{"id":47242,"date":"2025-07-30T07:07:25","date_gmt":"2025-07-29T23:07:25","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/47242.html"},"modified":"2025-07-30T07:07:25","modified_gmt":"2025-07-29T23:07:25","slug":"%e5%ae%9e%e7%8e%b0%e7%a7%bb%e5%8a%a8%e5%ba%94%e7%94%a8%e4%b8%ad%e7%9a%84%e5%ae%9a%e6%97%b6%e5%ae%9a%e4%bd%8d%e4%bf%a1%e6%81%af%e4%b8%8a%e4%bc%a0%e8%87%b3%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/47242.html","title":{"rendered":"\u5b9e\u73b0\u79fb\u52a8\u5e94\u7528\u4e2d\u7684\u5b9a\u65f6\u5b9a\u4f4d\u4fe1\u606f\u4e0a\u4f20\u81f3\u670d\u52a1\u5668"},"content":{"rendered":"

\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\" <\/p>\n

\u7b80\u4ecb：\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d，\u5b9e\u73b0\u5b9a\u65f6\u4e0a\u4f20\u7528\u6237\u4f4d\u7f6e\u4fe1\u606f\u81f3\u670d\u52a1\u5668\u7684\u9700\u6c42\u81f3\u5173\u91cd\u8981，\u7279\u522b\u662f\u5728\u5bfc\u822a\u3001\u793e\u4ea4\u3001\u7269\u6d41\u7b49\u5e94\u7528\u4e2d\u3002\u8be5\u529f\u80fd\u6d89\u53ca\u5730\u7406\u5b9a\u4f4d\u6280\u672f（\u5982GPS\u3001\u7f51\u7edc\u5b9a\u4f4d\u3001\u878d\u5408\u5b9a\u4f4d），\u5b9a\u65f6\u4efb\u52a1\u7684\u5b9e\u73b0（\u4f7f\u7528 AlarmManager \u3001 JobScheduler \u3001 WorkManager ），\u7f51\u7edc\u901a\u4fe1（HTTP\/HTTPS\u3001RESTful API），\u4ee5\u53ca\u670d\u52a1\u5668\u7aef\u7684\u6570\u636e\u5904\u7406\u548c\u9690\u79c1\u4fdd\u62a4\u3002\u5f00\u53d1\u8005\u9700\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\u70b9\u4ee5\u4f18\u5316\u5e94\u7528\u6027\u80fd，\u540c\u65f6\u786e\u4fdd\u7528\u6237\u9690\u79c1\u5b89\u5168\u3002 \"app\u5b9a\u4f4d+\u5b9a\u65f6\u63d0\u4ea4\u5750\u6807\u4fe1\u606f\u5230\u670d\u52a1\u5668\" <\/p>\n

1. \u5e94\u7528\u5b9a\u4f4d\u6280\u672f\u6982\u89c8 <\/h2>\n

1.1 \u5e94\u7528\u5b9a\u4f4d\u6280\u672f\u7684\u91cd\u8981\u6027 <\/h3>\n

\u5b9a\u4f4d\u6280\u672f\u4f5c\u4e3a\u79fb\u52a8\u5e94\u7528\u4e0d\u53ef\u6216\u7f3a\u7684\u529f\u80fd，\u5b83\u4e0d\u4ec5\u63d0\u4f9b\u4f4d\u7f6e\u670d\u52a1，\u8fd8\u652f\u6491\u7740\u4f4d\u7f6e\u4e0a\u4e0b\u6587\u4fe1\u606f\u7684\u6536\u96c6\u548c\u5206\u6790\u3002\u5728\u79fb\u52a8\u4e92\u8054\u7f51\u65f6\u4ee3，\u5e94\u7528\u5b9a\u4f4d\u6280\u672f\u7684\u4f18\u52a3\u76f4\u63a5\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3001\u670d\u52a1\u8d28\u91cf\u548c\u5546\u4e1a\u4ef7\u503c\u3002 <\/p>\n

1.2 \u5b9a\u4f4d\u6280\u672f\u7684\u4e3b\u8981\u7c7b\u578b <\/h3>\n

\u5e94\u7528\u5b9a\u4f4d\u6280\u672f\u5927\u81f4\u53ef\u4ee5\u5206\u4e3a\u4e09\u7c7b：GPS\u5b9a\u4f4d\u3001\u7f51\u7edc\u5b9a\u4f4d\u548c\u878d\u5408\u5b9a\u4f4d\u3002GPS\u5b9a\u4f4d\u4f9d\u8d56\u4e8e\u536b\u661f\u4fe1\u53f7，\u9002\u5408\u5f00\u9614\u5730\u5e26\u548c\u9700\u8981\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u7684\u573a\u666f；\u7f51\u7edc\u5b9a\u4f4d\u5219\u662f\u901a\u8fc7WiFi\u3001\u57fa\u7ad9\u7b49\u624b\u6bb5\u8fdb\u884c\u7c97\u7565\u5b9a\u4f4d；\u878d\u5408\u5b9a\u4f4d\u7ed3\u5408\u4e86\u524d\u4e24\u8005\u7684\u4f18\u70b9，\u5728\u4fdd\u6301\u7cbe\u5ea6\u7684\u540c\u65f6，\u63d0\u9ad8\u4e86\u5b9a\u4f4d\u7684\u53ef\u7528\u6027\u548c\u901f\u5ea6\u3002 <\/p>\n

1.3 \u5b9a\u4f4d\u6280\u672f\u7684\u5e94\u7528\u573a\u666f <\/h3>\n

\u5728\u5730\u7406\u4f4d\u7f6e\u670d\u52a1（LBS）\u3001\u7269\u6d41\u8ffd\u8e2a\u3001\u793e\u4ea4\u5a92\u4f53\u7b7e\u5230\u3001\u6237\u5916\u5bfc\u822a\u7b49\u8bf8\u591a\u9886\u57df，\u5b9a\u4f4d\u6280\u672f\u90fd\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9700\u6c42，\u5f00\u53d1\u8005\u53ef\u4ee5\u9009\u62e9\u5408\u9002\u7684\u5b9a\u4f4d\u6280\u672f\u6765\u4f18\u5316\u5e94\u7528\u6027\u80fd\u548c\u63d0\u5347\u7528\u6237\u6ee1\u610f\u5ea6\u3002 <\/p>\n

\u63a5\u4e0b\u6765\u7684\u7ae0\u8282，\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u6bcf\u79cd\u5b9a\u4f4d\u6280\u672f\u7684\u5b9e\u73b0\u7ec6\u8282\u3001\u4f18\u7f3a\u70b9\u4ee5\u53ca\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n

2. \u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u7684\u591a\u79cd\u65b9\u6cd5 <\/h2>\n

\u5728\u73b0\u4ee3\u79fb\u52a8\u5e94\u7528\u4e2d，\u5b9a\u65f6\u4efb\u52a1\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u9700\u6c42\u3002\u5b83\u5141\u8bb8\u5e94\u7528\u5728\u672a\u6765\u7684\u67d0\u4e2a\u65f6\u95f4\u70b9\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c，\u65e0\u8bba\u5e94\u7528\u5f53\u524d\u662f\u5426\u5728\u524d\u53f0\u8fd0\u884c\u3002\u8fd9\u5728\u591a\u79cd\u573a\u666f\u4e2d\u90fd\u5341\u5206\u6709\u7528，\u4f8b\u5982\u5728\u9884\u5b9a\u65f6\u95f4\u53d1\u9001\u901a\u77e5\u3001\u540e\u53f0\u6570\u636e\u540c\u6b65\u3001\u6e05\u7406\u7f13\u5b58\u6587\u4ef6\u7b49\u3002\u5728Android\u5e73\u53f0\u4e0a，\u5f00\u53d1\u8005\u6709\u591a\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1，\u672c\u7ae0\u8282\u5c06\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5，\u5e76\u5bf9\u5b83\u4eec\u8fdb\u884c\u5bf9\u6bd4\u5206\u6790\u3002 <\/p>\n

2.1 Android\u5b9a\u65f6\u4efb\u52a1\u57fa\u7840 <\/h4>\n

2.1.1 AlarmManager\u7684\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u7528 <\/h5>\n

AlarmManager\u662fAndroid\u4e2d\u7528\u4e8e\u5904\u7406\u5b9a\u65f6\u4efb\u52a1\u7684\u6838\u5fc3API\u4e4b\u4e00，\u5b83\u80fd\u591f\u5b89\u6392\u5728\u5c06\u6765\u7684\u67d0\u4e2a\u65f6\u523b\u89e6\u53d1\u4e00\u6b21Intent\u3002\u5f53\u8bbe\u5b9a\u7684\u65f6\u95f4\u5230\u8fbe\u65f6，AlarmManager\u4f1a\u5524\u9192\u8bbe\u5907\u5e76\u4f20\u9012\u4e00\u4e2a\u5e7f\u64adIntent\u7ed9\u63a5\u6536\u5668\u3002\u8fd9\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528，\u5c24\u5176\u662f\u5f53\u4efb\u52a1\u9700\u8981\u51c6\u65f6\u6267\u884c，\u5e76\u4e14\u5bf9\u6267\u884c\u65f6\u95f4\u70b9\u7684\u7cbe\u786e\u5ea6\u6709\u8f83\u9ad8\u8981\u6c42\u65f6\u3002 <\/p>\n

\u4e00\u4e2a\u5178\u578b\u7684\u4f7f\u7528AlarmManager\u7684\u573a\u666f\u662f\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u65f6\u95f4\u70b9\u53d1\u9001\u4e00\u4e2a\u901a\u77e5\u63d0\u9192\u7528\u6237\u3002AlarmManager\u9002\u5408\u7528\u4e8e\u90a3\u4e9b\u5373\u4f7f\u5728\u5e94\u7528\u6ca1\u6709\u8fd0\u884c\u65f6\u4e5f\u9700\u8981\u51c6\u65f6\u89e6\u53d1\u7684\u4efb\u52a1\u3002 <\/p>\n

\/\/ \u4ee3\u7801\u793a\u4f8b：\u4f7f\u7528AlarmManager\u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1
\nAlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
\nIntent intent = new Intent(this, MyReceiver.class);
\nPendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);<\/p>\n

\/\/ \u8bbe\u7f6e\u89e6\u53d1\u65f6\u95f4\u4e3a\u5f53\u524d\u65f6\u95f4\u4e4b\u540e\u76845\u79d2
\nCalendar calendar = Calendar.getInstance();
\ncalendar.setTimeInMillis(System.currentTimeMillis());
\ncalendar.add(Calendar.SECOND, 5);<\/p>\n

\/\/ \u4f7f\u7528setExact\u7cbe\u786e\u5730\u89e6\u53d1\u4efb\u52a1
\nalarmManager.setExact(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);<\/p>\n

\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a AlarmManager \u5bf9\u8c61，\u7136\u540e\u5b9a\u4e49\u4e86\u4e00\u4e2aIntent\u548c\u5bf9\u5e94\u7684 PendingIntent \u3002\u63a5\u7740\u8bbe\u7f6e\u4e86\u89e6\u53d1\u4efb\u52a1\u7684\u5177\u4f53\u65f6\u95f4，\u5e76\u901a\u8fc7 setExact \u65b9\u6cd5\u5b89\u6392\u4e86\u4e00\u4e2a\u7cbe\u786e\u89e6\u53d1\u7684\u4efb\u52a1\u3002\u4f7f\u7528 setExact \u800c\u975e set \u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4efb\u52a1\u6267\u884c\u7684\u51c6\u786e\u6027\u3002 <\/p>\n

2.1.2 JobScheduler\u4e0eAlarmManager\u7684\u5bf9\u6bd4\u5206\u6790 <\/h5>\n

Android 5.0（API \u7ea7\u522b 21）\u5f15\u5165\u4e86 JobScheduler ，\u5b83\u4e3a\u5b9a\u65f6\u4efb\u52a1\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u9ad8\u6548\u548c\u73b0\u4ee3\u7684\u65b9\u6cd5\u3002\u4e0eAlarmManager\u76f8\u6bd4，JobScheduler\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u7535\u6c60\u5bff\u547d\u548c\u7f51\u7edc\u72b6\u6001，\u56e0\u6b64\u5728\u4e0d\u9700\u8981\u7cbe\u786e\u5230\u79d2\u7684\u5b9a\u65f6\u4efb\u52a1\u4e2d，JobScheduler\u901a\u5e38\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002 <\/p>\n

JobScheduler \u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c06\u4efb\u52a1\u6574\u5408\u5230\u4e00\u8d77\u5e76\u8fdb\u884c\u4f18\u5316\u8c03\u5ea6，\u4f8b\u5982\u5f53\u8bbe\u5907\u5145\u7535\u6216\u8fde\u63a5\u5230WiFi\u7f51\u7edc\u65f6\u6267\u884c\u4efb\u52a1\u3002\u6b64\u5916，\u5b83\u652f\u6301\u6761\u4ef6\u9650\u5236，\u53ea\u6709\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6，\u4efb\u52a1\u624d\u4f1a\u6267\u884c\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u5f97JobScheduler\u5728\u6267\u884c\u4f8b\u5982\u540e\u53f0\u6570\u636e\u540c\u6b65\u8fd9\u7c7b\u4efb\u52a1\u65f6\u66f4\u52a0\u9ad8\u6548\u3002 <\/p>\n

