how to set or sync time on android phone?

[xieze]

I have a smart watch based on nrf51822.but i don't have the customer app.I download the nrf tool box can read the heart rate.But i don't know how to set or sync time,can someone proviede apk can test or set time for my watch?

[Kenneth]

I don't know how this is done in Android, but if the watch have implemented the current time service client, then you would need to look into how to adding/enabling the current time service server on the phone. We have an example for the client using nRF Connect for Desktop to set the current time:

https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/ble_sdk_app_cts_c.html