{"id":579,"date":"2011-06-08T14:30:22","date_gmt":"2011-06-08T06:30:22","guid":{"rendered":"http:\/\/leybreeze.com\/blog\/?p=579"},"modified":"2011-07-07T10:37:03","modified_gmt":"2011-07-07T02:37:03","slug":"%e5%ae%89%e5%85%a8%e6%80%a7%e5%92%8c%e8%ae%b8%e5%8f%af","status":"publish","type":"post","link":"http:\/\/leybreeze.com\/blog\/?p=579","title":{"rendered":"\u5b89\u5168\u6027\u548c\u8bb8\u53ef"},"content":{"rendered":"

Android\u662f\u4e00\u4e2a\u6743\u9650\u5206\u79bb\uff08privilege-separated\uff09\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5176\u4e2d\u7684\u6bcf\u4e00\u4e2a\u8fd0\u884c\u7684\u7a0b\u5e8f\u6709\u4e00\u4e2a\u5355\u72ec\u7684\u7cfb\u7edf\u8bc6\u522b\uff08identity\uff09\uff08Linux \u7528\u6237ID\u53ca\u7ec4ID\uff09\u3002\u6b64\u5916\u7cfb\u7edf\u7684\u4e0d\u540c\u90e8\u5206\u4e5f\u88ab\u5206\u5165\u4e86\u4e0d\u540c\u7684\u8bc6\u522b\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0fLinux\u4f7f\u4e0d\u540c\u7684\u7a0b\u5e8f\u548c\u7cfb\u7edf\u4e4b\u95f4\u76f8\u4e92\u72ec\u7acb\u3002<\/p>\n

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\u5b89\u5168\u6784\u67b6<\/strong><\/h3>\n

Android\u5b89\u5168\u6784\u67b6\u7684\u4e00\u4e2a\u4e2d\u5fc3\u8bbe\u8ba1\u8981\u70b9\u5c31\u662f\u9ed8\u8ba4\u6765\u8bf4\u6ca1\u6709\u7a0b\u5e8f\u6709\u8fdb\u884c\u4efb\u4f55\u53ef\u80fd\u5bf9\u5176\u4ed6\u7a0b\u5e8f\u3001\u64cd\u4f5c\u7cfb\u7edf\u6216\u662f\u7528\u6237\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u7684\u4efb\u4f55\u64cd\u4f5c\u7684\u8bb8\u53ef\uff08permission\uff09\u3002\u8fd9\u5305\u62ec\u4e86\u8bfb\u5199\u7528\u6237\u79c1\u4eba\u6570\u636e\uff08\u4f8b\u5982\u901a\u8baf\u5f55\u6216\u662f\u7535\u5b50\u90ae\u4ef6\uff09\uff0c\u8bfb\u5199\u5176\u4ed6\u7a0b\u5e8f\u7684\u6587\u4ef6\uff0c\u6267\u884c\u7f51\u7edc\u63a5\u5165\u6216\u4fdd\u6301\u8bbe\u5907\u4e0d\u8fdb\u5165\u7761\u7720\u72b6\u6001\u7b49\u3002<\/p>\n

\u56e0\u4e3a\u5185\u6838\u5c06\u7a0b\u5e8f\u901a\u8fc7\u6c99\u76d2\u5206\u79bb\uff0c\u6240\u4ee5\u7a0b\u5e8f\u5fc5\u987b\u663e\u5f0f\u5730\u5171\u4eab\u8d44\u6e90\u53ca\u6570\u636e\u3002\u5b83\u4eec\u901a\u8fc7\u58f0\u660e\u8bb8\u53ef\u6765\u83b7\u53d6\u5b83\u4eec\u6240\u9700\u7684\u6ca1\u6709\u901a\u8fc7\u57fa\u672c\u6c99\u76d2\u63d0\u4f9b\u7684\u989d\u5916\u529f\u80fd\u3002\u7a0b\u5e8f\u9759\u6001\u5730\u58f0\u660e\u5b83\u4eec\u6240\u9700\u7684\u8bb8\u53ef\uff0cAndroid\u7cfb\u7edf\u5c06\u5728\u7a0b\u5e8f\u5b89\u88c5\u65f6\u5411\u7528\u6237\u5f81\u6c42\u8bb8\u53ef\u3002Android\u6ca1\u6709\u52a8\u6001\uff08\u5728\u8fd0\u884c\u65f6\uff09\u62c5\u4fdd\u8bb8\u53ef\u7684\u673a\u5236\uff0c\u56e0\u4e3a\u8fd9\u5c06\u4f7f\u5b89\u5168\u6027\u53d7\u635f\uff0c\u4f7f\u5f97\u7528\u6237\u4f53\u9a8c\u53d8\u7cdf\u3002<\/p>\n

