service size is zero

[nowen]

sometime,i use android app to scan ble device,it will display "the device dose not has required services",the gatt.getServices.size is zero.why?

[Hung Bui]

Have you made sure you check the size after the Service Discovery finishes ? (wait for the service discovered call back )

[nowen]

Yes,I'm sure.

[nowen]

I used master control panel,after connect,the service list is null.There is no error.on other phone,it's normal.Does some android phone has some defects?

[Hung Bui]

Which phone(s) and Android version did you test ? Note that we have now nRF Connect. nRF Master Control Panel is very old.