{"id":6111,"date":"2017-12-26T10:00:25","date_gmt":"2017-12-26T01:00:25","guid":{"rendered":"https:\/\/www.gigas-jp.com\/appnews\/?p=6111"},"modified":"2017-12-25T18:51:55","modified_gmt":"2017-12-25T09:51:55","slug":"%e6%96%b0%e4%ba%ba%e7%a0%94%e4%bf%ae%e3%81%ae%e8%a8%98%e9%8c%b23","status":"publish","type":"post","link":"https:\/\/www.gigas-jp.com\/appnews\/archives\/6111","title":{"rendered":"\u65b0\u4eba\u7814\u4fee\u306e\u8a18\u93323"},"content":{"rendered":"<p>Android\u3067\u5186\u3092\u63cf\u304f\u306b\u306fdrawCircle\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u305b\u3070\u5bb9\u6613\u306b\u5186\u3092\u63cf\u753b\u3067\u304d\u307e\u3059\u304c\u3001<br \/>\n \u5186\u5f27\u3092\u63cf\u304f\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n \u4eca\u56de\u306f\u65b0\u4eba\u7814\u4fee\u3067\u5186\u5f27\u3092\u63cf\u753b\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-6113\" src=\"\/appnews\/wp-content\/uploads\/sites\/4\/2017\/12\/aa28af4a5ed77ebfb36fa8306b2adfee-273x300.png\" alt=\"\" width=\"273\" height=\"300\" srcset=\"https:\/\/www.gigas-jp.com\/appnews\/wp-content\/uploads\/sites\/4\/2017\/12\/aa28af4a5ed77ebfb36fa8306b2adfee-273x300.png 273w, https:\/\/www.gigas-jp.com\/appnews\/wp-content\/uploads\/sites\/4\/2017\/12\/aa28af4a5ed77ebfb36fa8306b2adfee.png 1440w\" sizes=\"(max-width: 273px) 100vw, 273px\" \/><\/p>\n<p><!--more--><\/p>\n<p>\u5186\u5f27\u3092\u63cf\u304f\u306b\u306fdrawCircle\u3067\u306f\u306a\u304fdrawArc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br \/>\n \u307e\u305f\u3001\u5186\u3068\u9055\u3046\u3068\u3053\u308d\u306fdrawArc\u3092\u4f7f\u7528\u3059\u308b\u524d\u306bRectF\u3067\u77e9\u5f62\u9818\u57df\u3092\u6307\u5b9a\u3059\u308b\u3068\u3053\u308d\u3067\u3059\u3002<br \/>\n \u307e\u305a\u3001RectF\u3067\u77e9\u5f62\u9818\u57df\u3092\u6307\u5b9a\u3057\u3001\u6307\u5b9a\u3057\u305f\u9818\u57df\u5185\u306b\u5186\u5f27\u304c\u63cf\u304b\u308c\u308b\u3068\u3044\u3063\u305f\u611f\u3058\u3067\u3059\u3002<\/p>\n<p>drawArc\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>drawArc(RectF , float startAngle, float sweepAngle, boolean useCenter, paint)<\/p>\n<p>RectF\u3067\u77e9\u5f62\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3001startAngle\u3092\u8d77\u70b9\u306b\u3057\u3066\u6642\u8a08\u56de\u308a\u306bsweepAngle\u306e\u89d2\u5ea6\u3067<br \/>\n \u5186\u5f27\u3092\u63cf\u304d\u307e\u3059\u3002<br \/>\n \u3061\u306a\u307f\u306bstartAngle\u306f\u6642\u8a08\u306e3\u6642\u306e\u4f4d\u7f6e\u304c0\u5ea6\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n \u5f93\u3063\u3066\u3001startAngle\u306b180\u5ea6\u3068\u5165\u529b\u3059\u308b\u3068\u6642\u8a08\u306e9\u6642\u306e\u4f4d\u7f6e\u304c\u958b\u59cb\u70b9\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n \u307e\u305f\u3001useCenter\u3092true\u306b\u3059\u308b\u3068\u3001\u5186\u5f27\u5185\u3092\u5857\u308a\u3064\u3076\u3059\u3053\u3068\u304c\u3067\u304d\u3001paint\u306b\u306f\u8272\u3092<br \/>\n \u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p>protected void onDraw(Canvas canvas) {<br \/>\n \u00a0 \u00a0 super.onDraw(canvas);<\/p>\n<p> \u3000\/\/paint\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210<br \/>\n \u00a0 \u00a0 Paint paint = new Paint();<\/p>\n<p>\u00a0 \u00a0 \/\/\u8272\u3092\u8a2d\u5b9a(\u3053\u306e\u5834\u5408\u8d64\u8272)<br \/>\n \u00a0 \u00a0 paint.setColor(Color.argb(255, 255, 0, 0));<\/p>\n<p>\u00a0 \u00a0 \/\/\u77e9\u5f62\u5ea7\u6a19\u6307\u5b9a<br \/>\n \u00a0 \u00a0 RectF rect = new RectF(200, 500, 1200, 1500);<\/p>\n<p>\u00a0 \u00a0 \/\/\u5186\u5f27\u5185\u3092\u542b\u3081\u3066\u63cf\u753b(\u5857\u308a\u3064\u3076\u3057)<br \/>\n \u00a0 \u00a0 canvas.drawArc(rect, 0, 