Ok I don't know why this isn't working, but I have hooked up a tableView, with 19 items of text I'd like to set to each cell.
The cells populate just fine, but when I try and scroll, it goes down there and I can see the cells that aren't visible on the initial view, it hangs, and won't scroll down. It just snaps back. REALLY WEIRD!
What am I doing wrong?
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
// Return the number of sections.
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
// Return the number of rows in the section.
return 19;
}
// Customize the appearance of table view cells.
- (UITableViewCell *)tableView:(UITableView *)tView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
// Configure the cell...
if(indexPath.row == 0){
cell.textLabel.text = @"";
}else if(indexPath.row == 1){
cell.textLabel.text = @"";
}else if(indexPath.row == 2){
cell.textLabel.text = @"";
}else if(indexPath.row == 3){
cell.textLabel.text = @"";
}else if(indexPath.row == 4){
cell.indentationLevel = 2;
cell.textLabel.text = @"";
}else if(indexPath.row == 5){
cell.indentationLevel = 2;
cell.textLabel.text = @"";
}else if(indexPath.row == 6){
cell.indentationLevel = 2;
cell.textLabel.text = @"";
}else if(indexPath.row == 7){
cell.indentationLevel = 2;
cell.textLabel.text = @"";
}else if(indexPath.row == 8){
cell.indentationLevel = 2;
cell.textLabel.text = @"";
}else if(indexPath.row == 9){
cell.textLabel.text = @"";
}else if(indexPath.row == 10){
cell.textLabel.text = @"";
}else if(indexPath.row == 11){
cell.textLabel.text = @"";
}else if(indexPath.row == 12){
cell.textLabel.text = @"";
}else if(indexPath.row == 13){
cell.textLabel.text = @"";
}else if(indexPath.row == 14){
cell.textLabel.text = @"";
}else if(indexPath.row == 15){
cell.textLabel.text = @"";
}else if(indexPath.row == 16){
cell.textLabel.text = @"";
}else if(indexPath.row == 17){
cell.textLabel.text = @"";
}else if(indexPath.row == 18){
cell.textLabel.text = @"";
}
return cell;
}
For example, many developers make their life harder using a scroll view when a UITableView would be a better choice. Finally, architecture is crucial for table views. The code of the table view data source often ends inside view controllers when it should go into a separate class.
Table views are more versatile than you might think. For example, many developers make their life harder using a scroll view when a UITableView would be a better choice. Finally, architecture is crucial for table views.
Were you using a UITableViewController? One of the few things it does is call reloadData () on the table view. Now you have to do it yourself. Place it after you assign the data source to the table view.
When the user scrolls back to a row, the table view will request its data again. The tableView(_:numberOfRowsInSection:) method tells the table view how many elements a section contains. The table view uses this information to prepare its scrolling area and display a scroll bar of the appropriate size.
Decrease your tableView's height.
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