objective c - Having problems with auto renewable subscription in app purchase in ios -


i having app in implementing auto renewable subscription in app purchase.

i following link link

with that, getting alert purchase when press again, asks me every time purchase.

there 2 methods mentioned in checking expiration date , if product expired.

but unable found proper solution that.

can please me???

any appreciated.

thanks in advance.

check link

https://developer.apple.com/library/ios/releasenotes/general/validateappstorereceipt/chapters/validateremotely.html

apple suggests receipt validation should done @ server side.

the status code received if subscription has expired 21006.

for restoring purchases

- (ibaction)retoreinapp:(id)sender {     [[skpaymentqueue defaultqueue] addtransactionobserver:self];     [[skpaymentqueue defaultqueue] restorecompletedtransactions];      self.restoringinappstatuslabel.hidden = no;  }

it call method after getting restore details :

- (void)paymentqueuerestorecompletedtransactionsfinished:(skpaymentqueue *)queue {      uialertview *alert ;     if(queue.transactions.count >0)     {         (skpaymenttransaction *transaction in queue.transactions)         {             nsstring *temp = transaction.payment.productidentifier;            nslog(@"product identifier string %@",temp);          }          alert = [[uialertview alloc ] initwithtitle:@"restore transactions" message:@"all previous transactions restored successfully." delegate:nil cancelbuttontitle:@"ok" otherbuttontitles:nil, nil];     }     else     {         alert = [[uialertview alloc ] initwithtitle:@"restore transactions" message:@"no transactions in account restored." delegate:nil cancelbuttontitle:@"ok" otherbuttontitles:nil, nil];      }     [alert show];  }

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