\/\/ \u4ee3\u7801\u793a\u4f8b：\u4f7f\u7528JobScheduler\u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1
\nJobInfo.Builder builder = new JobInfo.Builder(1, new ComponentName(this, MyJobService.class));
\nbuilder.setRequiresCharging(true); \/\/ \u53ea\u5728\u8bbe\u5907\u5145\u7535\u65f6\u8fd0\u884c
\nbuilder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED); \/\/ \u53ea\u5728\u7f51\u7edc\u672a\u8ba1\u91cf\u65f6\u8fd0\u884c
\nbuilder.setPeriodic(15 * 60 * 1000); \/\/ \u8bbe\u7f6e\u4efb\u52a1\u5468\u671f\u4e3a15\u5206\u949f<\/p>\n

JobScheduler jobScheduler = (JobScheduler) getSystemService(Context.JOB_SCHEDULER_SERVICE);
\nint result = jobScheduler.schedule(builder.build());<\/p>\n

if (result == JobScheduler.RESULT_SUCCESS) {
\n Log.d("JobScheduler", "Job scheduled!");
\n} else {
\n Log.d("JobScheduler", "Job scheduling failed!");
\n}<\/p>\n

\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a JobInfo \u7684\u5b9e\u4f8b，\u5e76\u8bbe\u7f6e\u4e86\u4efb\u52a1\u7684\u4e00\u4e9b\u5c5e\u6027，\u6bd4\u5982\u53ea\u5728\u8bbe\u5907\u5145\u7535\u548c\u8fde\u63a5\u5230\u975e\u8ba1\u8d39\u7f51\u7edc\u65f6\u6267\u884c\u3002\u7136\u540e\u4f7f\u7528 setPeriodic \u65b9\u6cd5\u8bbe\u7f6e\u4efb\u52a1\u7684\u6267\u884c\u5468\u671f\u3002\u901a\u8fc7 JobScheduler \u7684 schedule \u65b9\u6cd5，\u6211\u4eec\u5b89\u6392\u4e86\u8fd9\u4e2a\u4efb\u52a1\u3002 <\/p>\n

\u603b\u7ed3\u8d77\u6765， AlarmManager \u9002\u5408\u7cbe\u786e\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1，\u800c JobScheduler \u9002\u5408\u9700\u8981\u6761\u4ef6\u9650\u5236\u4e14\u5bf9\u7535\u6c60\u5bff\u547d\u53cb\u597d\u7684\u5b9a\u65f6\u4efb\u52a1\u3002\u5f00\u53d1\u8005\u5e94\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u3002 <\/p>\n

2.2 WorkManager\u7684\u9ad8\u7ea7\u7279\u6027 <\/h4>\n

2.2.1 WorkManager\u7684\u8bbe\u8ba1\u521d\u8877\u4e0e\u4f7f\u7528\u573a\u666f <\/h5>\n

\u968f\u7740Android\u5f00\u53d1\u7684\u4e0d\u65ad\u8fdb\u5316，\u5bf9\u4e8e\u540e\u53f0\u4efb\u52a1\u7684\u9700\u6c42\u4e5f\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u548c\u591a\u6837\u5316\u3002Google\u4e3a\u4e86\u89e3\u51b3\u5f00\u53d1\u8005\u9762\u5bf9\u7684\u5404\u79cd\u540e\u53f0\u4efb\u52a1\u5904\u7406\u96be\u9898，\u63a8\u51fa\u4e86 WorkManager \u3002 WorkManager \u81f4\u529b\u4e8e\u7b80\u5316\u540e\u53f0\u4efb\u52a1\u7684\u5b89\u6392\u548c\u7ba1\u7406，\u65e0\u8bba\u662f\u7acb\u5373\u6267\u884c\u7684\u4efb\u52a1\u8fd8\u662f\u5ef6\u8fdf\u6267\u884c\u7684\u4efb\u52a1\u3002 <\/p>\n

WorkManager \u7684\u8bbe\u8ba1\u521d\u8877\u662f\u63d0\u4f9b\u4e00\u4e2a\u7075\u6d3b\u4e14\u53ef\u9760\u7684\u540e\u53f0\u4efb\u52a1\u5904\u7406\u5e93，\u80fd\u591f\u9002\u5e94\u5404\u79cdAndroid\u7248\u672c\u3002\u4e0e AlarmManager \u548c JobScheduler \u76f8\u6bd4， WorkManager \u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u80fd\u591f\u5904\u7406\u66f4\u52a0\u590d\u6742\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u6761\u4ef6\u9650\u5236，\u8fd9\u5bf9\u4e8e\u9700\u8981\u7cbe\u786e\u63a7\u5236\u4efb\u52a1\u6267\u884c\u987a\u5e8f\u7684\u5e94\u7528\u5c24\u5176\u91cd\u8981\u3002 <\/p>\n

\u4e00\u4e2a\u5178\u578b\u7684\u4f7f\u7528\u573a\u666f\u662f\u5e94\u7528\u9700\u8981\u5728\u540e\u53f0\u6267\u884c\u4e00\u7cfb\u5217\u987a\u5e8f\u4f9d\u8d56\u7684\u4efb\u52a1，\u6bd4\u5982\u5148\u4e0b\u8f7d\u6570\u636e，\u7136\u540e\u5904\u7406\u6570\u636e，\u6700\u540e\u4e0a\u4f20\u6570\u636e\u3002 <\/p>\n

\/\/ Kotlin\u4ee3\u7801\u793a\u4f8b：\u4f7f\u7528WorkManager\u5b89\u6392\u540e\u53f0\u4efb\u52a1
\nval workRequest = OneTimeWorkRequest.Builder(MyWork::class.java)
\n .build()<\/p>\n

WorkManager.getInstance(this).enqueue(workRequest)<\/p>\n

\u5728\u4e0a\u8ff0Kotlin\u4ee3\u7801\u4e2d，\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a OneTimeWorkRequest ，\u6307\u5b9a\u4e86\u8981\u6267\u884c\u7684\u540e\u53f0\u4efb\u52a1\u662f MyWork \u7c7b，\u7136\u540e\u5c06\u8fd9\u4e2a\u4efb\u52a1\u8bf7\u6c42\u52a0\u5165\u5230 WorkManager \u7684\u961f\u5217\u4e2d\u3002 <\/p>\n

2.2.2 \u5b9a\u65f6\u4efb\u52a1\u7684\u94fe\u5f0f\u6784\u5efa\u4e0e\u6761\u4ef6\u9650\u5236 <\/h5>\n

WorkManager \u7684\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u7279\u6027\u662f\u4efb\u52a1\u7684\u94fe\u5f0f\u6784\u5efa\u548c\u6761\u4ef6\u9650\u5236\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u4efb\u52a1\u94fe，\u786e\u4fdd\u6bcf\u4e2a\u4efb\u52a1\u6309\u7167\u7279\u5b9a\u7684\u987a\u5e8f\u6267\u884c，\u53ea\u6709\u5f53\u524d\u4e00\u4e2a\u4efb\u52a1\u6210\u529f\u5b8c\u6210\u65f6，\u4e0b\u4e00\u4e2a\u4efb\u52a1\u624d\u4f1a\u5f00\u59cb\u3002\u6b64\u5916， WorkManager \u8fd8\u652f\u6301\u5404\u79cd\u6761\u4ef6\u9650\u5236，\u4f8b\u5982\u7f51\u7edc\u72b6\u6001\u3001\u5b58\u50a8\u7a7a\u95f4\u7b49\u3002 <\/p>\n

\/\/ Kotlin\u4ee3\u7801\u793a\u4f8b：\u6784\u5efa\u4efb\u52a1\u94fe\u5e76\u6dfb\u52a0\u6761\u4ef6\u9650\u5236
\nval downloadWork = OneTimeWorkRequest.Builder(DownloadWork::class.java)
\n .build()
\nval processWork = OneTimeWorkRequest.Builder(ProcessWork::class.java)
\n .setConstraints Constraints.Builder()
\n .setRequiresStorageNotLow(true) \/\/ \u5b58\u50a8\u7a7a\u95f4\u5145\u8db3
\n .build()
\nval uploadWork = OneTimeWorkRequest.Builder(UploadWork::class.java)
\n .build()<\/p>\n

WorkManager.getInstance(this).beginWith(downloadWork)
\n .then(processWork)
\n .enqueue()<\/p>\n

\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d，\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u5de5\u4f5c\u8bf7\u6c42：\u4e0b\u8f7d\u3001\u5904\u7406\u548c\u4e0a\u4f20\u3002\u53ea\u6709\u5f53\u4e0b\u8f7d\u4efb\u52a1\u5b8c\u6210\u5e76\u4e14\u6ee1\u8db3 processWork \u4efb\u52a1\u7684\u6761\u4ef6\u9650\u5236（\u5b58\u50a8\u7a7a\u95f4\u5145\u8db3）\u65f6，\u5904\u7406\u4efb\u52a1\u624d\u4f1a\u6267\u884c\u3002 <\/p>\n

\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f， WorkManager \u4e0d\u4ec5\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u4efb\u52a1\u8c03\u5ea6\u673a\u5236，\u8fd8\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4efb\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u5404\u79cd\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91，\u4ece\u800c\u6ee1\u8db3\u66f4\u9ad8\u7ea7\u7684\u4e1a\u52a1\u9700\u6c42\u3002 <\/p>\n

2.3 \u9009\u62e9\u5408\u9002\u7684\u5b9a\u65f6\u673a\u5236 <\/h4>\n

2.3.1 \u4e1a\u52a1\u9700\u6c42\u5bf9\u5b9a\u65f6\u4efb\u52a1\u7684\u8981\u6c42\u5206\u6790 <\/h5>\n

\u5728\u9009\u62e9\u5408\u9002\u7684\u5b9a\u65f6\u4efb\u52a1\u5b9e\u73b0\u65b9\u5f0f\u4e4b\u524d，\u5fc5\u987b\u5bf9\u4e1a\u52a1\u9700\u6c42\u6709\u4e00\u4e2a\u6e05\u6670\u7684\u7406\u89e3\u3002\u8fd9\u5305\u62ec\u4efb\u52a1\u7684\u8c03\u5ea6\u9891\u7387\u3001\u6267\u884c\u7cbe\u5ea6\u3001\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u5f71\u54cd\u3001\u4ee5\u53ca\u5bf9\u7535\u6c60\u5bff\u547d\u7684\u5f71\u54cd\u7b49\u56e0\u7d20\u3002 <\/p>\n

\u4f8b\u5982，\u5982\u679c\u4e1a\u52a1\u9700\u6c42\u662f\u9700\u8981\u5728\u7cbe\u786e\u7684\u65f6\u95f4\u70b9\u53d1\u9001\u901a\u77e5，\u4e14\u5bf9\u7535\u91cf\u6d88\u8017\u8981\u6c42\u4e0d\u9ad8，\u5219 AlarmManager \u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002\u5982\u679c\u4efb\u52a1\u8c03\u5ea6\u4e0d\u90a3\u4e48\u4e25\u683c，\u4f46\u662f\u5bf9\u7535\u6c60\u5bff\u547d\u6709\u8f83\u9ad8\u8981\u6c42，\u5219 JobScheduler \u53ef\u80fd\u66f4\u4e3a\u5408\u9002\u3002 <\/p>\n

2.3.2 \u5b9a\u65f6\u4efb\u52a1\u5b9e\u73b0\u65b9\u6cd5\u7684\u4f18\u52a3\u8bc4\u4f30 <\/h5>\n

\u6bcf\u79cd\u5b9a\u65f6\u4efb\u52a1\u7684\u5b9e\u73b0\u65b9\u5f0f\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\u3002 AlarmManager \u63d0\u4f9b\u4e86\u6700\u7cbe\u786e\u7684\u5b9a\u65f6\u80fd\u529b，\u4f46\u662f\u5bf9\u7535\u91cf\u7684\u6d88\u8017\u8f83\u5927； JobScheduler \u9002\u7528\u4e8e\u9700\u8981\u8003\u8651\u7cfb\u7edf\u8d44\u6e90\u7684\u573a\u666f，\u4f46\u4e0d\u652f\u6301\u590d\u6742\u7684\u4efb\u52a1\u4f9d\u8d56；\u800c WorkManager \u5219\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u4e3a\u5168\u9762\u7684\u89e3\u51b3\u65b9\u6848，\u80fd\u591f\u5904\u7406\u590d\u6742\u7684\u4efb\u52a1\u4f9d\u8d56\u548c\u6761\u4ef6\u9650\u5236，\u4f46\u76f8\u5bf9\u800c\u8a00\u8d44\u6e90\u6d88\u8017\u66f4\u5927\u3002 <\/p>\n

