What does the delegate of a uitableview object do?

The delegate of a UITableView object must adopt the UITableViewDelegate protocol. Optional methods of the protocol allow the delegate to manage selections, configure section headings and footers, help to delete and reorder cells, and perform other actions.
Accordingly, what's the difference between DataSource and delegate in UITableView?
The datasource is generally an array and you would use the row property that is accessible through the indexPath argument. A UITableViewDelegate doesn’t really need to be implemented, but it will depend on how you want your table view to react to input from the user.
Next, what is the purpose of the uitableviewsource object? A UITableViewSource object is responsible for managing the relationship between the relatively few UITableViewCell s and the data is to be displayed. The UITableViewSource 's NumberOfSections (UITableView) and RowsInSection (UITableView, nint) methods allow the UITableView to request only the data necessary for the cells on the screen.
One may also ask, which is an optional method in uitableviewdelegate protocol?
This method is an optional method of the UITableViewDelegate protocol. All methods in the UITableViewDelegate protocol as optional. In the implementation we call the selectedCell method when we tap the cell. When the user taps the cell it will pass the indexPath.row as an argument to the selectedCell method.
Moreover, how does the number ofsections method in UITableView work?
The UITableViewSource 's NumberOfSections (UITableView) and RowsInSection (UITableView, nint) methods allow the UITableView to request only the data necessary for the cells on the screen. A specific cell is identified by an NSIndexPath, whose Section and Row properties will specify a unique cell.

4 Similar Question Found

Is there a way to scroll vertically with uitableview?

If you look at the documentation of the UITableView class, you will see that it descends from UIScrollView. It might look like table views are made only to manage repeating elements. In reality, though they are the right choice for almost any screen that needs to scroll vertically.

Which is better uicollectionview or uitableview in ios?

In WWDC 2020, Apple pushes the usability of UICollectionView to the next level by introducing the list layout in UICollectionView. By using the new features and APIs given to UICollectionView in iOS14, it is now super easy to build a UITableView -like list, making it arguably the better option when compared to UITableView.

Is there way to customize size of uitableview?

For a long time, a big challenge for iOS developers was custom heights and sizes for UITableView and also UICollectionView Cells. There were ways to achieve this such as ‘ Auto Layout ’, but they were ‘hacky’ and not fully implemented.

How does a uitableview work in an app?

UITableView manages the basic appearance of the table, but your app provides the cells ( UITableViewCell objects) that display the actual content. The standard cell configurations display a simple combination of text and images, but you can define custom cells that display any content you want.