{"id":74928,"date":"2026-02-11T00:05:25","date_gmt":"2026-02-10T16:05:25","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/74928.html"},"modified":"2026-02-11T00:05:25","modified_gmt":"2026-02-10T16:05:25","slug":"flutter-for-openharmony-%e5%ae%9e%e6%88%98%ef%bc%9alocation-%e6%8f%92%e4%bb%b6%e5%ae%9e%e7%8e%b0%e9%b8%bf%e8%92%99%e7%b2%be%e7%a1%ae%e5%ae%9a%e4%bd%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/74928.html","title":{"rendered":"Flutter for OpenHarmony \u5b9e\u6218\uff1alocation \u63d2\u4ef6\u5b9e\u73b0\u9e3f\u8499\u7cbe\u786e\u5b9a\u4f4d"},"content":{"rendered":"

Flutter for OpenHarmony \u5b9e\u6218：location \u63d2\u4ef6\u5b9e\u73b0\u9e3f\u8499\u7cbe\u786e\u5b9a\u4f4d<\/h2>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u524d\u8a00<\/h3>\n

\u65e0\u8bba\u662f\u5916\u5356\u914d\u9001\u3001\u6253\u8f66\u8f6f\u4ef6，\u8fd8\u662f\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u793e\u4ea4\u53d1\u73b0，\u4f4d\u7f6e\u670d\u52a1（LBS） \u90fd\u662f\u73b0\u4ee3 App \u7684\u57fa\u77f3\u3002\u5728 HarmonyOS NEXT \u7cfb\u7edf\u4e2d，\u7531\u4e8e\u9690\u79c1\u673a\u5236\u7684\u5168\u9762\u5347\u7ea7，\u5982\u4f55\u5408\u89c4\u3001\u9ad8\u6548\u3001\u7cbe\u51c6\u5730\u83b7\u53d6\u7ecf\u7eac\u5ea6\u4fe1\u606f，\u662f\u6bcf\u4e2a\u9e3f\u8499\u5f00\u53d1\u8005\u5fc5\u987b\u638c\u63e1\u7684\u786c\u6838\u6280\u80fd\u3002<\/p>\n

location \u63d2\u4ef6\u4e3a Flutter \u63d0\u4f9b\u4e86\u5de5\u4e1a\u7ea7\u7684\u5b9a\u4f4d\u80fd\u529b\u5c01\u88c5，\u5b83\u4e0d\u4ec5\u80fd\u83b7\u53d6\u5355\u6b21\u4f4d\u7f6e，\u66f4\u652f\u6301\u5b9e\u65f6\u8f68\u8ff9\u6d41（Stream）\u548c\u7cbe\u7ec6\u5316\u7684\u6743\u9650\u5f15\u5bfc\u3002<\/p>\n

\n

\u4e00\u3001 Location \u63d2\u4ef6\u5728\u9e3f\u8499\u7aef\u7684\u786c\u6838\u7279\u6027<\/h3>\n

1.1 Fused Location（\u878d\u5408\u5b9a\u4f4d）\u673a\u5236<\/h4>\n

\u63d2\u4ef6\u5e95\u5c42\u8c03\u5ea6\u4e86\u9e3f\u8499\u7cfb\u7edf\u7684\u201c\u878d\u5408\u5b9a\u4f4d\u201d\u5f15\u64ce\u3002\u5b83\u80fd\u7efc\u5408\u4f20\u611f\u5668\u3001Wi-Fi \u626b\u63cf\u548c\u57fa\u7ad9\u4fe1\u53f7，\u5728\u8fdb\u5165\u5ba4\u5185\u6216\u96a7\u9053\u7b49 GPS \u76f2\u70b9\u65f6\u8fdb\u884c\u5e73\u6ed1\u8865\u507f，\u786e\u4fdd\u5750\u6807\u4e0d\u53d1\u751f\u65ad\u5d16\u5f0f\u8df3\u53d8\u3002<\/p>\n

1.2 \u9ad8\u6027\u80fd\u7684 Stream \u6d41\u5f0f\u8ffd\u8e2a<\/h4>\n

\u5bf9\u4e8e\u5b9e\u65f6\u5bfc\u822a\u7c7b\u5e94\u7528，location \u63d0\u4f9b\u4e86\u6beb\u79d2\u7ea7\u7684 onLocationChanged \u6570\u636e\u6d41\u3002\u5728 HarmonyOS NEXT \u7684 120Hz \u9ad8\u5237 UI \u4e0a\u53ef\u4ee5\u5b9e\u73b0\u6781\u5176\u4e1d\u6ed1\u7684\u5730\u56fe\u6307\u9488\u52a8\u6001\u79fb\u52a8\u6548\u679c\u3002<\/p>\n

\n

\u4e8c\u3001 \u6280\u672f\u5185\u5e55：\u62c6\u89e3\u9e3f\u8499\u5b9a\u4f4d\u6743\u9650\u7684\u9690\u5f62\u95e8\u69db<\/h3>\n

2.1 \u6a21\u7cca\u5b9a\u4f4d\u4e0e\u7cbe\u786e\u5b9a\u4f4d\u7684\u5171\u751f<\/h4>\n

\u5728\u9e3f\u8499\u7aef，\u5f15\u5165\u4e86 ohos.permission.APPROXIMATELY_LOCATION\u3002\u5982\u679c\u5e94\u7528\u4ec5\u9700\u8981\u77e5\u9053\u7528\u6237\u5927\u81f4\u4f4d\u7f6e，\u4f7f\u7528\u6a21\u7cca\u5b9a\u4f4d\u5373\u53ef\u3002\u5982\u679c\u9700\u8981\u7cbe\u51c6\u5750\u6807，\u5fc5\u987b\u540c\u65f6\u7533\u8bf7\u5e76\u83b7\u5f97\u7528\u6237\u7684\u7cbe\u786e\u6388\u6743\u3002<\/p>\n

2.2 \u5b9a\u4f4d\u670d\u52a1\u7684\u201c\u524d\u53f0\u53ef\u89c1\u6027\u201d\u8981\u6c42<\/h4>\n

\u5f53\u5e94\u7528\u5207\u6362\u81f3\u540e\u53f0\u65f6，\u5982\u679c\u4ecd\u5728\u6301\u7eed\u83b7\u53d6\u4f4d\u7f6e，\u7cfb\u7edf\u4f1a\u5f39\u51fa\u901a\u77e5\u63d0\u9192\u7528\u6237\u3002\u5f00\u53d1\u8005\u5e94\u5408\u7406\u5229\u7528 location \u7684 enableBackgroundMode \u63a5\u53e3，\u5e76\u914d\u5408\u9e3f\u8499\u7684\u957f\u65f6\u4efb\u52a1\u6258\u7ba1\u3002<\/p>\n

