Use Firebase Messaging (push messages). You can send data messages with the code from B4x, php or any other plaform to the device. Here just show the number or code you send.
I tried using mqqt but unfortunately the user sometimes needs to work offline or doesn't have internet signal, then this solution is not for this ucase.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.