ios6 - Want to redirect to setting page of Facebook if no account is configured in iPhone's Settings app -

i'm integrating facebook app uploading video fb. working fine.

acaccountstore *accountstore = [[acaccountstore alloc] init];         acaccounttype *accounttype = [accountstore accounttypewithaccounttypeidentifier:acaccounttypeidentifierfacebook];         __block acaccount *facebookaccount;         nsdictionary *options = @{                                   acfacebookappidkey: @"457887770928321",                                   acfacebookpermissionskey: @[@"publish_stream", @"publish_actions"],                                   acfacebookaudiencekey: acfacebookaudiencefriends                                   };         [accountstore requestaccesstoaccountswithtype:accounttype options:options completion:^(bool granted, nserror *error) {             if(granted) {                 nsarray *accountsarray = [accountstore accountswithaccounttype:accounttype];                 if ([accountsarray count] > 0) {                     facebookaccount = [accountsarray objectatindex:0];                      nsurl *videourl = [nsurl urlwithstring:@"https://graph.facebook.com/me/videos"];                     nsstring *filepath = [[nsbundle mainbundle] pathforresource:@"thaiphuketkaronbeach" oftype:@"mov"];                     nsurl *pathurl = [[nsurl alloc]initfileurlwithpath:filepath isdirectory:no];                     nsdata *videodata = [nsdata datawithcontentsoffile:filepath];                       nsdictionary *params = @{                                              @"title": @"a video post",                                              @"description": @"me testing video upload facebook."                                              };                        slrequest *uploadrequest = [slrequest requestforservicetype:slservicetypefacebook                                                                   requestmethod:slrequestmethodpost                                                                             url:videourl                                                                      parameters:params];                     [uploadrequest addmultipartdata:videodata                                            withname:@"source"                                                type:@"video/quicktime"                                            filename:[pathurl absolutestring]];                          uploadrequest.account = facebookaccount;                     nslog(@"uploading...");                      [uploadrequest performrequestwithhandler:^(nsdata *responsedata, nshttpurlresponse *urlresponse, nserror *error) {                         nsstring *responsestring = [[nsstring alloc] initwithdata:responsedata encoding:nsutf8stringencoding];                         if(error){                             nslog(@"error %@", error.localizeddescription);                         }else                             nslog(@"success : %@", responsestring);                     }];                   }                 else{                       // want redirect here settings app                     }             }         }]; 

how can redirect settings app configure fb login if accountsarray count == 0?

there no api taking user directly fb/tw settings page.

however, slcomposeviewcontroller prompt user alert if there no account configured set service type (fb/tw/sw). alert has option takes user fb/tw settings screen.

so, if detect there no accounts configured (slcomposeviewcontroller has method this) can present slcomposeviwecontroller knowing prompt user option go settings.

it's not ideal. slcomposeviewcontroller still shows behind alert, , keyboard appears also. it's possible hide these (controller.view.hidden = yes prior presenting, etc.), @ risk isn't expected behavior component.