\n

\u4e09\u3001 \u96c6\u6210\u6307\u5357（AtomGit SIG \u4ed3\u7248）<\/h3>\n

\u76ee\u524d\u9e3f\u8499\u7aef\u7684 location \u63d2\u4ef6\u7531 OpenHarmony SIG \u5b98\u65b9\u7ef4\u62a4，\u63a8\u8350\u76f4\u63a5\u4f7f\u7528 AtomGit \u4ed3\u5e93\u4f9d\u8d56\u4ee5\u83b7\u5f97\u6700\u4f73\u9002\u914d：<\/p>\n

dependencies<\/span>:<\/span>
\n location<\/span>:<\/span>
\n git<\/span>:<\/span>
\n url<\/span>:<\/span> "https:\/\/atomgit.com\/openharmony-sig\/flutter_location.git"<\/span>
\n path<\/span>:<\/span> ".\/packages\/location"<\/span><\/p>\n

\n

\u56db\u3001 \u9e3f\u8499\u5e73\u53f0\u7684\u9002\u914d\u8981\u70b9<\/h3>\n

4.1 module.json5 \u6743\u9650\u58f0\u660e（HarmonyOS NEXT \u5f3a\u5236\u8981\u6c42）<\/h4>\n

\u5728\u9e3f\u8499\u7aef，\u5b9a\u4f4d\u6743\u9650\u5c5e\u4e8e\u7528\u6237\u6388\u6743（user_grant）\u7ea7\u522b\u3002\u5728 module.json5 \u4e2d\u4e0d\u4ec5\u8981\u58f0\u660e\u6743\u9650\u540d，\u8fd8\u5fc5\u987b\u63d0\u4f9b\u7533\u8bf7\u7406\u7531（reason）\u548c\u4f7f\u7528\u573a\u666f（usedScene）\u3002<\/p>\n

1. \u5b9a\u4e49\u6743\u9650\u7406\u7531 (resources\/base\/element\/string.json)<\/p>\n

{<\/span>
\n "string"<\/span>:<\/span> [<\/span>
\n {<\/span>
\n "name"<\/span>:<\/span> "location_reason"<\/span>,<\/span>
\n "value"<\/span>:<\/span> "\u6211\u4eec\u8981\u5c55\u793a\u60a8\u7684\u7cbe\u51c6\u5730\u7406\u5750\u6807，\u7528\u4e8e LBS \u5b9e\u9a8c\u5ba4\u7684\u529f\u80fd\u6f14\u793a\u3002"<\/span>
\n }<\/span>
\n ]<\/span>
\n}<\/span><\/p>\n

2. \u914d\u7f6e\u6743\u9650\u5217\u8868 (ohos\/entry\/src\/main\/module.json5)<\/p>\n

"requestPermissions"<\/span>:<\/span> [<\/span>
\n {<\/span>
\n "name"<\/span>:<\/span> "ohos.permission.LOCATION"<\/span>,<\/span>
\n "reason"<\/span>:<\/span> "$string:location_reason"<\/span>,<\/span>
\n "usedScene"<\/span>:<\/span> {<\/span>
\n "abilities"<\/span>:<\/span> [<\/span>"EntryAbility"<\/span>]<\/span>,<\/span>
\n "when"<\/span>:<\/span> "inuse"<\/span>
\n }<\/span>
\n }<\/span>,<\/span>
\n {<\/span>
\n "name"<\/span>:<\/span> "ohos.permission.APPROXIMATELY_LOCATION"<\/span>,<\/span>
\n "reason"<\/span>:<\/span> "$string:location_reason"<\/span>,<\/span>
\n "usedScene"<\/span>:<\/span> {<\/span>
\n "abilities"<\/span>:<\/span> [<\/span>"EntryAbility"<\/span>]<\/span>,<\/span>
\n "when"<\/span>:<\/span> "inuse"<\/span>
\n }<\/span>
\n }<\/span>
\n]<\/span><\/p>\n

4.2 \u7f16\u8bd1\u914d\u7f6e (build-profile.json5)<\/h4>\n

\u786e\u4fdd targetSdkVersion \u660e\u786e\u8bbe\u7f6e\u4e3a 12 (API 12)，\u5426\u5219 hvigor \u53ef\u80fd\u4f1a\u5728\u5904\u7406\u67d0\u4e9b\u539f\u751f\u5730\u7406\u4f4d\u7f6e API \u8c03\u7528\u65f6\u629b\u51fa\u7248\u672c\u8b66\u544a\u6216\u9519\u8bef\u3002<\/p>\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

4.3 \u907f\u5751\u6307\u5357：\u7c7b\u578b\u51b2\u7a81\u4e0e\u539f\u751f\u901a\u9053 Missing \u5f02\u5e38<\/h3>\n

\u5728 HarmonyOS NEXT \u5b9e\u6218\u4e2d，\u4f7f\u7528 openharmony-sig \u7248\u672c\u7684\u63d2\u4ef6\u53ef\u80fd\u4f1a\u9047\u5230\u4e24\u5927\u9690\u60a3：<\/p>\n

  • \u7c7b\u578b\u8f6c\u6362 Bug：\u539f\u751f\u7aef\u8fd4\u56de int，\u63d2\u4ef6\u5e95\u5c42\u5f3a\u8f6c double \u5931\u8d25\u3002<\/li>\n
  • \u901a\u9053\u4e22\u5931 (MissingPluginException)：\u539f\u751f\u7aef EventChannel \u6807\u8bc6\u7b26\u4e0d\u5339\u914d\u5bfc\u81f4\u6d41\u8ffd\u8e2a\u65e0\u6cd5\u542f\u52a8\u3002<\/li>\n

    💡 \u4e13\u5bb6\u7ea7\u89e3\u51b3\u65b9\u6848：\u9ad8\u9891\u8f6e\u8be2\u81ea\u6108\u65b9\u6848<\/p>\n

    \u5f53\u4e0d\u53ef\u9760\u7684\u6d41\u76d1\u542c（Stream）\u5931\u6548\u65f6，\u6539\u7528 Dart \u5c42\u7684 Timer \u9a71\u52a8 MethodChannel \u539f\u59cb\u6293\u53d6：<\/p>\n

