Questions tagged [rosjava]
The rosjava tag has no usage guidance.
462
questions
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class sensor_msgs.CompressedImage, unresolved supertypes: org.ros.internal.message.Message> Task:app:buildInfoGeneratorDebug
I can't compile my Android Kotlin Project because I get the following 'Kotlin compiler' error when gradle compiles:
...
Tav_PG
0
votes
1
answer
2
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ROS Services working with ROSJava on Android
I have written an Android app. to control a squad of robots using ROSJava. I can create nodes, publish and subscribe to ROS topics, but I am having difficulty in connecting to ROS Services.
I have ...
Tav_PG
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1
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Rosjava subscriber doesn't get any data
I'm trying to use a rosbag as a topic publisher to receive the data on my phone and update the info I have on my app.
I've been looking around and I think the main issue is this console output:
...
luischd
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1
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2
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How would I take multiple values from a subscriber to output to RosTextViews?
So I'm making a Ros-Android App to get the gps position of the robot using the ublox gps package on the robot. I've got my RosTextViews set up for longitude, latitute, altitude and heading. So do I ...
AmanjotG
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1
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5
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High latency images messages
Hello everyone,
I have a system composed of a robot (android machine using rosjava) and a computer (roscore), both correctly synchronized. The robot publishes rgb-d images over WiFi. The computer ...
Rosbq
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1
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1
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Implement custom message in Android Studio
Hello,
at the moment I am developing an Android application that publishes data into a ROS environment. For this, I use rosandroid-core which is included with Maven from the following repository: ...
MrNicolas3003
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1
answer
1
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Android_Core MasterChooser Java Invalid Syntax Error
I am using the basic masterchooser built into the android rosjava_core and I am struggling to connect the robot to my phone. I receive this error:
Caused by: java.net.URISyntaxException: Illegal ...
iShauny
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1
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rosjava kinetic discussing with roscpp melodic
Hi,
During a test phase that we are currently putting in place, we have created a project that has ros running in a ROS-Docker (Melodic), in which we created some nodes using roscpp. We have been able ...
yyvus
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1
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1
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creating a Rosjava Service Client and Server end in failure
Hi everybody,
I tried to create a rosjava service following the instruction listed in: http://wiki.ros.org/rosjava_build_tools/Tutorials/indigo/UsingServices
Sadly I end up with following error at the ...
yaced
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1
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2
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How does mapping work on Android (ROSjava)?
Hello everyone,
I came across these sample applications for android : android_apps
There are three applications : make_a_map, map_manager, map_nav
I looked into the source code for make_a_map and ...
vvyogi
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1
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Need help with Cross Compiling libraries for ros android ndk
As described here ros_android_ndk, I am trying to cross compile some libraries for ros android ndk.
My first problem is that when i add new packages with rosfusion.py in the ndk.rosinstall and they ...
manster2209
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1
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android apk map manager "waiting for map list"
Hello,
Can you help me please?
I'm using the rosjava map manager tutorial (in this link https://github.com/DreamFly111/make_a_map ), i've installed the apk file and i'm able to connect with my robot. ...
Douma
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1
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1
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rosjava for javafx no maven (Kinetic)
Hi,
I am working on a research project and have been tasked with creating a gui app in java/javafx that will connect to the lab robot (ros master) over the network. We want to be able to have a ...
pulkitgupta1217
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1
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ros_android load plugins for move_base
concerning this tutorial: android_ndk_pluginlib
i set up my android robot with ros_android and everything is working so far including amcl.
But i cant get the plugins to work. The plugins i need are ...
manster2209
0
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1
answer
3
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org.ros.internal.message cannot be cast to std_msgs.String
I'm working recently with Rosjava Kinetic and I have some problems and doubts.
I have imported the project to Eclipse to mix it with another project that I have, called PELEA, composed of several ...
A.Grag
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1
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Tell me how to use parameter server with rosjava
I want to make parameter server with rosjava.
But I can not.
As far as I've looked up, I can not find the latest information on parameter server anywhere.
That's why I want you to help me
I want to ...
hamada
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1
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2
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ROS Master on android is throwing error while closing connection
I am running a public ROS master on an android phone and I am able to subscribe and publish to nodes (running on Android) side from PC.
