Bug 24956 - Region format advanced settings language sets CultureInfo incorrectly
Summary: Region format advanced settings language sets CultureInfo incorrectly
Alias: None
Product: iOS
Classification: Xamarin
Component: Xamarin.iOS.dll ()
Version: XI 8.4.0
Hardware: PC Mac OS
: Normal normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on:
Reported: 2014-12-01 10:59 UTC by Sami M. Kallio
Modified: 2015-01-05 07:51 UTC (History)
3 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Sami M. Kallio 2014-12-01 10:59:10 UTC
When one changes the advanced language option to something else than primary language the CultureInfo is now set to that language. To reproduce:

1) Set the primary language to A (for example to English)
2) Set the Advanced options:
   - Automatic OFF
   - Language to f.e. Finnish (this is for dates, times & numbers only)

At runtime print out culture info:





2014-12-01 10:55:09.663 CultureInfo[289:10285] fi-FI
2014-12-01 10:55:09.665 CultureInfo[289:10285] fi-FI
2014-12-01 10:55:09.667 CultureInfo[289:10285] fi-FI
Comment 1 Tajinder Singh 2014-12-29 04:26:19 UTC
We are able to reproduce the behavior as mentioned in bug description.

Screencast for this: http://www.screencast.com/t/v9po0FUPZkFs

Supplement Info:
IDE log: https://gist.github.com/anonymous/6b4d031af0210ec250f1

We need confirmation from the developer if this is a bug. Leaving as NEW for

Environment Info:
Xamarin Studio
Version 5.5.4 (build 15)
Installation UUID: 3d25a767-a003-4a7d-9f5e-e57987cf6cf0
	Mono 3.10.0 ((detached/92c4884)
	GTK+ 2.24.23 (Raleigh theme)

	Package version: 310000031

Apple Developer Tools
Xcode 6.1 (6602)
Build 6A1052c

Version: (Enterprise Edition)

Version: (Enterprise Edition)
Android SDK: /Users/mac360_xamarin/Library/Developer/Xamarin/android-sdk-macosx
	Supported Android versions:
		2.1   (API level 7)
		2.2   (API level 8)
		2.3   (API level 10)
		3.1   (API level 12)
		4.0.3 (API level 15)
		4.4   (API level 19)
		5.0   (API level 21)
Java SDK: /usr
java version "1.7.0_71"
Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)

Version: (Enterprise Edition)
Hash: 840a925
Build date: 2014-11-16 21:03:22-0500

Build Information
Release ID: 505040015
Git revision: f93940a35458a18052f1a25e106e62ca970d9c40
Build date: 2014-11-19 15:32:41-05
Xamarin addins: dc23cbd91a3a0e1d326328e1229e86c942a49ec8

Operating System
Mac OS X 10.10.0
Darwin mac360-xamarins-Mac-mini.local 14.0.0 Darwin Kernel Version 14.0.0
    Fri Sep 19 00:26:44 PDT 2014
    root:xnu-2782.1.97~2/RELEASE_X86_64 x86_64
Comment 2 Rolf Bjarne Kvinge [MSFT] 2015-01-05 07:51:43 UTC
According to MSDN, 'CurrentCulture' determines the default format for dates, times, numbers, etc, so as far as I can see the value is correct.

OTOH CurrentUICulture is supposed to selected UI language, and there we could probably have chosen a better default than the same as CurrentCulture.

However changing this now would be a breaking change, and the workaround is simple: you can change CurrentUICulture yourself to whatever you wish. You can use NSLocale.PreferredLanguages [0] like this:

     Thread.CurrentThread.CurrentUICulture = new CultureInfo (NSLocale.PreferredLanguages [0]);