\u53ea\u6709\u5185\u6838\u8d1f\u8d23\u5c06\u7a0b\u5e8f\u901a\u8fc7\u6c99\u76d2\u4e0e\u5176\u4ed6\u7a0b\u5e8f\u5206\u79bb\u3002\u5c24\u5176\u8981\u6ce8\u610fDalvik VM\u4ee5\u53ca\u4efb\u4f55\u53ef\u4ee5\u8fd0\u884c\u539f\u751f\u4ee3\u7801\uff08native code\uff09\u7684\u7a0b\u5e8f\uff08\u53c2\u89c1Android NDK\uff09\u5e76\u4e0d\u662f\u5b89\u5168\u8fb9\u754c\u3002\u6240\u6709\u7c7b\u578b\u7684\u7a0b\u5e8f\u2014\u2014Java\uff0c\u539f\u751f\uff08native\uff09\u6216\u662f\u6df7\u5408\uff08hybrid\uff09\u2014\u2014\u90fd\u4ee5\u540c\u6837\u65b9\u5f0f\u88ab\u6c99\u76d2\u5316\uff0c\u76f8\u4e92\u4e4b\u95f4\u62e5\u6709\u76f8\u540c\u7684\u7ea7\u522b\u7684\u5b89\u5168\u6027\u3002<\/p>\n

\u5e94\u7528\u7a0b\u5e8f\u7b7e\u540d<\/strong><\/h3>\n

\u6240\u6709\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff08.apk\u6587\u4ef6\uff09\u5fc5\u987b\u7528\u4e00\u4e2a\u5f00\u53d1\u8005\u62e5\u6709\u5176\u79c1\u94a5\u7684\u8ba4\u8bc1\uff08certificate\uff09\u6765\u8fdb\u884c\u7b7e\u540d\u3002\u8be5\u8ba4\u8bc1\u7528\u4e8e\u8bc6\u522b\u5e94\u7528\u7a0b\u5e8f\u7684\u6743\u9650\u3002\u4e00\u4e2a\u8ba4\u8bc1\u4e0d\u9700\u8981\u7531\u8ba4\u8bc1\u6743\u5a01\u6765\u8fdb\u884c\u7b7e\u540d\uff1aAndroid\u7a0b\u5e8f\u5b8c\u5168\u53ef\u4ee5\uff0c\u800c\u4e14\u901a\u5e38\u4e5f\u4f1a\uff0c\u4f7f\u7528\u81ea\u7b7e\u540d\u7684\u8ba4\u8bc1\u3002Android\u7684\u8ba4\u8bc1\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u8bc6\u522b\u5e94\u7528\u7a0b\u5e8f\u4f5c\u8005\u3002\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u53ef\u4ee5\u5141\u8bb8\u6216\u662f\u62d2\u7edd\u7a0b\u5e8f\u83b7\u53d6\u7b7e\u540d\u7ea7\u522b\uff08signature-level\uff09\u7684\u8bb8\u53ef\u4ee5\u53ca\u7a0b\u5e8f\u5e0c\u671b\u83b7\u53d6\u201c\u76f8\u540c\u4f5c\u8005\u7a0b\u5e8f\u201d\u7684Linux\u8bc6\u522b\u7684\u8bf7\u6c42\u3002<\/p>\n

\u7528\u6237ID\u4e0e\u6587\u4ef6\u8bfb\u53d6<\/strong><\/h3>\n

\u5728\u5b89\u88c5\u65f6\uff0cAndroid\u5206\u7ed9\u6bcf\u4e00\u4e2a\u5305\uff08package\uff09\u4e00\u4e2a\u72ec\u81ea\u7684Linux\u7528\u6237ID\u3002\u8be5\u8bc6\u522b\u5c06\u5728\u8fd9\u4e2a\u5305\u5728\u8bbe\u5907\u4e0a\u7684\u6574\u4e2a\u5468\u671f\u5185\u4fdd\u6301\u4e0d\u53d8\u3002\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u4e0a\uff0c\u540c\u4e00\u4e2a\u5305\u53ef\u80fd\u4f1a\u6709\u4e0d\u540c\u7684UID\uff1b\u4e0d\u8fc7\u91cd\u8981\u7684\u662f\u5728\u7ed9\u5b9a\u7684\u67d0\u4e00\u4e2a\u8bbe\u5907\u4e0a\u6bcf\u4e00\u4e2a\u5305\u90fd\u6709\u4e00\u4e2a\u72ec\u81ea\u7684UID\u3002<\/p>\n

\u56e0\u4e3a\u5b89\u5168\u5f3a\u5316\u5b9e\u5728\u8fdb\u7a0b\u7ea7\u522b\u8fdb\u884c\u7684\uff0c\u6240\u4ee5\u4e24\u4e2a\u4e0d\u540c\u5305\u7684\u4ee3\u7801\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u4e8e\u540c\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4ed6\u4eec\u9700\u8981\u4f5c\u4e3a\u4e0d\u540c\u7684Linux\u7528\u6237\u8fd0\u884c\u3002\u53ef\u4ee5\u5728\u6bcf\u4e00\u4e2a\u5305\u7684AndroidManifest.xml<\/span>\u7684manifest\u6807\u7b7e\u4e2d\u4f7f\u7528sharedUserId\u5c5e\u6027\u6765\u5c06\u5176\u6807\u4e3a\u76f8\u540c\u7684\u7528\u6237ID\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u8fd9\u4e24\u4e2a\