我试图在用户界面上添加按钮，但发现了this解决方案。我已经从github克隆了存储库，然后运行
sudo apt-get install ros-kinetic-jsk-common。但是，当我这样做时，出现以下错误：
Err:1 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-audio-common-msgs amd64 0.3.3-0xenial-20180824-084017-0800
404 Not Found [IP: 64.50.233.100 80]
Err:2 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-dynamic-tf-publisher amd64 2.2.10-0xenial-20190320-170037-0800
404 Not Found [IP: 64.50.233.100 80]
Err:3 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-image-view2 amd64 2.2.10-0xenial-20190320-183139-0800
404 Not Found [IP: 64.50.233.100 80]
Err:4 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-jsk-network-tools amd64 2.2.10-0xenial-20190320-145042-0800
404 Not Found [IP: 64.50.233.100 80]
Err:5 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-multisense-lib amd64 4.0.0-0xenial-20190320-182334-0800
404 Not Found [IP: 64.50.233.100 80]
Err:6 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-laser-proc amd64 0.1.4-0xenial-20190320-142622-0800
404 Not Found [IP: 64.50.233.100 80]
Err:7 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-urg-c amd64 1.0.405-0xenial-20180809-134743-0800
404 Not Found [IP: 64.50.233.100 80]
Err:8 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-urg-node amd64 0.1.11-0xenial-20190320-160151-0800
404 Not Found [IP: 64.50.233.100 80]
Err:9 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-jsk-tilt-laser amd64 2.2.10-0xenial-20190320-183353-0800
404 Not Found [IP: 64.50.233.100 80]
Err:10 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-jsk-gui-msgs amd64 4.3.1-0xenial-20190320-173901-0800
404 Not Found [IP: 64.50.233.100 80]
Err:11 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-sound-play amd64 0.3.3-0xenial-20190320-153739-0800
404 Not Found [IP: 64.50.233.100 80]
Err:12 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-jsk-topic-tools amd64 2.2.10-0xenial-20190320-170938-0800
404 Not Found [IP: 64.50.233.100 80]
Err:13 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-rosemacs amd64 0.4.12-0xenial-20180809-141217-0800
404 Not Found [IP: 64.50.233.100 80]
Err:14 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-jsk-tools amd64 2.2.10-0xenial-20190320-174800-0800
404 Not Found [IP: 64.50.233.100 80]
Err:15 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-map-server amd64 1.14.4-0xenial-20190320-132743-0800
404 Not Found [IP: 64.50.233.100 80]
Err:16 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-multi-map-server amd64 2.2.10-0xenial-20190320-175406-0800
404 Not Found [IP: 64.50.233.100 80]
Err:17 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-virtual-force-publisher amd64 2.2.10-0xenial-20190320-171520-0800
404 Not Found [IP: 64.50.233.100 80]
Err:18 http://packages.ros.org/ros/ubuntu xenial/main amd64 ros-kinetic-jsk-common amd64 2.2.10-0xenial-20190320-200615-0800
404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-audio-common-msgs/ros-kinetic-audio-common-msgs_0.3.3-0xenial-20180824-084017-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-dynamic-tf-publisher/ros-kinetic-dynamic-tf-publisher_2.2.10-0xenial-20190320-170037-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-image-view2/ros-kinetic-image-view2_2.2.10-0xenial-20190320-183139-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-jsk-network-tools/ros-kinetic-jsk-network-tools_2.2.10-0xenial-20190320-145042-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-multisense-lib/ros-kinetic-multisense-lib_4.0.0-0xenial-20190320-182334-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-laser-proc/ros-kinetic-laser-proc_0.1.4-0xenial-20190320-142622-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-urg-c/ros-kinetic-urg-c_1.0.405-0xenial-20180809-134743-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-urg-node/ros-kinetic-urg-node_0.1.11-0xenial-20190320-160151-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-jsk-tilt-laser/ros-kinetic-jsk-tilt-laser_2.2.10-0xenial-20190320-183353-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-jsk-gui-msgs/ros-kinetic-jsk-gui-msgs_4.3.1-0xenial-20190320-173901-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-sound-play/ros-kinetic-sound-play_0.3.3-0xenial-20190320-153739-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-jsk-topic-tools/ros-kinetic-jsk-topic-tools_2.2.10-0xenial-20190320-170938-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-rosemacs/ros-kinetic-rosemacs_0.4.12-0xenial-20180809-141217-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-jsk-tools/ros-kinetic-jsk-tools_2.2.10-0xenial-20190320-174800-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-map-server/ros-kinetic-map-server_1.14.4-0xenial-20190320-132743-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-multi-map-server/ros-kinetic-multi-map-server_2.2.10-0xenial-20190320-175406-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-virtual-force-publisher/ros-kinetic-virtual-force-publisher_2.2.10-0xenial-20190320-171520-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
E: Failed to fetch http://packages.ros.org/ros/ubuntu/pool/main/r/ros-kinetic-jsk-common/ros-kinetic-jsk-common_2.2.10-0xenial-20190320-200615-0800_amd64.deb 404 Not Found [IP: 64.50.233.100 80]
任何人都能够成功下载并使用此软件包。同样，如果有人有另一种方法可以将按钮放入rqt，这也足够了。我正在使用ros动力学和ubunto 16.04。谢谢任何能帮助我的人。