90, true, paint);<\/p>\n<p>}<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5186\u3092\u63cf\u304f\u306e\u306f\u7c21\u5358\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u5186\u5f27\u306fRectF\u3067\u77e9\u5f62\u5ea7\u6a19\u3092\u6307\u5b9a\u3057\u305f\u308a\u3001<br \/>\n startAngle\u3084sweepAngle\u304c\u3042\u3063\u305f\u308a\u3067\u3001\u6700\u521d\u306f\u3088\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001<br \/>\n \u3053\u3046\u3084\u3063\u3066\u6574\u7406\u3059\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>\u5fdc\u7528\u4f8b\u3068\u3057\u3066\u6307\u306e\u52d5\u304d\u306b\u5186\u5f27\u304c\u8ffd\u5f93\u3057\u3066\u52d5\u304f\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3001<br \/>\n \u3084\u308a\u65b9\u6b21\u7b2c\u3067\u306f\u9762\u767d\u3044\u30a2\u30d7\u30ea\u304c\u4f5c\u308c\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u706b\u66dc\u62c5\u5f53\uff1aTamamo<\/p>\n<div class='wp_social_bookmarking_light'>\n            <div class=\"wsbl_google_plus_one\"><g:plusone size=\"medium\" annotation=\"none\" href=\"https:\/\/www.gigas-jp.com\/appnews\/archives\/6111\" ><\/g:plusone><\/div>\n            <div class=\"wsbl_hatena_button\"><a href=\"\/\/b.hatena.ne.jp\/entry\/https:\/\/www.gigas-jp.com\/appnews\/archives\/6111\" class=\"hatena-bookmark-button\" data-hatena-bookmark-title=\"\u65b0\u4eba\u7814\u4fee\u306e\u8a18\u93323\" data-hatena-bookmark-layout=\"standard\" title=\"\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0\"> <img src=\"\/\/b.hatena.ne.jp\/images\/entry-button\/button-only@2x.png\" alt=\"\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0\" width=\"20\" height=\"20\" style=\"border: none;\" \/><\/a><script type=\"text\/javascript\" src=\"\/\/b.hatena.ne.jp\/js\/bookmark_button.js\" charset=\"utf-8\" async=\"async\"><\/script><\/div>\n            <div class=\"wsbl_twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"https:\/\/www.gigas-jp.com\/appnews\/archives\/6111\" data-text=\"\u65b0\u4eba\u7814\u4fee\u306e\u8a18\u93323\" data-via=\"GIGASJAPAN_APPS\" data-lang=\"ja\">Tweet<\/a><\/div>\n            <div class=\"wsbl_facebook_like\"><div id=\"fb-root\"><\/div><fb:like href=\"https:\/\/www.gigas-jp.com\/appnews\/archives\/6111\" layout=\"button_count\" action=\"like\" width=\"100\" share=\"false\" show_faces=\"false\" ><\/fb:like><\/div>\n            <div class=\"wsbl_facebook_send\"><div id=\"fb-root\"><\/div><fb:send href=\"https:\/\/www.gigas-jp.com\/appnews\/archives\/6111\" colorscheme=\"light\" ><\/fb:send><\/div>\n    <\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>Android\u3067\u5186\u3092\u63cf\u304f\u306b\u306fdrawCircle\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u305b\u3070\u5bb9\u6613\u306b\u5186\u3092\u63cf\u753b\u3067\u304d\u307e\u3059\u304c\u3001 \u5186\u5f27\u3092\u63cf\u304f\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f \u4eca\u56de\u306f\u65b0\u4eba\u7814\u4fee\u3067\u5186\u5f27\u3092\u63cf\u753b\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[100,12],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/posts\/6111"}],"collection":[{"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/comments?post=6111"}],"version-history":[{"count":7,"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/posts\/6111\/revisions"}],"predecessor-version":[{"id":6125,"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/posts\/6111\/revisions\/6125"}],"wp:attachment":[{"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/media?parent=6111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/categories?post=6111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gigas-jp.com\/appnews\/wp-json\/wp\/v2\/tags?post=6111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}