iphone - IOS: How to change the position of UITabbar to the top of view -


i using uitabbar in project want change position bottom top of view. code have put this. 

{     [super viewdidload];     // additional setup after loading view.      self.view.backgroundcolor = [uicolor whitecolor];    self.title = @"welcome";       _friendviewcontroller = [friendsviewcontroller new];     _homeviewcontroller = [homepageviewcontroller new];     _notifviewcontroller = [notificationviewcontroller new];     _messageviewcontroller = [messagesviewcontroller new];      self.tabbarcontroller = [[uitabbarcontroller alloc]init];      self.viewcontrollers = [nsarray arraywithobjects:_homeviewcontroller,_messageviewcontroller,_friendviewcontroller,_notifviewcontroller, nil];      //uitabbar *tabbar = self.tabbarcontroller.tabbar;     uitabbaritem *item0 = [self.tabbar.items objectatindex:0];     uitabbaritem *item1 = [self.tabbar.items objectatindex:1];     uitabbaritem *item2 = [self.tabbar.items objectatindex:2];     uitabbaritem *item3 = [self.tabbar.items objectatindex:3]; } 

uitabbarcontroller *tabbarcontroller; tabbarcontroller = [[uitabbarcontroller alloc]init];  // define custom frame size entire tab bar controller in // top of screen. cgrect tabbarframe; tabbarframe = cgrectmake(0, 0, 320, 200); tabbarcontroller.view.frame = tabbarframe;

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