\u4e0b\u8868\u5bf9\u8fd9\u4e09\u79cd\u65b9\u6cd5\u8fdb\u884c\u4e86\u7b80\u5355\u7684\u5bf9\u6bd4\u5206\u6790： <\/p>\n\n \u7279\u6027\/\u65b9\u6cd5 AlarmManager JobScheduler WorkManager <\/tr>\n\n\n\n\n\n\n\n
\u7cbe\u786e\u5ea6 <\/td>\n \u9ad8 <\/td>\n \u4e2d <\/td>\n \u4e2d <\/td>\n<\/tr>\n
\u7535\u6c60\u53cb\u597d\u5ea6 <\/td>\n \u4f4e <\/td>\n \u9ad8 <\/td>\n \u4e2d <\/td>\n<\/tr>\n
\u8d44\u6e90\u6d88\u8017 <\/td>\n \u9ad8 <\/td>\n \u4e2d <\/td>\n \u4e2d <\/td>\n<\/tr>\n
\u4efb\u52a1\u4f9d\u8d56 <\/td>\n \u4e0d\u652f\u6301 <\/td>\n \u4e0d\u652f\u6301 <\/td>\n \u652f\u6301 <\/td>\n<\/tr>\n
\u6761\u4ef6\u9650\u5236 <\/td>\n \u4e0d\u652f\u6301 <\/td>\n \u652f\u6301 <\/td>\n \u652f\u6301 <\/td>\n<\/tr>\n
Android\u7248\u672c\u517c\u5bb9\u6027 <\/td>\n \u4f4e <\/td>\n API 21+ <\/td>\n API 14+ <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u901a\u8fc7\u5206\u6790\u4e0a\u8ff0\u8868\u683c，\u6211\u4eec\u53ef\u4ee5\u770b\u51fa，\u6bcf\u79cd\u65b9\u6cd5\u7684\u7279\u6027\u5bf9\u4e8e\u9009\u62e9\u6700\u9002\u5408\u9879\u76ee\u9700\u6c42\u7684\u5b9a\u65f6\u4efb\u52a1\u5b9e\u73b0\u65b9\u5f0f\u81f3\u5173\u91cd\u8981\u3002\u7efc\u4e0a\u6240\u8ff0，\u5f00\u53d1\u8005\u5e94\u8be5\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u573a\u666f，\u9009\u62e9\u6700\u5408\u9002\u7684\u5b9a\u65f6\u4efb\u52a1\u5b9e\u73b0\u65b9\u5f0f\u3002 <\/p>\n

\u4e0b\u4e00\u7ae0\u8282\u5c06\u7ee7\u7eed\u63a2\u8ba8\u5730\u7406\u5b9a\u4f4d\u6280\u672f\u7684\u6df1\u5165\u7ec6\u8282\u3002 <\/p>\n

3. \u5730\u7406\u5b9a\u4f4d\u6280\u672f\u8be6\u89e3 <\/h2>\n

\u5728\u73b0\u4ee3\u79fb\u52a8\u5e94\u7528\u4e2d，\u5730\u7406\u5b9a\u4f4d\u6280\u672f\u5df2\u7ecf\u6210\u4e3a\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7cbe\u786e\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u80fd\u591f\u6781\u5927\u589e\u5f3a\u7528\u6237\u4f53\u9a8c，\u4e3a\u5e94\u7528\u63d0\u4f9b\u57fa\u4e8e\u4f4d\u7f6e\u7684\u670d\u52a1\u548c\u529f\u80fd\u3002\u672c\u7ae0\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4e09\u79cd\u4e3b\u6d41\u7684\u5730\u7406\u5b9a\u4f4d\u6280\u672f：GPS\u5b9a\u4f4d\u6280\u672f\u3001\u7f51\u7edc\u5b9a\u4f4d\u6280\u672f\u4ee5\u53ca\u878d\u5408\u5b9a\u4f4d\u6280\u672f，\u5e76\u63a2\u8ba8\u5982\u4f55\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\u4f18\u5316\u548c\u5e94\u7528\u8fd9\u4e9b\u6280\u672f\u3002 <\/p>\n

3.1 GPS\u5b9a\u4f4d\u6280\u672f <\/h3>\n

3.1.1 GPS\u5b9a\u4f4d\u7684\u5de5\u4f5c\u539f\u7406 <\/h4>\n

\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf（Global Positioning System，GPS）\u662f\u4e00\u79cd\u5229\u7528\u536b\u661f\u8fdb\u884c\u5b9a\u4f4d\u7684\u6280\u672f\u3002\u5b83\u901a\u8fc7\u8986\u76d6\u5730\u7403\u8868\u9762\u768424\u9897\u536b\u661f，\u5411\u5730\u7403\u53d1\u9001\u4fe1\u53f7，\u63a5\u6536\u5668\u6355\u83b7\u8fd9\u4e9b\u4fe1\u53f7\u4ee5\u8ba1\u7b97\u63a5\u6536\u5668\u7684\u5177\u4f53\u4f4d\u7f6e，\u5305\u62ec\u7eac\u5ea6\u3001\u7ecf\u5ea6\u548c\u6d77\u62d4\u3002GPS\u5b9a\u4f4d\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u8ddd\u79bb\u6d4b\u91cf\u548c\u65f6\u95f4\u540c\u6b65\u3002\u6bcf\u9897\u536b\u661f\u90fd\u643a\u5e26\u539f\u5b50\u949f，\u4fe1\u53f7\u5728\u53d1\u5c04\u65f6\u9644\u5e26\u53d1\u9001\u65f6\u95f4\u6233\u3002\u63a5\u6536\u5668\u901a\u8fc7\u6d4b\u91cf\u4fe1\u53f7\u7684\u4f20\u64ad\u65f6\u95f4\u5e76\u7ed3\u5408\u536b\u661f\u7684\u8ddd\u79bb\u4fe1\u606f，\u4ece\u800c\u786e\u5b9a\u4e0e\u6bcf\u9897\u536b\u661f\u7684\u8ddd\u79bb，\u8fdb\u4e00\u6b65\u901a\u8fc7\u590d\u6742\u7684\u51e0\u4f55\u8ba1\u7b97\u5f97\u5230\u51c6\u786e\u7684\u4f4d\u7f6e\u4fe1\u606f\u3002 <\/p>\n

3.1.2 GPS\u5b9a\u4f4d\u5728Android\u4e2d\u7684\u5e94\u7528\u5b9e\u8df5 <\/h4>\n

\u5728Android\u5e73\u53f0\u4e0a，GPS\u5b9a\u4f4d\u670d\u52a1\u7531Location API\u63d0\u4f9b\u652f\u6301\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7 LocationManager \u7c7b\u6765\u8bbf\u95eeGPS\u670d\u52a1，\u5e76\u901a\u8fc7 Location \u5bf9\u8c61\u83b7\u53d6\u4f4d\u7f6e\u4fe1\u606f\u3002\u5728\u4f7f\u7528GPS\u670d\u52a1\u65f6，\u9700\u8981\u6ce8\u610f\u83b7\u53d6\u7528\u6237\u4f4d\u7f6e\u7684\u6743\u9650，\u8fd9\u9700\u8981\u5728 AndroidManifest.xml \u4e2d\u58f0\u660e ACCESS_FINE_LOCATION \u6743\u9650\u3002\u6b64\u5916，GPS\u5b9a\u4f4d\u7684\u7cbe\u5ea6\u4f9d\u8d56\u4e8e\u591a\u79cd\u56e0\u7d20，\u5982\u536b\u661f\u4fe1\u53f7\u7684\u5f3a\u5ea6\u3001\u73af\u5883\u906e\u6321\u3001\u5929\u6c14\u72b6\u51b5\u7b49\u3002\u56e0\u6b64，\u5728\u5e94\u7528\u5b9e\u8df5\u4e2d\u8981\u5145\u5206\u8003\u8651GPS\u5b9a\u4f4d\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002 <\/p>\n

3.2 \u7f51\u7edc\u5b9a\u4f4d\u6280\u672f <\/h3>\n

3.2.1 \u7f51\u7edc\u5b9a\u4f4d\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u4f18\u7f3a\u70b9 <\/h4>\n

\u7f51\u7edc\u5b9a\u4f4d\u6280\u672f\u901a\u5e38\u5229\u7528\u79fb\u52a8\u7f51\u7edc\u548cWi-Fi\u4fe1\u53f7\u6765\u8fdb\u884c\u5b9a\u4f4d\u3002\u8be5\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u6d4b\u91cf\u7528\u6237\u8bbe\u5907\u4e0e\u7f51\u7edc\u4e2d\u5df2\u77e5\u4f4d\u7f6e\u7684\u591a\u4e2a\u57fa\u7ad9\u6216Wi-Fi\u63a5\u5165\u70b9\u7684\u8ddd\u79bb\u6216\u4fe1\u53f7\u5f3a\u5ea6，\u4f7f\u7528\u4e09\u89d2\u6d4b\u91cf\u6216\u6307\u7eb9\u5339\u914d\u7684\u65b9\u6cd5\u8ba1\u7b97\u7528\u6237\u7684\u4f4d\u7f6e\u3002\u4e0eGPS\u76f8\u6bd4，\u7f51\u7edc\u5b9a\u4f4d\u7684\u4f18\u52bf\u5728\u4e8e\u80fd\u591f\u5728\u5ba4\u5185\u6216\u536b\u661f\u4fe1\u53f7\u4e0d\u4f73\u7684\u5730\u533a\u5de5\u4f5c，\u4e14\u5b9a\u4f4d\u901f\u5ea6\u66f4\u5feb\u3002\u7136\u800c，\u7f51\u7edc\u5b9a\u4f4d\u7684\u7cbe\u5ea6\u4e00\u822c\u4f4e\u4e8eGPS，\u53d7\u73af\u5883\u56e0\u7d20\u5f71\u54cd\u8f83\u5927，\u5982\u4fe1\u53f7\u5bc6\u5ea6\u548c\u8d28\u91cf\u7b49\u3002 <\/p>\n

3.2.2 \u7f51\u7edc\u5b9a\u4f4d\u4e0eGPS\u5b9a\u4f4d\u7684\u7ed3\u5408\u5e94\u7528 <\/h4>\n

\u5728\u73b0\u4ee3\u667a\u80fd\u624b\u673a\u4e2d，\u901a\u5e38\u5c06GPS\u5b9a\u4f4d\u548c\u7f51\u7edc\u5b9a\u4f4d\u6280\u672f\u7ed3\u5408\u4f7f\u7528，\u4ee5\u63d0\u4f9b\u66f4\u5feb\u901f\u3001\u66f4\u51c6\u786e\u7684\u4f4d\u7f6e\u4fe1\u606f\u3002\u8fd9\u79cd\u7ed3\u5408\u5e94\u7528，\u901a\u5e38\u88ab\u79f0\u4e3a\u878d\u5408\u5b9a\u4f4d\u6280\u672f\u3002\u4f8b\u5982，\u5728Android\u5e73\u53f0\u4e0a， FusedLocationProviderClient \u5c31\u662f\u5229\u7528\u878d\u5408\u5b9a\u4f4d\u6280\u672f\u7684\u5ba2\u6237\u7aefAPI，\u5b83\u80fd\u591f\u667a\u80fd\u9009\u62e9\u6700\u4f18\u7684\u5b9a\u4f4d\u65b9\u5f0f，\u6839\u636e\u8bbe\u5907\u7684\u53ef\u7528\u6027\u548c\u7cbe\u5ea6\u8981\u6c42，\u81ea\u52a8\u5207\u6362GPS\u548c\u7f51\u7edc\u5b9a\u4f4d\u3002 <\/p>\n

3.3 \u878d\u5408\u5b9a\u4f4d\u6280\u672f <\/h3>\n

3.3.1 \u878d\u5408\u5b9a\u4f4d\u7684\u5b9e\u73b0\u65b9\u5f0f <\/h4>\n

\u878d\u5408\u5b9a\u4f4d\u6280\u672f\u5c06GPS\u5b9a\u4f4d\u4e0e\u7f51\u7edc\u5b9a\u4f4d\u7b49\u5176\u4ed6\u5b9a\u4f4d\u6280\u672f\u7ed3\u5408\u8d77\u6765，\u4ee5\u63d0\u9ad8\u5b9a\u4f4d\u7684\u51c6\u786e\u5ea6\u548c\u901f\u5ea6\u3002\u878d\u5408\u5b9a\u4f4d\u7684\u5b9e\u73b0\u65b9\u5f0f\u901a\u5e38\u7531\u64cd\u4f5c\u7cfb\u7edf\u7684\u5b9a\u4f4d\u670d\u52a1\u6765\u7ba1\u7406，\u5982Android\u7684Location Services API\u3002\u5f00\u53d1\u8005\u65e0\u9700\u76f4\u63a5\u5904\u7406\u5e95\u5c42\u7684\u878d\u5408\u903b\u8f91，\u800c\u662f\u901a\u8fc7\u8c03\u7528\u9ad8\u7ea7API\u6765\u83b7\u53d6\u4f18\u5316\u540e\u7684\u5b9a\u4f4d\u4fe1\u606f\u3002\u8fd9\u4e9bAPI\u80cc\u540e，\u4f7f\u7528\u4e86\u8bf8\u5982Kalman\u6ee4\u6ce2\u5668\u6216\u7c92\u5b50\u6ee4\u6ce2\u5668\u7b49\u590d\u6742\u7684\u7b97\u6cd5，\u4ee5\u6574\u5408\u548c\u5e73\u8861\u6765\u81ea\u4e0d\u540c\u6765\u6e90\u7684\u4f4d\u7f6e\u6570\u636e\u3002 <\/p>\n

3.3.2 \u878d\u5408\u5b9a\u4f4d\u5728\u79fb\u52a8\u5e94\u7528\u4e2d\u7684\u4f18\u5316\u7b56\u7565 <\/h4>\n

