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POHide UIToolBar when using an UISearchBar
 

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    <p>Hello I'm currently encountering a problem when I try to hide a toolBar With a searchBar.</p> <p>I have a modal view with an UIToolBar, an UISearchBar (and its controller) and an UITableView. I am using a UIToolbar because this view is actually displayed as a modal view. I guess that what I am trying to do would a bit easier in the context of a UINavigationController. </p> <p>When searching, I want to hide the toolBar. For this I use notifications to change the frame of my components when the keyboard appears. But I have a problem, there is an highlighted space under my searchBar. You can see a screenshot :</p> <p><a href="http://dl.dropbox.com/u/39339665/Capture%20d%E2%80%99%C3%A9cran%202011-10-19%20%C3%A0%2016.21.43.png" rel="nofollow">http://dl.dropbox.com/u/39339665/Capture%20d%E2%80%99%C3%A9cran%202011-10-19%20%C3%A0%2016.21.43.png</a></p> <p>Are is were I use NSNotifcationCenter to get notified when the keyboard will be hidden/shown:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; [NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil]; } </code></pre> <p>Here are my callback:</p> <pre><code>- (void)keyboardWillHide:(NSNotification *)notification { [UIView beginAnimations:nil context:nil]; CGRect toolbarFrame = self.toolBar.frame; toolbarFrame.origin.y += toolbarFrame.size.height; CGRect tableViewFrame = self.theTableView.frame; tableViewFrame.origin.y += toolbarFrame.size.height; tableViewFrame.size.height -= toolbarFrame.size.height; self.toolBar.frame = toolbarFrame; self.theTableView.frame = tableViewFrame; [UIView commitAnimations]; } - (void)keyboardWillShow:(NSNotification *)notification { [UIView beginAnimations:nil context:nil]; CGRect toolbarFrame = self.toolBar.frame; toolbarFrame.origin.y -= toolbarFrame.size.height; CGRect tableViewFrame = self.theTableView.frame; tableViewFrame.origin.y -= toolbarFrame.size.height; tableViewFrame.size.height += toolbarFrame.size.height; self.toolBar.frame = toolbarFrame; self.theTableView.frame = tableViewFrame; [UIView commitAnimations]; } </code></pre>
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