[i18n] Unknown error is unlocalized

[guey27]

Reporter: Kamada

App Version: 3.2.6
Server Version: 2.9.6

Device: iPhone 7 plus (with SIM)
OS: iOS 11.0.3
Browsers: iOS app

Steps to reproduce:

1. On system settings, turn off Wi-Fi.
2. Launch TC iOS app.

Current Behaviour:

• Error message is unlocalized.
  "An unknown error occurred, please try again."

Expected Behaviour:

• It should be shown in Japanese.
  "原因の分からないエラーが発生しています。再度試して下さい。"

Error in console:

• There is no console on iOS app.

[SimeonC]

Also translate message in #27

[nnishimura]

@SimeonC Can we translate error message? we have the same issue reported on ts_ember
https://gitlab.kkvesper.net/frontend/ts_ember/issues/6015

also needs to discuss with you on how we should do it

[SimeonC]

The conclusion last time was that there isn't a reliable way of detecting this, we don't have any translations here and the "reload icon" is universal so people should get the idea.

[nnishimura]

on ts-ember we use browserLanguages = navigator.languages or [navigator.language or navigator.userLanguage]. Anyways this will be low-priority, thank you.