Spotlight is the system-wide search function of iOS. In iOS9 it is possible
to index the content of an app inside Spotlight using the CoreSpotlight
API. In this tutorial the text of a Text Field will be indexed inside
Spotlight. This tutorial is made with Xcode 7 and built for iOS 9.
IOS 9 introduces reordering of Collection View Cells. This is enabled by
default, selecting a cell with a long press enables the user to reorder the
cells. All that's needed is to update your data model. In this tutorial we
will display some cells containing alphabet letters, these cells can be
easily reordered. This tutorial is made for iOS 9 with Xcode 7.