ROS Programming: Building Powerful Robots

Android-ROS publisher-subscriber application

You can first find the publisher-subscriber application with the name android_tutorial_pubsub-release.apk. Install it using the preceding procedure, and let's learn how we can work with it.

You can open the PubSub Tutorial application, and you'll see the following window marked 1:

Figure 30: PubSub Tutorial ROS-Android app

Assuming you have connected your Android device and ROS PC over Wi-Fi and in the same network, launch roscore on your ROS PC and note its IP too.

In the first window of the app, you have to provide the ROS_MASTER_URI. In that, you can replace the 'localhost' variable with your ...