hide tab ios

- (void) hideTabBar:(BOOL) hidden{

[UIView beginAnimations:nil context:NULL];

[UIView setAnimationDuration:0];

UIView *window = [UIApplication sharedApplication].keyWindow;

for(UIView *view in self.tabBarController.view.subviews)

{

if([view isKindOfClass:[UITabBar class]])

{

if (hidden) {

[view setFrame:CGRectMake(view.frame.origin.x, window.height, view.frame.size.width, view.frame.size.height)];

} else {

[view setFrame:CGRectMake(view.frame.origin.x, window.height-49, view.frame.size.width, view.frame.size.height)];

}

}

else

{

if (hidden) {

[view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, window.height)];

} else {

[view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, window.height-49)];

}

}

}

[UIView commitAnimations];

}