ios - Cannot fetch response from server -

cannot response server.

  nsmutabledictionary *dic =[[nsmutabledictionary alloc]init];   nsmutableurlrequest *request = [[nsmutableurlrequest alloc] init] ;     nsstring *strvideo=[nsstring stringwithformat:@"https://player.vimeo.com/video/%@/config",arrvideoid[i]];   [request2 seturl:[nsurl urlwithstring:strvideo]];   [request2 sethttpmethod:@"get"];    nsdata *body2 = [self encodedictionary:dic2];   [request2 setvalue:[nsstring stringwithformat:@"%d", body2.length] forhttpheaderfield:@"content-length"];   [request2 setvalue:@"application/x-www-form-urlencoded" forhttpheaderfield:@"content-type"];   [request2 sethttpbody:body2];    nserror *error;   nsurlresponse *resultresponse;   nsdata *response2 = [nsurlconnection sendsynchronousrequest:request2 returningresponse:&resultresponse error:&error];    nsmutabledictionary *dictresult2 =[nsjsonserialization jsonobjectwithdata:response2 options:nsjsonreadingmutableleaves error:nil]; 

-(void)setimage {     array = [[nsmutablearray alloc]init];     nsmutabledictionary *dictionary1 = [[nsmutabledictionary alloc]init];     [dictionary1 setvalue:@"img_home1.png" forkey:@"imagename"];     [array addobject:dictionary1];     nsmutabledictionary *dictionary2 = [[nsmutabledictionary alloc]init];     [dictionary2 setvalue:@"img_home2.png" forkey:@"imagename"];     [array addobject:dictionary2]; (int = 0; <= array.count; i++)     {         cgrect frame= cgrectzero; //self.scrollhomeview.frame;         frame.origin.x = [[uiscreen mainscreen] bounds].size.width  * i;         frame.origin.y = 0;         frame.size.width=[[uiscreen mainscreen] bounds].size.width;         frame.size.height = [[uiscreen mainscreen] bounds].size.height-130;          uiimageview *image = [[uiimageview alloc] initwithframe:frame];         image.contentmode= uiviewcontentmodescaleaspectfit; [self.scrollhomeview addsubview:image]; }     self.scrollhomeview.contentsize = cgsizemake([[uiscreen mainscreen] bounds].size.width * array.count,self.scrollhomeview.frame.size.height-130);     self.scrollhomeview.pagingenabled = yes;     self.scrollhomeview.showshorizontalscrollindicator = no;     self.scrollhomeview.showsverticalscrollindicator = no;     self.scrollhomeview.scrollstotop = no; }