December 2014
Beginner to intermediate
240 pages
6h 54m
English
book
Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps
by Derek Walter, Mark Sherman
Content preview from Learning MIT App Inventor: A Hands-On Guide to Building Your Own Android Apps
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Summary
Sensors play an important part in app development because they allow the device to interact with location and data. Using sensors opens up many different opportunities in the kind of apps you can build and how they function.
The Location Sensor gives you the power of the GPS chip and other location data, which can be used, saved, and displayed. Visualizing a point on a map is easy using the Activity Starter.
The Accelerometer Sensor measures acceleration from motion and gravity and can be used to detect shaking as well as specific motions. It can approximate tilt because gravity is always accelerating the device (and everything else) downward.
The Orientation Sensor gives direct access to the phone’s understanding of tilt, on two axes ...
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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.
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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.