O'Reilly logo

Cross-platform UI Development with Xamarin.Forms by Paul F. Johnson

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 9. Addressing the Issue

It would not be expected that Xamarin Forms would have access to the device-specific capabilities and facilities, such as the camera, audio, and GPS. Why would it? Xam. Forms is (as it has been said) a UI abstraction layer. The thing about any UI abstraction layer is that from time to time, it needs to render information from the platform to the user.

In this chapter, you will learn how to incorporate the system-specific address book in our app.

Addressing issues

There are two typical modes of operation for a messenger application:

  • Use only the contacts on your device
  • Use only the contacts on the service being used

The reasons for this are never clear, and with the exception of privacy concerns, there really should be ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required