ios - What would you prefer in order to deal with Game-Center's invite friends? -


i've been trying implement invites gkturnbasedmatch. i've gone through documentation , web portals.

here i'm doing. firstly, i'm registering gklocalplayerlistener follows.

 if(!gklocalplayer.localplayer().isauthenticated)     {         authenticateplayer { (auth) in              weak var weakself = self             weak var weakplayer = gklocalplayer.localplayer()              if(auth){                    weakplayer?.register(weakself!)                  self.suthentication = true;                 //self.removeallmatches()                  //self.retrievefriends()              }             else{                 print("failed in authentication")                 self.suthentication = false;             }          }      }     else     {         // authenticated         gklocalplayer.localplayer().register(self)         localplayer = gklocalplayer.localplayer()         //removeallmatches()       }

now can reach listener's default methods. default way of invites, it's possible test invite friends. , default process send initialised match invitee listener's method. 

func player(_ player: gkplayer, receivedturneventfor match: gkturnbasedmatch, didbecomeactive: bool) {   ....  }

on receiver side, when invitee taps on match notification, method called, showing invitee second player of match.

func player(_ player: gkplayer, didaccept invite: gkinvite) {      toplabel.text = "recieved 5"     print("did accept invite:") }

when same process being done following criterion, error arose nil match object.

func retrievefriends() {     let lp = gklocalplayer.localplayer()     if lp.isauthenticated {          lp.loadfriendplayers(completionhandler: { (pl, e) in               if e == nil             {                 print(pl)                  let req = gkmatchrequest()                 req.minplayers = 2;                 req.maxplayers = 2;                 req.invitemessage = "1234567788899 ";                 req.recipients = pl;                   gkmatchmaker.shared().findmatch(for: req, withcompletionhandler: { (m, e) in                      if e == nil                     {                         print(m?.players)                     }                     else                     {                         print(e?.localizeddescription)                     }                      if m == nil                     {                         print(m)                     }                     else                     {                         print(m)                     }                    })                }          })       } }

now i've tested code, show match object nil , error printed, later invitee's device receive same matchmaking notification.

in nutshell, need adoptive description related query. isn't @ comprehensive task, in spite of, need selective options based on experience , practical knowledge of game centre documentation.

thank you.


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