gistfile1.m

- (id)init {
    self = [super initWithNibName:@"BankView" bundle:nil];
    if (!self) return self;
    
    [[NSNotificationCenter defaultCenter] addObserver:self 
                                             selector:@selector(keyboardWillShow:) 
                                                 name:UIKeyboardWillShowNotification 
                                               object:self.view.window];
    
    [[NSNotificationCenter defaultCenter] addObserver:self 
                                             selector:@selector(keyboardWillHide:) 
                                                 name:UIKeyboardWillHideNotification 
                                               object:self.view.window];
    
    
    return self;
}

- (void)keyboardWillShow:(NSNotification *)notification {
	[self.view focusSubview:_textField withPadding:10 forNotification:notification];	
}

- (void)keyboardWillHide:(NSNotification *)notification {
	[self.view revertFocusForNotification:notification];
}