u5305\u5c31\u88ab\u8ba4\u4e3a\u662f\u540c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u6709\u540c\u6837\u7684\u7528\u6237ID\u548c\u6587\u4ef6\u6743\u9650\u4e86\u3002\u6ce8\u610f\u4e3a\u4e86\u4fdd\u6301\u5b89\u5168\u6027\uff0c\u53ea\u6709\u4e24\u4e2a\u6709\u540c\u6837\u7b7e\u540d\uff08\u4e14\u8bf7\u6c42\u4e86\u540c\u6837\u7684sharedUserId\uff09\u7684\u7a0b\u5e8f\u624d\u4f1a\u88ab\u5206\u914d\u540c\u6837\u7684\u7528\u6237ID\u3002<\/p>\n

\u4e00\u4e2a\u7a0b\u5e8f\u5b58\u50a8\u7684\u4efb\u4f55\u6570\u636e\u4f1a\u88ab\u5206\u914d\u4ee5\u8fd9\u4e2a\u7a0b\u5e8f\u7684\u7528\u6237ID\uff0c\u800c\u65e0\u6cd5\u88ab\u5176\u4ed6\u5305\u6b63\u5e38\u8bbf\u95ee\u3002\u5f53\u4f7f\u7528getSharedPreferences(String, int)\uff0copenFileOutput(String, int)\u6216openOrCreateDatabase(String, int, SQliteDatabase.CursorFactory)\u6765\u521b\u5efa\u65b0\u6587\u4ef6\u65f6\uff0c\u53ef\u4ee5\u7528MODE_WORLD_READABLE\u548c\/\u6216MODE_WORLD_WRITEABLE \u65d7\u6807\u6765\u5141\u8bb8\u5176\u4ed6\u5305\u8bfb\/\u5199\u8be5\u6587\u4ef6\u3002\u5f53\u8bbe\u7f6e\u4e86\u8fd9\u4e9b\u65d7\u6807\u540e\uff0c\u6587\u4ef6\u4ecd\u7136\u5c5e\u4e8e\u539f\u6765\u7684\u7a0b\u5e8f\uff0c\u4f46\u662f\u56e0\u4e3a\u8bbe\u7f6e\u4e86\u5168\u5c40\u8bfb\/\u5199\u8bb8\u53ef\uff0c\u6240\u4ee5\u5bf9\u4efb\u4f55\u5176\u4ed6\u7a0b\u5e8f\u90fd\u53ef\u89c1\u3002<\/p>\n

\u4f7f\u7528\u8bb8\u53ef<\/strong><\/h3>\n

\u4e00\u4e2a\u57fa\u672c\u7684Android\u7a0b\u5e8f\u6ca1\u6709\u4e0e\u4e4b\u5173\u8054\u7684\u8bb8\u53ef\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u65e0\u6cd5\u8fdb\u884c\u4efb\u4f55\u53ef\u80fd\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u6216\u662f\u5f71\u54cd\u8bbe\u5907\u4e0a\u4efb\u4f55\u6570\u636e\u7684\u64cd\u4f5c\u3002\u8981\u5229\u7528\u8fd9\u4e9b\u8bbe\u5907\u4e0a\u53d7\u4fdd\u62a4\u7684\u7279\u6027\uff0c\u5c31\u5fc5\u987b\u5728AndroidManifest.xml\u6587\u4ef6\u4e2d\u5305\u542b\u4e00\u4e2a\u6216\u66f4\u591a\u7684<uses-permission>\u6807\u7b7e\u6765\u7533\u660e\u7a0b\u5e8f\u6240\u9700\u7684\u8bb8\u53ef\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4e00\u4e2a\u9700\u8981\u76d1\u89c6\u6536\u5230\u7684\u77ed\u4fe1\u7684\u7a0b\u5e8f\u5e94\u8be5\u6307\u5b9a\uff1a<\/p>\n

<manifest<\/span> xmlns:android<\/span>=\"http:\/\/schemas.android.com\/apk\/res\/android\"<\/span><\/span>\r\n\u00a0 \u00a0 package<\/span>=\"com.android.app.myapp\"<\/span> ><\/span><\/span>\r\n\u00a0 \u00a0 <uses-permission<\/span> android:name<\/span>=\"android.permission.RECEIVE_SMS\"<\/span> \/><\/span><\/span>\r\n\u00a0 \u00a0 ...<\/span>\r\n<\/manifest><\/span><\/pre>\n
\u5728\u7a0b\u5e8f\u5b89\u88c5\u65f6\uff0c\u57fa\u4e8e\u7528\u6237\u5bf9\u58f0\u660e\u4e86\u8bb8\u53ef\u548c\/\u6216\u4ea4\u4e92\u7684\u7a0b\u5e8f\u7b7e\u540d\u7684\u68c0\u67e5\uff0c\u5305\u5b89\u88c5\u5668\uff08package installer\uff09\u5c06\u4f1a\u8ba4\u53ef\u7a0b\u5e8f\u6240\u8bf7\u6c42\u7684\u8bb8\u53ef\u3002\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u4e0d\u4f1a\u8fdb\u884c\u4efb\u4f55\u68c0\u67e5\uff1a\u8981\u4e48\u5728\u5b89\u88c5\u65f6\u8bb8\u53ef\u88ab\u5141\u8bb8\u800c\u53ef\u4ee5\u5982\u6240\u5e0c\u671b\u7684\u90a3\u6837\u4f7f\u7528\u8be5\u7279\u6027\uff0c\u8981\u4e48\u8bb8\u53ef\u4e0d\u88ab\u8ba4\u53ef\uff0c\u4efb\u4f55\u4f7f\u7528\u8be5\u7279\u6027\u7684\u64cd\u4f5c\u5c06\u4e0d\u7ecf\u8fc7\u7528\u6237\u5224\u65ad\u800c\u76f4\u63a5\u62d2\u7edd\u3002<\/p>\n
\u901a\u5e38\u8bb8\u53ef\u9519\u8bef\u4f1a\u5bfc\u81f4\u4e00\u4e2aSecurityException\u88ab\u629b\u56de\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u8fd9\u4e5f\u4e0d\u662f\u5728\u6240\u6709\u60c5\u51b5\u4e0b\u90fd\u4f1a\u53d1\u751f\u7684\u4e8b\u3002\u4f8b\u5982\uff0csendBroadcast(Intent)\u65b9\u6cd5\u4f1a\u5728\u65b9\u6cd5\u8c03\u7528\u88ab\u8fd4\u56de\u4e4b\u540e\u68c0\u67e5\u6570\u636e\u88ab\u4f20\u9012\u81f3\u6bcf\u4e00\u4e2a\u63a5\u6536\u8005\u7684\u8bb8\u53ef\uff0c\u56e0\u6b64\u5373\u4f7f\u6709\u8bb8\u53ef\u9519\u8bef\uff0c\u4e5f\u4e0d\u4f1a\u6536\u5230\u5f02\u5e38\u3002\u4e0d\u8fc7\uff0c\u5728\u7edd\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8bb8\u53ef\u5931\u8d25\u90fd\u5c06\u4f1a\u88ab\u6253\u5370\u4e8e\u7cfb\u7edf\u65e5\u5fd7\u4e0a\u3002<\/p>\n
Android\u7cfb\u7edf\u6240\u63d0\u4f9b\u7684\u8bb8\u53ef\u53ef\u4ee5\u5728Manifest.permission\u4e2d\u627e\u5230\u3002\u4efb\u4f55\u7a0b\u5e8f\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u5e76\u6267\u884c\u5176\u81ea\u6709\u8bb8\u53ef\uff0c\u56e0\u6b64\u90a3\u5e76\u975e\u662f\u6240\u6709\u53ef\u7528\u8bb8\u53ef\u7684\u5b8c\u6574\u5217\u8868\u3002<\/p>\n
\u4e00\u4e2a\u7279\u5b9a\u7684\u8bb8\u53ef\u53ef\u4ee5\u5728\u7a0b\u5e8f\u6267\u884c\u65f6\u88ab\u6267\u884c\u4e8e\u591a\u4e2a\u5730\u65b9\uff1a<\/p>\n
    \n
  • \u5728\u7cfb\u7edf\u6267\u884c\u4e00\u4e2a\u8c03\u7528\u65f6\uff0c\u963b\u6b62\u5e94\u7528\u7a0b\u5e8f\u6267\u884c\u67d0\u4e00\u529f\u80fd\u3002<\/li>\n
  • \u5728\u542f\u52a8\u4e00\u4e2a\u6d3b\u52a8\u65f6\uff0c\u963b\u6b62\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u5c5e\u4e8e\u5176\u4ed6\u7a0b\u5e8f\u7684\u6d3b\u52a8\u3002<\/li>\n
  • \u5728\u53d1\u9001\u548c\u63a5\u6536\u5e7f\u64ad\u65f6\uff0c\u63a7\u5236\u5e7f\u64ad\u7684\u63a5\u6536\u65b9\u548c\u53d1\u9001\u65b9\u3002<\/li>\n
  • \u5728\u8bfb\u53d6\u5e76\u64cd\u4f5c\u5185\u5bb9\u63d0\u4f9b\u8005\u65f6\u3002<\/li>\n
  • \u5728\u7ed1\u5b9a\u6216\u542f\u52a8\u4e00\u4e2a\u670d\u52a1\u65f6\u3002<\/li>\n<\/ul>\n
    \u58f0\u660e\u5e76\u6267\u884c\u8bb8\u53ef<\/strong><\/h3>\n
    \u8981\u6267\u884c\u81ea\u6709\u8bb8\u53ef\uff0c\u5c31\u5fc5\u987b\u9996\u5148\u5728AndroidManifest.xml\u4e2d\u901a\u8fc7\u4e00\u4e2a\u6216\u591a\u4e2a<permission>\u6807\u7b7e\u6765\u58f0\u660e\u5b83\u4eec\u3002<\/p>\n
    \u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u7a0b\u5e8f\u5e0c\u671b\u53ef\u4ee5\u63a7\u5236\u8c01\u80fd\u542f\u52a8\u5b83\u7684\u6d3b\u52a8\uff0c\u5b83\u53ef\u4ee5\u50cf\u8fd9\u6837\u4e3a\u8fd9\u4e2a\u64cd\u4f5c\u58f0\u660e\u4e00\u4e2a\u8bb8\u53ef\uff1a<\/p>\n
