ios - Call a public method of a WKInterfaceController from ExtensionDelegate class- WatchKit -

i calling the

`[[wcsession defaultsession] updateapplicationcontext:message error:error]`  

method triggered in my

 `-(void)session:(wcsession *)session didreceiveapplicationcontext:(nsdictionary<nsstring *,id> *)applicationcontext` 

method in extensiondelegate. here want call public method in wkinterfacecontroller update ui. don't want reload root controllers particular controller not root controller. possible call public method extensiondelegate. can call

-(void)session:(wcsession *)session didreceiveapplicationcontext:(nsdictionary<nsstring *,id> *)applicationcontext

from somewhere within interface controller instead of extensiondelegate?

you can use wcsession's

public func sendmessage(message: [string : anyobject], replyhandler: (([string : anyobject]) -> void)?, errorhandler: ((nserror) -> void)?)  

this invoke wcsessiondelegate's

public func session(session: wcsession, didreceivemessage message: [string : anyobject], replyhandler: ([string : anyobject]) -> void) 

method in delegate class. can used both app , extension instantaneous message transfer. read more