Learn how to use the new Handoff API introduced in iOS 8 to allow users to continue their activities across different devices.
Handoff is a new feature in iOS 8 and OS X Yosemite. Handoff lets you continue an activity uninterrupted when you switch from one device to another – without the need to reconfigure either device.
You can add handoff feature to your iOS and OS X apps in iOS 8 and Yosemite. In this tutorial you’ll learn the basic workings of Handoff and how to use it on iOS with a non-document-based app.
Read full tutorial on raywenderlich.com