harmony 鸿蒙Pan-Sensor Development

  • 2023-06-24
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Pan-Sensor Development

Are the APIs used for obtaining PPG and ECG sensor data open to individual developers?

Applicable to: OpenHarmony 3.1 Beta5 (API version 9)

Data collected by the PPG and ECG sensors of wearable devices is personal privacy data. Therefore, relative APIs are not open to individual developers.

What should I do when error code 201 is reported during the calling of a vibrator API?

Applicable to: OpenHarmony 3.2 (API version 9, stage model)

Symptom

The following error message (error code 201) is reported when an API of the vibrator module is called:

vibrate fail, error.code: 201error.message: NaN

Solution

Permission verification failed. You must apply for the ohos.permission.VIBRATE permission.

Reference

Applying for Permissions

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