Hello, all ...
I'm trying to determine why my tableviews scroll so jerkily on non-3GS devices.
The datasource only has perhaps 170 records, so I think it may have something
to do with how i'm instantiating the cells in -tableView:cellForRowAtIndexPath.
In other apps i've done, I create the view for the cell programmatically, and
alloc / init the cell if I can't dequeue it. However, in this app, I have the
cell's view loaded from a XIB. Is there a better way of defining my cell's view
with IB that still results in a performant tableview?
- (UITableViewCell *)tableView:(UITableView *)tableViewIn
cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cellID = @"mycellID";
MyAppDelegate *appDelegate = (MyAppDelegate *)[[UIApplication
sharedApplication] delegate];
LogDailyCell *cell = (LogDailyCell *)[tableViewIn
dequeueReusableCellWithIdentifier:cellID];
if (nil == cell)
{
NSArray *nib = [[NSBundle mainBundle]
loadNibNamed:@"LogDailyCell"
owner:self options:nil];
for (id oneObject in nib)
{
if ([oneObject isKindOfClass:[LogDailyCell class]])
{
cell = (LogDailyCell *)oneObject;
break;
}
}
}
MyObject *act = nil;
switch(indexPath.section)
{
case 0:
act = [appDelegate array1ItemAtIndex:indexPath.row];
cell.type = 2;
break;
case 1:
act = [appDelegate array2ItemAtIndex:indexPath.row];
cell.type = 3;
break;
case 2:
act = [appDelegate array3ItemAtIndex:indexPath.row];
cell.type = 4;
break;
case 3:
act = [appDelegate array4ItemAtIndex:indexPath.row];
cell.type = 5;
break;
}
cell.name.text = act.name;
cell.label1.text = [NSString stringWithFormat:@"%i", act.anNSString];
cell.field1.text = @"";
cell.field2.text = @"";
cell.ident = indexPath.row;
[cell.deleteButton removeFromSuperview];
return cell;
}
Regards,
John
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