1e41f4b71Sopenharmony_ci# oh_sensor.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci声明操作传感器的API，包括获取传感器信息和订阅取消订阅传感器数据。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**库：** libohsensor.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**系统能力：** SystemCapability.Sensors.Sensor 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 11 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**相关模块：** [Sensor](_sensor.md) 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## 汇总 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci### 函数 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci| 名称 | 描述 | 23e41f4b71Sopenharmony_ci| -------- | -------- | 24e41f4b71Sopenharmony_ci| [OH_Sensor_GetInfos](_sensor.md#oh_sensor_getinfos)([Sensor_Info](_sensor.md#sensor_info) \*\*infos, uint32_t \*count) | 获取设备上所有传感器的信息。 | 25e41f4b71Sopenharmony_ci| [OH_Sensor_Subscribe](_sensor.md#oh_sensor_subscribe)(const [Sensor_SubscriptionId](_sensor.md#sensor_subscriptionid) \*id, const [Sensor_SubscriptionAttribute](_sensor.md#sensor_subscriptionattribute) \*attribute, const [Sensor_Subscriber](_sensor.md#sensor_subscriber) \*subscriber) | 订阅传感器数据。系统将以指定的频率向用户报告传感器数据。<br/>订阅加速度传感器，需要申请ohos.permission.ACCELEROMETER权限；<br/>订阅陀螺仪传感器，需要申请ohos.permission.GYROSCOPE权限；<br/>订阅计步器相关传感器时，需要申请ohos.permission.ACTIVITY_MOTION权限；<br/>订阅与健康相关的传感器时，比如心率传感器，需要申请ohos.permission.READ_HEALTH_DATA权限，否则订阅失败。订阅其余传感器不需要申请权限。 | 26e41f4b71Sopenharmony_ci| [OH_Sensor_Unsubscribe](_sensor.md#oh_sensor_unsubscribe)(const [Sensor_SubscriptionId](_sensor.md#sensor_subscriptionid) \*id, const [Sensor_Subscriber](_sensor.md#sensor_subscriber) \*subscriber) | 取消订阅传感器数据。<br/>取消订阅加速度计传感器，需要申请ohos.permission.ACCELEROMETER权限；<br/>取消订阅陀螺仪传感器，需要申请ohos.permission.GYROSCOPE权限；<br/>取消订阅计步器相关传感器时，需要申请ohos.permission.ACTIVITY_MOTION权限；<br/>取消订阅与健康相关的传感器时，需要申请ohos.permission.READ_HEALTH_DATA权限，否则取消订阅失败。取消订阅其余传感器不需要申请权限。 | 27