Various demos for different ways of transfering data through the new Watch Connectivity framework.
applicationContext: LastEmoji app - passes the last emoji selected by the user on the watch to the parent app
sendMessage: Watch Counter app - counter app on watch; allows user to save values to a table view on the parent app
transferFile: SendDogs app - passes an image stored in the watch extension to the parent app
For all of the messaging descriptions and when to use them, visit this page.