如何更改整个应用程序语言? [英] How to change the whole application language?

问题描述

我正在制作一个想要在其中显示语言选择页面的页面的应用程序.到目前为止，我已将英语，北印度语和马拉地语包括在内，并且将英语设置为默认语言.

I am making an app in which I want to have a page where I show a language selection page. So far I've included English, Hindi, and Marat with English set as the default.

我的问题是:

1. 如何在所选语言"中更改整个应用程序语言?

1. how to change the whole application language in Selected Language?

选择语言之后，只要我重新打开应用程序，它就会使用先前选择的语言?

After choose the language whenever I reopen the application its give previous chosen language?

推荐答案

将所有文本放入String文件.为每种语言创建单独的字符串文件(Deutsch values-de/strings.xml，法语values-fr/strings.xml) 并且当您需要更改语言调用跟踪功能时.对于英语，为另一组对应的键设置"en"

Put your all text in String file. For each language create separate String file(Deutsch values-de/strings.xml, French values-fr/strings.xml) and while you need to change language call following function. For English language set "en" for another set corresponding key

#Kotlin

val config = resources.configuration
val locale = Locale("en")
Locale.setDefault(locale)
config.locale = locale
resources.updateConfiguration(config, resources.displayMetrics)

#Android Java

#Android Java

Configuration config = getBaseContext().getResources().getConfiguration();
 Locale locale = new Locale("en");
 Locale.setDefault(locale);
 config.locale = locale;
 getBaseContext().getResources().updateConfiguration(config, 
            getBaseContext().getResources().getDisplayMetrics());

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