    <manifest xmlns:android<\/span><\/span>=\"http:\/\/schemas.android.com\/apk\/res\/android\"<\/span><\/span>\r\n\u00a0 \u00a0 package=\"com.me.app.myapp\"<\/span> ><\/span><\/span>\r\n\u00a0 \u00a0 <permission<\/span> android:name<\/span>=\"com.me.app.myapp.permission.DEADLY_ACTIVITY\"<\/span><\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 android:label<\/span>=\"@string\/permlab_deadlyActivity\"<\/span><\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 android:description<\/span>=\"@string\/permdesc_deadlyActivity\"<\/span><\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 android:permissionGroup<\/span>=\"android.permission-group.COST_MONEY\"<\/span><\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 android:protectionLevel<\/span>=\"dangerous\"<\/span> \/><\/span><\/span>\r\n\u00a0 \u00a0 ...<\/span>\r\n<\/manifest><\/span><\/pre>\n
    <protectionLevel>\u5c5e\u6027\u662f\u5fc5\u9700\u7684\uff0c\u5b83\u4f1a\u6309\u94fe\u63a5\u6587\u6863\u4e2d\u63cf\u8ff0\u7684\u90a3\u6837\u544a\u8bc9\u7cfb\u7edf\u7528\u6237\u5c06\u5982\u4f55\u88ab\u544a\u77e5\u7a0b\u5e8f\u9700\u8981\u8be5\u8bb8\u53ef\uff0c\u6216\u662f\u8c01\u5c06\u88ab\u5141\u8bb8\u62e5\u6709\u8fd9\u4e2a\u8bb8\u53ef\u3002<\/p>\n
    <permissionGroup>\u5c5e\u6027\u662f\u53ef\u9009\u7684\uff0c\u4ec5\u4ec5\u88ab\u7528\u6765\u5e2e\u52a9\u7cfb\u7edf\u5411\u7528\u6237\u663e\u793a\u8be5\u8bb8\u53ef\u3002\u901a\u5e38\u4f1a\u5bf9\u4e00\u4e2a\u6807\u51c6\u7cfb\u7edf\u7ec4\uff08standard system group\uff09\uff08\u5217\u4e8eandroid.Manifest.permission_group\uff09\u6216\u5728\u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u4e0b\u5bf9\u81ea\u5df1\u5b9a\u4e49\u7684\u7cfb\u7edf\u7ec4\u8bbe\u7f6e\u8be5\u5c5e\u6027\u3002\u63a8\u8350\u4f7f\u7528\u4e00\u4e2a\u5df2\u6709\u7684\u7ec4\uff0c\u4ee5\u7b80\u5316\u5411\u7528\u6237\u663e\u793a\u7684\u8bb8\u53ef\u754c\u9762\u3002<\/p>\n
    \u6ce8\u610f\u5fc5\u987b\u540c\u65f6\u5411\u8bb8\u53ef\u63d0\u4f9b\u6807\u7b7e\uff08label\uff09\u548c\u63cf\u8ff0\uff08description\uff09\u3002\u5b83\u4eec\u662f\u7528\u6237\u5728\u67e5\u770b\u4e00\u5217\u8bb8\u53ef\uff08android:label\uff09\u6216\u67d0\u4e00\u8bb8\u53ef\u7684\u8be6\u7ec6\u5185\u5bb9\uff08android:description\uff09\u65f6\u5c06\u88ab\u663e\u793a\u7684\u5b57\u7b26\u4e32\u8d44\u6e90\u3002\u6807\u7b7e\u5e94\u5f53\u7b80\u77ed\uff0c\u7528\u51e0\u4e2a\u8bcd\u63cf\u8ff0\u8be5\u8bb8\u53ef\u6240\u4fdd\u62a4\u7684\u4e3b\u8981\u529f\u80fd\u3002\u63cf\u8ff0\u53ef\u4ee5\u662f\u8bf4\u660e\u8be5\u8bb8\u53ef\u5141\u8bb8\u6301\u6709\u8005\u80fd\u505a\u4ec0\u4e48\u4e8b\u7684\u51e0\u53e5\u53e5\u5b50\u3002\u4e60\u60ef\u4e0a\u7528\u4e24\u53e5\u8bdd\u6765\u63cf\u8ff0\uff0c\u7b2c\u4e00\u53e5\u63cf\u8ff0\u8be5\u8bb8\u53ef\uff0c\u7b2c\u4e8c\u53e5\u544a\u77e5\u7528\u6237\u5f53\u7a0b\u5e8f\u83b7\u5f97\u8be5\u8bb8\u53ef\u540e\u5c06\u6709\u54ea\u4e9b\u53ef\u80fd\u7684\u4e0d\u826f\u540e\u679c\u3002<\/p>\n
