{"id":1255,"date":"2016-02-18T16:46:07","date_gmt":"2016-02-18T08:46:07","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=1255"},"modified":"2026-08-18T12:58:48","modified_gmt":"2026-08-18T04:58:48","slug":"%e8%8e%b7%e5%8f%96%e9%9f%b3%e4%b9%90%e6%92%ad%e6%94%be%e5%99%a8%e6%95%b0%e6%8d%ae%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=1255","title":{"rendered":"\u83b7\u53d6MP3\u97f3\u4e50\u6570\u636e\u4e24\u79cd\u65b9\u5f0f"},"content":{"rendered":"
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\u81ea\u5df1\u5199\u97f3\u4e50\u64ad\u653e\u5668\uff0c\u7b2c\u4e00\u6b65\u662f\u62ff\u5230\u672c\u5730 MP3\u3002\u53ef\u4ee5\u9012\u5f52\u626b SD \u5361\uff0c\u4e5f\u53ef\u4ee5\u67e5\u7cfb\u7edf\u5a92\u4f53\u5e93 MediaStore<\/code>\u2014\u2014\u540e\u8005\u81ea\u5e26\u6b4c\u540d\u3001\u4e13\u8f91\u3001\u6b4c\u624b\u548c\u65f6\u957f\u3002<\/p>\n<\/blockquote>\n

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\u4e00\u3001\u904d\u5386\u6587\u4ef6\u8fc7\u6ee4 MP3<\/span><\/h2>\n

\u672c\u5730\u97f3\u4e50\u5728\u624b\u673a\u5b58\u50a8\u91cc\u3002\u4e00\u79cd\u505a\u6cd5\u662f\u904d\u5386\u6587\u4ef6\uff0c\u6309\u540e\u7f00\u8fc7\u6ee4\uff1a<\/p>\n

\/**\n * \u626b\u63cf Sdcard\uff08\u5916\u90e8\u5b58\u50a8\uff09\u4e0b\u6240\u6709\u6587\u4ef6\n *\/\npublic void scanFileList(File parentFile) {\n    File[] listFile = parentFile.listFiles();\n    if (listFile != null) {\n        for (int i = 0; i < listFile.length; i++) {\n            File file = listFile[i];\n            if (file.isDirectory()) {\n                scanFileList(file);\n            } else {\n                if (file.getName().endsWith(\"mp3\")) {\n                    MusicBean music = new MusicBean();\n                    String fileName = file.getName();\n                    music.setMusicName(fileName.substring(0, fileName.length() - \".mp3\".length()));\n                    music.setMusicPath(file.getAbsolutePath());\n                    mMusicList.add(music);\n                }\n            }\n        }\n    }\n}<\/code><\/pre>\n
\u8c03\u7528\u540e\u628a MP3 \u52a0\u8fdb mMusicList<\/code>\u3002\u626b\u76d8\u662f\u8017\u65f6\u64cd\u4f5c\uff0c\u5fc5\u987b\u653e\u8fdb\u7ebf\u7a0b\uff1b\u5237\u65b0 ListView \u518d\u4e22\u56de\u4e3b\u7ebf\u7a0b\uff1a<\/p>\n
new Thread(new Runnable() {\n    @Override\n    public void run() {\n        scanFileList(Environment.getExternalStorageDirectory());\n        mHandler.post(new Runnable() {\n            @Override\n            public void run() {\n                mAdapter.setListData(mMusicList);\n            }\n        });\n    }\n}).start();<\/code><\/pre>\n
MP3 \u91cc\u4e0d\u6b62\u97f3\u9891\u6570\u636e\uff0c\u8fd8\u6709\u6b4c\u540d\u3001\u4e13\u8f91\u3001\u6b4c\u624b\u3001\u8def\u5f84\u3001\u65f6\u957f\u3002\u9760\u9012\u5f52\u8bfb\u8fd9\u4e9b\u5b57\u6bb5\uff0c\u5f97\u6309\u6587\u4ef6\u683c\u5f0f\u81ea\u5df1\u89e3\u6790\u3002<\/p>\n
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\u4e8c\u3001\u67e5 MediaStore \u5a92\u4f53\u5e93<\/span><\/h2>\n
Android \u542f\u52a8\u3001\u62d4\u63d2 SD \u5361\u65f6\u4f1a\u53d1\u626b\u63cf\u5e7f\u64ad\uff0c\u626b\u63cf\u670d\u52a1\u628a\u7ed3\u679c\u5199\u5165\u5a92\u4f53\u5e93\u3002URI \u662f MediaStore.Audio.Media.EXTERNAL_CONTENT_URI<\/code>\uff0c\u76f4\u63a5 query \u5c31\u80fd\u62ff\u3002<\/p>\n
\u67e5\u6307\u5b9a\u76ee\u5f55\uff1a<\/p>\n
Cursor cursor = getContentResolver().query(\n        MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null,\n        MediaStore.Audio.Media.DATA + \" like ?\",\n        new String[]{dirName + \"%\"},\n        MediaStore.Audio.Media.DEFAULT_SORT_ORDER);<\/code><\/pre>\n
\u67e5\u5168\u90e8\uff1a<\/p>\n
Cursor cursor = getContentResolver().query(\n        MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null, null,\n        MediaStore.Audio.Media.DEFAULT_SORT_ORDER);<\/code><\/pre>\n
\u7ed3\u679c\u91cc\u4e0d\u53ea\u6709 MP3\uff0c\u8981\u518d\u8fc7\u6ee4\u3002\u5e38\u7528\u5b57\u6bb5\uff1a<\/p>\n