    \/\/ 1. \u5b9a\u4e49\u5b89\u5168\u7c7b\u578b\u8f6c\u6362\u5668<\/span>
    \ndouble?<\/span> _safeDouble<\/span>(<\/span>dynamic<\/span> value)<\/span> {<\/span>
    \n if<\/span> (<\/span>value ==<\/span> null<\/span>)<\/span> return<\/span> null<\/span>;<\/span>
    \n if<\/span> (<\/span>value is<\/span> num)<\/span> return<\/span> value.<\/span>toDouble<\/span>(<\/span>)<\/span>;<\/span>
    \n return<\/span> null<\/span>;<\/span>
    \n}<\/span><\/p>\n

    \/\/ 2. \u4f7f\u7528 Timer \u5b9e\u73b0\u7a33\u5065\u7684 2Hz \u5b9e\u65f6\u8ffd\u8e2a<\/span>
    \n_timer =<\/span> Timer<\/span>.<\/span>periodic<\/span>(<\/span>const<\/span> Duration<\/span>(<\/span>milliseconds:<\/span> 500<\/span>)<\/span>,<\/span> (<\/span>timer)<\/span> async<\/span> {<\/span>
    \n const<\/span> channel =<\/span> MethodChannel<\/span>(<\/span>'lyokone\/location'<\/span><\/span>)<\/span>;<\/span>
    \n final<\/span> Map<\/span><<\/span>dynamic<\/span>,<\/span> dynamic<\/span>><\/span><\/span>?<\/span> result =<\/span> await<\/span> channel.<\/span>invokeMethod<\/span>(<\/span>'getLocation'<\/span><\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>result !=<\/span> null<\/span>)<\/span> {<\/span>
    \n final<\/span> data =<\/span> LocationData<\/span>.<\/span>fromMap<\/span>(<\/span>{<\/span>
    \n 'latitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'latitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'longitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'longitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n \/\/ … \u5bf9\u6240\u6709\u6570\u503c\u5b57\u6bb5\u5e94\u7528 _safeDouble<\/span>
    \n }<\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n}<\/span>)<\/span>;<\/span><\/p>\n

    \n

    \u4e94\u3001 \u5b9e\u6218\u793a\u4f8b：\u6784\u5efa\u201c\u9e3f\u8499\u4f4d\u7f6e\u4eea\u8868\u76d8\u201d<\/h3>\n

    \u4ee5\u4e0b\u6f14\u793a\u4e86\u4e00\u4e2a\u5177\u5907 Premium UI \u8bbe\u8ba1\u7684\u9875\u9762，\u652f\u6301\u5207\u6362\u5355\u6b21\u5b9a\u4f4d\u4e0e 2Hz \u5b9e\u65f6\u6d41\u5f0f\u76d1\u63a7：<\/p>\n

    !<\/span>[<\/span>\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0]<\/span>(<\/span>https:<\/span>\/<\/span>\/<\/span>i–<\/span>blog.<\/span>csdnimg.<\/span>cn\/<\/span>direct\/<\/span>e39491a22ad04eb8a56480ea3853d3d3.<\/span>png)<\/span>
    \nimport<\/span> 'dart:async'<\/span><\/span>;<\/span>
    \nimport<\/span> 'package:flutter\/material.dart'<\/span><\/span>;<\/span>
    \nimport<\/span> 'package:flutter\/services.dart'<\/span><\/span>;<\/span>
    \nimport<\/span> 'package:location\/location.dart'<\/span><\/span>;<\/span><\/p>\n

    class<\/span> LocationDemoPage<\/span> extends<\/span> StatefulWidget<\/span> {<\/span>
    \n const<\/span> LocationDemoPage<\/span>(<\/span>{<\/span>super<\/span>.<\/span>key}<\/span>)<\/span>;<\/span><\/p>\n

    @override<\/span>
    \n State<\/span><<\/span>LocationDemoPage<\/span>><\/span><\/span> createState<\/span>(<\/span>)<\/span> =<\/span>><\/span> _LocationDemoPageState<\/span>(<\/span>)<\/span>;<\/span>
    \n}<\/span><\/p>\n

    class<\/span> _LocationDemoPageState extends<\/span> State<\/span><<\/span>LocationDemoPage<\/span>><\/span><\/span> {<\/span>
    \n final<\/span> _location =<\/span> Location<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

    \/\/ \u72b6\u6001\u53d8\u91cf<\/span>
    \n LocationData<\/span>?<\/span> _currentData;<\/span>
    \n Timer<\/span>?<\/span> _timer;<\/span> \/\/ 💡 \u4eae\u70b9：\u9ad8\u9891\u8f6e\u8be2\u8ba1\u65f6\u5668<\/span>
    \n bool _isTracking =<\/span> false<\/span>;<\/span>
    \n String<\/span> _statusMsg =<\/span> "\u7b49\u5f85\u64cd\u4f5c…"<\/span><\/span>;<\/span>
    \n PermissionStatus<\/span>?<\/span> _permissionGranted;<\/span><\/p>\n

    @override<\/span>
    \n void<\/span> dispose<\/span>(<\/span>)<\/span> {<\/span>
    \n _timer?<\/span>.<\/span>cancel<\/span>(<\/span>)<\/span>;<\/span>
    \n super<\/span>.<\/span>dispose<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ 1. \u521d\u59cb\u5316\u5e76\u68c0\u67e5\u6743\u9650 (\u9e3f\u8499\u9002\u914d\u6838\u5fc3)<\/span>
    \n Future<\/span><<\/span>bool><\/span><\/span> _checkServiceAndPermission<\/span>(<\/span>)<\/span> async<\/span> {<\/span>
    \n setState<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> _statusMsg =<\/span> "\u6b63\u5728\u68c0\u67e5\u670d\u52a1\u72b6\u6001…"<\/span><\/span>)<\/span>;<\/span><\/p>\n

    \/\/ \u68c0\u67e5\u5b9a\u4f4d\u670d\u52a1<\/span>
    \n bool serviceEnabled =<\/span> await<\/span> _location.<\/span>serviceEnabled<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>!<\/span>serviceEnabled)<\/span> {<\/span>
    \n serviceEnabled =<\/span> await<\/span> _location.<\/span>requestService<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>!<\/span>serviceEnabled)<\/span> {<\/span>
    \n setState<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> _statusMsg =<\/span> "\u274c \u7528\u6237\u62d2\u7edd\u5f00\u542f\u4f4d\u7f6e\u670d\u52a1"<\/span><\/span>)<\/span>;<\/span>
    \n return<\/span> false<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span><\/p>\n

