"System default" in default posting language refers to an incorrect language if UI language is set otherwise

[yudai-nkt]

My Tusky's UI is currently set to English but I'd like the default posting language to be Japanese because I mostly toot in that language. My phone's language is Japanese so I expect the system default in default posting language refers to Japanese but it actually doesn't. Language in toot composition pane is set to English.

Below is a reproduction screencast:

https://github.com/tuskyapp/Tusky/assets/13291527/e26ea71d-4e28-4ffc-830c-3dd499ffd9a9

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• Tusky Version: 22.0

• Android Version: 13

• Android Device: Google Pixel 7

• Mastodon instance (if applicable): N/A

• [x] I searched or browsed the repo’s other issues to ensure this is not a duplicate.

[Lakoja]

Can confirm this: If "Account preferences > Default posting language" is set to "System default" the posting language is always the language set under "Preferences > Language" (in Tusky).

[Lakoja]

Maybe @Tak wants to take a look?

In getInitialLanguages the "system default" seems to be the first of LocaleListCompat.getDefault()?

[Tak]

Sorry I missed this mention 😬, probably because I was on summer break at the time. I think we just need to change the wording ("system default") on the label. Maybe just "default"?

The order of priority is:

• language of the post you're replying to
• default posting language configured on the server (this is where OP should set japanese btw)
• default languages configured for this application in the android application settings (or Tusky Preferences / Language)
• default languages configured for the android at a system level