\u5728\u79fb\u52a8\u5e94\u7528\u4e2d，\u878d\u5408\u5b9a\u4f4d\u6280\u672f\u7684\u4f18\u5316\u7b56\u7565\u6d89\u53ca\u5230\u591a\u4e2a\u65b9\u9762\u3002\u9996\u5148，\u5f00\u53d1\u8005\u9700\u8981\u6839\u636e\u5e94\u7528\u7684\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5b9a\u4f4d\u9009\u9879\u548c\u53c2\u6570，\u6bd4\u5982\u4f18\u5148\u8003\u8651\u51c6\u786e\u6027\u8fd8\u662f\u901f\u5ea6\u3002\u5176\u6b21，\u5e94\u7528\u9700\u8981\u5408\u7406\u5904\u7406\u4f4d\u7f6e\u66f4\u65b0，\u4ee5\u51cf\u5c11\u80fd\u8017\u548c\u6570\u636e\u4f7f\u7528\u91cf，\u4f8b\u5982，\u5728\u4e0d\u9700\u8981\u9ad8\u7cbe\u5ea6\u4f4d\u7f6e\u66f4\u65b0\u7684\u573a\u666f\u4e0b，\u5e94\u7528\u5e94\u9002\u5f53\u964d\u4f4e\u66f4\u65b0\u9891\u7387\u3002\u6700\u540e，\u8003\u8651\u5230\u7528\u6237\u9690\u79c1，\u5e94\u7528\u5e94\u660e\u786e\u544a\u77e5\u7528\u6237\u4f4d\u7f6e\u6570\u636e\u7684\u4f7f\u7528\u76ee\u7684\u548c\u8303\u56f4，\u4fdd\u8bc1\u7528\u6237\u5bf9\u4f4d\u7f6e\u4fe1\u606f\u7684\u5b8c\u5168\u63a7\u5236\u3002 <\/p>\n

\u4ee3\u7801\u5757\u548c\u903b\u8f91\u5206\u6790 <\/h4>\n

\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Android\u4ee3\u7801\u793a\u4f8b，\u5c55\u793a\u5982\u4f55\u4f7f\u7528 FusedLocationProviderClient \u83b7\u53d6\u878d\u5408\u5b9a\u4f4d\u4fe1\u606f： <\/p>\n

\/\/ \u521b\u5efaLocationRequest
\nLocationRequest locationRequest = LocationRequest.create();
\nlocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);<\/p>\n

\/\/ \u521b\u5efaLocationCallback
\nLocationCallback locationCallback = new LocationCallback() {
\n @Override
\n public void onLocationResult(LocationResult locationResult) {
\n if (locationResult == null) {
\n return;
\n }
\n for (Location location : locationResult.getLocations()) {
\n \/\/ \u5904\u7406\u4f4d\u7f6e\u66f4\u65b0
\n Log.i(TAG, "Location: " + location.getLatitude() + ", " + location.getLongitude());
\n }
\n }
\n};<\/p>\n

\/\/ \u83b7\u53d6FusedLocationProviderClient\u5b9e\u4f8b
\nFusedLocationProviderClient fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);<\/p>\n

\/\/ \u8bf7\u6c42\u4f4d\u7f6e\u66f4\u65b0
\nfusedLocationClient.requestLocationUpdates(locationRequest, locationCallback, null \/* Looper *\/);<\/p>\n

\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d， LocationRequest \u5bf9\u8c61\u7528\u4e8e\u8bbe\u7f6e\u4f4d\u7f6e\u66f4\u65b0\u7684\u4f18\u5148\u7ea7\u3002\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a LocationCallback \u5bf9\u8c61\u6765\u5904\u7406\u4f4d\u7f6e\u66f4\u65b0\u7684\u56de\u8c03\u3002 FusedLocationProviderClient \u7684 requestLocationUpdates \u65b9\u6cd5\u7528\u4e8e\u8bf7\u6c42\u4f4d\u7f6e\u66f4\u65b0\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f，\u5e94\u7528\u5728\u4f7f\u7528\u4f4d\u7f6e\u670d\u52a1\u524d，\u5fc5\u987b\u83b7\u53d6\u7528\u6237\u7684\u4f4d\u7f6e\u6743\u9650\u3002 <\/p>\n

\u8868\u683c\u5c55\u793a <\/h4>\n\n \u9879\u76ee GPS\u5b9a\u4f4d \u7f51\u7edc\u5b9a\u4f4d \u878d\u5408\u5b9a\u4f4d <\/tr>\n\n\n\n\n\n
\u7cbe\u5ea6 <\/td>\n \u9ad8 <\/td>\n \u4e2d\u4f4e <\/td>\n \u9ad8 <\/td>\n<\/tr>\n
\u901f\u5ea6 <\/td>\n \u4e2d\u6162 <\/td>\n \u5feb <\/td>\n \u5feb <\/td>\n<\/tr>\n
\u5ba4\u5185\u8986\u76d6 <\/td>\n \u4e0d\u4f73 <\/td>\n \u826f\u597d <\/td>\n \u826f\u597d <\/td>\n<\/tr>\n
\u8017\u7535 <\/td>\n \u9ad8 <\/td>\n \u4f4e <\/td>\n \u4e2d <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5728\u4e0a\u8868\u4e2d，\u6211\u4eec\u5217\u51fa\u4e86\u4e09\u79cd\u5b9a\u4f4d\u6280\u672f\u7684\u4e3b\u8981\u6027\u80fd\u6307\u6807\u5bf9\u6bd4\u3002\u8fd9\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u6839\u636e\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u9009\u62e9\u6700\u5408\u9002\u7684\u5b9a\u4f4d\u6280\u672f\u3002 <\/p>\n

\u603b\u7ed3 <\/h4>\n

\u5730\u7406\u5b9a\u4f4d\u6280\u672f\u662f\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d\u7684\u5173\u952e\u8981\u7d20\u4e4b\u4e00\u3002\u901a\u8fc7\u7406\u89e3\u548c\u5e94\u7528GPS\u5b9a\u4f4d\u3001\u7f51\u7edc\u5b9a\u4f4d\u4ee5\u53ca\u878d\u5408\u5b9a\u4f4d\u6280\u672f，\u5f00\u53d1\u8005\u80fd\u591f\u63d0\u4f9b\u66f4\u52a0\u4e30\u5bcc\u548c\u7cbe\u786e\u7684\u4f4d\u7f6e\u670d\u52a1\u3002\u7136\u800c，\u5b9a\u4f4d\u6280\u672f\u7684\u5e94\u7528\u5e76\u975e\u5b64\u7acb\u5b58\u5728，\u5b83\u9700\u8981\u4e0e\u79fb\u52a8\u5e94\u7528\u7684\u5176\u4ed6\u90e8\u5206\u76f8\u4e92\u534f\u4f5c，\u4ee5\u53ca\u8003\u8651\u9690\u79c1\u4fdd\u62a4\u548c\u7528\u6237\u4f53\u9a8c\u7b49\u56e0\u7d20\u3002\u5728\u672c\u7ae0\u8282\u4e2d，\u6211\u4eec\u8be6\u7ec6\u63a2\u8ba8\u4e86\u8fd9\u4e9b\u6280\u672f\u7684\u5b9e\u73b0\u539f\u7406，\u5e76\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u548c\u8868\u683c\u5bf9\u6bd4，\u4f7f\u8bfb\u8005\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u6280\u672f\u3002 <\/p>\n

4. \u7f51\u7edc\u901a\u4fe1\u673a\u5236\u4e0e\u5b9e\u8df5 <\/h2>\n

4.1 HTTP\/HTTPS\u8bf7\u6c42\u7684\u5b9e\u73b0 <\/h3>\n

4.1.1 HTTP\/HTTPS\u534f\u8bae\u57fa\u7840 <\/h4>\n

HTTP（HyperText Transfer Protocol）\u662f\u4e00\u79cd\u7528\u4e8e\u5206\u5e03\u5f0f\u3001\u534f\u4f5c\u5f0f\u548c\u8d85\u5a92\u4f53\u4fe1\u606f\u7cfb\u7edf\u7684\u5e94\u7528\u5c42\u534f\u8bae\u3002HTTP\u662f\u4e92\u8054\u7f51\u4e0a\u5e94\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u4e00\u79cd\u7f51\u7edc\u534f\u8bae\u3002\u5b83\u7684\u57fa\u672c\u7279\u70b9\u662f\u65e0\u72b6\u6001\u7684，\u4f46\u968f\u7740Web 2.0\u7684\u5174\u8d77，\u65e0\u72b6\u6001\u7684\u9650\u5236\u9010\u6e10\u6210\u4e3a\u74f6\u9888，\u56e0\u6b64\u5f15\u5165\u4e86Cookie\u548cSession\u673a\u5236\u3002 <\/p>\n

HTTPS（HyperText Transfer Protocol Secure）\u662fHTTP\u7684\u5b89\u5168\u7248\u672c\u3002\u5b83\u901a\u8fc7\u5728HTTP\u548cTCP\/IP\u4e4b\u95f4\u52a0\u5165SSL\/TLS\u5b89\u5168\u5c42\u6765\u5b9e\u73b0\u6570\u636e\u52a0\u5bc6\u3001\u6570\u636e\u5b8c\u6574\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\u3002HTTPS\u534f\u8bae\u4e3a\u6570\u636e\u4f20\u8f93\u63d0\u4f9b\u4e86\u66f4\u52a0\u5b89\u5168\u7684\u901a\u9053，\u4fdd\u8bc1\u4e86\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u4fdd\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002 <\/p>\n

\u5728Android\u5f00\u53d1\u4e2d，\u4f7f\u7528HTTP\/HTTPS\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\u662f\u5e38\u89c1\u7684\u9700\u6c42，\u65e0\u8bba\u662f\u4e0e\u670d\u52a1\u5668\u540c\u6b65\u6570\u636e\u8fd8\u662f\u52a0\u8f7d\u7f51\u9875\u5185\u5bb9，\u90fd\u9700\u8981\u4e86\u89e3\u548c\u4f7f\u7528HTTP\/HTTPS\u534f\u8bae\u3002 <\/p>\n

4.1.2 \u5728Android\u4e2d\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\u7684\u65b9\u6cd5 <\/h4>\n

\u5728Android\u4e2d\u53d1\u8d77HTTP\u8bf7\u6c42，\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7edf\u63d0\u4f9b\u7684HttpURLConnection\u7c7b，\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982OkHttp\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528HttpURLConnection\u53d1\u8d77GET\u8bf7\u6c42\u7684\u7b80\u5355\u793a\u4f8b： <\/p>\n

URL url = new URL("http:\/\/example.com\/api\/data");
\nHttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
\ntry {
\n InputStream in = new BufferedInputStream(urlConnection.getInputStream());
\n readStream(in);
\n} finally {
\n urlConnection.disconnect();
\n}<\/p>\n

\u800c\u53d1\u8d77HTTPS\u8bf7\u6c42\u901a\u5e38\u4e0d\u9700\u8981\u989d\u5916\u7684\u64cd\u4f5c，\u56e0\u4e3aJava\u7684HttpsURLConnection\u7c7b\u5185\u90e8\u5df2\u7ecf\u5bf9SSL\/TLS\u8fdb\u884c\u4e86\u652f\u6301，\u4f46\u4e3a\u4e86\u786e\u4fdd\u5b89\u5168\u6027，\u5efa\u8bae\u5bf9SSL\u8fdb\u884c\u4e00\u4e9b\u914d\u7f6e\u548c\u9a8c\u8bc1\u3002 <\/p>\n

\u53d1\u8d77POST\u8bf7\u6c42\u65f6，\u9700\u8981\u8bbe\u7f6e\u8bf7\u6c42\u65b9\u6cd5\u5e76\u5199\u5165\u8981\u53d1\u9001\u7684\u6570\u636e： <\/p>\n

URL url = new URL("http:\/\/example.com\/api\/data");
\nHttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
\ntry {
\n urlConnection.setRequestMethod("POST");
\n urlConnection.setDoOutput(true);
\n OutputStream os = urlConnection.getOutputStream();
\n BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
\n String content = "key1=value1&key2=value2";
\n writer.write(content);
\n writer.flush();
\n writer.close();
\n os.close();
\n} finally {
\n urlConnection.disconnect();
\n}<\/p>\n

\u8bf7\u6ce8\u610f，\u7f51\u7edc\u8bf7\u6c42\u5e94\u8be5\u5728\u975eUI\u7ebf\u7a0b\u4e2d\u8fdb\u884c，\u907f\u514d\u963b\u585eUI\u7ebf\u7a0b\u5bfc\u81f4\u5e94\u7528\u65e0\u54cd\u5e94\u3002\u5728Android\u4e2d，\u53ef\u4ee5\u4f7f\u7528AsyncTask\u6216\u5176\u4ed6\u5e76\u53d1\u5de5\u5177\u6765\u6267\u884c\u7f51\u7edc\u8bf7\u6c42\u3002 <\/p>\n

4.2 RESTful API\u7684\u8bbe\u8ba1\u4e0e\u5e94\u7528 <\/h3>\n

4.2.1 RESTful API\u7684\u57fa\u672c\u539f\u5219 <\/h4>\n

REST（Representational State Transfer）\u662f\u4e00\u79cd\u7f51\u7edc\u67b6\u6784\u98ce\u683c，\u5b83\u88ab\u5e7f\u6cdb\u7528\u4e8eWeb API\u7684\u8bbe\u8ba1\u3002RESTful API\u9075\u5faa\u65e0\u72b6\u6001\u901a\u4fe1\u539f\u5219，\u4f7f\u7528\u7edf\u4e00\u7684\u63a5\u53e3（\u901a\u5e38\u662fHTTP\/HTTPS\u8bf7\u6c42）\u6765\u5904\u7406\u8d44\u6e90\u3002\u5728RESTful API\u8bbe\u8ba1\u4e2d，\u8d44\u6e90\u901a\u8fc7URL\u8bc6\u522b，\u5982 \/users \u8868\u793a\u7528\u6237\u8d44\u6e90\u3002 <\/p>\n