    \/\/ \u68c0\u67e5\u6743\u9650 (HarmonyOS NEXT \u9690\u79c1\u8981\u6c42)<\/span>
    \n var<\/span> permission =<\/span> await<\/span> _location.<\/span>hasPermission<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>permission ==<\/span> PermissionStatus<\/span>.<\/span>denied)<\/span> {<\/span>
    \n permission =<\/span> await<\/span> _location.<\/span>requestPermission<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>permission !=<\/span> PermissionStatus<\/span>.<\/span>granted)<\/span> {<\/span>
    \n setState<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> _statusMsg =<\/span> "\u274c \u5b9a\u4f4d\u6743\u9650\u88ab\u62d2\u7edd"<\/span><\/span>)<\/span>;<\/span>
    \n return<\/span> false<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span><\/p>\n

    _permissionGranted =<\/span> permission;<\/span>
    \n return<\/span> true<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ 💡 \u4eae\u70b9：\u5b89\u5168\u6570\u503c\u8f6c\u6362\u5668，\u89e3\u51b3\u9e3f\u8499\u7aef int\/double \u6df7\u5408\u5bfc\u81f4\u7684\u8f6c\u578b\u5931\u8d25<\/span>
    \n double?<\/span> _safeDouble<\/span>(<\/span>dynamic<\/span> value)<\/span> {<\/span>
    \n if<\/span> (<\/span>value ==<\/span> null<\/span>)<\/span> return<\/span> null<\/span>;<\/span>
    \n if<\/span> (<\/span>value is<\/span> num)<\/span> return<\/span> value.<\/span>toDouble<\/span>(<\/span>)<\/span>;<\/span>
    \n return<\/span> null<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ 2. \u5355\u6b21\u7cbe\u51c6\u5b9a\u4f4d (\u81ea\u6108\u65b9\u6848：\u7ed5\u8fc7\u63d2\u4ef6\u5185\u90e8 Bug)<\/span>
    \n Future<\/span><<\/span>void<\/span>><\/span><\/span> _getLocationOnce<\/span>(<\/span>)<\/span> async<\/span> {<\/span>
    \n if<\/span> (<\/span>!<\/span>await<\/span> _checkServiceAndPermission<\/span>(<\/span>)<\/span>)<\/span> return<\/span>;<\/span><\/p>\n

    setState<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> _statusMsg =<\/span> "\u6b63\u5728\u901a\u8fc7\u536b\u661f\u5bfb\u661f…"<\/span><\/span>)<\/span>;<\/span><\/p>\n

    try<\/span> {<\/span>
    \n \/\/ 💡 \u6838\u5fc3：\u63d2\u4ef6\u5185\u90e8\u7684 _location.getLocation() \u5b58\u5728\u7c7b\u578b\u5f3a\u8f6c Bug<\/span>
    \n \/\/ \u6211\u4eec\u76f4\u63a5\u901a\u8fc7 MethodChannel \u62ff\u539f\u59cb Map \u6570\u636e\u81ea\u884c\u89e3\u6790<\/span>
    \n const<\/span> channel =<\/span> MethodChannel<\/span>(<\/span>'lyokone\/location'<\/span><\/span>)<\/span>;<\/span>
    \n final<\/span> Map<\/span><<\/span>dynamic<\/span>,<\/span> dynamic<\/span>><\/span><\/span>?<\/span> result =<\/span>
    \n await<\/span> channel.<\/span>invokeMethod<\/span>(<\/span>'getLocation'<\/span><\/span>,<\/span> {<\/span>"accuracy"<\/span><\/span>:<\/span> 0<\/span>}<\/span>)<\/span>;<\/span><\/p>\n

    if<\/span> (<\/span>result !=<\/span> null<\/span>)<\/span> {<\/span>
    \n \/\/ \u624b\u52a8\u6784\u5efa LocationData，\u786e\u4fdd\u7c7b\u578b 100% \u6b63\u786e<\/span>
    \n final<\/span> data =<\/span> LocationData<\/span>.<\/span>fromMap<\/span>(<\/span>{<\/span>
    \n 'latitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'latitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'longitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'longitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'accuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'accuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'altitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'altitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'speed'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'speed'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'speed_accuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'speed_accuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'heading'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'heading'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'time'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'time'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'isMock'<\/span><\/span>:<\/span> result[<\/span>'isMock'<\/span><\/span>]<\/span> ?<\/span>?<\/span> false<\/span>,<\/span>
    \n 'verticalAccuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'verticalAccuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'headingAccuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'headingAccuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'elapsedRealtimeNanos'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'elapsedRealtimeNanos'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'elapsedRealtimeUncertaintyNanos'<\/span><\/span>:<\/span>
    \n _safeDouble<\/span>(<\/span>result[<\/span>'elapsedRealtimeUncertaintyNanos'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'satelliteNumber'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'satelliteNumber'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'provider'<\/span><\/span>:<\/span> result[<\/span>'provider'<\/span><\/span>]<\/span>,<\/span>
    \n }<\/span>)<\/span>;<\/span><\/p>\n

    setState<\/span>(<\/span>(<\/span>)<\/span> {<\/span>
    \n _currentData =<\/span> data;<\/span>
    \n _statusMsg =<\/span> "\u2705 [\u81ea\u6108\u6a21\u7ec4] \u5b9a\u4f4d\u6210\u529f"<\/span><\/span>;<\/span>
    \n }<\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span> catch<\/span> (<\/span>e)<\/span> {<\/span>
    \n setState<\/span>(<\/span>(<\/span>)<\/span> =<\/span>><\/span> _statusMsg =<\/span> "\u5b9a\u4f4d\u91cd\u6784\u65b9\u6848\u5931\u8d25: <\/span>$<\/span>e<\/span><\/span>"<\/span><\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span><\/p>\n

