How to run background service in ios forever for syncing of data
问题 Hi I am developing an App which has a requirement to do syncing operation (data submission and retrieval) on web server. User can submit forms offline (ie. storing data to local db on device). And whenever network is available, background service should submit those data to web server. The detail requirement of background service is like: Background service will first check whether network is available or not if network is available, it will collect the data store in Local db (SQLite) on