{"id":990,"date":"2021-03-16T18:45:12","date_gmt":"2021-03-16T09:45:12","guid":{"rendered":"https:\/\/www.opentone.co.jp\/ot-lab\/?p=990"},"modified":"2025-05-12T10:06:19","modified_gmt":"2025-05-12T01:06:19","slug":"android","status":"publish","type":"post","link":"https:\/\/www.opentone.co.jp\/ot-lab\/all\/web-system\/android","title":{"rendered":"Android \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3057\u3066\u307f\u3088\u3046"},"content":{"rendered":"\n<p>Android\u306fiPhone\u3068\u9055\u3044\u3001\u5404\u793e\u304b\u3089\u3055\u307e\u3056\u307e\u306a\u6a5f\u7a2e\u304c\u767a\u58f2\u3055\u308c\u3066\u3044\u308b\u305f\u3081<br>\u7aef\u672b\u4f9d\u5b58\u306e\u30d0\u30b0\u304c\u51fa\u3084\u3059\u3044\u3067\u3059\u3088\u306d\u3002<br>\u305d\u3093\u306a\u7aef\u672b\u4f9d\u5b58\u306e\u30d0\u30b0\u3092\u5c11\u3057\u3067\u3082\u6e1b\u3089\u3059\u305f\u3081<br>\u4eca\u56de\u306f\u3001\u7aef\u672b\u3054\u3068\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u53d6\u5f97\u65b9\u6cd5\u306b\u3064\u3044\u3066<br>\u8a18\u4e8b\u3092\u66f8\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u3069\u3093\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u30fbOutOfMemoryError\u306e\u56de\u907f<br>\u4f7f\u7528\u3057\u3066\u3044\u308b\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u8d85\u3048\u306a\u3044\u3088\u3046\u8abf\u6574\u3059\u308b<br>(\u57fa\u672c\u7684\u306b\u306f\u4e0d\u8981\u306b\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u306a\u3044\u4f5c\u308a\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u8d77\u3053\u3055\u306a\u3044\u4f5c\u308a\u306b\u3059\u308b\u3053\u3068)<\/p>\n\n\n\n<p>\u30fb\u30e1\u30e2\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6700\u5927\u30e1\u30e2\u30ea\u30b5\u30a4\u30ba\u3092\u6a5f\u7a2e\u3054\u3068\u306b\u6307\u5b9a\u3067\u304d\u308b<br>\u5168\u3066\u306e\u7aef\u672b\u306b\u5171\u901a\u306e\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u3067\u306f\u306a\u304f<br>\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u304b\u3089\u6700\u5927\u30e1\u30e2\u30ea\u30b5\u30a4\u30ba\u3092\u52d5\u7684\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306b\u3088\u308a<br>\u30b9\u30da\u30c3\u30af\u306e\u9ad8\u3044\u6a5f\u7a2e\u3092\u30cf\u30a4\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u52d5\u4f5c\u3055\u305b<br>\u30b9\u30da\u30c3\u30af\u306e\u4f4e\u3044\u6a5f\u7a2e\u3067\u306f\u30e1\u30e2\u30ea\u4e0d\u8db3\u306b\u3088\u308b\u3082\u305f\u3064\u304d\u3084\u3001OutOfMemory\u3092\u56de\u907f<br>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u53d6\u5f97\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u306e\u53d6\u5f97\u65b9\u6cd5\u306e\u3046\u3061\u3001\u4eca\u56de\u306f2\u901a\u308a\u306e\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30fbBytes\u3067\u53d6\u5f97<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[java]\nRuntime.getRuntime().maxMemory();\n[\/java]<\/pre>\n\n\n\n<p>\u30fbMegabytes\u3067\u53d6\u5f97<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[java]\n((ActivityManager) getSystemService(Context.ACTIVITY_SERVICE)).getMemoryClass();\n[\/java]<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306b\u3088\u308a\u3001\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070 LruCache \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3067\u3042\u308c\u3070<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[java]\n\/\/ \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\nfinal int mMemoryClass = \n((ActivityManager) getSystemService(Context.ACTIVITY_SERVICE)).getMemoryClass();\n\n\/\/ LruCache\u306e\u30e1\u30e2\u30ea\u6700\u5927\u5024\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d2\u30fc\u30d7\u30b5\u30a4\u30ba(Byte)\u306e1\/10\u306b\u8a2d\u5b9a\nfinal int cacheMaxSize = mMemoryClass * 1024 * 1024 \/ 10;\nLruCache&lt;String, Bitmap&gt; mLruCache = new LruCache&lt;String, Bitmap&gt;(cacheMaxSize)\u30fb\u30fb\u30fb\n[\/java]<\/pre>\n\n\n\n<p>\u3068\u66f8\u304f\u3053\u3068\u306b\u3088\u308a\u3001\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u306d\u3002&nbsp;<\/p>\n<div class=\"opent-_2\" style=\"margin-top: 10px;margin-right: 10px;margin-bottom: 10px;margin-left: 10px;\" id=\"opent-142987498\"><a href=\"https:\/\/www.opentone.co.jp\/backlog\/\" aria-label=\"twitter_backlogskt_new\"><img src=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2023\/02\/twitter_backlogskt_new.jpg\" alt=\"\"  srcset=\"https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2023\/02\/twitter_backlogskt_new.jpg 1024w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2023\/02\/twitter_backlogskt_new-300x157.jpg 300w, https:\/\/www.opentone.co.jp\/ot-lab\/wp-content\/uploads\/sites\/11\/2023\/02\/twitter_backlogskt_new-768x401.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" width=\"384\" height=\"200\"   \/><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>Android\u306fiPhone\u3068\u9055\u3044\u3001\u5404\u793e\u304b\u3089\u3055\u307e\u3056\u307e\u306a\u6a5f\u7a2e\u304c\u767a\u58f2\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u7aef\u672b\u4f9d\u5b58\u306e\u30d0\u30b0\u304c\u51fa\u3084\u3059<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-990","post","type-post","status-publish","format-standard","hentry","category-web-system",""],"acf":[],"aioseo_notices":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"engage-mag-carousel-img":false,"engage-mag-carousel-img-landscape":false,"engage-mag-carousel-large-img":false,"engage-mag-carousel-large-img-landscape":false,"engage-mag-large-thumb":false,"engage-mag-small-thumb":false},"uagb_author_info":{"display_name":"ah106rx4o4","author_link":"https:\/\/www.opentone.co.jp\/ot-lab\/author\/ah106rx4o4"},"uagb_comment_info":0,"uagb_excerpt":"Android\u306fiPhone\u3068\u9055\u3044\u3001\u5404\u793e\u304b\u3089\u3055\u307e\u3056\u307e\u306a\u6a5f\u7a2e\u304c\u767a\u58f2\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u7aef\u672b\u4f9d\u5b58\u306e\u30d0\u30b0\u304c\u51fa\u3084\u3059","_links":{"self":[{"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/posts\/990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/comments?post=990"}],"version-history":[{"count":2,"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/posts\/990\/revisions"}],"predecessor-version":[{"id":993,"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/posts\/990\/revisions\/993"}],"wp:attachment":[{"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/media?parent=990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/categories?post=990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.opentone.co.jp\/ot-lab\/wp-json\/wp\/v2\/tags?post=990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}