# 传感器会话

Source: [https://docs.qualcomm.com/doc/80-PK177-134Y/topic/sensor_session.html](https://docs.qualcomm.com/doc/80-PK177-134Y/topic/sensor_session.html)

传感器会话可简化应用程序与传感器子系统之间的通信。每个应用程序只能创建一个活动的会话。例如，如果第一次调用 create\_session 时已创建 sensor\_session\_id，则第二次调用 create\_session API 会返回 -1。如果需要创建新会话，则应先调用 delete\_session 以删除现有会话，然后才能创建传感器会话。

**Parent Topic:** [传感器函数](https://docs.qualcomm.com/doc/80-PK177-134Y/topic/sensor_functions.html)

Last Published: Jun 22, 2023

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