    \/\/ 3. \u5f00\u542f\/\u5173\u95ed\u5b9e\u65f6\u8ffd\u8e2a (\u91c7\u7528\u9ad8\u9891\u8f6e\u8be2\u81ea\u6108\u65b9\u6848)<\/span>
    \n void<\/span> _toggleTracking<\/span>(<\/span>)<\/span> async<\/span> {<\/span>
    \n if<\/span> (<\/span>_isTracking)<\/span> {<\/span>
    \n _timer?<\/span>.<\/span>cancel<\/span>(<\/span>)<\/span>;<\/span>
    \n setState<\/span>(<\/span>(<\/span>)<\/span> {<\/span>
    \n _isTracking =<\/span> false<\/span>;<\/span>
    \n _statusMsg =<\/span> "\u23f9 \u5b9e\u65f6\u8ffd\u8e2a\u5df2\u505c\u6b62"<\/span><\/span>;<\/span>
    \n }<\/span>)<\/span>;<\/span>
    \n return<\/span>;<\/span>
    \n }<\/span><\/p>\n

    if<\/span> (<\/span>!<\/span>await<\/span> _checkServiceAndPermission<\/span>(<\/span>)<\/span>)<\/span> return<\/span>;<\/span><\/p>\n

    setState<\/span>(<\/span>(<\/span>)<\/span> {<\/span>
    \n _isTracking =<\/span> true<\/span>;<\/span>
    \n _statusMsg =<\/span> "🛰 [\u9ad8\u9891\u81ea\u6108\u6d41] \u8ffd\u8e2a\u4e2d (2Hz)…"<\/span><\/span>;<\/span>
    \n }<\/span>)<\/span>;<\/span><\/p>\n

    \/\/ 💡 \u4eae\u70b9：\u91c7\u7528\u6bcf 500ms \u4e3b\u52a8\u62c9\u53d6\u4e00\u6b21\u6570\u636e\u7684\u65b9\u6848，\u7ed5\u8fc7\u4e0d\u53ef\u9760\u7684 EventChannel<\/span>
    \n _timer =<\/span> Timer<\/span>.<\/span>periodic<\/span>(<\/span>const<\/span> Duration<\/span>(<\/span>milliseconds:<\/span> 500<\/span>)<\/span>,<\/span> (<\/span>timer)<\/span> async<\/span> {<\/span>
    \n try<\/span> {<\/span>
    \n const<\/span> channel =<\/span> MethodChannel<\/span>(<\/span>'lyokone\/location'<\/span><\/span>)<\/span>;<\/span>
    \n final<\/span> Map<\/span><<\/span>dynamic<\/span>,<\/span> dynamic<\/span>><\/span><\/span>?<\/span> result =<\/span>
    \n await<\/span> channel.<\/span>invokeMethod<\/span>(<\/span>'getLocation'<\/span><\/span>,<\/span> {<\/span>"accuracy"<\/span><\/span>:<\/span> 0<\/span>}<\/span>)<\/span>;<\/span><\/p>\n

    if<\/span> (<\/span>result !=<\/span> null<\/span>)<\/span> {<\/span>
    \n final<\/span> data =<\/span> LocationData<\/span>.<\/span>fromMap<\/span>(<\/span>{<\/span>
    \n 'latitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'latitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'longitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'longitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'accuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'accuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'altitude'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'altitude'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'speed'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'speed'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'speed_accuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'speed_accuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'heading'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'heading'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'time'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'time'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'isMock'<\/span><\/span>:<\/span> result[<\/span>'isMock'<\/span><\/span>]<\/span> ?<\/span>?<\/span> false<\/span>,<\/span>
    \n 'verticalAccuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'verticalAccuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'headingAccuracy'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'headingAccuracy'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'elapsedRealtimeNanos'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'elapsedRealtimeNanos'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'elapsedRealtimeUncertaintyNanos'<\/span><\/span>:<\/span>
    \n _safeDouble<\/span>(<\/span>result[<\/span>'elapsedRealtimeUncertaintyNanos'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'satelliteNumber'<\/span><\/span>:<\/span> _safeDouble<\/span>(<\/span>result[<\/span>'satelliteNumber'<\/span><\/span>]<\/span>)<\/span>,<\/span>
    \n 'provider'<\/span><\/span>:<\/span> result[<\/span>'provider'<\/span><\/span>]<\/span>,<\/span>
    \n }<\/span>)<\/span>;<\/span><\/p>\n