It appears that whenever I close the existing connection (by ...
vvyogi
0
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1
answer
6
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Unable to publish to subscriber running on android
I am trying to debug a pub-sub node pair implemented on android (ROS-android). Following are the details:
ROS-Core is running locally on android. A publisher and a subscriber are also running on the ...
vvyogi
0
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1
answer
3
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Creating Rosjava Packages 4.2 Library Project (Jar) failed
Hi, I'm using ROS Kinetic on ubuntu 16.04. I'm following the rosjava tutorials 4.2 Library Project (Jar) (page: http://wiki.ros.org/rosjava_build_tools/Tutorials/indigo/Creating%20Rosjava%20Packages) ...
tlin40
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1
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can i use rosjava with linux(ubuntu) without android?
I am new to ROS. I intend to use rosjava (as i don't know C++) for robotics research. but according to what i have understood; rosjava was designed to be used with android.
could you explain a little ...
ZX SPECTRUM
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1
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Android ROS Message
I'm unsure where to turn to get help for my question, so I might try my luck here.
I am trying to send a message to a ROS via an Android Application. The message is the string "Hello World". ...
ByteMonster
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1
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Streaming baxter camera feed to phone using android app
So I'm making an app in android tor baxter and one of its features is the camera.
So what the camera activity does is, the user can select which camera it wants (left hand, right hand and head) and ...
fc23
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1
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0
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rosjava tutorial 4.2 failed
http://wiki.ros.org/rosjava_build_tools/Tutorials/indigo/Creating%20Rosjava%20Packages#Library_Project_.28Jar.29
I tried [4.2 Library Project (Jar)].
error by catkin_make
ubuntu@ubuntu:~$ cd src/...
ramekabi
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1
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[Solved](rosjava)catkin_create_rosjava_pkg: command not found
http://wiki.ros.org/rosjava_build_tools/Tutorials/indigo/Creating%20Rosjava%20Packages
I tried this.
ubuntu@ubuntu:~$ mkdir -p src<br>
ubuntu@ubuntu:~$ cd src
ubuntu@ubuntu:~/src$ ...
ramekabi
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1
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[Solved]failed catkin_make on rosjava
http://wiki.ros.org/rosjava/Tutorials/kinetic/Source%20Installation
I tried [3.1 Core Sources].
Errors on catkin_make.
This code block was moved to the following github gist:
https://gist.github....
ramekabi
0
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1
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4
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rosjava build error in kinetic: Could not find org.ros.rosjava_messages:tf:1.11.9
I am trying to update from ROS Indigo (and Ubuntu 14) to ROS Kinetic (and Ubuntu 16)
While my code builds under Indigo, when I try to do a catkin_make under Kinetic, I always get the same build ...
rbiro
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1
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7
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Developing with rosjava in Android Studio (Windows)
I need to develop a simple Android which is supposed to show some stats of a robot on the smartphone. I'd like to to this on a windows computer, and if I'm not mistaken that should be possible. ...
Kubi
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1
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rosjava publishing to a topic based on user input (button)
I have been playing around with rosjava now for a few days and it is great. I am able to connect my android phone to ros master over usb/wifi and have them publish/subscribe to one another.
What I am ...
agkhalil
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2
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8
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How to turn an android app to a ROS node
How do I write a android app like the android ROS teleop app? Do I have to use rosjava? Is there any open sourced project or not-outdated tutorials? What is the current state-of-art way to make a ...
rozoalex
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1
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2
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Adding an image publishing node to the android_tutorial_image_transport
Hi guys,
I am wondering about how to add an image publisher to original image_transport tutorial project in order to publish the images from Android camera?
Here are some ideas I've tried but have not ...
hulkbv
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1
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What is the status of the rosjava client library?
What is the usability of rosjava? It seems to still be in development and has been updated to kinetic, but much of the documentation and discussion around it seems to be a couple of years old. Would ...
msmcconnell
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1
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Will rosjava be supported on Lunar and future releases?
I found some articles on REST services using rosjava and would like to know the feasibility of this using the latest ROS releases and latest Ubuntu releases.
