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最后更新时间 (UTC)：2025-07-27。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-07-27。"],[],[],null,["# Android Hardware Abstraction Layer: meta_data_event Struct Reference\n\nmeta_data_event Struct Reference\n================================\n\n[Data Fields](#pub-attribs) \nmeta_data_event Struct Reference \n\n`\n#include \u003c\n`[sensors.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)`\n\u003e\n`\n\n|---------|------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| int32_t | [what](/reference/hal/structmeta__data__event#a397e31e246d23c1be3fa82ca4af8b930) |\n| ||\n| int32_t | [sensor](/reference/hal/structmeta__data__event#a470f19badf179fe205462c060e5175b4) |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nMeta data event data\n\n\nDefinition at line\n[937](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)\nof file\n[sensors.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)\n.\n\nField Documentation\n-------------------\n\n\n|----------------|\n| int32_t sensor |\n\n\nDefinition at line\n[939](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)\nof file\n[sensors.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)\n.\n\n|--------------|\n| int32_t what |\n\n\nDefinition at line\n[938](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)\nof file\n[sensors.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [sensors.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/sensors.h)"]]