How to create this kind of Service in Android development? -


i have 3 activity, , of them must synchronize user information .so i'd create kind of service.it must running of time, before root activity shown, , until app closed. 3 activity communicate service , user information , change user information. kind of service should use, , how create it?

sounds need use bound service. can use bound services communicate activities. here link bound services documentation: bound services


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