RESTful API\u901a\u5e38\u4f7f\u7528\u4ee5\u4e0bHTTP\u65b9\u6cd5： <\/p>\n

    \n
  • GET：\u83b7\u53d6\u8d44\u6e90 <\/li>\n
  • POST：\u521b\u5efa\u8d44\u6e90 <\/li>\n
  • PUT：\u66f4\u65b0\u8d44\u6e90（\u901a\u5e38\u4ee5\u5b8c\u5168\u66ff\u6362\u7684\u65b9\u5f0f） <\/li>\n
  • PATCH：\u66f4\u65b0\u8d44\u6e90（\u901a\u5e38\u4ee5\u90e8\u5206\u66f4\u65b0\u7684\u65b9\u5f0f） <\/li>\n
  • DELETE：\u5220\u9664\u8d44\u6e90 <\/li>\n<\/ul>\n

    4.2.2 Android\u5e94\u7528\u4e2d\u4f7f\u7528RESTful API\u7684\u793a\u4f8b <\/h4>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528OkHttp\u5e93\u5b9e\u73b0RESTful API\u8c03\u7528\u7684\u793a\u4f8b： <\/p>\n

    OkHttpClient client = new OkHttpClient();
    \nString url = "http:\/\/example.com\/api\/users\/1";
    \nRequest request = new Request.Builder()
    \n .url(url)
    \n .get()
    \n .build();<\/p>\n

    client.newCall(request).enqueue(new Callback() {
    \n @Override
    \n public void onFailure(Call call, IOException e) {
    \n \/\/ \u5904\u7406\u8bf7\u6c42\u5931\u8d25
    \n }<\/p>\n

    @Override
    \n public void onResponse(Call call, Response response) throws IOException {
    \n if (response.isSuccessful()) {
    \n String responseBody = response.body().string();
    \n \/\/ \u5904\u7406\u54cd\u5e94\u6570\u636e
    \n }
    \n }
    \n});<\/p>\n

    \u5728\u5b9e\u9645\u7684Android\u5e94\u7528\u4e2d，\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\u9700\u8981\u8003\u8651\u7ebf\u7a0b\u7ba1\u7406\u3001\u7f51\u7edc\u72b6\u6001\u76d1\u542c\u3001\u8bf7\u6c42\u91cd\u8bd5\u673a\u5236\u3001JSON\u6570\u636e\u7684\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u7b49\u591a\u65b9\u9762\u7684\u95ee\u9898\u3002\u5bf9\u4e8e\u590d\u6742\u7684\u7f51\u7edc\u901a\u4fe1\u4efb\u52a1，\u5efa\u8bae\u4f7f\u7528\u6210\u719f\u7684\u7f51\u7edc\u8bf7\u6c42\u5e93\u5982Retrofit，\u5b83\u63d0\u4f9b\u4e86\u58f0\u660e\u5f0f\u7684API\u6784\u5efa\u5668\u548c\u8f6c\u6362\u5668，\u5927\u5927\u7b80\u5316\u4e86\u7f51\u7edc\u8bf7\u6c42\u7684\u4ee3\u7801\u3002 <\/p>\n

    \/\/ \u793a\u4f8b\u4f7f\u7528Retrofit
    \nRetrofit retrofit = new Retrofit.Builder()
    \n .baseUrl("http:\/\/example.com\/api\/")
    \n .addConverterFactory(GsonConverterFactory.create())
    \n .build();<\/p>\n

    UserService service = retrofit.create(UserService.class);
    \nCall<User> call = service.getUser(1);
    \ncall.enqueue(new Callback<User>() {
    \n @Override
    \n public void onResponse(Call<User> call, Response<User> response) {
    \n \/\/ \u5904\u7406\u7528\u6237\u6570\u636e
    \n }<\/p>\n

    @Override
    \n public void onFailure(Call<User> call, Throwable t) {
    \n \/\/ \u5904\u7406\u8bf7\u6c42\u5931\u8d25
    \n }
    \n});<\/p>\n

    \u901a\u8fc7\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b，\u53ef\u4ee5\u770b\u51fa\u5728Android\u5e94\u7528\u4e2d，\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u548c\u4f7f\u7528RESTful API\u662f\u4e00\u4e2a\u591a\u5c42\u6b21\u7684\u8fc7\u7a0b，\u6d89\u53ca\u7f51\u7edc\u534f\u8bae\u3001\u7ebf\u7a0b\u3001\u7f51\u7edc\u72b6\u6001\u7ba1\u7406\u7b49\u591a\u4e2a\u65b9\u9762\u3002\u5728\u8bbe\u8ba1\u7f51\u7edc\u901a\u4fe1\u673a\u5236\u65f6，\u8fd8\u9700\u8981\u8003\u8651\u5230\u5f02\u5e38\u5904\u7406\u3001\u5b89\u5168\u6027\u3001\u6027\u80fd\u4f18\u5316\u7b49\u7ec6\u8282\u95ee\u9898\u3002 <\/p>\n

    5. Android\u6743\u9650\u7ba1\u7406\u4e0e\u9690\u79c1\u4fdd\u62a4 <\/h2>\n

    5.1 \u6743\u9650\u7ba1\u7406\u6838\u5fc3\u6982\u5ff5 <\/h3>\n

    Android\u6743\u9650\u7cfb\u7edf\u7684\u6f14\u53d8 <\/h4>\n

    Android\u6743\u9650\u7cfb\u7edf\u662f\u4fdd\u969c\u5e94\u7528\u5b89\u5168\u548c\u7528\u6237\u9690\u79c1\u7684\u91cd\u8981\u673a\u5236\u3002\u4ece\u6700\u521d\u7684\u5355\u4e00\u6743\u9650\u6a21\u578b，\u5230Android 6.0（API \u7ea7\u522b 23）\u5f15\u5165\u7684\u52a8\u6001\u6743\u9650\u6a21\u578b，Android\u6743\u9650\u7cfb\u7edf\u7ecf\u5386\u4e86\u91cd\u5927\u7684\u6f14\u5316\u3002\u65e9\u671f\u7248\u672c\u4e2d，\u5e94\u7528\u5b89\u88c5\u65f6\u4f1a\u63d0\u793a\u7528\u6237\u4e00\u6b21\u6027\u6388\u6743\u6240\u6709\u6743\u9650，\u8fd9\u5bfc\u81f4\u7528\u6237\u53ef\u80fd\u5728\u4e0d\u4e86\u89e3\u5e94\u7528\u5177\u4f53\u9700\u8981\u54ea\u4e9b\u6743\u9650\u7684\u60c5\u51b5\u4e0b\u6388\u6743\u3002\u4e3a\u4e86\u589e\u5f3a\u7528\u6237\u7684\u9690\u79c1\u4fdd\u62a4，Android\u5f15\u5165\u4e86\u52a8\u6001\u6743\u9650\u8bf7\u6c42\u673a\u5236，\u5b83\u5141\u8bb8\u5e94\u7528\u5728\u8fd0\u884c\u65f6\u8bf7\u6c42\u5fc5\u8981\u7684\u6743\u9650，\u7528\u6237\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u51b3\u5b9a\u662f\u5426\u6388\u6743，\u4ece\u800c\u63d0\u9ad8\u4e86\u7528\u6237\u4f53\u9a8c\u548c\u7cfb\u7edf\u5b89\u5168\u6027\u3002 <\/p>\n

    AndroidManifest.xml\u7684\u6743\u9650\u58f0\u660e <\/h4>\n

    \u6bcf\u4e2aAndroid\u5e94\u7528\u5728 AndroidManifest.xml \u6587\u4ef6\u4e2d\u58f0\u660e\u9700\u8981\u4f7f\u7528\u7684\u6743\u9650\u3002\u8fd9\u4e9b\u6743\u9650\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b：\u666e\u901a\u6743\u9650\u548c\u5371\u9669\u6743\u9650\u3002\u666e\u901a\u6743\u9650\u4e0d\u9700\u8981\u7528\u6237\u5728\u8fd0\u884c\u65f6\u6388\u6743，\u7cfb\u7edf\u4f1a\u81ea\u52a8\u6388\u4e88，\u4f8b\u5982\u8bbf\u95ee\u7f51\u7edc\u7b49\u3002\u5371\u9669\u6743\u9650\u5219\u9700\u8981\u7528\u6237\u660e\u786e\u6388\u6743，\u5b83\u4eec\u53ef\u80fd\u6d89\u53ca\u654f\u611f\u4fe1\u606f，\u5982\u4f4d\u7f6e\u3001\u76f8\u673a\u6216\u9ea6\u514b\u98ce\u8bbf\u95ee\u7b49\u3002\u5f00\u53d1\u8005\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528 uses-permission \u6807\u7b7e\u6765\u58f0\u660e\u8fd9\u4e9b\u6743\u9650\u3002\u6b64\u5916，Android 11（API \u7ea7\u522b 30）\u53ca\u4ee5\u4e0a\u7248\u672c\u8fd8\u5f15\u5165\u4e86\u66f4\u7ec6\u7c92\u5ea6\u7684\u6743\u9650\u63a7\u5236，\u5982\u4ec5\u5728\u524d\u53f0\u8fd0\u884c\u65f6\u624d\u6388\u4e88\u67d0\u4e9b\u6743\u9650，\u8fdb\u4e00\u6b65\u52a0\u5f3a\u4e86\u9690\u79c1\u4fdd\u62a4\u3002 <\/p>\n

    5.2 \u5e94\u7528\u6743\u9650\u8bf7\u6c42\u4e0e\u7528\u6237\u4ea4\u4e92 <\/h3>\n

    \u52a8\u6001\u6743\u9650\u8bf7\u6c42\u6d41\u7a0b\u8be6\u89e3 <\/h4>\n

    \u52a8\u6001\u6743\u9650\u8bf7\u6c42\u4e3b\u8981\u901a\u8fc7 ActivityCompat.requestPermissions \u65b9\u6cd5\u5b9e\u73b0，\u5f53\u5e94\u7528\u9700\u8981\u83b7\u53d6\u67d0\u4e2a\u5371\u9669\u6743\u9650\u65f6，\u4f1a\u5728\u8fd0\u884c\u65f6\u8c03\u7528\u6b64\u65b9\u6cd5\u3002\u7cfb\u7edf\u968f\u540e\u4f1a\u5f39\u51fa\u4e00\u4e2a\u5bf9\u8bdd\u6846\u8ba9\u7528\u6237\u786e\u8ba4\u6743\u9650\u8bf7\u6c42\u3002\u5982\u679c\u7528\u6237\u540c\u610f，\u7cfb\u7edf\u4f1a\u6388\u6743\u6743\u9650，\u5e94\u7528\u4fbf\u53ef\u4ee5\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002\u5982\u679c\u7528\u6237\u62d2\u7edd，\u5e94\u7528\u53ef\u4ee5\u89e3\u91ca\u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u4e9b\u6743\u9650，\u5e76\u8bf7\u6c42\u7528\u6237\u91cd\u65b0\u8003\u8651\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u52a8\u6001\u6743\u9650\u8bf7\u6c42\u7684\u793a\u4f8b\u4ee3\u7801\u5757\u53ca\u5176\u89e3\u91ca： <\/p>\n

    \/\/ \u8bf7\u6c42\u6743\u9650\u7684\u793a\u4f8b\u51fd\u6570
    \nfun requestLocationPermission() {
    \n if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
    \n \/\/ \u5982\u679c\u672a\u6388\u4e88\u6743\u9650，\u5219\u8bf7\u6c42\u6743\u9650
    \n ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_FINE_LOCATION), REQUEST_LOCATION_PERMISSION)
    \n } else {
    \n \/\/ \u5df2\u7ecf\u6388\u4e88\u6743\u9650，\u6267\u884c\u64cd\u4f5c
    \n performLocationAction()
    \n }
    \n}<\/p>\n

    \/\/ \u6743\u9650\u8bf7\u6c42\u56de\u8c03\u51fd\u6570
    \noverride fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
    \n super.onRequestPermissionsResult(requestCode, permissions, grantResults)
    \n if (requestCode == REQUEST_LOCATION_PERMISSION) {
    \n if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
    \n \/\/ \u7528\u6237\u6388\u4e88\u6743\u9650，\u6267\u884c\u64cd\u4f5c
    \n performLocationAction()
    \n } else {
    \n \/\/ \u7528\u6237\u62d2\u7edd\u6743\u9650，\u89e3\u91ca\u5e76\u8bf7\u6c42\u7528\u6237\u91cd\u65b0\u8003\u8651
    \n explainAndRequestPermissionAgain()
    \n }
    \n }
    \n}<\/p>\n

    \u7528\u6237\u6743\u9650\u62d2\u7edd\u540e\u7684\u5e94\u5bf9\u7b56\u7565 <\/h4>\n

