Multilingual using URL parameter, App Text, & Option Sets

Hello everyone!

I just started learning Bubble a few weeks ago hoping to create our own multi-lingual app. I created a simple test app to make sure I understand how to get the multi-lingual function to work, but I’m running into a problem. I recorded a video to show you what I’ve done, so I’m hoping someone can point out what the problem is.
Just to provide additional background, I want to allow users to be able to switch to their language of choice without having to become a registered user, so I am using URL parameters to switch the language.

Thanks for your help!

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I see that you are familiar with how AppText works. Perhaps you can show a simple dropdown element to all your users to select their language of choice. Here an example in one of my apps:

You can test it live here:

Hi cmarchan,

Thanks for your suggestion.
I actually already show the language selections in the dropdown menu (see screenshot attached). For some reason the dropdown selections in the app are not visible to the video recording app ( What is interesting is, later in the video, when I change the Primary Language selection in the Language Settings page, the dropdown menu is visible there. So, it appears the video app cannot see dropdown created in the Bubble app, but can see dropdowns that are part of the Bubble tool. I’ve reported this as a bug to Loom. Hopefully it will be improved soon.
Best, Hiroki

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Carla from identified the cause and solved the problem!
In the key for the URL parameter, I was using uppercase “Lang”, but it needs to be all-lowercase “lang” for it to work correctly.
Screen Shot 2021-03-11 at 5.21.35 PM


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