{"id":12746,"date":"2022-11-24T15:49:35","date_gmt":"2022-11-24T07:49:35","guid":{"rendered":"https:\/\/www.yimenapp.com\/kb-yimen\/?p=12746"},"modified":"2022-11-24T15:49:36","modified_gmt":"2022-11-24T07:49:36","slug":"%e5%b0%8f%e7%b1%b3%e5%bc%80%e5%8f%91%e5%b9%b3%e5%8f%b0%e5%ba%94%e7%94%a8%e8%af%bb%e5%86%99%e6%96%87%e4%bb%b6api%e6%a0%87%e5%87%86%e5%bb%ba%e8%ae%ae","status":"publish","type":"post","link":"https:\/\/www.yimenapp.com\/kb-yimen\/12746\/","title":{"rendered":"\u5c0f\u7c73\u5f00\u53d1\u5e73\u53f0\u5e94\u7528\u8bfb\u5199\u6587\u4ef6API\u6807\u51c6\u5efa\u8bae"},"content":{"rendered":"\n<p>\u5c0f\u7c73\u5f00\u53d1\u5e73\u53f0\u5e94\u7528<span class=\"wpcom_tag_link\"><a href=\"https:\/\/www.yimenapp.com\/kb-yimen\/tag\/%e8%af%bb%e5%86%99%e6%96%87%e4%bb%b6api\/\" title=\"\u8bfb\u5199\u6587\u4ef6API\" target=\"_blank\">\u8bfb\u5199\u6587\u4ef6API<\/a><\/span>\u6807\u51c6\u5efa\u8bae<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_0\">1.\u80cc\u666f\u4e0e\u4ecb\u7ecd<\/h2>\n\n\n\n<p>\u76ee\u524dAndroid 11\u4e0a<span class=\"wpcom_tag_link\"><a href=\"https:\/\/www.yimenapp.com\/kb-yimen\/tag\/google\/\" title=\"Google\" target=\"_blank\">Google<\/a><\/span>\u63a8\u51fa\u7684fuse\u6587\u4ef6\u7cfb\u7edf\u548c<span class=\"wpcom_tag_link\"><a href=\"https:\/\/www.yimenapp.com\/kb-yimen\/tag\/sdcardfs\/\" title=\"sdcardfs\" target=\"_blank\">sdcardfs<\/a><\/span>\u76f8\u7ed3\u5408\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u76ee\u524d\u5e38\u7528\u76ee\u5f55\u9664\u4e86storage\/emulated\/0\/Android\/data\u4f7f\u7528\u7684\u662fsdcardfs\u5176\u4ed6\u90fd\u4f7f\u7528\u7684\u662ffuse\u6587\u4ef6\u7cfb\u7edf\u3002\u7531\u4e8efuse\u6587\u4ef6\u7cfb\u7edf\u7684\u7279\u6027\uff0c\u4f1a\u4ecefile\u7684\u8bbf\u95ee\u5230\u5a92\u4f53\u5e93\u76f8\u5173\u903b\u8f91\uff0c\u6240\u4ee5\u5f15\u53d1\u76f8\u5173\u6027\u80fd\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_1\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_2\">2.<span class=\"wpcom_tag_link\"><a href=\"https:\/\/www.yimenapp.com\/kb-yimen\/tag\/%e8%af%bb%e5%86%99%e6%96%87%e4%bb%b6\/\" title=\"\u8bfb\u5199\u6587\u4ef6\" target=\"_blank\">\u8bfb\u5199\u6587\u4ef6<\/a><\/span>API\u5efa\u8bae<\/h2>\n\n\n\n<p>\u76ee\u5f55\u5efa\u8bae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5bf9\u4e8e\u79c1\u6709\u6587\u4ef6\u5efa\u8bae\u5b58\u50a8\u5728storage\/emulated\/0\/Android\/data\u76ee\u5f55\u4e0b\u3002\u8be5\u76ee\u5f55\u4e0b\u4e0d\u5b58\u5728\u6743\u9650\u7b49\u5224\u65ad\u3002<\/li><li>\u5bf9\u4e8e\u5171\u4eab\u6587\u4ef6\u5efa\u8bae\u5b58\u50a8\u5728storage\/emulated\/0\/Android\/media\u4e0b\u9762\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_3\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_4\">3.