Get UITableView to scroll to the selected UITextField and Avoid Being Hidden by Keyboard

Question

I have a UITextField in a table view on a UIViewController (not a UITableViewController). If the table view is on a UITableViewC

Answer 1

In my app, I have successfully used a combination of contentInset and scrollToRowAtIndexPath like this:

When you want to display the keyboard, just add a contentInset at the bottom with your table with desired height:

tableView.contentInset =  UIEdgeInsetsMake(0, 0, height, 0);

Then, you can safely use

[tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:cell_index inSection:cell_section] animated:YES];

By adding the contentInset, even if you are focusing on the last cell the tableView will still be able to scroll. Just make sure that when you are dismissing the keyboard, you reset the contentInset.

EDIT:
If you have only one section (you can replace cell_section with 0) and the use the textView tag to inform the cell row.

Answer 2

I needed a simple solution so for me helped:

func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
        let pointInTable = textField.superview!.convert(textField.frame.origin, to: tableView)
        var tableVContentOffset = tableView.contentOffset
        tableVContentOffset.y = pointInTable.y
        if let accessoryView = textField.inputAccessoryView {
            tableVContentOffset.y -= accessoryView.frame.size.height
        }
        tableView.setContentOffset(tableVContentOffset, animated: true)
        return true;
    }

Answer 3

I have add a little feature to @FunkyKat and @bmauter answers (great answer by the way, it should be the one accepted)

The regular Table View edge insets is preserved, before/after the keyboard apparition.

- (void)keyboardWillShow:(NSNotification *)sender
{
    CGSize kbSize = [[[sender userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
    NSTimeInterval duration = [[[sender userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];

    CGFloat height = UIDeviceOrientationIsPortrait([[UIDevice currentDevice] orientation]) ? kbSize.width : kbSize.height;

    [UIView animateWithDuration:duration animations:^{
        UIEdgeInsets edgeInsets = self.tableView.contentInset;
        edgeInsets.bottom += height;
        self.tableView.contentInset = edgeInsets;
        edgeInsets = self.tableView.scrollIndicatorInsets;
        edgeInsets.bottom += height;
        self.tableView.scrollIndicatorInsets = edgeInsets;
    }];
}

- (void)keyboardWillHide:(NSNotification *)sender
{
    CGSize kbSize = [[[sender userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
    NSTimeInterval duration = [[[sender userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];

    CGFloat height = UIDeviceOrientationIsPortrait([[UIDevice currentDevice] orientation]) ? kbSize.width : kbSize.height;

    [UIView animateWithDuration:duration animations:^{
        UIEdgeInsets edgeInsets = self.tableView.contentInset;
        edgeInsets.bottom -= height;
        self.tableView.contentInset = edgeInsets;
        edgeInsets = self.tableView.scrollIndicatorInsets;
        edgeInsets.bottom -= height;
        self.tableView.scrollIndicatorInsets = edgeInsets;
    }];
}

Answer 4

Try my coding, this will help for ypu

tabelview.contentInset =  UIEdgeInsetsMake(0, 0, 210, 0);
[tableview scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:your_indexnumber inSection:Your_section]
                 atScrollPosition:UITableViewScrollPositionMiddle animated:NO];

Answer 5

This is a tweak to FunkyKat's answer (big thank you FunkyKat!). It would probably be beneficial to not hardcode UIEdgeInsetsZero for future iOS compatibility.

Instead, I ask for the current inset value and tweak the bottom value as needed.

- (void)keyboardWillShow:(NSNotification *)sender {
    CGSize kbSize = [[[sender userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
    NSTimeInterval duration = [[[sender userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];

    CGFloat height = UIDeviceOrientationIsPortrait([[UIDevice currentDevice] orientation]) ? kbSize.height : kbSize.width;
    if (isIOS8()) height = kbSize.height;

    [UIView animateWithDuration:duration animations:^{
        UIEdgeInsets edgeInsets = [[self tableView] contentInset];
        edgeInsets.bottom = height;
        [[self tableView] setContentInset:edgeInsets];
        edgeInsets = [[self tableView] scrollIndicatorInsets];
        edgeInsets.bottom = height;
        [[self tableView] setScrollIndicatorInsets:edgeInsets];
    }];
}

- (void)keyboardWillHide:(NSNotification *)sender {
    NSTimeInterval duration = [[[sender userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];

    [UIView animateWithDuration:duration animations:^{
        UIEdgeInsets edgeInsets = [[self tableView] contentInset];
        edgeInsets.bottom = 0;
        [[self tableView] setContentInset:edgeInsets];
        edgeInsets = [[self tableView] scrollIndicatorInsets];
        edgeInsets.bottom = 0;
        [[self tableView] setScrollIndicatorInsets:edgeInsets];
    }];
}

Answer 6

My code. Maybe someone will be useful: Custom textField cell in tableView

.m

    @property (nonatomic, strong) UITextField *currentCellTextField;

       CustomCell * cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier2];
            if (cell == nil) {
                NSArray * nib = [[NSBundle mainBundle] loadNibNamed:@"CustomCell" owner:self options:nil];
                cell = (CustomCell *)[nib objectAtIndex:0];
                cell.textfield.delegate = self;
            }
      - (void) textFieldDidBeginEditing:(UITextField *)textField
 {
  self.currentCellTextField = textField;

  CGPoint pnt = [self.organisationTableView convertPoint:textField.bounds.origin fromView:textField];
  NSIndexPath* path = [self.organisationTableView indexPathForRowAtPoint:pnt];

if (path.section >= 2) {
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:0.3];
    self.organisationTableView.contentInset = UIEdgeInsetsMake(0, 0, kOFFSET_FOR_KEYBOARD, 0);
    CGPoint siize = self.organisationTableView.contentOffset;
    siize.y =(pnt.y-170);
    self.organisationTableView.contentOffset = CGPointMake(0, siize.y);
    [UIView commitAnimations];
    }
 }

  -(BOOL)textFieldShouldReturn:(UITextField *)textField
  {
   [textField resignFirstResponder];

CGPoint pnt = [self.organisationTableView convertPoint:textField.bounds.origin fromView:textField];
NSIndexPath* path = [self.organisationTableView indexPathForRowAtPoint:pnt];

 if (path.section >= 2) {
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:0.3];
    self.organisationTableView.contentInset = UIEdgeInsetsZero;
    self.organisationTableView.contentOffset = CGPointMake(0, self.organisationTableView.contentOffset.y);
    [UIView commitAnimations];
      }

 return YES;
   }