{"id":42381,"date":"2023-12-11T14:56:24","date_gmt":"2023-12-11T06:56:24","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=42381"},"modified":"2023-12-11T14:56:24","modified_gmt":"2023-12-11T06:56:24","slug":"%e5%9b%be%e7%89%87%e5%8a%a0%e8%bd%bd%e6%a1%86%e6%9e%b6%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f%e4%bb%96%e4%bb%ac%e4%b9%8b%e9%97%b4%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e8%bf%99","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e5%9b%be%e7%89%87%e5%8a%a0%e8%bd%bd%e6%a1%86%e6%9e%b6%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f%e4%bb%96%e4%bb%ac%e4%b9%8b%e9%97%b4%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e8%bf%99\/","title":{"rendered":"\u56fe\u7247\u52a0\u8f7d\u6846\u67b6\u6709\u54ea\u4e9b\uff1f\u4ed6\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f(\u8fd9\u4e2a\u4e5f\u662f\u5fc5\u95ee\u7684)"},"content":{"rendered":"

“`”<\/p>\n

<strong>ImageLoader<\/strong> \uff1a
\n\u4f18\u70b9\uff1a
\n\u2460\u3000\u652f\u6301\u4e0b\u8f7d\u8fdb\u5ea6\u76d1\u542c\uff1b
\n\u2461\u3000\u53ef\u4ee5\u5728 View \u6eda\u52a8\u4e2d\u6682\u505c\u56fe\u7247\u52a0\u8f7d\uff1b
\n\u2462\u3000\u9ed8\u8ba4\u5b9e\u73b0\u591a\u79cd\u5185\u5b58\u7f13\u5b58\u7b97\u6cd5\u8fd9\u51e0\u4e2a\u56fe\u7247\u7f13\u5b58\u90fd\u53ef\u4ee5\u914d\u7f6e\u7f13\u5b58\u7b97\u6cd5\uff0c\u4e0d\u8fc7 ImageLoader \u9ed8\u8ba4\u5b9e\u73b0\u4e86\u8f83\u591a\u7f13\u5b58\u7b97\u6cd5\uff0c\u5982 Size \u6700\u5927\u5148\u5220\u9664\u3001\u4f7f\u7528\u6700\u5c11\u5148\u5220\u9664\u3001\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u3001\u5148\u8fdb\u5148\u5220\u9664\u3001\u65f6\u95f4\u6700\u957f\u5148\u5220\u9664\u7b49\uff1b
\n\u2463\u3000\u652f\u6301\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u540d\u89c4\u5219\u5b9a\u4e49\uff1b
\n\u7f3a\u70b9:
\n\u7f3a\u70b9\u5728\u4e8e\u4e0d\u652f\u6301GIF\u56fe\u7247\u52a0\u8f7d, \u7f13\u5b58\u673a\u5236\u6ca1\u6709\u548chttp\u7684\u7f13\u5b58\u5f88\u597d\u7684\u7ed3\u5408, \u5b8c\u5168\u662f\u81ea\u5df1\u7684\u4e00\u5957\u7f13\u5b58\u673a\u5236<\/p>\n

<strong>Picasso<\/strong>\uff1a
\n\u4f18\u70b9\uff1a
\n\u2460\u3000\u81ea\u5e26\u7edf\u8ba1\u76d1\u63a7\u529f\u80fd\uff0c\u652f\u6301\u56fe\u7247\u7f13\u5b58\u4f7f\u7528\u7684\u76d1\u63a7\uff0c\u5305\u62ec\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u5df2\u4f7f\u7528\u5185\u5b58\u5927\u5c0f\u3001\u8282\u7701\u7684\u6d41\u91cf\u7b49\u3002
\n\u2461\u3000\u652f\u6301\u4f18\u5148\u7ea7\u5904\u7406
\n\u2462\u3000\u652f\u6301\u5ef6\u8fdf\u5230\u56fe\u7247\u5c3a\u5bf8\u8ba1\u7b97\u5b8c\u6210\u52a0\u8f7d
\n\u2463\u3000\u652f\u6301\u98de\u884c\u6a21\u5f0f\u3001\u5e76\u53d1\u7ebf\u7a0b\u6570\u6839\u636e\u7f51\u7edc\u7c7b\u578b\u800c\u53d8\uff0c\u624b\u673a\u5207\u6362\u5230\u98de\u884c\u6a21\u5f0f\u6216\u7f51\u7edc\u7c7b\u578b\u53d8\u6362\u65f6\u4f1a\u81ea\u52a8\u8c03\u6574\u7ebf\u7a0b\u6c60\u6700\u5927\u5e76\u53d1\u6570\u3002
\n\u2464 \u201c\u65e0\u201d\u672c\u5730\u7f13\u5b58\u3002Picasso \u81ea\u5df1\u6ca1\u6709\u5b9e\u73b0\u672c\u5730\u7f13\u5b58\uff0c\u800c\u7531okhttp \u53bb\u5b9e\u73b0\uff0c\u8fd9\u6837\u7684\u597d\u5904\u662f\u53ef\u4ee5\u901a\u8fc7\u8bf7\u6c42 Response Header \u4e2d\u7684 Cache-Control \u53ca Expired \u63a7\u5236\u56fe\u7247\u7684\u8fc7\u671f\u65f6\u95f4\u3002
\n\u7f3a\u70b9\uff1a
\n\u4e8e\u4e0d\u652f\u6301GIF\uff0c\u9ed8\u8ba4\u4f7f\u7528ARGB_8888\u683c\u5f0f\u7f13\u5b58\u56fe\u7247\uff0c\u7f13\u5b58\u4f53\u79ef\u5927\u3002<\/p>\n