    \u8fd9\u662f\u4e00\u4e2aCALL_PHONE\u8bb8\u53ef\u7684\u6807\u7b7e\u548c\u63cf\u8ff0\u7684\u4f8b\u5b50\uff1a<\/p>\n
     \u00a0 <string<\/span> name<\/span>=\"permlab_callPhone\"<\/span>><\/span>directly call phone numbers<\/string><\/span><\/span>\r\n\u00a0 \u00a0 <string<\/span> name<\/span>=\"permdesc_callPhone\"<\/span>><\/span>Allows the application to call<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 phone numbers without your intervention. Malicious applications may<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 cause unexpected calls on your phone bill. Note that this does not<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 allow the application to call emergency numbers.<\/string><\/span><\/span><\/pre>\n
    \u53ef\u4ee5\u901a\u8fc7shell\u6307\u4ee4adb shell pm list permissions\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u6240\u5b9a\u4e49\u7684\u8bb8\u53ef\u3002\u4e00\u822c\u6765\u8bf4\uff0c’-s’\u9009\u9879\u5c06\u4f1a\u50cf\u5c55\u793a\u7ed9\u7528\u6237\u770b\u5230\u7684\u90a3\u6837\u5c55\u793a\u8fd9\u4e9b\u8bb8\u53ef\u3002<\/p>\n
    $ adb shell pm list permissions -s \u00a0 \u00a0 \u00a0<\/span>\r\nAll Permissions:<\/span>\r\n\r\nNetwork <\/span>communication: view Wi-Fi<\/span> state, create Bluetooth <\/span>connections, full<\/span>\r\nInternet <\/span>access, view network state<\/span>\r\n\r\nYour <\/span>location: access extra location provider commands, fine (GPS) location,<\/span>\r\nmock location sources for <\/span>testing, coarse (network-based) location<\/span>\r\n\r\nServices <\/span>that cost you money: send SMS messages, directly call phone numbers<\/span>\r\n\r\n...<\/span><\/pre>\n
    \u5728AndroidManifest.xml\u4e2d\u6267\u884c\u8bb8\u53ef<\/strong><\/p>\n
    \u9650\u5236\u7cfb\u7edf\u6216\u7a0b\u5e8f\u7684\u6574\u4f53\u7ec4\u4ef6\u63a5\u5165\u7684\u9ad8\u7ea7\u522b\u8bb8\u53ef\u53ef\u4ee5\u5728AndroidManifest.xml<\/span>\u4e2d\u88ab\u5e94\u7528\u3002\u6240\u9700\u8981\u505a\u7684\u53ea\u662f\u5c06android:permission\u5c5e\u6027\u5305\u542b\u4e8e\u6240\u5e0c\u671b\u7684\u7ec4\u4ef6\u4e4b\u4e2d\uff0c\u5e76\u4e3a\u5c06\u88ab\u7528\u4e8e\u63a7\u5236\u63a5\u5165\u7684\u8bb8\u53ef\u547d\u540d\u3002<\/p>\n
    Activity\u8bb8\u53ef\uff08\u5e94\u7528\u4e8e<activity>\u6807\u7b7e\uff09\u9650\u5236\u4e86\u8c01\u53ef\u4ee5\u542f\u52a8\u76f8\u5173\u7684\u6d3b\u52a8\u3002\u8be5\u8bb8\u53ef\u5728Context.startActivity()\u548cActivity.startActivityForResult()\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u88ab\u68c0\u67e5\uff1b\u5982\u679c\u8c03\u7528\u8005\u6ca1\u6709\u6240\u9700\u7684\u8bb8\u53ef\uff0c\u8be5\u8c03\u7528\u5c06\u629b\u51faSecurityException\u3002<\/p>\n