\u6587\u4ef6\u7684\u8bbf\u95ee<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"_4_0\">3.1.\u53ef\u4ee5\u4f7f\u7528\u76f4\u63a5\u6587\u4ef6\u8def\u5f84\u548c\u539f\u751f\u5e93\u8bbf\u95ee\u6587\u4ef6<\/h3>\n\n\n\n<p>\u4e3a\u4e86\u5e2e\u52a9\u60a8\u7684\u5e94\u7528\u66f4\u987a\u7545\u5730\u4f7f\u7528\u7b2c\u4e09\u65b9\u5a92\u4f53\u5e93\uff0cAndroid&nbsp;11&nbsp;\u5141\u8bb8\u60a8\u4f7f\u7528\u9664&nbsp;MediaStore&nbsp;API&nbsp;\u4e4b\u5916\u7684&nbsp;API&nbsp;\u8bbf\u95ee\u5171\u4eab\u5b58\u50a8\u7a7a\u95f4\u4e2d\u7684\u5a92\u4f53\u6587\u4ef6\u3002\u4e0d\u8fc7\uff0c\u60a8\u4e5f\u53ef\u4ee5\u8f6c\u800c\u9009\u62e9\u4f7f\u7528\u4ee5\u4e0b\u4efb\u4e00&nbsp;API&nbsp;\u76f4\u63a5\u8bbf\u95ee\u5a92\u4f53\u6587\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>File&nbsp;API<\/li><li>\u539f\u751f\u5e93\uff0c\u4f8b\u5982&nbsp;fopen()<\/li><\/ul>\n\n\n\n<p>\u5982\u679c\u60a8\u7684\u5e94\u7528\u6ca1\u6709\u4efb\u4f55\u5b58\u50a8\u6743\u9650\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u76f4\u63a5\u6587\u4ef6\u8def\u5f84\u8bbf\u95ee\u5f52\u56e0\u4e8e\u60a8\u7684\u5e94\u7528\u7684\u5a92\u4f53\u6587\u4ef6\u3002\u5982\u679c\u60a8\u7684\u5e94\u7528\u5177\u6709&nbsp;READ_EXTERNAL_STORAGE&nbsp;\u6743\u9650\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u76f4\u63a5\u6587\u4ef6\u8def\u5f84\u8bbf\u95ee\u6240\u6709\u5a92\u4f53\u6587\u4ef6\uff0c\u65e0\u8bba\u8fd9\u4e9b\u6587\u4ef6\u662f\u5426\u5f52\u56e0\u4e8e\u60a8\u7684\u5e94\u7528\u3002\u5982\u679c\u60a8\u76f4\u63a5\u8bbf\u95ee\u5a92\u4f53\u6587\u4ef6\uff0c\u5efa\u8bae\u60a8\u5728\u5e94\u7528\u7684\u6e05\u5355\u6587\u4ef6\u4e2d\u5c06&nbsp;requestLegacyExternalStorage&nbsp;\u8bbe\u7f6e\u4e3a&nbsp;true&nbsp;\u4ee5\u505c\u7528\u5206\u533a\u5b58\u50a8\u3002\u8fd9\u6837\uff0c\u60a8\u7684\u5e94\u7528\u5c31\u53ef\u4ee5\u5728\u642d\u8f7d&nbsp;Android&nbsp;10&nbsp;\u7684\u8bbe\u5907\u4e0a\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"_4_1\">3.2.\u5bf9\u4e8e\u6027\u80fd\u7684\u5f71\u54cd<\/h3>\n\n\n\n<p>\u5f53\u60a8\u4f7f\u7528\u76f4\u63a5\u6587\u4ef6\u8def\u5f84\u4f9d\u5e8f\u8bfb\u53d6\u5a92\u4f53\u6587\u4ef6\u65f6\uff0c\u5176\u6027\u80fd\u4e0e&nbsp;MediaStore&nbsp;API \u76f8\u5f53\u3002\u4f46\u662f\uff0c\u5f53\u60a8\u4f7f\u7528\u76f4\u63a5\u6587\u4ef6\u8def\u5f84\u968f\u673a\u8bfb\u53d6\u548c\u5199\u5165\u5a92\u4f53\u6587\u4ef6\u65f6\uff0c\u8fdb\u7a0b\u7684\u901f\u5ea6\u53ef\u80fd\u6700\u591a\u4f1a\u6162\u4e00\u500d\u3002\u5728\u6b64\u7c7b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u6539\u4e3a\u4f7f\u7528&nbsp;MediaStore&nbsp;API\u3002\u6839\u636e\u76ee\u524d\u60c5\u51b5\u6765\u770b\uff0c\u4f1a\u6162\u5f88\u591a\uff0c\u5efa\u8bae\u4f7f\u7528MediaStore API\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"_4_2\">3.3.