Hide show keyboard on TableView/CollectionView

HideShowKeyboard.m

#pragma mark - Hide/Show Keyboard on TableView
// Configure this when loading the view (can be inside viewDidLoad)
self.tableView.keyboardDismissMode = UIScrollViewKeyboardDismissModeInteractive;
[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(keyboardWillShowWithNotification:) name:UIKeyboardWillShowNotification object:nil];
[NSNotificationCenter.defaultCenter addObserver:self selector:@selector(keyboardWillHideWithNotification:) name:UIKeyboardWillHideNotification object:nil];

// Then implement this
- (void)keyboardWillShowWithNotification:(NSNotification *)notification {
    CGRect keyboardFrame = [((NSValue *) notification.userInfo[UIKeyboardFrameEndUserInfoKey]) CGRectValue];
    CGFloat bottomInset = keyboardFrame.size.height != 0 ? keyboardFrame.size.height : 0;
    [UIView animateWithDuration:0.25 animations:^{
        self.tableView.contentInset = UIEdgeInsetsMake(self.tableView.contentInset.top, self.tableView.contentInset.left, bottomInset, self.tableView.contentInset.right);
    }];
}

- (void)keyboardWillHideWithNotification:(NSNotification *)notification{
    [UIView animateWithDuration:0.25 animations:^{
        self.tableView.contentInset = UIEdgeInsetsMake(self.tableView.contentInset.top, self.tableView.contentInset.left, 0, self.tableView.contentInset.right);
    }];
}