Record and replay a bag

Goal: record what the robot sees and look at it later on a computer.

1. Tap + → Bags.

2. Tap Record, choose the topics (or All) and tap Record again. The card shows the time, the number of messages, the size and the messages per topic.

3. Tap Stop. The recording appears in the list.

4. Share it to your computer and open it with Foxglove or with:

   ros2 bag info vizmini2_2026-10-09_12-30-05.mcap
   ros2 bag play vizmini2_2026-10-09_12-30-05.mcap
   

5. Or tap Play to publish it again from the phone (0.5×, 1× or 2×, with loop), for example to test RViz displays without the robot.