Self-updating screenshots

(interblah.net)

99 points | by bjhess 20 hours ago

14 comments

  • merelysounds 2 minutes ago
    It’s a popular automation target for mobile projects.

    App Stores require screenshots, but generating N images for NUMBER_OF_SCREEN_SIZES times NUMBER_OF_LOCALIZATIONS can be a chore.

    In the past I wrote my own scripts for that, today tools like Fastlane[1] help.

    I use Fastlane for my logic puzzle game Nonoverse[2], you can see sample screenshots in the App Store page.

    I also automated App Preview video recording, complete with multiple scenes. If anyone wants to read more let me know, perhaps this is a good topic for an article.

    [1]: https://fastlane.tools/

    [2]: https://apps.apple.com/us/app/nonoverse-nonogram-puzzles/id6...

  • CyberShadow 1 hour ago
    Same, I've added a .#screenshots derivation. High up-front effort but almost zero maintenance afterwards.

    Bonus: since you're generating screenshots programmatically anyway, you can generate a pair of each with your app's light/dark theme, and swap them in/out depending on prefers-color-scheme: dark. <picture> elements work in GitHub READMEs, too: https://github.com/CyberShadow/CyDo#readme

  • furyofantares 1 hour ago
    Very cool.

    For the small casual games I've been vibe coding, I always start from a place where the application has a CLI where it can run headless, rendering to offscreen texture, with a a screenshot command as well as performance instrumentation. It takes no time to include all this, and gives the agent a way to automate the ui and inspect important things. It also lets me trivially have the agent update screenshots.

    Not as neat as being part of the build process, but I will now add that.

    • _fzslm 20 minutes ago
      Would you mind sharing a link to some of these casual games? I ask cuz I'm also interested in how vibe coding can make game development easier.

      We had such a vibrant indie game scene when Adobe flash was about and since then nothing's really touched that level of ease of development. I think vibe coding is the first tool that actually exceeds it.

  • LeoDaVibeci 13 hours ago
    I've needed this so many times. BTW this should be a meme: "I think this might be the neatest thing I’ve built in X that nobody will ever notice."
  • kalb_almas 34 minutes ago
    I'm sometimes getting

    NoMethodError at /self-updating-screenshots undefined method `name' for nil:NilClass

    Ruby title-for: in handle, line 12 Web GET interblah.net/self-updating-screenshots

    followed by a very detailed traceback when I try to access the page

  • schneems 1 hour ago
    This is neat. I wrote https://github.com/zombocom/rundoc. It has a similar feature. The main driver is to produce tutorials so it also puts the output of commands run back in the document.
  • maderalabs 1 hour ago
    Nice! I actually started to build this exact thing a couple years back, and ended up abstracting it out to something more generic with https://picshift.io/. That said, I still love the screenshot use case - the original name of this project was ScreenSync ;)
  • efortis 17 hours ago
    same here, but linking to the screenshots used for pixel diffing, which get committed to the repo.

    https://github.com/ericfortis/mockaton/tree/main/pixaton-tes...

  • taspeotis 2 hours ago
    I’ve wondered about doing screenshots from the e2e test run, even keeping docs/ all together in the same repo so when you update the documentation and need a new screenshot you add a new test
  • est 1 hour ago
    I maintain an internal wiki, the contents were generated by each CI/CD and always reflects from latest running code.
  • 3eb7988a1663 1 hour ago
    shot-scraper is another project in this vein.

    https://github.com/simonw/shot-scraper

  • irishcoffee 1 hour ago
    I wrote a gui app once that ran on a safety-critical platform. I ended up stuffing a rendering of the gui (rendered offscreen) into shmem at I think 24hz, and rendered that screenshot into the safety critical application. I passed clicks (no typing for this gui) back from the statically rendered image updating on a cadence, to the offscreen GUI.

    Worked well. Not quite the same as this, but that’s what this reminds me of.

    • yjftsjthsd-h 30 minutes ago
      I don't think I follow. What is that giving you that you wouldn't get by just having the user click in the application and see its real interface directly? Or are you saying you were embedding one application inside another?
      • jfim 22 minutes ago
        My guess is that it's to ensure that the UI logic crashing or hanging doesn't bring down the safety critical process.
  • immanuwell 19 hours ago
    nice, embedding the capture instructions right in the markdown as comments is a dead-simple solution that'll age way better than any fancy external tooling
  • TranspectiveDev 1 minute ago
    [dead]