MvvmCross本地化:在运行时切换 [英] MvvmCross localization: switch at runtime
问题描述
是否可以在运行时将当前语言更改为另一种语言?
Is there a way to change the current language to another one at runtime ?
例如:能够在单击按钮或启动应用程序时进行切换，获取用户语言并进行切换.
For example: be able to switch when a button is clicked or when starting the app, get the user language and switch.
如何在启动时告诉插件检查用户语言?
How to tell the plugin to check the user language at startup ?
预先感谢您的帮助.
推荐答案
是否可以在运行时将当前语言更改为另一种语言?
Is there a way to change the current language to another one at runtime ?
是，在您的
yes, call builder.LoadResources(whichLanguage) on your MvxTextProviderBuilder.cs
例如:能够在单击按钮时进行切换
For example: be able to switch when a button is clicked
实际上没有设置UI框架来实时执行切换.当您在语言之间切换时，新的JSON资源文件将全部加载正常-但现有的显示文本不会更新.这有点像大多数移动操作系统-如果要切换语言，通常需要重新启动！
The UI framework isn't really setup to perform switching live. When you switch between languages then the new JSON resource files will all be loaded OK - but existing displayed text will not be updated. This is a bit like most mobile operating systems - if you want to switch language you often need to reboot!
如果要添加动态切换，则必须找到一种方法来告诉UI完全刷新所有文本-我怀疑这样做并不难，但是可能需要在每个页面上进行一些手动编码/view已经创建并显示:/
If you wanted to add dynamic switching then you'd have to find a way to tell the UI to completely refresh all text - I suspect this wouldn't be hard to do, but it might require some manual coding on every page/View which has already been created and displayed :/
或启动应用程序时，获取用户语言并进行切换.
or when starting the app, get the user language and switch.
这是执行i18n的更直接的方法.通常可以，因为MvvmCross主要针对手机-手机通常是单用户设备，不会经常切换语言.
This is a much more straight-forward way to do i18n. It's normally OK because MvvmCross mainly targets phones - and phones are normally single user devices which don't switch languages very often.
-
例如，您可以使用一些变量(例如
System.Globalization.CultureInfo.CurrentUICulture)来确定显示的最佳语言.
You could, for example, use some variable (e.g.
System.Globalization.CultureInfo.CurrentUICulture) to work out the best language to display.
或者您在加载时检测用户是否选择了一种语言-如果有，则显示HomeViewModel-如果他们没有然后显示LanguagePickerViewModel-这是我们在StarWarsKinect中所做的- StartNavigationObject是执行此类逻辑的理想场所！
Or you detect on load whether the user has picked a language yet - if they have, then show HomeViewModel - if they haven't then show a LanguagePickerViewModel - this is what we did in StarWarsKinect - the StartNavigationObject is a perfect place for this sort of logic!
如何在启动时告诉插件检查用户语言?
How to tell the plugin to check the user language at startup ?
当前，您必须在应用启动时对此逻辑进行编码.
Currently, you'll have to code this logic as part of your app startup.
我绝对愿意为此提供改进的插件-也许带有演示！
I'd definitely be open to providing an improved plugin on this - perhaps with a demo!
如果您正在查看i18n，那么可以考虑采用另一种实现方式是Vernacular-Rdio的团队为Mono和MS平台提供了非常好的产品-
If you are looking at i18n, then one alternative implementation to consider is Vernacular - the team at Rdio have a very good offering for Mono and MS platforms - https://github.com/rdio/vernacular
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