\u5a92\u4f53\u5e93\u4e2d\u7684\u53ef\u7528\u503c<\/h3>\n\n\n\n<p>\u5f53\u60a8\u8bbf\u95ee\u73b0\u6709\u5a92\u4f53\u6587\u4ef6\u65f6\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u60a8\u7684\u903b\u8f91\u4e2d&nbsp;DATA&nbsp;\u5217\u7684\u503c\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u6b64\u503c\u5305\u542b\u6709\u6548\u7684\u6587\u4ef6\u8def\u5f84\u3002\u4f46\u662f\uff0c\u4e0d\u8981\u5047\u8bbe\u6587\u4ef6\u59cb\u7ec8\u53ef\u7528\u3002\u8bf7\u51c6\u5907\u597d\u5904\u7406\u53ef\u80fd\u53d1\u751f\u7684\u4efb\u4f55\u57fa\u4e8e\u6587\u4ef6\u7684&nbsp;I\/O&nbsp;\u9519\u8bef\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u9700\u521b\u5efa\u6216\u66f4\u65b0\u5a92\u4f53\u6587\u4ef6\uff0c\u8bf7\u52ff\u4f7f\u7528&nbsp;DATA&nbsp;\u5217\u7684\u503c\u3002\u8bf7\u6539\u7528&nbsp;DISPLAY_NAME&nbsp;\u548c&nbsp;RELATIVE_PATH&nbsp;\u5217\u7684\u503c\u3002\u8be6\u89c1\uff1a<a href=\"https:\/\/developer.android.google.cn\/preview\/privacy\/storage#change-details\">https:\/\/developer.android.google.cn\/preview\/privacy\/storage#change-details<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_5\">4.MediaStore\u7684\u4f7f\u7528<\/h2>\n\n\n\n<p>\u7531\u4e8eR\u7248\u672c\u4e0a\u4f7f\u7528File\u5199\u6587\u4ef6\u76ee\u524d\u5b58\u5728\u6027\u80fd\u95ee\u9898\uff0c\u56e0\u6b64google\u63a8\u8350\u4f7f\u7528MediaStore\u8fdb\u884c\u5199\u6587\u4ef6\u3002\u800cMediaStore\u5199\u6587\u4ef6\u53c8\u4f1a\u5b58\u5728fuse\u540c\u6b65\u7684\u95ee\u9898\uff0c\u4e00\u65e6\u51fa\u73b0\u6b64\u7c7b\u540c\u6b65\u95ee\u9898\uff0c\u4ea7\u751f\u6587\u4ef6\u65e0\u6cd5\u6253\u5f00\uff0c\u6587\u4ef6\u957f\u5ea6\u4e0d\u5bf9\u7b49\u5f02\u5e38\u73b0\u8c61\u3002\u5177\u4f53\u4e3b\u8981\u4e00\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>MediaStore\u5199\u6587\u4ef6\uff0c\u5728\u6587\u4ef6\u672a\u771f\u6b63close\u7684\u60c5\u51b5\uff0c\u4e0d\u8981\u8c03\u7528fd\u7684close\u64cd\u4f5c\u3002<\/li><\/ul>\n\n\n\n<p>&nbsp; &nbsp;\u4ee5\u4e0b\u4e3a\u5f55\u97f3\u7684\u90e8\u5206\u4ee3\u7801\uff0c\u4f7f\u7528MediaStore\u65b9\u5f0f\u8fdb\u884c\u97f3\u9891\u5f55\u5236\uff0c\u8be5fd\u4f20\u9012\u7ed9MediaRecord\u540e\uff0c\u5728\u5f55\u5236\u771f\u6b63\u5b8c\u6210\u524d\u8be5fd\u4e0d\u80fd\u88abclose()\u3002\u6b63\u786e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ParcelFileDescriptor pfd = resolver.openFileDescriptor(uri, \"rw\");\nMediaRecorder mr = <strong>new<\/strong> MediaRecorder();\nmr.setOutputFile(pfd.getFileDescriptor());\n......