ios - UITabBarController added programmatically, but tab bar doesn't display -


i did not start uiwindow uiview add uitabbarcontroller.

i have array of file names in documentfilename , hope load them 1 one in subviews, each in 1 tab.

viewcontrollers = [[nsmutablearray alloc] init]; (nsstring *tempstr in documentfilename) { subview *subviewcontroller = [[subview alloc] initwithfilename:tempstr];     [viewcontrollers addobject:subviewcontroller]; } tabbarcontroller.viewcontrollers = viewcontrollers; [self.view addsubview:tabbarcontroller.view]; }

in subview.m:

- (id) initwithfilename:(nsstring *)filename {     isiphone = [[uidevice currentdevice] userinterfaceidiom] == uiuserinterfaceidiomphone;     if (self = [super initwithnibname:((isiphone)?@"nflspromdressingssubview_iphone":@"nflspromdressingssubview_ipad") bundle:nil])     {         currentfilename = filename;     }     return self; }  - (void) viewdidload {     [self loaddocuments];     uitabbaritem *theitem = [[uitabbaritem alloc] initwithtabbarsystemitem:uitabbarsystemitemfavorites tag:[documentfilename indexofobject:currentfilename]];     self.tabbaritem = theitem; }

however, tab bar appears white , empty. did made mistakes? thanks.

make sure tabbar initiated , in viewdidload method add tabbar view [self.view addsubview:tabbarcontroller.view];


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