<strong>Glide<\/strong>\uff1a
\n\u4f18\u70b9\uff1a
\n\u2460\u3000\u56fe\u7247\u7f13\u5b58->\u5a92\u4f53\u7f13\u5b58 \uff0c\u652f\u6301 Gif\u3001WebP\u3001\u7f29\u7565\u56fe\u3002\u751a\u81f3\u662f Video\u3002
\n\u2461\u3000\u652f\u6301\u4f18\u5148\u7ea7\u5904\u7406
\n\u2462\u3000\u4e0e Activity\/Fragment \u751f\u547d\u5468\u671f\u4e00\u81f4\uff0c\u652f\u6301 trimMemory
\n\u2463\u3000\u652f\u6301 okhttp\u3001Volley\u3002Glide \u9ed8\u8ba4\u901a\u8fc7 UrlConnection \u83b7\u53d6\u6570\u636e\uff0c\u53ef\u4ee5\u914d\u5408 okhttp \u6216\u662f Volley \u4f7f\u7528\u3002\u5b9e\u9645 ImageLoader\u3001Picasso \u4e5f\u90fd\u652f\u6301 okhttp\u3001Volley\u3002
\n\u2464\u3000\u5185\u5b58\u53cb\u597d\uff0c\u5185\u5b58\u7f13\u5b58\u66f4\u5c0f\u56fe\u7247\uff0c\u56fe\u7247\u9ed8\u8ba4\u4f7f\u7528\u9ed8\u8ba4 RGB565 \u800c\u4e0d\u662f ARGB888
\n\u7f3a\u70b9\uff1a
\n\u6e05\u6670\u5ea6\u5dee\uff0c\u4f46\u53ef\u4ee5\u8bbe\u7f6e<\/p>\n

<strong>Fresco<\/strong>\uff1a<\/p>\n

\u4f18\u70b9:<\/p>\n

\u2460\u3000\u56fe\u7247\u5b58\u50a8\u5728\u5b89\u5353\u7cfb\u7edf\u7684\u533f\u540d\u5171\u4eab\u5185\u5b58, \u800c\u4e0d\u662f\u865a\u62df\u673a\u7684\u5806\u5185\u5b58\u4e2d,\u6240\u4ee5\u4e0d\u4f1a\u56e0\u4e3a\u56fe\u7247\u52a0\u8f7d\u800c\u5bfc\u81f4oom, \u540c\u65f6\u4e5f\u51cf\u5c11\u5783\u573e\u56de\u6536\u5668\u9891\u7e41\u8c03\u7528\u56de\u6536Bitmap\u5bfc\u81f4\u7684\u754c\u9762\u5361\u987f,\u6027\u80fd\u66f4\u9ad8.
\n\u2461\u3000\u6e10\u8fdb\u5f0f\u52a0\u8f7dJPEG\u56fe\u7247, \u652f\u6301\u56fe\u7247\u4ece\u6a21\u7cca\u5230\u6e05\u6670\u52a0\u8f7d
\n\u2462\u3000\u56fe\u7247\u53ef\u4ee5\u4ee5\u4efb\u610f\u7684\u4e2d\u5fc3\u70b9\u663e\u793a\u5728ImageView, \u800c\u4e0d\u4ec5\u4ec5\u662f\u56fe\u7247\u7684\u4e2d\u5fc3.
\n\u2463 JPEG\u56fe\u7247\u6539\u53d8\u5927\u5c0f\u4e5f\u662f\u5728native\u8fdb\u884c\u7684, \u4e0d\u662f\u5728\u865a\u62df\u673a\u7684\u5806\u5185\u5b58, \u540c\u6837\u51cf\u5c11OOM
\n\u2464\u3000\u5f88\u597d\u7684\u652f\u6301GIF\u56fe\u7247\u7684\u663e\u793a
\n\u7f3a\u70b9:
\n\u6846\u67b6\u8f83\u5927, \u5f71\u54cdApk\u4f53\u79ef\uff0c\u4f7f\u7528\u8f83\u7e41\u7410<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” <strong>ImageLoader<\/strong&gt […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-42381","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/42381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=42381"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/42381\/revisions"}],"predecessor-version":[{"id":42382,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/42381\/revisions\/42382"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=42381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=42381"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=42381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}