There are times that an app needs to transfer information from your device to the computer and vice versa, for example, you might be watching a movie on your iPad on your way home (assuming that you are not the driver), and then you will continue watching it on your computer.
For scenarios like this one, Apple has created a new technology called Handoff. The idea is simple: continue the task you are doing on another.
In this recipe, we will create an app where the user can start writing his opinion about a film on one device and check it on a Mac application.
The Handoff framework has software and hardware requirements. The software requirements are Xcode 6, iOS 8, and Mac OS X Yosemite (10.10). Therefore, make sure that your hardware is able to use all of these software versions (or higher). Unfortunately, Handoff can't be used with the simulator. Another software requirement is that both devices (the computer and your Apple mobile device) must be logged into...