    if<\/span> (<\/span>mounted)<\/span> {<\/span>
    \n setState<\/span>(<\/span>(<\/span>)<\/span> {<\/span>
    \n _currentData =<\/span> data;<\/span>
    \n }<\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span>
    \n }<\/span> catch<\/span> (<\/span>e)<\/span> {<\/span>
    \n debugPrint<\/span>(<\/span>"Polling Error: <\/span>$<\/span>e<\/span><\/span>"<\/span><\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    @override<\/span>
    \n Widget<\/span> build<\/span>(<\/span>BuildContext<\/span> context)<\/span> {<\/span>
    \n return<\/span> Scaffold<\/span>(<\/span>
    \n backgroundColor:<\/span> const<\/span> Color<\/span>(<\/span>0xFFF5F7FA<\/span>)<\/span>,<\/span> \/\/ \u9e3f\u8499\u7b80\u7ea6\u80cc\u666f\u8272<\/span>
    \n appBar:<\/span> AppBar<\/span>(<\/span>
    \n title:<\/span> const<\/span> Text<\/span>(<\/span>'\u9e3f\u8499 LBS \u5b9e\u9a8c\u5ba4'<\/span><\/span>)<\/span>,<\/span>
    \n backgroundColor:<\/span> Colors<\/span>.<\/span>blueAccent,<\/span>
    \n foregroundColor:<\/span> Colors<\/span>.<\/span>white,<\/span>
    \n elevation:<\/span> 0<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n body:<\/span> SingleChildScrollView<\/span>(<\/span>
    \n padding:<\/span> const<\/span> EdgeInsets<\/span>.<\/span>all<\/span>(<\/span>20<\/span>)<\/span>,<\/span>
    \n child:<\/span> Column<\/span>(<\/span>
    \n crossAxisAlignment:<\/span> CrossAxisAlignment<\/span>.<\/span>stretch,<\/span>
    \n children:<\/span> [<\/span>
    \n _buildStatusHeader<\/span>(<\/span>)<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>height:<\/span> 20<\/span>)<\/span>,<\/span>
    \n _buildLocationDashboard<\/span>(<\/span>)<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>height:<\/span> 30<\/span>)<\/span>,<\/span>
    \n _buildControlButtons<\/span>(<\/span>)<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>height:<\/span> 30<\/span>)<\/span>,<\/span>
    \n _buildTipsCard<\/span>(<\/span>)<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ \u72b6\u6001\u5934\u90e8<\/span>
    \n Widget<\/span> _buildStatusHeader<\/span>(<\/span>)<\/span> {<\/span>
    \n return<\/span> Container<\/span>(<\/span>
    \n padding:<\/span> const<\/span> EdgeInsets<\/span>.<\/span>symmetric<\/span>(<\/span>vertical:<\/span> 12<\/span>,<\/span> horizontal:<\/span> 16<\/span>)<\/span>,<\/span>
    \n decoration:<\/span> BoxDecoration<\/span>(<\/span>
    \n color:<\/span> Colors<\/span>.<\/span>white,<\/span>
    \n borderRadius:<\/span> BorderRadius<\/span>.<\/span>circular<\/span>(<\/span>12<\/span>)<\/span>,<\/span>
    \n border:<\/span> Border<\/span>.<\/span>all<\/span>(<\/span>color:<\/span> Colors<\/span>.<\/span>blueAccent.<\/span>withOpacity<\/span>(<\/span>0.2<\/span>)<\/span>)<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n child:<\/span> Row<\/span>(<\/span>
    \n children:<\/span> [<\/span>
    \n Icon<\/span>(<\/span>
    \n _isTracking ?<\/span> Icons<\/span>.<\/span>gps_fixed :<\/span> Icons<\/span>.<\/span>gps_not_fixed,<\/span>
    \n color:<\/span> _isTracking ?<\/span> Colors<\/span>.<\/span>green :<\/span> Colors<\/span>.<\/span>grey,<\/span>
    \n )<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>width:<\/span> 12<\/span>)<\/span>,<\/span>
    \n Expanded<\/span>(<\/span>
    \n child:<\/span> Column<\/span>(<\/span>
    \n crossAxisAlignment:<\/span> CrossAxisAlignment<\/span>.<\/span>start,<\/span>
    \n children:<\/span> [<\/span>
    \n Text<\/span>(<\/span>
    \n _statusMsg,<\/span>
    \n style:<\/span> TextStyle<\/span>(<\/span>
    \n color:<\/span> _isTracking ?<\/span> Colors<\/span>.<\/span>green[<\/span>700<\/span>]<\/span> :<\/span> Colors<\/span>.<\/span>black87,<\/span>
    \n fontWeight:<\/span> FontWeight<\/span>.<\/span>w500,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n if<\/span> (<\/span>_permissionGranted !=<\/span> null<\/span>)<\/span>
    \n Text<\/span>(<\/span>
    \n '\u7cfb\u7edf\u6743\u9650\u72b6\u6001: ${_permissionGranted.toString().split('<\/span><\/span>.<\/span>').last}'<\/span><\/span>,<\/span>
    \n style:<\/span> const<\/span> TextStyle<\/span>(<\/span>fontSize:<\/span> 11<\/span>,<\/span> color:<\/span> Colors<\/span>.<\/span>grey)<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ \u4f4d\u7f6e\u4eea\u8868\u76d8 (Premium UI)<\/span>
    \n Widget<\/span> _buildLocationDashboard<\/span>(<\/span>)<\/span> {<\/span>
    \n return<\/span> InkWell<\/span>(<\/span>
    \n onTap:<\/span> _getLocationOnce,<\/span>
    \n child:<\/span> Container<\/span>(<\/span>
    \n padding:<\/span> const<\/span> EdgeInsets<\/span>.<\/span>all<\/span>(<\/span>24<\/span>)<\/span>,<\/span>
    \n decoration:<\/span> BoxDecoration<\/span>(<\/span>
    \n gradient:<\/span> const<\/span> LinearGradient<\/span>(<\/span>
    \n colors:<\/span> [<\/span>Color<\/span>(<\/span>0xFF4facfe<\/span>)<\/span>,<\/span> Color<\/span>(<\/span>0xFF00f2fe<\/span>)<\/span>]<\/span>,<\/span>
    \n begin:<\/span> Alignment<\/span>.<\/span>topLeft,<\/span>
    \n end:<\/span> Alignment<\/span>.<\/span>bottomRight,<\/span>
    \n )<\/span>,<\/span>
    \n borderRadius:<\/span> BorderRadius<\/span>.<\/span>circular<\/span>(<\/span>24<\/span>)<\/span>,<\/span>
    \n boxShadow:<\/span> [<\/span>
    \n BoxShadow<\/span>(<\/span>
    \n color:<\/span> Colors<\/span>.<\/span>blue.<\/span>withOpacity<\/span>(<\/span>0.3<\/span>)<\/span>,<\/span>
    \n blurRadius:<\/span> 15<\/span>,<\/span>
    \n offset:<\/span> const<\/span> Offset<\/span>(<\/span>0<\/span>,<\/span> 8<\/span>)<\/span>,<\/span>
    \n )<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n child:<\/span> Column<\/span>(<\/span>
    \n children:<\/span> [<\/span>
    \n const<\/span> Text<\/span>(<\/span>
    \n '\u5f53\u524d\u5730\u7403\u5750\u6807 (WGS-84)'<\/span><\/span>,<\/span>
    \n style:<\/span> TextStyle<\/span>(<\/span>
    \n color:<\/span> Colors<\/span>.<\/span>white,<\/span>
    \n fontSize:<\/span> 16<\/span>,<\/span>
    \n fontWeight:<\/span> FontWeight<\/span>.<\/span>bold)<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>height:<\/span> 20<\/span>)<\/span>,<\/span>
    \n Row<\/span>(<\/span>
    \n mainAxisAlignment:<\/span> MainAxisAlignment<\/span>.<\/span>spaceAround,<\/span>
    \n children:<\/span> [<\/span>
    \n _buildValueItem<\/span>(<\/span>
    \n '\u7ecf\u5ea6 Longitude'<\/span><\/span>,<\/span>
    \n _currentData?<\/span>.<\/span>longitude?<\/span>.<\/span>toDouble<\/span>(<\/span>)<\/span>.<\/span>toStringAsFixed<\/span>(<\/span>6<\/span>)<\/span> ?<\/span>?<\/span>
    \n '—'<\/span><\/span>)<\/span>,<\/span>
    \n _buildValueItem<\/span>(<\/span>
    \n '\u7eac\u5ea6 Latitude'<\/span><\/span>,<\/span>
    \n _currentData?<\/span>.<\/span>latitude?<\/span>.<\/span>toDouble<\/span>(<\/span>)<\/span>.<\/span>toStringAsFixed<\/span>(<\/span>6<\/span>)<\/span> ?<\/span>?<\/span>
    \n '—'<\/span><\/span>)<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n const<\/span> Divider<\/span>(<\/span>color:<\/span> Colors<\/span>.<\/span>white24,<\/span> height:<\/span> 40<\/span>)<\/span>,<\/span>
    \n Row<\/span>(<\/span>
    \n mainAxisAlignment:<\/span> MainAxisAlignment<\/span>.<\/span>spaceAround,<\/span>
    \n children:<\/span> [<\/span>
    \n \/\/ 💡 \u4fee\u590d\u70b9：\u4f7f\u7528 .toDouble() \u89c4\u907f type 'int' is not a subtype of 'double' \u9519\u8bef<\/span>
    \n _buildValueItem<\/span>(<\/span>'\u6d77\u62d4 Alt'<\/span><\/span>,<\/span>
    \n '<\/span>${<\/span>_currentData?<\/span>.<\/span>altitude?<\/span>.<\/span>toDouble<\/span>(<\/span>)<\/span>.<\/span>toInt<\/span>(<\/span>)<\/span> ?<\/span>?<\/span> "—"<\/span><\/span><\/span>}<\/span><\/span> m'<\/span><\/span>)<\/span>,<\/span>
    \n _buildValueItem<\/span>(<\/span>'\u901f\u5ea6 V'<\/span><\/span>,<\/span>
    \n '<\/span>${<\/span>_currentData?<\/span>.<\/span>speed?<\/span>.<\/span>toDouble<\/span>(<\/span>)<\/span>.<\/span>toStringAsFixed<\/span>(<\/span>1<\/span>)<\/span> ?<\/span>?<\/span> "0.0"<\/span><\/span><\/span>}<\/span><\/span> m\/s'<\/span><\/span>)<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>;<\/span>
    \n }<\/span><\/p>\n