\n\n<strong>private<\/strong> <strong>void<\/strong> <strong>stopRecord<\/strong>() {\n    <strong>if<\/strong> (mr != <strong>null<\/strong>) {\n        mr.stop();\n        mr.release();\n        mr = <strong>null<\/strong>;\n        <strong>if<\/strong> (pfd != <strong>null<\/strong>) {\n            <strong>try<\/strong>{\n                pfd.close();\n            }<strong>catch<\/strong>(IOException e){\n                e.printStackTrace();\n            }\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li>MediaStore\u5199\u6587\u4ef6\u548cFile\u4e0d\u80fd\u6df7\u5408\u4f7f\u7528\uff0cMediaStore\u5199\u6587\u4ef6\u65f6\uff0c\u4e0d\u80fd\u4f7f\u7528File\u83b7\u53d6\u6587\u4ef6\u5927\u5c0f\u3001\u91cd\u547d\u540d\u7b49\u64cd\u4f5c\u3002\u540c\u65f6\uff0c\u5728fd close\u540e\uff0c\u7531\u4e8e\u56de\u8c03\u6709\u5ef6\u8fdf\uff0c\u5982\u679c\u7d27\u63a5\u7740\u8c03\u7528file\u7684rename\u64cd\u4f5c\uff0c\u4f1a\u5bfc\u81f4\u672c\u6b21rename\u6267\u884c\u7684\u6587\u4ef6\u5f02\u5e38\u3002\u56e0\u6b64\u9700\u8981fd close\u540e\uff0c\u9700\u8981\u5ef6\u8fdf1-2s\u8fdb\u884cfile\u7684\u76f8\u5173\u64cd\u4f5c\u3002<\/li><\/ul>\n\n\n\n<p>\u8be6\u89c1googleAPI\u6587\u6863\uff1a<a target=\"_blank\" href=\"https:\/\/developer.android.google.cn\/training\/data-storage\/shared\/media\" rel=\"noreferrer noopener\">https:\/\/developer.android.google.cn\/training\/data-storage\/shared\/media<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u524dAndroid 11\u4e0aGoogle\u63a8\u51fa\u7684fuse\u6587\u4ef6\u7cfb\u7edf\u548csdcardfs\u76f8\u7ed3\u5408\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u76ee\u524d\u5e38\u7528\u76ee\u5f55\u9664\u4e86storage\/emulated\/0\/Android\/data\u4f7f\u7528\u7684\u662fsdcardfs\u5176\u4ed6\u90fd\u4f7f\u7528\u7684\u662ffuse\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46,94,160],"tags":[5968,473,5967,5965,5966],"special":[67],"attr":[],"class_list":["post-12746","post","type-post","status-publish","format-standard","hentry","category-appsj","category-appjc","category-appcs","tag-android-11-2","tag-google","tag-sdcardfs","tag-5965","tag-api","special-xiaomikfpt","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/posts\/12746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/comments?post=12746"}],"version-history":[{"count":1,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/posts\/12746\/revisions"}],"predecessor-version":[{"id":12747,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/posts\/12746\/revisions\/12747"}],"wp:attachment":[{"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/media?parent=12746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/categories?post=12746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/tags?post=12746"},{"taxonomy":"special","embeddable":true,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/special?post=12746"},{"taxonomy":"attr","embeddable":true,"href":"https:\/\/www.yimenapp.com\/kb-yimen\/wp-json\/wp\/v2\/attr?post=12746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}