I want to make mobile control inteface in my robot .So I make a mobile application , but ros java did not install . When I try to install, I get the package not found error. $ sudo apt-get install ros-noetic-rosjava [sudo] password for abdulsamet: Reading package lists… Done Building dependency tree Reading state information… Done E: Unable to locate
Tag: ros
How to change Textview text in Activity from class that extends RelativeLayout
In my MainActivity I have one TextView. Now, inside other class that extend Relative Layout, I have implemented one MessageListener that (using onNewMessage method) recieve every second some values. I want to put this values inside my TextView that are in MainActivity. This is a simply example of my class: Thanks for help. Answer If you call this Class in