github.com\/moonmile\/SampleRotate\">https:\/\/github.com\/moonmile\/SampleTouch<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3044\u308f\u3086\u308b\u753b\u50cf\u3092\u30c9\u30e9\u30c3\u30b0\u3057\u307e\u3059\u3002\u672c\u6765\u306f\u3053\u308c\u304c\u3084\u308a\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3054\u3068\u306b\u5fae\u5999\u306b\u9055\u3046\u306e\u3067\u65ad\u5ff5\u3002\u3069\u3046\u305b C# \u3067\u8a00\u8a9e\u3092\u305d\u308d\u3048\u308b\u306e\u3067\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u304c\u9069\u5f53\u306a\u30d8\u30eb\u30d1\u30fc\u30af\u30e9\u30b9\u3092\u4f5c\u308c\u3070\u7d71\u4e00\u3067\u304d\u305d\u3046\u3067\u3059\u3002 \u25a0Windows  &hellip; <a href=\"http:\/\/www.moonmile.net\/blog\/archives\/5659\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/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":[64,52,62,65],"tags":[],"class_list":["post-5659","post","type-post","status-publish","format-standard","hentry","category-android","category-winrt","category-xamarin","category-ios"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/5659","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=5659"}],"version-history":[{"count":7,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/5659\/revisions"}],"predecessor-version":[{"id":7676,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/5659\/revisions\/7676"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=5659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=5659"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=5659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}