March 2017
Intermediate to advanced
452 pages
8h 17m
English
Content preview from ROS Robotics ProjectsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Code walkthrough
Let's check out the Android-ROS application code for the basic publisher-subscriber app. You can get it from ~/android_core/android_tutorial_pubsub/src. You'll see a file called MainActiviy.java, and now I'll explain the code.
In the beginning of the code, you can see the package name and required Android modules for this application. The important modules are RosActivity and NodeConfiguration. These will help us create a new ROS node in an Android activity (https://developer.android.com/guide/components/activities.html).
package org.ros.android.android_tutorial_pubsub; import android.os.Bundle; import org.ros.android.MessageCallable; import org.ros.android.RosActivity; import org.ros.android.view.RosTextView; import org.ros.node.NodeConfiguration; ...
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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.