completely show/hide tabbar controller and use the space - iphone

Question

I am trying to hide the tabbar controller and display uiimageview similar to how it is done in native photo library of iphone. I have already created the library but I am having problem in displaying the images on next view by hiding tabbar. I am able to hide the tabbar but when I try to add the uiimageview it does not expend to space taken up by tab bar. I want my uiimageview to stretch till bottom of the screen.
I even want to add a button on that empty space but I am not able to do it.
My code to hide tab bar:
self.tabBarController.tabBar.hidden = YES;
Can some one please help me?
Thanks
Pankaj

Answer 1

Try this
self.tabBarController.tabBar.hidden = YES;
and
[imageView setFrame:CGRectMake(0,0,320,480)];

Answer 2

just use below two methods to hide or show tabbar controller. put this methods in delegate class so it's easy to call from any class.
- (void) hideTabBar:(UITabBarController *) tabbarcontroller {
int height = 480;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
for(UIView *view in tabbarcontroller.view.subviews) {
if([view isKindOfClass:[UITabBar class]]) {
[view setFrame:CGRectMake(view.frame.origin.x, height, view.frame.size.width, view.frame.size.height)];
}
else {
[view setFrame:CGRectMake(view.frame.origin.x,view.frame.origin.y, 320, 436)];
}
}
[UIView commitAnimations];
}
- (void) showTabBar:(UITabBarController *) tabbarcontroller {
int height = 480;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:0.3];
for(UIView *view in tabbarcontroller.view.subviews) {
if([view isKindOfClass:[UITabBar class]]) {
[view setFrame:CGRectMake(view.frame.origin.x, height, view.frame.size.width, view.frame.size.height)];
}
else {
[view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, height)];
}
}
[UIView commitAnimations];
}

Answer 3

You need to set the frame of the bottom subview of the tabBarController's view property, like so:
self.tabBarController.tabBar.hidden = YES;
UIView* subview = (UIView*)[self.tabBarController.view.subviews objectAtIndex:0];
imageView.frame = subview.frame = self.window.bounds;
This is something I've used in some form in a couple of in-production products. Whether or not you actually want to utilize self.window.bounds depends on if your current class has a window property pointing to the mainWindow instance of UIWindow, whether you are supporting multiple orientations (bounds of window stays the same regardless of the current UIInterfaceOrientation, view controllers rotate, windows do not) and if you need to account for the status bar. If accounting for the status bar (UIStatusBar), offset the y & height by 20. Casting subview to UIView allows you to use dot syntax in this case (the static analyzer can't tell which objects are in an array).

Answer 4

I have been struggled on that for hours. Finally I found a solution. Just follow the following steps:
Tick the box Hide Bottom Bar on Push in your child view controller (the one you want to hide the tab bar) from Storyboard.
Add the following code in the viewWillAppear method in your root view controller: self.tabBarController?.tabBar.hidden = false.
Add the following code in the viewWillAppear method in your pushed view controller: self.tabBarController?.tabBar.hidden = true.
That's all. It just works!