iOS Keyboard in Landscape

There are a number of articles that describe how to fit your view in the available space when the keyboard is being displayed. So the keyboard does not cover the UIView. But I haven't seen one that covers the situation when the orientation is landscape.

The trick here is that although the view is aware of the orientation, the keyboard is not. This means in Landscape, the keyboards width is actually its height and visa versa. So I've posted a number of methods but the keyboardWillShow method is the one of most interest. And in particular, the line

textView.frame = CGRectMake(0, 0, size.width , size.height - keyboardSize.width + 50);

Note that the keyboards width property is accessed to recalcuate the textviews height:

- (void) viewDidLoad {

    [super viewDidLoad];
    //Do stuff

    // Listen to keyboard show and hide events
 	// listen for keyboard
	[[NSNotificationCenter defaultCenter] addObserver:self 
					 selector:@selector(keyboardWillShow:) 
					 name:UIKeyboardWillShowNotification 
					   object:nil];
	
	[[NSNotificationCenter defaultCenter] addObserver:self 
					 selector:@selector(keyboardWillHide:) 
					 name:UIKeyboardWillHideNotification 
					   object:nil];
}

- (void) keyboardWillShow:(NSNotification *)notification {
	
    CGSize keyboardSize = [[[notification userInfo] 
                          objectForKey:UIKeyboardFrameBeginUserInfoKey] 
                          CGRectValue].size;
    
    UIInterfaceOrientation orientation = 
        [[UIApplication sharedApplication] statusBarOrientation];
    
    CGSize size = self.view.frame.size;
	
    if (orientation == UIDeviceOrientationPortrait 
        || orientation == UIDeviceOrientationPortraitUpsideDown ) {
	textView.frame = CGRectMake(0, 0, 
                                   size.width, 
                                   size.height - keyboardSize.height + 50);
    } else {
	//Note that the keyboard size is not oriented
        //so use width property instead	
	textView.frame = CGRectMake(0, 0, 
                                   size.width, 
                                   size.height - keyboardSize.width + 50);
    }
}

- (void) keyboardWillHide:(NSNotification *)notification {

    textView.frame = CGRectMake(0, 0, 
                               self.view.frame.size.width, 
                               self.view.frame.size.height + 25);
}

- (void) dealloc {

    [[NSNotificationCenter defaultCenter] removeObserver:self];

}