iphone - how to change from one Viewcontroller to UITabldeview controller? -

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I have coded in appdelegate.m as it is to convert from the current view into the UiTable View Controller? But I'm getting the error, tab is a Uitableview controller 

  tab = [interview viewer alloc]; [Remove ViewController.viewprovisionview]; [ViewController.viewAdsviewview: Tab]; [Add window] View: Controller view;

You have never started the tab, and you see the additroller Not really sure what you are trying to do

Do this: 

  tab = [[Interview viewer alloc] init]; [Remove ViewController.viewprovisionview]; [Add windowAubview: tab.vew];

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