ios - UITabBarController display -

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i newbie in ios development. developing application using tab bar controller. setting frame tab bar controller programmatically when switch iphone 5 there white space created between tab bar items , main view. following screen shot of application on iphone 5 simulator.

screen shot on 4.5 retina display simulator

following line of code setting frame uitabbarcontroller:

[roottabbarcontroller.view setframe:cgrectmake(0,-20,320, 480)];

put line of code , check it,you have set frames accordingly.

 

if ([[uiscreen mainscreen] bounds].size.height == 568)      {         [roottabbarcontroller.view setframe:cgrectmake(0,0,320, 568)];      }  else      {         [roottabbarcontroller.view setframe:cgrectmake(0,0,320, 480)];      }

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