iOS UItableviewCell clear old cell values - ios

Question

First of all sorry for asking this as I know there are a lot of questions which are similar to this. But so far nothing has worked for me. I have a table view with two buttons. On click of the button it loads two different custom cells. But I can't seem to clear out the old cell values no matter what I try. I have tried the prepareForReuse method to clear the old views but I end up with nothing displaying on the cells.
Here is the code that I am using.
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
if([[self.sections objectAtIndex:indexPath.section] count] > 0)
{
id object = [[self.sections objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
if (indexPath.section == self.sections.count-1)
{
if(self.CategoryButtonType == 0)
{
MediaListCarousel * cell = [self getMediaCellCarousel:object];
return cell;
}
else
{
NonMediaTableViewCell * cell = [self getNonMediaCell:object];
return cell;
}
}
else
{
//Do other stuff
}
}
return nil;
}
Here are the custom cells
-(NonMediaTableViewCell *)getNonMediaCell:(NSString *)name
{
NonMediaTableViewCell * cell = [self.tableView dequeueReusableCellWithIdentifier:nonmediaCellIdentifier];
if (cell == nil) {
cell = (NonMediaTableViewCell*)[VFHelper findCellWithClassName:[NonMediaTableViewCell class] nibName:#"NonMediaTableViewCell"];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
[cell setNonMediaWithPackageName:name
delegate:self];
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
return cell;
}
-(MediaListCarousel *)getMediaCellCarousel:(NSString *)name
{
MediaListCarousel * cell = [self.tableView dequeueReusableCellWithIdentifier:mediaCellIdentifier];
if (cell == nil) {
cell = (MediaListCarousel*)[VFHelper findCellWithClassName:[MediaListCarousel class] nibName:#"MediaListCarousel"];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
[cell setUp:name delegate:self];
[cell setSelectionStyle:UITableViewCellSelectionStyleNone];
return cell;
}
each of those custom cell has the prepareForReuse method as defined below.
- (void)prepareForReuse {
[super prepareForReuse];
// Clear contentView
BOOL hasContentView = [self.subviews containsObject:self.contentView];
if (hasContentView) {
for(UIView *subview in [self.contentView subviews])
{
[subview removeFromSuperview];
}
}
}
What happening when i add the removeFromSuperview in the prepareForReuse method I can empty view when I switch between the two views. If i dont use the prepareForReuse to remove the view I end up with views on top of each other when I click the different button. Can some one please help with this. Thanks in advance.
EDIT TO SHOW CUSTOM CELL CODE
-(void) getNonMediaCell:(NSString *)package
delegate:(NSObject <nonMediaCellDelegate> *)delegate
{
self.package = package;
[self loadValuefFromDB];
self.addonName = addonName;
_delegate = delegate;
[self.btnSeemore addTarget:self action:#selector(btnSeemoreClicked) forControlEvents:UIControlEventTouchUpInside];
if(_addons.isHidden)
{
_planDescTextView.hidden = YES;
_heightConstraintforPlanDescView.constant = 0;
_btnSeemore.imageView.transform = CGAffineTransformIdentity;
}
else
{
_planDescTextView.text = description;
CGSize neededSize = [_planDescTextView sizeThatFits:CGSizeMake(_planDescTextView.frame.size.width, CGFLOAT_MAX)];
_planDescTextView.hidden = NO;
_heightConstraintforPlanDescView.constant = neededSize.height + 5;
_btnSeemore.imageView.transform = CGAffineTransformMakeRotation(M_PI);
_btnSeemore.imageView.clipsToBounds = NO;
_btnSeemore.imageView.contentMode = UIViewContentModeCenter;
}
if(IsEmpty(addons.state))
{
_UIViewEntitlement.hidden = YES;
_UIViewBtnRepurchase.hidden = YES;
_seperatorView.hidden = YES;
[self resetCell];
[self setPriceLabelValue];
[self.purchaseBtn addTarget:self action:#selector(buttonClicked) forControlEvents:UIControlEventTouchUpInside];
self.purchaseBtn.accessibilityLabel = [NSString stringWithFormat:#"%#_Purcahse", addonName];
self.purchaseBtn.accessibilityValue = [NSString stringWithFormat:#"%#_Purcahse", addonName];
self.purchaseBtn.accessibilityIdentifier = [NSString stringWithFormat:#"%#_Purcahse", addonName];
self.recurringIndicatorImageView.hidden = NO;
[self addOnRecurringIndicatorImages];
}
else
{
_UIViewEntitlement.hidden = NO;
UIView *headerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.frame.size.width, 20)];
VFAddonPlanentitlementCell * cell = (VFAddonPlanentitlementCell*)[VFHelper findCellWithClassName:[VFAddonPlanentitlementCell class] nibName:#"VFAddonPlanentitlementCell"];
[cell setFrame:CGRectMake(0, 0, self.frame.size.width, 20)];
if(!IsEmpty(_addons.remainingDays))
{
if(recurring || allowCancel)
{
if([[_addons.state uppercaseString] isEqualToString:#"ONHOLD"])
{
[cell setDaysRemainingColorWithTitleOnHold:#"Renews" daysRemainings:[_addons.remainingDays stringValue]];
}
else
{
[cell setRemainingColorWithTitle:#"Renews" daysRemainings:[_addons.remainingDays stringValue]];
}
}
else
{
[cell setDaysRemainingColorWithTitle:#"Time left" daysRemainings:[_addons.remainingDays stringValue]];
}
[headerView addSubview:cell];
}
[_UIViewEntitlement addSubview:headerView];
}
}

Answer 1

try this
-(void) getNonMediaCell:(NSString *)package
delegate:(NSObject <nonMediaCellDelegate> *)delegate
{
.....//other code
UIView *headerView = [_UIViewEntitlement viewWithTag:12345];
if(headerView == nil) {
headerView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.frame.size.width, 20)];
[headerView setTag:12345];//set tag
} else {
NSLog(#"headerView already exist");
}
//set values
.....//other code
}
and in reuse method
- (void)prepareForReuse {
[super prepareForReuse];
UIView *header = [_UIViewEntitlement viewWithTag:12345];//use same tag
[header removeFromSuperview];
}
if you are creating and adding multiple views programatically, then set tag to each views and remove those in reuse by accessing it with same tag value.