What's the difference between data source and delegate?

Question

I have a fundamental question related to Cocoa frameworks design patterns.

What\'s the difference between delegate and data source?

Both of them cou

Answer 1

To make it short:

Delegate relates to the UI and User actions against the cells and table.

common methods: willSelectRow, didSelectRow, willDisplay, heightForRow, willBeginEditingAt

Data Source deals with the editing, population and displaying of data on the tableview.

common methods canEditRowAt, commit, titleForHeaderInSection, cellForRowAt, numberOfSections, sectionIndexTitles