KeyboardManagment.m

#pragma mark Keyboard Handling
- (void)registerForKeyboardNotifications {
    [[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 {
    NSDictionary *userInfo = [notification userInfo];
    CGSize size = [[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
    
    self.tipView.transform = CGAffineTransformMakeTranslation(0, -size.height);
}

- (void)keyboardWillHide: (NSNotification *)notification {
    self.tipView.transform = CGAffineTransformIdentity;
}