    Service\u8bb8\u53ef\uff08\u5e94\u7528\u4e8e<service>\u6807\u7b7e\uff09\u9650\u5236\u4e86\u8c01\u53ef\u4ee5\u542f\u52a8\u6216\u662f\u7ed1\u5b9a\u76f8\u5173\u7684\u6d3b\u52a8\u3002\u8be5\u8bb8\u53ef\u5728Context.startService()\u3001Context.stopService()\u548cContext.bindService()\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u88ab\u68c0\u67e5\uff1b\u5982\u679c\u8c03\u7528\u8005\u6ca1\u6709\u6240\u9700\u7684\u8bb8\u53ef\uff0c\u8be5\u8c03\u7528\u5c06\u629b\u51faSecurityException\u3002<\/p>\n
    BroadcastReceiver\u8bb8\u53ef\uff08\u5e94\u7528\u4e8e<receiver>\u6807\u7b7e\uff09\u9650\u5236\u4e86\u8c01\u53ef\u4ee5\u5411\u5173\u8054\u7684\u63a5\u6536\u8005\u53d1\u9001\u5e7f\u64ad\u3002\u8be5\u8bb8\u53ef\u5728Context.sendBroadcast()\u8fd4\u56de\u540e\u7cfb\u7edf\u8bd5\u56fe\u5411\u7ed9\u5b9a\u63a5\u6536\u8005\u4f20\u9012\u6240\u8bf7\u6c42\u7684\u5e7f\u64ad\u65f6\u88ab\u68c0\u67e5\u3002\u56e0\u6b64\uff0c\u8bb8\u53ef\u9519\u8bef\u4e0d\u4f1a\u5411\u8c03\u7528\u8005\u629b\u51fa\u4f8b\u5916\uff1b\u5b83\u53ea\u662f\u4e0d\u4f1a\u4f20\u9012\u8be5\u610f\u56fe\u3002\u540c\u6837\u5730\uff0c\u8be5\u8bb8\u53ef\u53ef\u4ee5\u7528\u4e8eContext.registerReceiver()\u63a7\u5236\u8c01\u53ef\u4ee5\u5411\u4e00\u4e2a\u5728\u4ee3\u7801\u4e2d\u6ce8\u518c\u7684\u63a5\u6536\u8005\u53d1\u9001\u5e7f\u64ad\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u8be5\u8bb8\u53ef\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5728\u8c03\u7528Context.sendBroadcast()\u65f6\u9650\u5236\u54ea\u4e00\u4e2aBroadcastReceiver\u5bf9\u8c61\u53ef\u4ee5\u88ab\u5141\u8bb8\u63a5\u6536\u5e7f\u64ad\uff08\u89c1\u4e0b\u6587\uff09\u3002<\/p>\n
    ContentProvider\u8bb8\u53ef\uff08\u5e94\u7528\u4e8e<provider>\u6807\u7b7e\uff09\u9650\u5236\u4e86\u8c01\u53ef\u4ee5\u8bfb\u53d6\u5185\u5bb9\u63d0\u4f9b\u8005\u5185\u7684\u6570\u636e\u3002\uff08\u5185\u5bb9\u63d0\u4f9b\u8005\u62e5\u6709\u4e00\u9879\u91cd\u8981\u7684\u989d\u5916\u5b89\u5168\u673a\u5236\uff0c\u5141\u8bb8\u5b83\u4eec\u8c03\u7528URI\u8bb8\u53ef\u3002\u8fd9\u5c06\u5728\u4e4b\u540e\u8bf4\u660e\u3002\uff09\u548c\u5176\u4ed6\u7ec4\u4ef6\u4e0d\u540c\uff0c\u5185\u5bb9\u63d0\u4f9b\u8005\u53ef\u4ee5\u8bbe\u7f6e\u4e24\u4e2a\u4e0d\u540c\u7684\u5c5e\u6027\uff1aandroid:readPermission\u9650\u5236\u4e86\u8c01\u53ef\u4ee5\u8bfb\u53d6\u8be5\u63d0\u4f9b\u8005\uff0c\u800candroid:writePermission\u9650\u5236\u4e86\u8c01\u53ef\u4ee5\u8fdb\u884c\u5199\u64cd\u4f5c\u3002\u6ce8\u610f\uff0c\u5982\u679c\u4e00\u4e2a\u63d0\u4f9b\u8005\u540c\u65f6\u88ab\u8bfb\u548c\u5199\u8bb8\u53ef\u6240\u4fdd\u62a4\uff0c\u4ec5\u6301\u6709\u5199\u8bb8\u53ef\u5e76\u4e0d\u610f\u5473\u7740\u5c31\u53ef\u4ee5\u8bfb\u53d6\u63d0\u4f9b\u8005\u7684\u5185\u5bb9\u3002\u8bb8\u53ef\u5c06\u5728\u7b2c\u4e00\u6b21\u68c0\u7d22\u4e00\u4e2a\u63d0\u4f9b\u8005\u65f6\u548c\u5bf9\u63d0\u4f9b\u8005\u6267\u884c\u64cd\u4f5c\u65f6\u88ab\u68c0\u67e5\uff08\u5982\u679c\u6ca1\u6709\u6301\u6709\u4efb\u4f55\u4e00\u4e2a\u8bb8\u53ef\uff0c\u5219\u5c06\u4f1a\u629b\u51fa\u4e00\u4e2aSecurityException\uff09\u3002\u4f7f\u7528ContentResolver.query()\u6765\u8bf7\u6c42\u6301\u6709\u8bfb\u8bb8\u53ef\uff1b\u4f7f\u7528ContentResolver.insert()\u3001ContentResolver.update()\u548cContentResolver.delete()\u6765\u8bf7\u6c42\u5199\u8bb8\u53ef\u3002\u5728\u6240\u6709\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u672a\u6301\u6709\u6240\u9700\u7684\u8bb8\u53ef\u5c06\u5bfc\u81f4\u8c03\u7528\u629b\u51faSecurityException \u3002<\/p>\n