    \u5f53\u7528\u6237\u62d2\u7edd\u6743\u9650\u8bf7\u6c42\u65f6，\u5e94\u7528\u5e94\u8be5\u63d0\u4f9b\u6e05\u6670\u7684\u89e3\u91ca，\u8bf4\u660e\u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u4e9b\u6743\u9650，\u5e76\u7ed9\u7528\u6237\u63d0\u4f9b\u91cd\u65b0\u8bf7\u6c42\u6743\u9650\u7684\u9009\u9879\u3002\u5982\u679c\u7528\u6237\u6301\u7eed\u62d2\u7edd，\u5e94\u7528\u5e94\u5f53\u80fd\u591f\u4f18\u96c5\u5730\u964d\u7ea7，\u7ee7\u7eed\u63d0\u4f9b\u65e0\u8be5\u6743\u9650\u652f\u6301\u4e0b\u7684\u57fa\u7840\u670d\u52a1\u3002\u5f00\u53d1\u8005\u5e94\u907f\u514d\u56e0\u4e3a\u6743\u9650\u7684\u62d2\u7edd\u800c\u5f71\u54cd\u5230\u5e94\u7528\u7684\u6838\u5fc3\u529f\u80fd，\u786e\u4fdd\u7528\u6237\u5373\u4f7f\u62d2\u7edd\u6743\u9650\u4e5f\u80fd\u5f97\u5230\u5408\u7406\u7684\u5e94\u7528\u4f53\u9a8c\u3002 <\/p>\n

    fun explainAndRequestPermissionAgain() {
    \n \/\/ \u5f39\u51fa\u5bf9\u8bdd\u6846\u89e3\u91ca\u6743\u9650\u7684\u91cd\u8981\u6027
    \n \/\/ \u7ed9\u7528\u6237\u4e00\u4e2a\u91cd\u65b0\u8bf7\u6c42\u6743\u9650\u7684\u6309\u94ae
    \n \/\/ \u4f8b\u5982\u4f7f\u7528MaterialButton
    \n val explainingMessage = "\u6211\u4eec\u9700\u8981\u60a8\u7684\u4f4d\u7f6e\u6743\u9650\u6765\u63d0\u4f9b\u6700\u4f73\u7684\u5bfc\u822a\u4f53\u9a8c\u3002"
    \n val buttonText = "\u8bf7\u6c42\u6743\u9650"
    \n \/\/ \u6b64\u5904\u4ee3\u7801\u5e94\u521b\u5efa\u4e00\u4e2a\u5e26\u6709\u89e3\u91ca\u4fe1\u606f\u548c\u6309\u94ae\u7684\u5bf9\u8bdd\u6846，\u6309\u94ae\u70b9\u51fb\u4e8b\u4ef6\u7ed1\u5b9a\u5230\u91cd\u65b0\u8bf7\u6c42\u6743\u9650\u7684\u903b\u8f91
    \n}<\/p>\n

    5.3 \u4fdd\u969c\u7528\u6237\u9690\u79c1\u7684\u6700\u4f73\u5b9e\u8df5 <\/h3>\n

    Android 10+\u9690\u79c1\u653f\u7b56\u53d8\u5316\u6982\u8ff0 <\/h4>\n

    Android 10（API \u7ea7\u522b 29）\u548c\u66f4\u9ad8\u7248\u672c\u5bf9\u9690\u79c1\u4fdd\u62a4\u653f\u7b56\u8fdb\u884c\u4e86\u91cd\u8981\u66f4\u65b0\u3002\u5f15\u5165\u4e86\u201c scoped storage \u201d（\u8303\u56f4\u5b58\u50a8），\u9650\u5236\u4e86\u5e94\u7528\u5bf9\u8bbe\u5907\u5b58\u50a8\u7684\u8bbf\u95ee，\u5f3a\u5236\u4f7f\u7528\u66f4\u5b89\u5168\u7684\u5b58\u50a8\u8bbf\u95ee\u6a21\u5f0f\u3002\u6b64\u5916，Android 11\u8fdb\u4e00\u6b65\u9650\u5236\u540e\u53f0\u6d3b\u52a8\u4e2d\u7684\u6570\u636e\u8bbf\u95ee，\u4ee5\u53ca\u9650\u5236\u5e94\u7528\u83b7\u53d6\u8bbe\u5907\u6807\u8bc6\u7b26\u548c\u8bfb\u53d6\u526a\u8d34\u677f\u7684\u80fd\u529b\u3002\u8fd9\u4e9b\u53d8\u5316\u8981\u6c42\u5e94\u7528\u5f00\u53d1\u8005\u4ed4\u7ec6\u5ba1\u89c6\u81ea\u5df1\u7684\u6743\u9650\u4f7f\u7528\u60c5\u51b5，\u786e\u4fdd\u7b26\u5408\u6700\u65b0\u7684\u9690\u79c1\u4fdd\u62a4\u653f\u7b56\u3002 <\/p>\n

    \u5e94\u7528\u5b9a\u4f4d\u6570\u636e\u5904\u7406\u4e0e\u9690\u79c1\u4fdd\u62a4\u63aa\u65bd <\/h4>\n

    \u4e3a\u4e86\u4fdd\u62a4\u7528\u6237\u9690\u79c1，\u5f00\u53d1\u8005\u5fc5\u987b\u5728\u83b7\u53d6\u5b9a\u4f4d\u6570\u636e\u65f6\u8003\u8651\u6700\u5c0f\u6743\u9650\u539f\u5219，\u4ec5\u8bf7\u6c42\u5bf9\u529f\u80fd\u5b9e\u73b0\u786e\u5b9e\u5fc5\u8981\u7684\u6743\u9650\u3002\u6b64\u5916，\u5728\u5b58\u50a8\u5b9a\u4f4d\u6570\u636e\u65f6，\u5e94\u4f7f\u7528\u52a0\u5bc6\u6280\u672f\u4fdd\u62a4\u6570\u636e\u5b89\u5168，\u5e76\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6570\u636e\u3002\u5e94\u7528\u5728\u4f7f\u7528\u5b9a\u4f4d\u6570\u636e\u65f6，\u5e94\u5f53\u8fdb\u884c\u533f\u540d\u5316\u5904\u7406，\u786e\u4fdd\u4e0d\u4f1a\u6cc4\u9732\u7528\u6237\u7684\u4e2a\u4eba\u8eab\u4efd\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5904\u7406\u5b9a\u4f4d\u6570\u636e\u7684\u793a\u4f8b： <\/p>\n

    \/\/ \u4f2a\u4ee3\u7801，\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u5b9a\u4f4d\u6570\u636e
    \n\/\/ \u5047\u8bbe\u6211\u4eec\u5df2\u7ecf\u901a\u8fc7\u5408\u6cd5\u65b9\u5f0f\u83b7\u53d6\u4e86\u7528\u6237\u4f4d\u7f6e\u4fe1\u606f
    \nval userLocation = getUserLocation()<\/p>\n

    \/\/ \u5728\u5c06\u6570\u636e\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e4b\u524d\u8fdb\u884c\u52a0\u5bc6\u5904\u7406
    \nval encryptedLocation = encryptLocation(userLocation)<\/p>\n

    \/\/ \u5b58\u50a8\u52a0\u5bc6\u540e\u7684\u6570\u636e
    \nstoreEncryptedLocation(encryptedLocation)<\/p>\n

    \/\/ \u5f53\u9700\u8981\u4f7f\u7528\u8fd9\u4e9b\u6570\u636e\u65f6，\u4ece\u6570\u636e\u5e93\u68c0\u7d22\u5e76\u89e3\u5bc6
    \nval retrievedLocation = getEncryptedLocationFromDatabase()
    \nval decryptedLocation = decryptLocation(retrievedLocation)<\/p>\n

    \/\/ \u4f7f\u7528\u89e3\u5bc6\u540e\u7684\u6570\u636e，\u4f8b\u5982\u53d1\u9001\u5230\u670d\u52a1\u5668\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406
    \nsendLocationToServer(decryptedLocation)<\/p>\n

    \u5f00\u53d1\u8005\u8fd8\u5e94\u5f53\u786e\u4fdd\u5e94\u7528\u9075\u5b88\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4，\u4f8b\u5982\u6b27\u76df\u7684\u901a\u7528\u6570\u636e\u4fdd\u62a4\u6761\u4f8b（GDPR）\u6216\u4e2d\u56fd\u7684\u4e2a\u4eba\u4fe1\u606f\u4fdd\u62a4\u6cd5（PIPL），\u786e\u4fdd\u5e94\u7528\u5728\u5408\u6cd5\u5408\u89c4\u7684\u524d\u63d0\u4e0b\u5904\u7406\u7528\u6237\u6570\u636e\u3002 <\/p>\n

    \u4ee5\u4e0a\u5373\u4e3a\u672c\u7ae0\u8282\u7684\u8be6\u7ec6\u5185\u5bb9，\u4e0b\u4e00\u7ae0\u5c06\u7ee7\u7eed\u63a2\u8ba8\u670d\u52a1\u5668\u7aef\u6570\u636e\u5904\u7406\u7684\u76f8\u5173\u5185\u5bb9\u3002 <\/p>\n

    6. \u670d\u52a1\u5668\u7aef\u6570\u636e\u5904\u7406 <\/h2>\n

    \u5728\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d，\u670d\u52a1\u5668\u7aef\u6570\u636e\u5904\u7406\u662f\u786e\u4fdd\u5e94\u7528\u7a33\u5b9a\u8fd0\u884c\u548c\u63d0\u4f9b\u7528\u6237\u4ef7\u503c\u670d\u52a1\u7684\u5173\u952e\u90e8\u5206\u3002\u672c\u7ae0\u5c06\u8be6\u7ec6\u63a2\u8ba8\u670d\u52a1\u5668\u7aef\u5982\u4f55\u63a5\u6536\u6570\u636e，\u5b89\u5168\u5b58\u50a8\u5b9a\u4f4d\u4fe1\u606f，\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u6570\u636e\u5206\u6790\u6280\u672f\u6316\u6398\u6570\u636e\u80cc\u540e\u7684\u4ef7\u503c\u3002 <\/p>\n

    6.1 \u670d\u52a1\u5668\u7aef\u6570\u636e\u63a5\u6536\u673a\u5236 <\/h3>\n

    \u670d\u52a1\u5668\u7aef\u6570\u636e\u63a5\u6536\u673a\u5236\u662f\u5e94\u7528\u7a0b\u5e8f\u5904\u7406\u5ba2\u6237\u7aef\u6570\u636e\u7684\u524d\u7aef\u3002\u6709\u6548\u7684\u6570\u636e\u63a5\u6536\u673a\u5236\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u9ad8\u6548\u548c\u51c6\u786e\u3002 <\/p>\n

    6.1.1 \u63a5\u6536HTTP\/HTTPS\u8bf7\u6c42\u7684\u65b9\u6cd5 <\/h4>\n

    \u73b0\u4ee3Web\u5e94\u7528\u5927\u90fd\u901a\u8fc7HTTP\/HTTPS\u534f\u8bae\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002\u8fd9\u4e24\u79cd\u534f\u8bae\u90fd\u5de5\u4f5c\u5728\u5e94\u7528\u5c42，\u4f46\u5728\u4f20\u8f93\u5c42HTTP\u4f7f\u7528\u7684\u662f\u65e0\u8fde\u63a5\u7684TCP\u534f\u8bae，\u800cHTTPS\u5728HTTP\u7684\u57fa\u7840\u4e0a\u7ed3\u5408\u4e86SSL\/TLS\u534f\u8bae\u63d0\u4f9b\u5b89\u5168\u7684\u8fde\u63a5\u3002 <\/p>\n

    \u901a\u5e38，\u63a5\u6536HTTP\u8bf7\u6c42\u53ef\u4ee5\u901a\u8fc7\u5404\u79cdWeb\u670d\u52a1\u5668\u8f6f\u4ef6\u5b9e\u73b0，\u6bd4\u5982Apache\u3001Nginx\u3001IIS\u7b49\u3002\u5bf9\u4e8e\u7f16\u7a0b\u8bed\u8a00\u5c42\u9762，\u8bb8\u591a\u6846\u67b6\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684\u670d\u52a1\u5668\u529f\u80fd，\u5982Node.js\u7684Express\u6846\u67b6\u3001Python\u7684Flask\u6216Django\u3001Java\u7684Spring\u7b49\u3002 <\/p>\n

    \u793a\u4f8b\u4ee3\u7801：\u4f7f\u7528Node.js\u7684Express\u6846\u67b6\u63a5\u6536HTTP\u8bf7\u6c42 <\/p>\n

    const express = require('express');
    \nconst app = express();<\/p>\n

    app.use(express.json()); \/\/ \u7528\u4e8e\u89e3\u6790JSON\u683c\u5f0f\u7684\u8bf7\u6c42\u4f53<\/p>\n

    app.post('\/data', (req, res) => {
    \n \/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6570\u636e
    \n console.log(req.body);
    \n \/\/ \u54cd\u5e94\u5ba2\u6237\u7aef
    \n res.send('Data received');
    \n});<\/p>\n

    const PORT = 3000;
    \napp.listen(PORT, () => {
    \n console.log(`Server running on port ${PORT}`);
    \n});<\/p>\n

    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u6211\u4eec\u9996\u5148\u4f7f\u7528 express() \u521b\u5efa\u4e86\u4e00\u4e2aExpress\u5e94\u7528\u7a0b\u5e8f\u3002\u7136\u540e，\u6211\u4eec\u4f7f\u7528 app.use() \u4e2d\u95f4\u4ef6\u6765\u89e3\u6790JSON\u683c\u5f0f\u7684\u8bf7\u6c42\u4f53\u3002\u4e4b\u540e，\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aPOST\u8def\u7531\u5904\u7406\u5668\u6765\u63a5\u6536\u5ba2\u6237\u7aef\u901a\u8fc7 \/data \u8def\u5f84\u53d1\u6765\u7684\u6570\u636e\u3002\u5f53\u63a5\u6536\u5230\u6570\u636e\u65f6，\u6211\u4eec\u5728\u63a7\u5236\u53f0\u4e2d\u6253\u5370\u51fa\u6765，\u5e76\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u54cd\u5e94\u786e\u8ba4\u6570\u636e\u5df2\u88ab\u63a5\u6536\u3002 <\/p>\n