Per http://wiki.ros.org/rosjava, Lunar ...
coolbeans
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1
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2
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Difference between rosjava_core vs. rosjava vs. ros_jni
Hi, I'm new to ROS and kinda confused between rosjava_core, rosjava, and ros_jni. What are the differences and which one to pick for new development using Ubuntu 16.04 and Kinetic (or future release). ...
coolbeans
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1
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2
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Errors on catkin_make
Hello.
i'm trying to built some package in catkin_ws but the catkin_make gives me the following errors:
FAILURE: Build failed with an exception.
What went wrong:
A problem occurred configuring root ...
chri_io
0
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1
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1
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Official sbt [maven] set up for rosjava
I have been struggling setting up Scala access to ROS. This should normally work via rosjava, but I am struggling with build dependencies. This is the key part of the build.sbt file regarding ...
Andrzej Wasowski
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1
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2
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How to generate service .class files in rosjava?
I am new to ros and rosjava. I am going through basic tutrials of ros and rosjava. I have followed below steps.
Created a rosjava pakage.
mkdir -p myjava/src
cd myjava/src
catkin_create_rosjava_pkg ...
ysg
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1
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1
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how to subscribe a topic which is publishing a image using rosjava
can you explain how to subscribe a image coming from a camera?
Originally posted by vinay_kumar28 on ROS Answers with karma: 11 on 2017-02-28
Post score: 1
vinay_kumar28
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1
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rosjava ListenerGroup causes android memory leak
I have been developing an Android based application using rosjava and android_core dependencies. I have found an issue with the ListenerDispatch class leaking memory (specifically classes that extend ...
dambrosio
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1
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LaserScanLayer overlapping when I subscriber the topic “/scan”
First step:
In PC (Ubuntu 14.04) , I ssh to the kobuki and bring up it with this command line
roslaunch turtlebot_bringup minimal.launch --screen &
and then ...
Tony10012
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1
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2
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In ROSJava，how can i transform the 'odom' frame to 'map' frame?
I want to transform the 'odom' frame to the 'map' frame,but i do not know what i will do? In RosJava i saw a class "Transform".
...
Tony10012
0
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1
answer
2
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Rosjava ConnectException Eclipse without installing ROS
I'm running rosjava on Eclipse on a Mac without installing ROS, but just pulling in rosjava_core in my build.gradle, thinking this is possible after reading this tutorial http://wiki.ros.org/rosjava/...
couchwarrior
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1
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I need some orientation about ROS
Hello guys,
I'm starting learning ROS, because I have bought a drone and I want to programme it. My purpose is to develop a simple interface with Java, where I can send instructions to the drone (arm, ...
Antolinos95
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1
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3
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Running multiple subscribers in a ROS-android App
Hi,
I am trying to create a ROS-android app that contains two subscribers, each subscribing to two different publishers, publishing on two different topics, and on two different message types. I want ...
samiSH
0
votes
1
answer
4
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unresolved address when instantiating a service client on rosjava android
Hi,
I have roscore and turtlesim_node on an ubuntu running in virtualbox under windows10, and a rosjava android app. The android app is starting correctly, finding the master. I can see the ros graph ...
al
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1
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2
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Any up-to-date tutorial/instructions to setup rosjava in Android-Studio?
I find it difficult to setup the libraries to use rosjava from an android application. the information available at wiki.ros.org refers to a bunch of pages on rosjava an related stuff, but they seem ...
al
0
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1
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1
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Adding an external jar in Rosjava
I need to add an external jar in Rosjava. I noticed several references to a file manifest.xml in other questions that my package (catkin generated) does not have. I noticed that there's a package.xml ...
Pickman
0
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1
answer
3
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Easy way to host/upload to my own rosjava maven repo
Problem
I've created two repos
https://github.com/WPIRoboticsProjects/gripjava_messages
and
https://github.com/WPIRoboticsProjects/grip_msgs
I would like to publish java artifacts that are created by ...
Jlleitschuh
0
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1
answer
1
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ERROR: dependency [rosjava] cannot be found
Hello.
I fallowed this lecture that it make C++ file in eclipse.
So, he typed this command roscreate-pkg test roscpp.
But I try to make java project, so I use ...
0
votes
1
answer
2
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rosjava android AppCompatActivity
All,
I have been messing around with rosjava and android and have successfully built a Android application that communicates with ROS using rosjava (I will be posting it on my blog soon www.stratom....
dambrosio