April 2015
Beginner to intermediate
494 pages
10h 26m
English
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Summary
In this chapter, we saw how to make Java communicate with C/C++. Android is now almost bilingual! Java can call C/C++ code with any type of data or object.
We first initialized a native JNI library using the JNI_OnLoad hook. Then, we converted Java Strings inside native code and saw the difference between Modified UTF-8 and UTF-16 character encoding. We also passed Java primitives to native code. Each of these primitives has their C/C++ equivalent type they can be cast to.
We also handled Java object references in native code using Global references and learned the difference between these and Local references. The first must be carefully deleted to ensure proper garbage collection, while the latter has native method scope and must be managed ...
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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.
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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.