{"id":2219,"date":"2012-11-13T21:58:09","date_gmt":"2012-11-13T12:58:09","guid":{"rendered":"http:\/\/www.lancard.com\/blog\/?p=2219"},"modified":"2025-03-12T11:29:20","modified_gmt":"2025-03-12T02:29:20","slug":"android%e3%81%a7%e5%bd%b1%e3%82%92%e6%8f%8f%e3%81%84%e3%81%a6%e3%81%bf%e3%82%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.lancard.com\/blog\/2012\/11\/13\/android%e3%81%a7%e5%bd%b1%e3%82%92%e6%8f%8f%e3%81%84%e3%81%a6%e3%81%bf%e3%82%8b%e3%80%82\/","title":{"rendered":"Android\u3067\u5f71\u3092\u63cf\u3044\u3066\u307f\u308b\u3002"},"content":{"rendered":"

\u305a\u3063\u3068\u524d\u304b\u3089\u30d6\u30ed\u30b0\u306e\u30cd\u30bf\u3068\u3057\u3066\u6696\u3081\u3066\u3044\u305f\u3001Android\u3067\u5f71\u3092\u63cf\u304f\u65b9\u6cd5\u3092\u66f8\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u5148\u306b\u66f8\u3044\u305f\u30bd\u30fc\u30b9\u3092\u8f09\u305b\u307e\u3059\u3002<\/p>\n

\r\n\r\nimport android.content.Context;\r\nimport android.graphics.BlurMaskFilter;\r\nimport android.graphics.Canvas;\r\nimport android.graphics.Color;\r\nimport android.graphics.Paint;\r\nimport android.graphics.RectF;\r\nimport android.view.View;\r\n\r\npublic class ShadowView extends View {\r\n\r\nprivate Paint white = null;\r\nprivate Paint black = null;\r\nprivate Paint shadow = null;\r\n\r\nprivate RectF rect = null;\r\nprivate RectF shadowRect = null;\r\n\r\npublic ShadowView(Context context) {\r\nsuper(context);\r\n\r\nwhite = new Paint();\r\nwhite.setColor(Color.WHITE);\r\nwhite.setAntiAlias(true);\r\n\r\nblack = new Paint();\r\nblack.setStyle(Paint.Style.STROKE);\r\nblack.setAntiAlias(true);\r\n\r\nshadow = new Paint();\r\nshadow.setStyle(Paint.Style.FILL);\r\nshadow.setColor(Color.argb(112, 0, 0, 0));\r\nBlurMaskFilter blur = new BlurMaskFilter(8, BlurMaskFilter.Blur.NORMAL);\r\nshadow.setMaskFilter(blur);\r\n\r\nrect = new RectF(50f,100f,250f,200f);\r\n\r\nfloat diff = 30f;\r\nshadowRect = new RectF(50f + diff,100f + diff,250f + diff,200f + diff);\r\n}\r\n\r\n@Override\r\nprotected void onDraw(Canvas canvas) {\r\nsuper.onDraw(canvas);\r\n\r\n\/\/\u80cc\u666f\u3092\u63cf\u753b\r\ndrawBackground(canvas);\r\n\r\n\/\/\u89d2\u4e38\u306e\u77e9\u5f62\u306e\u5f71\r\ncanvas.drawRoundRect(shadowRect, 50, 50, shadow);\r\n\r\n\/\/\u89d2\u4e38\u306e\u77e9\u5f62\u306e\u80cc\u666f(\u767d)\r\ncanvas.drawRoundRect(rect, 50, 50, white);\r\n\r\n\/\/\u89d2\u4e38\u306e\u77e9\u5f62\u306e\u67a0\u7dda(\u9ed2)\r\ncanvas.drawRoundRect(rect, 50, 50, black);\r\n}\r\n\r\n\/**\r\n * \u80cc\u666f\u3092\u63cf\u753b\r\n * @param canvas\r\n *\/\r\nprivate void drawBackground(Canvas canvas){\r\nPaint paint = new Paint();\r\npaint.setColor(Color.rgb(214, 233, 255));\r\n\r\nint height = getHeight();\r\nint width = getWidth();\r\n\r\nint y = 0;\r\nwhile(y\n
0)\u5f71\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u306b\u306a\u3093\u3068\u306a\u304f\u7528\u610f\u3057\u305f\u80cc\u666f
\n\"\"<\/a><\/p>\n
1)\u307e\u305a\u5f71\u3092\u3064\u3051\u305f\u3044\u3082\u306e\u3092\u63cf\u304d\u307e\u3059\u3002
\n\"\"<\/a><\/p>\n
2)\u305d\u308c\u3092\u53f3\u4e0b\u306b\u305a\u3089\u3057\u305f\u77e9\u5f62\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n
\u53f3\u4e0b\u306b30\u305a\u3089\u3057\u3066\u307e\u3059\u3002
\nrect = new RectF(50f,100f,250f,200f);
\n\u2193
\nfloat diff = 30f;
\nshadowRect = new RectF(50f + diff,100f + diff,250f + diff,200f + diff);<\/p>\n
3)\u305d\u308c\u3092\u5f71\u3063\u307d\u3044\u30da\u30a4\u30f3\u30c8\u3067\u63cf\u753b\u3057\u307e\u3059\u3002
\n\"\"<\/a><\/p>\n
4)\u3042\u3068\u306f\u3001\u5f71\u2192\u80cc\u666f\u2192\u67a0\u306e\u9806\u3067\u63cf\u753b\u3057\u3066\u5b8c\u4e86\u3002
\n\"\"<\/a><\/p>\n
\u306a\u3093\u304b\u66f8\u3044\u3066\u307f\u305f\u3089\u3001\u305a\u3063\u3068\u6696\u3081\u3066\u3044\u305f\u5272\u306b\u7c21\u5358\u3060\u3063\u305f\u30fb\u30fb\u3002
\n\u6696\u3081\u3059\u304e\u305f\u304b\u30fb\u30fb\u3002<\/p>\n
\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u5f71\u306e\u30da\u30a4\u30f3\u30c8\u306f\u3001\u307c\u304b\u3057\u52b9\u679c\u3092\u3044\u308c\u308b\u3068\u3053\u308d\u3067\u3059\u3002
\nBlurMaskFilter blur = new BlurMaskFilter(8, BlurMaskFilter.Blur.NORMAL);<\/p>\n\"Facebook\"<\/a>\"twitter\"<\/a>\"linkedin\"<\/a>\"tumblr\"<\/a>\"mail\"<\/a>","protected":false},"excerpt":{"rendered":"
\u305a\u3063\u3068\u524d\u304b\u3089\u30d6\u30ed\u30b0\u306e\u30cd\u30bf\u3068\u3057\u3066\u6696\u3081\u3066\u3044\u305f\u3001Android\u3067\u5f71\u3092\u63cf\u304f\u65b9\u6cd5\u3092\u66f8\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u5148\u306b\u66f8\u3044\u305f\u30bd\u30fc\u30b9\u3092\u8f09\u305b\u307e\u3059\u3002 import android.content.Context; import android.g […]<\/p>\n","protected":false},"author":21,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93,8],"tags":[139],"class_list":["post-2219","post","type-post","status-publish","format-standard","hentry","category-android","category-java","tag-android"],"_links":{"self":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/2219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/comments?post=2219"}],"version-history":[{"count":12,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/2219\/revisions"}],"predecessor-version":[{"id":2235,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/2219\/revisions\/2235"}],"wp:attachment":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/media?parent=2219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/categories?post=2219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/tags?post=2219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}