Cant able to reuse custom cells in table view - iphone

Question

I created a custom cell which contains a label and textfield.I am using this custom cell in table view. When i enter the data in text field and when i scroll the view my data is getting replaced.For every scroll it getting replaced/erased.Any one tell me where i am doing mistake.
My custom cell code goes here.Thanks!
-(UITableViewCell *)returnCellForEach:(UITableView *)tableView
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Identifier"];
if (cell == nil)
{
[[NSBundle mainBundle] loadNibNamed:#"CustomCellToAddDetails" owner:self options:nil];
cell = customCell;
// customCell = nil;
customLabel = (UILabel *)[customCell.contentView viewWithTag:100];
}
return cell;
}
-(UITextField *)dataField
{
UITextField *textField = customField;
return textField;
}

Answer 1

You will need to store the data input by user somewhere related to particular indexpath and When you scroll through the cells you will first need to check if there is any dataObject corresponding to that indexpath and accordingly set the data. You can use a dictionary to store your data corresponding to particular cell. Hope it helps

Answer 2

I am not familiar with the method names that you are using, in my case I needed to create a custom Table view Cell Class outside the tableview class,
the class is called QRTYPECELL and following are the relevant codes:
#implementation QRTypeCell
#synthesize imageView;
#synthesize labelview;
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
// Initialization code
imageView = nil;
labelview= nil;
imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0,0,30,30)];
imageView.contentMode = UIViewContentModeCenter;
[self.contentView addSubview:imageView];
self.contentView.backgroundColor = [UIColor blackColor];
UILabel *label = [[UILabel alloc] initWithFrame:CGRectZero];
label.textColor = [UIColor greenColor];
label.backgroundColor = [UIColor blackColor];
label.font = [UIFont systemFontOfSize:17];
self.labelview = label;
[self.contentView addSubview:label];
}
return self;}
And then in the TableView Class:
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
QRTypeCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[QRTypeCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];}
CurrentQRCode = (QRCode *)[fetchedResultsController objectAtIndexPath:indexPath];
NSString *icon = CurrentQRCode.parsed_icon;
NSString *string = CurrentQRCode.parsed_string;
cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
NSString *filePath = [[NSBundle mainBundle] pathForResource:icon ofType:#"png"];
UIImage *image_file = [UIImage imageWithContentsOfFile:filePath];

Answer 3

in IB you see a Identifier field place any value in that and use that value as a reuse Identifier.
i think this will helps you.

Answer 4

ok i got it did you create class for customCell and replace this line
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Identifier"];
with
CustomCell *customCell=(CustomCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];