    Widget<\/span> _buildValueItem<\/span>(<\/span>String<\/span> label,<\/span> String<\/span> value)<\/span> {<\/span>
    \n return<\/span> Column<\/span>(<\/span>
    \n children:<\/span> [<\/span>
    \n Text<\/span>(<\/span>label,<\/span>
    \n style:<\/span> const<\/span> TextStyle<\/span>(<\/span>color:<\/span> Colors<\/span>.<\/span>white70,<\/span> fontSize:<\/span> 12<\/span>)<\/span>)<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>height:<\/span> 4<\/span>)<\/span>,<\/span>
    \n Text<\/span>(<\/span>value,<\/span>
    \n style:<\/span> const<\/span> TextStyle<\/span>(<\/span>
    \n color:<\/span> Colors<\/span>.<\/span>white,<\/span>
    \n fontSize:<\/span> 20<\/span>,<\/span>
    \n fontWeight:<\/span> FontWeight<\/span>.<\/span>bold,<\/span>
    \n fontFamily:<\/span> 'monospace'<\/span><\/span>)<\/span>)<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ \u63a7\u5236\u6309\u94ae<\/span>
    \n Widget<\/span> _buildControlButtons<\/span>(<\/span>)<\/span> {<\/span>
    \n return<\/span> Column<\/span>(<\/span>
    \n children:<\/span> [<\/span>
    \n ElevatedButton<\/span>.<\/span>icon<\/span>(<\/span>
    \n onPressed:<\/span> _getLocationOnce,<\/span>
    \n icon:<\/span> const<\/span> Icon<\/span>(<\/span>Icons<\/span>.<\/span>my_location)<\/span>,<\/span>
    \n label:<\/span> const<\/span> Text<\/span>(<\/span>'\u7acb\u5373\u83b7\u53d6\u5355\u6b21\u7cbe\u51c6\u4f4d\u7f6e'<\/span><\/span>)<\/span>,<\/span>
    \n style:<\/span> ElevatedButton<\/span>.<\/span>styleFrom<\/span>(<\/span>
    \n minimumSize:<\/span> const<\/span> Size<\/span>(<\/span>double.<\/span>infinity,<\/span> 54<\/span>)<\/span>,<\/span>
    \n backgroundColor:<\/span> Colors<\/span>.<\/span>white,<\/span>
    \n foregroundColor:<\/span> Colors<\/span>.<\/span>blueAccent,<\/span>
    \n shape:<\/span>
    \n RoundedRectangleBorder<\/span>(<\/span>borderRadius:<\/span> BorderRadius<\/span>.<\/span>circular<\/span>(<\/span>16<\/span>)<\/span>)<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n const<\/span> SizedBox<\/span>(<\/span>height:<\/span> 16<\/span>)<\/span>,<\/span>
    \n ElevatedButton<\/span>.<\/span>icon<\/span>(<\/span>
    \n onPressed:<\/span> _toggleTracking,<\/span>
    \n icon:<\/span>
    \n Icon<\/span>(<\/span>_isTracking ?<\/span> Icons<\/span>.<\/span>stop_circle :<\/span> Icons<\/span>.<\/span>play_circle_filled)<\/span>,<\/span>
    \n label:<\/span> Text<\/span>(<\/span>_isTracking ?<\/span> '\u505c\u6b62\u5b9e\u65f6\u4f4d\u7f6e\u8ffd\u8e2a'<\/span><\/span> :<\/span> '\u5f00\u59cb 2Hz \u5b9e\u65f6\u4f4d\u7f6e\u8ffd\u8e2a'<\/span><\/span>)<\/span>,<\/span>
    \n style:<\/span> ElevatedButton<\/span>.<\/span>styleFrom<\/span>(<\/span>
    \n minimumSize:<\/span> const<\/span> Size<\/span>(<\/span>double.<\/span>infinity,<\/span> 54<\/span>)<\/span>,<\/span>
    \n backgroundColor:<\/span> _isTracking ?<\/span> Colors<\/span>.<\/span>redAccent :<\/span> Colors<\/span>.<\/span>blueAccent,<\/span>
    \n foregroundColor:<\/span> Colors<\/span>.<\/span>white,<\/span>
    \n shape:<\/span>
    \n RoundedRectangleBorder<\/span>(<\/span>borderRadius:<\/span> BorderRadius<\/span>.<\/span>circular<\/span>(<\/span>16<\/span>)<\/span>)<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/\/ \u9e3f\u8499\u9002\u914d Tips<\/span>
    \n Widget<\/span> _buildTipsCard<\/span>(<\/span>)<\/span> {<\/span>
    \n return<\/span> Card<\/span>(<\/span>
    \n shape:<\/span> RoundedRectangleBorder<\/span>(<\/span>borderRadius:<\/span> BorderRadius<\/span>.<\/span>circular<\/span>(<\/span>16<\/span>)<\/span>)<\/span>,<\/span>
    \n child:<\/span> const<\/span> Padding<\/span>(<\/span>
    \n padding:<\/span> EdgeInsets<\/span>.<\/span>all<\/span>(<\/span>16.0<\/span>)<\/span>,<\/span>
    \n child:<\/span> Column<\/span>(<\/span>
    \n crossAxisAlignment:<\/span> CrossAxisAlignment<\/span>.<\/span>start,<\/span>
    \n children:<\/span> [<\/span>
    \n Row<\/span>(<\/span>
    \n children:<\/span> [<\/span>
    \n Icon<\/span>(<\/span>Icons<\/span>.<\/span>lightbulb_outline,<\/span> color:<\/span> Colors<\/span>.<\/span>orange)<\/span>,<\/span>
    \n SizedBox<\/span>(<\/span>width:<\/span> 8<\/span>)<\/span>,<\/span>
    \n Text<\/span>(<\/span>'\u9e3f\u8499\u9002\u914d\u6307\u5357'<\/span><\/span>,<\/span>
    \n style:<\/span>
    \n TextStyle<\/span>(<\/span>fontWeight:<\/span> FontWeight<\/span>.<\/span>bold,<\/span> fontSize:<\/span> 16<\/span>)<\/span>)<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n SizedBox<\/span>(<\/span>height:<\/span> 12<\/span>)<\/span>,<\/span>
    \n Text<\/span>(<\/span>'\u2022 \u6743\u9650：\u9700\u5728 module.json5 \u540c\u65f6\u58f0\u660e LOCATION \u548c APPROXIMATELY_LOCATION\u3002'<\/span><\/span>,<\/span>
    \n style:<\/span> TextStyle<\/span>(<\/span>fontSize:<\/span> 13<\/span>,<\/span> color:<\/span> Colors<\/span>.<\/span>black54)<\/span>)<\/span>,<\/span>
    \n SizedBox<\/span>(<\/span>height:<\/span> 6<\/span>)<\/span>,<\/span>
    \n Text<\/span>(<\/span>'\u2022 \u9690\u79c1：HarmonyOS NEXT \u5728\u540e\u53f0\u76d1\u542c\u4f4d\u7f6e\u65f6\u4f1a\u5728\u72b6\u6001\u680f\u7ed9\u51fa\u5f3a\u63d0\u9192\u3002'<\/span><\/span>,<\/span>
    \n style:<\/span> TextStyle<\/span>(<\/span>fontSize:<\/span> 13<\/span>,<\/span> color:<\/span> Colors<\/span>.<\/span>black54)<\/span>)<\/span>,<\/span>
    \n SizedBox<\/span>(<\/span>height:<\/span> 6<\/span>)<\/span>,<\/span>
    \n Text<\/span>(<\/span>'\u2022 \u8282\u80fd：\u5efa\u8bae\u5728\u4e0d\u9700\u8981\u9ad8\u7cbe\u5ea6\u65f6\u5207\u6362 LocationAccuracy.balanced\u3002'<\/span><\/span>,<\/span>
    \n style:<\/span> TextStyle<\/span>(<\/span>fontSize:<\/span> 13<\/span>,<\/span> color:<\/span> Colors<\/span>.<\/span>black54)<\/span>)<\/span>,<\/span>
    \n ]<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>,<\/span>
    \n )<\/span>;<\/span>
    \n }<\/span>
    \n}<\/span><\/p>\n

