自 2025 年 3 月 27 日起，我們建議您使用 android-latest-release 而非 aosp-main 建構及貢獻 AOSP。詳情請參閱「Android 開放原始碼計畫變更」。
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
GeofenceCircle 結構體參考資料
#include <
fused_location.h
>
圓形地理圍欄會以經度 / 緯度 / 半徑表示。
定義位於檔案
fused_location.h
的
699
行。
這個結構體的說明文件是由下列檔案產生：
這個頁面中的內容和程式碼範例均受《內容授權》中的授權所規範。Java 與 OpenJDK 是 Oracle 和/或其關係企業的商標或註冊商標。
上次更新時間：2025-07-27 (世界標準時間)。
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-07-27 (世界標準時間)。"],[],[],null,["# Android Hardware Abstraction Layer: GeofenceCircle Struct Reference\n\nGeofenceCircle Struct Reference\n===============================\n\n[Data Fields](#pub-attribs) \nGeofenceCircle Struct Reference \n\n`\n#include \u003c\n`[fused_location.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)`\n\u003e\n`\n\n|--------|--------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| double | [latitude](/reference/hal/struct_geofence_circle#a76714bdbc5c536fa77dfb14533ff82a9) |\n| ||\n| double | [longitude](/reference/hal/struct_geofence_circle#ac155e35fdeebafc89723a51520fb9fe6) |\n| ||\n| double | [radius_m](/reference/hal/struct_geofence_circle#a0fefedc536e50b8eb07b5b347a917ddd) |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nCircular geofence is represented by lat / long / radius\n\n\nDefinition at line\n[699](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\nof file\n[fused_location.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\n.\n\nField Documentation\n-------------------\n\n\n|-----------------|\n| double latitude |\n\n\nDefinition at line\n[700](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\nof file\n[fused_location.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\n.\n\n|------------------|\n| double longitude |\n\n\nDefinition at line\n[701](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\nof file\n[fused_location.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\n.\n\n|-----------------|\n| double radius_m |\n\n\nDefinition at line\n[702](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\nof file\n[fused_location.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [fused_location.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/fused_location.h)"]]