    6.1.2 \u6570\u636e\u89e3\u6790\u4e0e\u5904\u7406\u6d41\u7a0b <\/h4>\n

    \u63a5\u6536\u5230\u7684\u6570\u636e\u901a\u5e38\u662f\u539f\u59cb\u7684\u3001\u672a\u7ecf\u52a0\u5de5\u7684，\u670d\u52a1\u5668\u9700\u8981\u6309\u7167\u4e1a\u52a1\u903b\u8f91\u5bf9\u6570\u636e\u8fdb\u884c\u89e3\u6790\u548c\u5904\u7406\u3002\u8fd9\u4e00\u6d41\u7a0b\u4e00\u822c\u5305\u62ec\u6570\u636e\u683c\u5f0f\u5316\u3001\u9a8c\u8bc1\u3001\u4e1a\u52a1\u89c4\u5219\u5904\u7406\u4ee5\u53ca\u6301\u4e45\u5316\u5b58\u50a8\u3002 <\/p>\n

  • \u6570\u636e\u683c\u5f0f\u5316 ：\u786e\u4fdd\u63a5\u6536\u5230\u7684\u6570\u636e\u7ed3\u6784\u7b26\u5408\u9884\u671f\u7684\u683c\u5f0f，\u6bd4\u5982JSON\u5bf9\u8c61\u6216XML\u6587\u6863\u3002 <\/li>\n
  • \u6570\u636e\u9a8c\u8bc1 ：\u9a8c\u8bc1\u6570\u636e\u7684\u6709\u6548\u6027，\u5982\u6570\u636e\u5b8c\u6574\u6027\u3001\u7c7b\u578b\u68c0\u67e5\u548c\u8303\u56f4\u9650\u5236\u3002 <\/li>\n
  • \u4e1a\u52a1\u89c4\u5219\u5904\u7406 ：\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406，\u5982\u6570\u636e\u52a0\u5bc6\u3001\u8f6c\u6362\u548c\u6574\u5408\u3002 <\/li>\n
  • \u6301\u4e45\u5316\u5b58\u50a8 ：\u5c06\u5904\u7406\u540e\u7684\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u6216\u6587\u4ef6\u7cfb\u7edf\u4e2d\u3002 <\/li>\n

    \u4f2a\u4ee3\u7801\u6d41\u7a0b： <\/p>\n

    \u5b9a\u4e49\u6570\u636e\u63a5\u6536\u63a5\u53e3<\/p>\n

    \u5f53\u63a5\u6536\u5230\u8bf7\u6c42\u65f6：
    \n \u89e3\u6790\u8bf7\u6c42\u5185\u5bb9\u4e3a\u6570\u636e\u7ed3\u6784
    \n \u8fdb\u884c\u6570\u636e\u683c\u5f0f\u5316\u548c\u9a8c\u8bc1
    \n \u5982\u679c\u6570\u636e\u9a8c\u8bc1\u5931\u8d25：
    \n \u8fd4\u56de\u9519\u8bef\u4fe1\u606f\u7ed9\u5ba2\u6237\u7aef
    \n \u5426\u5219：
    \n \u6267\u884c\u4e1a\u52a1\u89c4\u5219\u5904\u7406
    \n \u5c06\u6570\u636e\u6301\u4e45\u5316\u5b58\u50a8
    \n \u8fd4\u56de\u6210\u529f\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef<\/p>\n

    6.2 \u5b9a\u4f4d\u4fe1\u606f\u7684\u5b89\u5168\u5b58\u50a8 <\/h3>\n

    \u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u52a0，\u5bf9\u5b9a\u4f4d\u4fe1\u606f\u7684\u5b89\u5168\u5b58\u50a8\u548c\u9ad8\u6548\u7ba1\u7406\u63d0\u51fa\u4e86\u66f4\u9ad8\u8981\u6c42\u3002 <\/p>\n

    6.2.1 \u6570\u636e\u5e93\u9009\u62e9\u4e0e\u52a0\u5bc6\u6280\u672f <\/h4>\n

    \u5b58\u50a8\u5b9a\u4f4d\u6570\u636e\u65f6，\u9700\u8981\u8003\u8651\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u548c\u52a0\u5bc6\u6280\u672f\u3002\u901a\u5e38，\u5bf9\u4e8e\u7ed3\u6784\u5316\u6570\u636e\u53ef\u4ee5\u9009\u62e9\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5982MySQL\u6216PostgreSQL，\u800c\u5bf9\u4e8e\u975e\u7ed3\u6784\u5316\u6570\u636e，\u5219\u53ef\u4ee5\u8003\u8651NoSQL\u6570\u636e\u5e93\u5982MongoDB\u6216Cassandra\u3002 <\/p>\n

    \u5728\u9009\u62e9\u6570\u636e\u5e93\u65f6，\u9700\u8981\u8003\u8651\u5176\u6269\u5c55\u6027\u3001\u6027\u80fd\u3001\u4e00\u81f4\u6027\u6a21\u578b\u548c\u5b89\u5168\u7279\u6027\u3002\u7279\u522b\u662f\u5b89\u5168\u6027，\u5bf9\u4e8e\u5b58\u50a8\u7528\u6237\u9690\u79c1\u4fe1\u606f\u7684\u6570\u636e\u5e93\u6765\u8bf4\u5c24\u4e3a\u91cd\u8981\u3002\u52a0\u5bc6\u6280\u672f\u5982AES\u3001RSA\u548cSSL\/TLS\u90fd\u53ef\u4ee5\u7528\u6765\u4fdd\u62a4\u6570\u636e\u5b89\u5168，\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u3002 <\/p>\n

    6.2.2 \u5b9a\u4f4d\u6570\u636e\u7684\u5b58\u53d6\u6548\u7387\u4f18\u5316 <\/h4>\n

    \u4f18\u5316\u5b9a\u4f4d\u6570\u636e\u7684\u5b58\u53d6\u6548\u7387\u53ef\u4ee5\u4ece\u591a\u4e2a\u89d2\u5ea6\u5165\u624b： <\/p>\n

  • \u7d22\u5f15\u4f18\u5316 ：\u4e3a\u6570\u636e\u5e93\u8868\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15，\u5c24\u5176\u662f\u9488\u5bf9\u67e5\u8be2\u64cd\u4f5c\u9891\u7e41\u7684\u5b57\u6bb5，\u5982\u65f6\u95f4\u6233\u3001\u7528\u6237ID\u7b49\u3002 <\/li>\n
  • \u6570\u636e\u5206\u533a ：\u6839\u636e\u65f6\u95f4\u3001\u533a\u57df\u6216\u5176\u4ed6\u76f8\u5173\u7279\u5f81\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u533a，\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002 <\/li>\n
  • \u7f13\u5b58\u673a\u5236 ：\u5f15\u5165\u7f13\u5b58\u673a\u5236，\u5982Redis，\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8bfb\u5199\u6b21\u6570，\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3002 <\/li>\n
  • \u8bfb\u5199\u5206\u79bb ：\u5c06\u6570\u636e\u7684\u8bfb\u548c\u5199\u64cd\u4f5c\u5206\u53d1\u5230\u4e0d\u540c\u7684\u670d\u52a1\u5668\u6216\u6570\u636e\u5e93\u5b9e\u4f8b，\u53ef\u4ee5\u63d0\u5347\u6027\u80fd\u3002 <\/li>\n

    6.3 \u6570\u636e\u7684\u5206\u6790\u4e0e\u5e94\u7528 <\/h3>\n

    \u6570\u636e\u5206\u6790\u662f\u5c06\u539f\u59cb\u6570\u636e\u8f6c\u5316\u4e3a\u6709\u4ef7\u503c\u4fe1\u606f\u7684\u8fc7\u7a0b，\u5b83\u662f\u5546\u4e1a\u51b3\u7b56\u548c\u5e94\u7528\u4f18\u5316\u7684\u57fa\u7840\u3002 <\/p>\n

    6.3.1 \u5927\u6570\u636e\u5206\u6790\u4e0e\u5904\u7406\u6846\u67b6 <\/h4>\n

    \u5927\u6570\u636e\u5206\u6790\u901a\u5e38\u5904\u7406\u7684\u6570\u636e\u91cf\u5de8\u5927，\u9700\u8981\u7279\u6b8a\u7684\u5904\u7406\u6846\u67b6\u548c\u7b97\u6cd5\u3002Hadoop\u548cSpark\u662f\u76ee\u524d\u4e3b\u6d41\u7684\u5927\u6570\u636e\u5904\u7406\u6846\u67b6\u3002\u5b83\u4eec\u63d0\u4f9b\u4e86\u6570\u636e\u5b58\u50a8\u3001\u5904\u7406\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u7684\u4e00\u6574\u5957\u89e3\u51b3\u65b9\u6848\u3002 <\/p>\n

  • Hadoop ：\u57fa\u4e8eHDFS（Hadoop Distributed File System）\u8fdb\u884c\u6570\u636e\u5b58\u50a8，\u4f7f\u7528MapReduce\u8fdb\u884c\u6570\u636e\u5904\u7406\u3002Hadoop\u9002\u5408\u6279\u91cf\u5904\u7406\u548c\u79bb\u7ebf\u5206\u6790\u3002 <\/li>\n
  • Spark ：\u63d0\u4f9b\u4e86\u57fa\u4e8e\u5185\u5b58\u8ba1\u7b97\u7684\u5feb\u901f\u8fed\u4ee3\u5904\u7406\u80fd\u529b，\u7279\u522b\u9002\u5408\u5b9e\u65f6\u6570\u636e\u5904\u7406\u548c\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u3002 <\/li>\n

    6.3.2 \u5b9a\u4f4d\u6570\u636e\u7684\u4ef7\u503c\u6316\u6398\u4e0e\u5546\u4e1a\u5e94\u7528 <\/h4>\n

    \u5b9a\u4f4d\u6570\u636e，\u5373\u7528\u6237\u7684\u4f4d\u7f6e\u4fe1\u606f，\u5305\u542b\u4e86\u5927\u91cf\u6709\u4ef7\u503c\u7684\u5546\u4e1a\u4fe1\u606f\u3002\u5206\u6790\u8fd9\u4e9b\u6570\u636e\u53ef\u4ee5\u5e94\u7528\u4e8e： <\/p>\n

  • \u7528\u6237\u884c\u4e3a\u5206\u6790 ：\u4e86\u89e3\u7528\u6237\u51fa\u884c\u6a21\u5f0f\u3001\u8d2d\u7269\u4e60\u60ef\u7b49，\u4e3a\u4ea7\u54c1\u4f18\u5316\u63d0\u4f9b\u4f9d\u636e\u3002 <\/li>\n
  • \u63a8\u8350\u7cfb\u7edf ：\u6839\u636e\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u63d0\u4f9b\u4e2a\u6027\u5316\u7684\u5546\u54c1\u6216\u670d\u52a1\u63a8\u8350\u3002 <\/li>\n
  • \u5e02\u573a\u5206\u6790 ：\u5206\u6790\u67d0\u4e00\u533a\u57df\u7684\u7528\u6237\u5206\u5e03，\u4e3a\u5e02\u573a\u62d3\u5c55\u6216\u5e7f\u544a\u6295\u653e\u63d0\u4f9b\u51b3\u7b56\u652f\u6301\u3002 <\/li>\n
  • \u98ce\u9669\u63a7\u5236 ：\u5b9e\u65f6\u76d1\u63a7\u5f02\u5e38\u4f4d\u7f6e\u53d8\u52a8，\u53ca\u65f6\u53d1\u73b0\u548c\u5904\u7406\u98ce\u9669\u60c5\u51b5\u3002 <\/li>\n

    \u793a\u4f8b：\u4f7f\u7528Spark\u8fdb\u884c\u5b9a\u4f4d\u6570\u636e\u7684\u7528\u6237\u884c\u4e3a\u5206\u6790 <\/p>\n

    from pyspark.sql import SparkSession
    \nfrom pyspark.sql.functions import avg<\/p>\n

    spark = SparkSession.builder.appName("Location Data Analysis").getOrCreate()<\/p>\n

    # \u52a0\u8f7d\u5b9a\u4f4d\u6570\u636e\u96c6
    \ndf = spark.read.json("location_data.json")<\/p>\n

    # \u5206\u6790\u5e73\u5747\u505c\u7559\u65f6\u95f4
    \naverage_time_spent = df.groupBy("user_id") \\\\
    \n .agg(avg("time_spent_at_location"))<\/p>\n

    average_time_spent.show()<\/p>\n

    \u5728\u8fd9\u4e2aPython\u4ee3\u7801\u793a\u4f8b\u4e2d，\u6211\u4eec\u4f7f\u7528\u4e86Spark\u7684DataFrame API\u6765\u52a0\u8f7d\u5b9a\u4f4d\u6570\u636e\u96c6，\u5e76\u5bf9\u6bcf\u4e2a\u7528\u6237\u7684\u5e73\u5747\u505c\u7559\u65f6\u95f4\u8fdb\u884c\u4e86\u5206\u7ec4\u805a\u5408\u8ba1\u7b97\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f，\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u7528\u6237\u5728\u7279\u5b9a\u4f4d\u7f6e\u7684\u5e73\u5747\u505c\u7559\u65f6\u95f4，\u8fdb\u800c\u5206\u6790\u7528\u6237\u7684\u51fa\u884c\u6a21\u5f0f\u548c\u884c\u4e3a\u4e60\u60ef\u3002 <\/p>\n

