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QR codes that route to the appropriate app store

18 points · 9 comments · matthuggins

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Tiberium · 1790268130 · focus · HN ↗
Is this a whole blog post for a simple backend that just routes based on the User-Agent?
1. ericpauley · 1790268259 · focus · HN ↗
  Believe it or not there are entire companies that are (to simplify, of course) just that: <a href="https://www.adjust.com/" rel="nofollow">https://www.adjust.com/
2. matthuggins · 1790269506 · focus · HN ↗
  Yep, that's what it is.
Svoka · 1790268271 · focus · HN ↗
I thought it was something clever, but it shows as URL which redirects from browser to App Store, after two several tabs.
TL;DR: it is HTTP redirect based on User-Agent header
arccy · 1790268288 · focus · HN ↗
it's just a server side redirect based on the user agent headers
m4tthumphrey · 1790268540 · focus · HN ↗
Err wut... redirecting based on user agents?
MengerSponge · 1790268984 · focus · HN ↗
I hate QR codes. I don't trust them.
1. _imnothere · 1790406756 · focus · HN ↗
  Use a standalone app to scan it, inspect the URL before open, easy as that.
  1. MengerSponge · 1790868917 · focus · HN ↗
    But you see how that sucks, right?
elendilm · 1790269462 · focus · HN ↗
For our apps Slyp and SlypBusiness, we had the same QR code for each app open Playstore/Appstore page of the app depending on the phone.
Just have a branded link to the official web page and have the js in that page open the original Playstore/Appstore page.
classictraffic · 1790269715 · focus · HN ↗
I agree with the other commenters that this is a pretty simple engineering problem, but I still enjoyed reading about edge cases the author worked to address (they could have taken the easy road with this but tried not to). I forgot that Safari on iPad doesn't specify iPad in user agent headers
sophie2003 · 1790607214 · focus · HN ↗
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