February 2014
Intermediate to advanced
1560 pages
50h 21m
English
Content preview from Professional C# 5.0 and .NET 4.5.1
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Chapter 39Windows Store Apps: Contracts and Devices
WHAT’S IN THIS CHAPTER?
- Searching
- Sharing
- Camera
- Geolocation
- Sensors
WROX.COM CODE DOWNLOADS FOR THIS CHAPTER
The wrox.com code downloads for this chapter are found at http://www.wrox.com/go/procsharp on the Download Code tab. The code for this chapter contains one big sample that shows the various aspects of this chapter:
- Menu Card
- Camera Sample
- Geolocation Sample
- Sensor Sample
- Rolling Marble
OVERVIEW
The previous chapter introduced you to UI elements for Windows Store apps, and used the API of the Windows Runtime to read and write data. This chapter continues from there to add search features, allows integration of different apps by using share contracts, and makes use of many different devices such as the camera to take pictures and record videos, get the location information from the user, and get information about how the user moves the device by using several sensors such as accelerometer and inclinometer.
Let’s start with searching that changed a lot between Windows 8 and Windows 8.1.
SEARCHING
With Windows 8, search for Windows Store apps was usually done with the Search contract. Searching in apps was started by opening the Charms bar. The issue with that was users had a hard finding out if the app supports searching. Windows 8.1 changed this in that apps that support searching time use a new SearchBox control on the UI.
The sample app from the previous chapter, Menu Card, is extended with search functionality. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.