    \u672c\u7ae0\u5185\u5bb9\u6db5\u76d6\u4e86\u670d\u52a1\u5668\u7aef\u6570\u636e\u63a5\u6536\u3001\u5b58\u50a8\u548c\u5206\u6790\u7684\u5b8c\u6574\u6d41\u7a0b\u3002\u901a\u8fc7\u672c\u7ae0\u7684\u5b66\u4e60，\u5f00\u53d1\u8005\u5e94\u8be5\u80fd\u591f\u638c\u63e1\u5982\u4f55\u5efa\u7acb\u9ad8\u6548\u3001\u5b89\u5168\u7684\u670d\u52a1\u5668\u7aef\u6570\u636e\u5904\u7406\u673a\u5236，\u5e76\u80fd\u591f\u5229\u7528\u6570\u636e\u5206\u6790\u6280\u672f\u6316\u6398\u5b9a\u4f4d\u6570\u636e\u7684\u5546\u4e1a\u4ef7\u503c\u3002 <\/p>\n

    7. \u5b8c\u6574\u6848\u4f8b\u5206\u6790\u4e0e\u4f18\u5316 <\/h2>\n

    \u5728\u8fd9\u4e00\u7ae0\u4e2d，\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u4e00\u4e2a\u771f\u5b9e\u7684\u6848\u4f8b，\u5206\u6790\u5176\u5f00\u53d1\u6d41\u7a0b\u3001\u6280\u672f\u96be\u70b9\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u4ee3\u7801\u5b9e\u8df5\u6765\u4f18\u5316\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n

    7.1 \u7efc\u5408\u6848\u4f8b\u5f00\u53d1\u6d41\u7a0b <\/h3>\n

    7.1.1 \u9700\u6c42\u5206\u6790\u4e0e\u529f\u80fd\u89c4\u5212 <\/h4>\n

    \u6848\u4f8b\u542f\u52a8\u4e4b\u524d，\u9700\u6c42\u5206\u6790\u662f\u81f3\u5173\u91cd\u8981\u7684\u4e00\u6b65\u3002\u5b83\u5305\u62ec\u7406\u89e3\u7528\u6237\u76ee\u6807\u3001\u5e02\u573a\u9700\u6c42\u4ee5\u53ca\u6280\u672f\u53ef\u884c\u6027\u3002\u4ee5\u4e00\u4e2a\u4f4d\u7f6e\u8ddf\u8e2a\u5e94\u7528\u4e3a\u4f8b，\u76ee\u6807\u662f\u63d0\u4f9b\u5b9e\u65f6\u5b9a\u4f4d\u670d\u52a1\u5e76\u5177\u5907\u5386\u53f2\u8f68\u8ff9\u56de\u653e\u529f\u80fd\u3002\u6838\u5fc3\u529f\u80fd\u89c4\u5212\u5982\u4e0b： <\/p>\n

  • \u5b9e\u65f6\u5b9a\u4f4d\u529f\u80fd，\u5141\u8bb8\u7528\u6237\u67e5\u770b\u5f53\u524d\u8bbe\u5907\u6240\u5728\u4f4d\u7f6e\u3002 <\/li>\n
  • \u8f68\u8ff9\u8bb0\u5f55\u529f\u80fd，\u8bb0\u5f55\u7528\u6237\u7684\u79fb\u52a8\u8def\u5f84，\u5e76\u4fdd\u5b58\u5386\u53f2\u6570\u636e\u3002 <\/li>\n
  • \u8f68\u8ff9\u56de\u653e\u529f\u80fd，\u53ef\u4ee5\u5728\u5730\u56fe\u4e0a\u91cd\u73b0\u7528\u6237\u7684\u79fb\u52a8\u8f68\u8ff9\u3002 <\/li>\n
  • \u5b9a\u4f4d\u7cbe\u5ea6\u4f18\u5316\u529f\u80fd，\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5b9a\u4f4d\u9700\u6c42\u548c\u73af\u5883\u6761\u4ef6\u3002 <\/li>\n

    7.1.2 \u67b6\u6784\u8bbe\u8ba1\u4e0e\u6a21\u5757\u5212\u5206 <\/h4>\n

    \u63a5\u4e0b\u6765，\u6211\u4eec\u5c06\u57fa\u4e8e\u9700\u6c42\u8fdb\u884c\u67b6\u6784\u8bbe\u8ba1\u548c\u6a21\u5757\u5212\u5206\u3002\u4e00\u4e2a\u5408\u7406\u7684\u67b6\u6784\u5e94\u8be5\u80fd\u591f\u652f\u6301\u5e94\u7528\u7684\u6269\u5c55\u6027\u548c\u7ef4\u62a4\u6027，\u540c\u65f6\u63d0\u4f9b\u9ad8\u6548\u7387\u7684\u6570\u636e\u5904\u7406\u3002\u6a21\u5757\u5316\u8bbe\u8ba1\u5305\u62ec： <\/p>\n

  • \u5b9a\u4f4d\u6a21\u5757 ：\u8d1f\u8d23\u6536\u96c6\u548c\u5904\u7406\u8bbe\u5907\u7684\u4f4d\u7f6e\u6570\u636e\u3002 <\/li>\n
  • \u6570\u636e\u5b58\u50a8\u6a21\u5757 ：\u8d1f\u8d23\u5b58\u50a8\u5b9a\u4f4d\u6570\u636e\u548c\u5386\u53f2\u8f68\u8ff9\u3002 <\/li>\n
  • \u670d\u52a1\u7aef\u6a21\u5757 ：\u8d1f\u8d23\u5904\u7406\u8bf7\u6c42\u3001\u6570\u636e\u5904\u7406\u548c\u5b58\u50a8\u3002 <\/li>\n
  • \u5ba2\u6237\u7aef\u6a21\u5757 ：\u63d0\u4f9b\u7528\u6237\u754c\u9762\u548c\u524d\u7aef\u903b\u8f91\u5904\u7406\u3002 <\/li>\n

    7.2 \u5173\u952e\u6280\u672f\u96be\u70b9\u7a81\u7834 <\/h3>\n

    7.2.1 \u5b9a\u4f4d\u7cbe\u5ea6\u4e0e\u4fe1\u53f7\u5904\u7406 <\/h4>\n

    \u5728\u79fb\u52a8\u8bbe\u5907\u4e0a，\u5b9a\u4f4d\u7cbe\u5ea6\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd，\u5982\u4fe1\u53f7\u5f3a\u5ea6\u3001\u73af\u5883\u906e\u6321\u3001\u4ee5\u53ca\u8bbe\u5907\u81ea\u8eab\u7684GPS\u786c\u4ef6\u3002\u4e3a\u4e86\u63d0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6，\u6211\u4eec\u91c7\u53d6\u4e86\u5982\u4e0b\u63aa\u65bd： <\/p>\n

      \n
    • \u9009\u62e9\u5408\u9002\u7684\u5b9a\u4f4dAPI ：\u6839\u636e\u5e94\u7528\u9700\u6c42\u548c\u8bbe\u5907\u80fd\u529b\u9009\u62e9\u5408\u9002\u7684\u5b9a\u4f4dAPI，\u5982Google\u7684Fused Location Provider API\u3002 <\/li>\n
    • \u73af\u5883\u81ea\u9002\u5e94\u7b97\u6cd5 ：\u901a\u8fc7\u7b97\u6cd5\u6765\u5904\u7406GPS\u4fe1\u53f7\u5f31\u65f6，\u81ea\u52a8\u5207\u6362\u5230\u7f51\u7edc\u5b9a\u4f4d\u3002 <\/li>\n
    • \u4fe1\u53f7\u589e\u5f3a\u6280\u672f ：\u4f7f\u7528\u8f85\u52a9\u536b\u661f\u7cfb\u7edf（\u5982GLONASS\u6216Galileo）\u6765\u589e\u5f3a\u5b9a\u4f4d\u4fe1\u53f7\u3002 <\/li>\n<\/ul>\n

      7.2.2 \u670d\u52a1\u5668\u7aef\u6027\u80fd\u4f18\u5316\u4e0e\u6269\u5c55\u6027\u8003\u8651 <\/h4>\n

      \u670d\u52a1\u5668\u7aef\u7684\u6027\u80fd\u4f18\u5316\u662f\u4fdd\u969c\u670d\u52a1\u8d28\u91cf\u548c\u7528\u6237\u4f53\u9a8c\u7684\u5173\u952e\u3002\u8003\u8651\u5230\u9ad8\u5e76\u53d1\u548c\u5927\u6570\u636e\u91cf\u7684\u573a\u666f，\u6211\u4eec\u91c7\u7528\u4ee5\u4e0b\u7b56\u7565： <\/p>\n

        \n
      • \u8d1f\u8f7d\u5747\u8861 ：\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u5206\u6563\u8bf7\u6c42，\u907f\u514d\u5355\u70b9\u8fc7\u8f7d\u3002 <\/li>\n
      • \u6570\u636e\u5e93\u4f18\u5316 ：\u4f7f\u7528\u7d22\u5f15\u3001\u67e5\u8be2\u4f18\u5316\u548c\u7f13\u5b58\u673a\u5236\u6765\u63d0\u9ad8\u6570\u636e\u68c0\u7d22\u6548\u7387\u3002 <\/li>\n
      • \u5fae\u670d\u52a1\u67b6\u6784 ：\u91c7\u7528\u5fae\u670d\u52a1\u67b6\u6784\u6765\u652f\u6301\u6c34\u5e73\u6269\u5c55，\u5e94\u5bf9\u4e0d\u540c\u65f6\u95f4\u6bb5\u7684\u6d41\u91cf\u53d8\u5316\u3002 <\/li>\n<\/ul>\n

        7.3 \u4ee3\u7801\u5b9e\u8df5\u4e0e\u6548\u679c\u5c55\u793a <\/h3>\n

        7.3.1 \u6838\u5fc3\u4ee3\u7801\u5c55\u793a\u4e0e\u5206\u6790 <\/h4>\n

        \u5bf9\u4e8e\u5ba2\u6237\u7aef\u5b9e\u65f6\u5b9a\u4f4d\u529f\u80fd\u7684\u6838\u5fc3\u4ee3\u7801，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Kotlin\u8bed\u8a00\u7ed3\u5408Android SDK\u5b9e\u73b0\u5982\u4e0b： <\/p>\n

        fun startLocationUpdates() {
        \n if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
        \n fusedLocationClient.requestLocationUpdates(locationRequest, locationCallback, Looper.myLooper())
        \n }
        \n}<\/p>\n

        val locationCallback = object : LocationCallback() {
        \n override fun onLocationResult(locationResult: LocationResult?) {
        \n locationResult ?: return
        \n for (location in locationResult.locations) {
        \n \/\/ \u66f4\u65b0UI\u6216\u5904\u7406\u4f4d\u7f6e\u4fe1\u606f
        \n updateUI(location)
        \n }
        \n }
        \n}<\/p>\n

        \u4ee5\u4e0a\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u8bf7\u6c42\u4f4d\u7f6e\u66f4\u65b0\u5e76\u5904\u7406\u56de\u8c03\u7ed3\u679c\u3002 updateUI \u65b9\u6cd5\u5c06\u6839\u636e\u4f4d\u7f6e\u4fe1\u606f\u66f4\u65b0UI\u7ec4\u4ef6\u3002 <\/p>\n

        7.3.2 \u5e94\u7528\u90e8\u7f72\u4e0e\u7528\u6237\u4f53\u9a8c\u53cd\u9988 <\/h4>\n

        \u90e8\u7f72\u5e94\u7528\u540e，\u9700\u8981\u6536\u96c6\u7528\u6237\u53cd\u9988\u4ee5\u8fdb\u4e00\u6b65\u4f18\u5316\u5e94\u7528\u6027\u80fd\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u83b7\u53d6\u53cd\u9988： <\/p>\n

          \n
        • \u7528\u6237\u8c03\u67e5 ：\u901a\u8fc7\u5728\u7ebf\u95ee\u5377\u6536\u96c6\u7528\u6237\u7684\u610f\u89c1\u548c\u5efa\u8bae\u3002 <\/li>\n
        • \u6570\u636e\u5206\u6790 ：\u5206\u6790\u5e94\u7528\u65e5\u5fd7\u548c\u4f7f\u7528\u6570\u636e，\u627e\u51fa\u6f5c\u5728\u95ee\u9898\u3002 <\/li>\n
        • \u7528\u6237\u652f\u6301 ：\u5efa\u7acb\u6709\u6548\u7684\u7528\u6237\u652f\u6301\u6e20\u9053，\u4ee5\u4e86\u89e3\u7528\u6237\u7684\u5177\u4f53\u95ee\u9898\u3002 <\/li>\n<\/ul>\n

          \u5e94\u7528\u7ecf\u8fc7\u591a\u8f6e\u8fed\u4ee3\u548c\u4f18\u5316\u540e，\u7528\u6237\u6ee1\u610f\u5ea6\u5f97\u5230\u663e\u8457\u63d0\u5347，\u5b9a\u4f4d\u529f\u80fd\u66f4\u52a0\u7a33\u5b9a，\u7528\u6237\u754c\u9762\u54cd\u5e94\u66f4\u5feb，\u4ece\u800c\u5728\u5e02\u573a\u4e0a\u83b7\u5f97\u4e86\u7ade\u4e89\u529b\u3002 <\/p>\n

          \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 \"menu-r.4af5f7ec.gif\" <\/p>\n

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