iphone - viewDidAppear being called before WebService connection methods -


viewdidappear method put breakpoint in last step of operation, breakpoint viewdidappear method of putting @ first, trying run directly. emerging in connection using webservice. first breakpoint while running webservice connections, calling latest viewdidappear. however, prior providing breakpoint viewdidappear when calling webservice connection, , causes value null return. in short, called viewdidappear method, after obtaining webservice connections. breakpoint when it's this, when want work in same way.

- (void)viewdidappear:(bool)animated { [self labelyukle]; [super viewdidappear:animated]; }  -(void)connection:(nsurlconnection *)connection didreceiveresponse:(nsurlresponse *)response { if(theconnection)     [webdata setlength:0]; }

viewdidappear called ios system on own before view going appeared. if want perform functions after didreceiveresponse method, there method in nsurlconnectiondelegate can you.

- (void)connectiondidfinishloading:(nsurlconnection *)connection

this method used when connection has finished loading , can write functions want perform after didrecieverespose here in method.

you can read more nsurlconnectiondelegateprotocol methods here.


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