    \u5728\u53d1\u9001\u5e7f\u64ad\u65f6\u6267\u884c\u8bb8\u53ef<\/strong><\/p>\n
    \u53e6\u5916\uff0c\u5bf9\u4e8e\u9650\u5236\u8c01\u53ef\u4ee5\u5411\u4e00\u4e2a\u6ce8\u518c\u7684BroadcastReceiver\u53d1\u9001Intent\u7684\u8bb8\u53ef\uff08\u5982\u540c\u4e4b\u524d\u6240\u63cf\u8ff0\u7684\uff09\uff0c\u8fd8\u53ef\u4ee5\u5728\u53d1\u9001\u5e7f\u64ad\u65f6\u6307\u5b9a\u4e00\u4e2a\u5fc5\u9700\u7684\u8bb8\u53ef\u3002\u901a\u8fc7\u8c03\u7528Context.sendBroadcast()\u53ca\u4e00\u4e2a\u8bb8\u53ef\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u8981\u6c42\u4e00\u4e2a\u63a5\u6536\u8005\u7a0b\u5e8f\u5fc5\u987b\u6301\u6709\u8be5\u8bb8\u53ef\u4ee5\u63a5\u6536\u5e7f\u64ad\u3002<\/p>\n
    \u6ce8\u610f\uff0c\u63a5\u6536\u8005\u548c\u5e7f\u64ad\u8005\u90fd\u53ef\u4ee5\u8bf7\u6c42\u8bb8\u53ef\u3002\u5728\u8fd9\u65f6\uff0cIntent\u5fc5\u987b\u901a\u8fc7\u5bf9\u4e24\u79cd\u8bb8\u53ef\u7684\u68c0\u67e5\u624d\u80fd\u88ab\u4f20\u9001\u81f3\u76f8\u5173\u8054\u7684\u76ee\u6807\u3002<\/p>\n
    \u5176\u4ed6\u8bb8\u53ef\u6267\u884c<\/strong><\/p>\n
    \u5f3a\u5236\u7684\u7ec6\u5316\u8bb8\u53ef\u53ef\u4ee5\u5bf9\u4efb\u610f\u670d\u52a1\u8c03\u7528\u6267\u884c\u3002\u8fd9\u901a\u8fc7Context.checkCallingPermission()\u65b9\u6cd5\u6267\u884c\u3002\u4ee5\u4e00\u6bb5\u6240\u9700\u7684\u8bb8\u53ef\u5b57\u7b26\u4e32\u8c03\u7528\u540e\u5b83\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u6574\u578b\u503c\uff0c\u663e\u793a\u8be5\u8bb8\u53ef\u662f\u5426\u5df2\u88ab\u5f53\u524d\u8c03\u7528\u7684\u8fdb\u7a0b\u6240\u8bb8\u53ef\u3002\u6ce8\u610f\u8fd9\u53ea\u80fd\u5728\u6267\u884c\u6765\u81ea\u53e6\u4e00\u8fdb\u7a0b\u4e2d\u7684\u8c03\u7528\u65f6\u4f7f\u7528\uff08\u8fd9\u901a\u5e38\u8981\u901a\u8fc7\u4e00\u4e2a\u7531\u670d\u52a1\u53d1\u5e03\u7684IDL\u63a5\u53e3\u6216\u662f\u67d0\u4e9b\u5176\u4ed6\u65b9\u6cd5\u6765\u5b9e\u73b0\uff09\u3002<\/p>\n
    \u8fd8\u6709\u8bb8\u591a\u5176\u4ed6\u6709\u7528\u7684\u68c0\u67e5\u8bb8\u53ef\u7684\u65b9\u6cd5\u3002\u5982\u679c\u62e5\u6709\u53e6\u4e00\u8fdb\u7a0b\u7684pid\uff0c\u5c31\u53ef\u4ee5\u7528Context\u65b9\u6cd5\u7684Context.checkPermission(String, int, int)\u6765\u68c0\u67e5\u8fdd\u53cd\u8be5pid\u7684\u8bb8\u53ef\u3002\u5982\u6709\u6709\u53e6\u4e00\u4e2a\u7a0b\u5e8f\u7684\u5305\u540d\uff0c\u5c31\u53ef\u4ee5\u76f4\u63a5\u7528PackageManager\u65b9\u6cd5PackageManager.checkPermission(String, String)\u6765\u67e5\u770b\u7279\u5b9a\u7684\u5305\u662f\u5426\u5df2\u7ecf\u88ab\u67d0\u4e00\u6307\u5b9a\u8bb8\u53ef\u6240\u8ba4\u53ef\u3002<\/p>\n
    URI\u8bb8\u53ef<\/strong><\/h3>\n
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