    \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    \u516d\u3001 \u603b\u7ed3<\/h3>\n

    \u4f4d\u7f6e\u662f\u6253\u7834\u5e94\u7528\u865a\u62df\u754c\u9650\u7684\u94a5\u5319\u3002\u901a\u8fc7\u9075\u5faa\u7cfb\u7edf\u7684\u9690\u79c1\u89c4\u8303\u5efa\u7acb\u4e86\u4fe1\u4efb，\u5229\u7528\u597d\u6bcf\u4e00\u6761\u5730\u7406\u8109\u51b2，\u5c06\u52a9\u4f60\u6253\u9020\u51fa\u66f4\u61c2\u7528\u6237\u884c\u4e3a\u3001\u66f4\u5177\u573a\u666f\u667a\u80fd\u7684\u4f18\u8d28\u5e94\u7528\u3002<\/p>\n

    \n

    🌐 \u6b22\u8fce\u52a0\u5165\u5f00\u6e90\u9e3f\u8499\u8de8\u5e73\u53f0\u793e\u533a：\u5f00\u6e90\u9e3f\u8499\u8de8\u5e73\u53f0\u5f00\u53d1\u8005\u793e\u533a<\/p>\n","protected":false},"excerpt":{"rendered":"

    Flutter for OpenHarmony \u5b9e\u6218：location \u63d2\u4ef6\u5b9e\u73b0\u9e3f\u8499\u7cbe\u786e\u5b9a\u4f4d \u524d\u8a00
    \n\u65e0\u8bba\u662f\u5916\u5356\u914d\u9001\u3001\u6253\u8f66\u8f6f\u4ef6，\u8fd8\u662f\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u793e\u4ea4\u53d1\u73b0，\u4f4d\u7f6e\u670d\u52a1（LBS） \u90fd\u662f\u73b0\u4ee3 App \u7684\u57fa\u77f3\u3002\u5728 HarmonyOS NEXT \u7cfb\u7edf\u4e2d，\u7531\u4e8e\u9690\u79c1\u673a\u5236\u7684\u5168\u9762\u5347\u7ea7，\u5982\u4f55\u5408\u89c4\u3001\u9ad8\u6548\u3001\u7cbe\u51c6\u5730\u83b7\u53d6\u7ecf\u7eac\u5ea6\u4fe1\u606f，\u662f\u6bcf\u4e2a\u9e3f\u8499\u5f00\u53d1\u8005\u5fc5\u987b\u638c\u63e1\u7684\u786c\u6838\u6280\u80fd\u3002
    \nlocation \u63d2\u4ef6<\/p>\n","protected":false},"author":2,"featured_media":74924,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2878,280,780,67,188],"topic":[],"class_list":["post-74928","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-flutter","tag-harmonyos","tag-ui","tag-67","tag-188"],"yoast_head":"\nFlutter for OpenHarmony \u5b9e\u6218\uff1alocation \u63d2\u4ef6\u5b9e\u73b0\u9e3f\u8499\u7cbe\u786e\u5b9a\u4f4d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/74928.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flutter for OpenHarmony \u5b9e\u6218\uff1alocation \u63d2\u4ef6\u5b9e\u73b0\u9e3f\u8499\u7cbe\u786e\u5b9a\u4f4d - 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