This is a diagram generated from an Objective C project on Github called DZNEmptyDataSet a drop-in UITableView/UICollectionView superclass category for showing empty datasets whenever the view has no content to display. This diagram looks at the AppDelegate and Application modules.
You can also play with Objective C code using the new UML fiddle pages.
Modules being visualised
List of repository modules/files being visualised in the above diagram: