iOS within the app gets to the settings whether the current app can accept push

//ios7 system

[[uiapplication sharedapplication] Enabledremotenotificationtypes] = = 0//cannot receive push, not 0 can receive push, is an enumeration type

//ios8 above system

[[uiapplication sharedapplication] Currentusernotificationsettings]. Types == 0

Cannot receive push, not 0 can receive push, is an enumeration type

Note that when you set the push to the phone settings screen, you can send a notification in the appdelegate to the foreground agent method to make the corresponding interface changes.

iOS within the app gets to the settings whether the current app can accept push