语言环境无法在Kotlin 1.4.0的AndroidX中使用

编程问答 2022-08-11

问题描述

我的代码在Java上运行良好，并且当我重构为Kotlin时，它不再更改语言环境。

这是在Application类中声明的函数，我通过传递诸如setLanguageByLocale（“ ar”）之类的语言环境字符串来调用此函数 然后我重新开始活动

fun setLanguageByLocale(language: String?) {
            val locale = Locale(language)
            Locale.setDefault(locale)
            val config = myApplication?.resources?.configuration
            config?.setLocale(locale)
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                config?.setLocales(LocaleList(locale))
            }
            myApplication?.resources?.updateConfiguration(config,myApplication!!.resources.displayMetrics)
            val context: Context ?= myApplication?.createConfigurationContext(config!!)
            val sharedPreferences = myApplication!!.getSharedPreferences(Utils.preferences,MODE_PRIVATE)
            val editor = sharedPreferences.edit()
            editor.putString(Utils.locale,language)
            editor.apply()
        }

这是我的自定义上下文说唱歌手类

class MyContextwrapper(base: Context?) : Contextwrapper(base) {
    companion object {
        @JvmStatic
        fun wrap(contextB: Context,newLocale: Locale?): Contextwrapper {
            var context = contextB
            val res = context.resources
            val configuration = res.configuration
            when {
                Build.VERSION.SDK_INT >= Build.VERSION_CODES.N -> {
                    configuration.setLocale(newLocale)
                    val localeList = LocaleList(newLocale)
                    LocaleList.setDefault(localeList)
                    configuration.setLocale(newLocale)
                    configuration.setLocales( localeList)
                    configuration.setLayoutDirection(newLocale)
                    context = context.createConfigurationContext(configuration)
                    res.updateConfiguration(configuration,res.displayMetrics)
                }
                Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 -> {
                    configuration.setLocale(newLocale)
                    context = context.createConfigurationContext(configuration)
                }
                else -> {
                    configuration.setLocale(newLocale)
                    res.updateConfiguration(configuration,res.displayMetrics)
                }
            }
            return Contextwrapper(context)
        }
    }
}

在MainActivity中，我重写了两种方法

    override fun attachBaseContext(newBase: Context) {
        val locale = Utils.getLocale(newBase)
        Locale.setDefault(locale)
        super.attachBaseContext(MyContextwrapper.wrap(newBase,locale))
    }

    override fun applyOverrideConfiguration(overrideConfiguration: Configuration?) {
        if (overrideConfiguration != null) {
            val uiMode = overrideConfiguration.uiMode
            val locale = Utils.getLocale(this)
            Locale.setDefault(locale)
            overrideConfiguration.setLocale(locale)
            overrideConfiguration.setLayoutDirection(locale)
            overrideConfiguration.setTo(baseContext.resources.configuration)
            overrideConfiguration.uiMode = uiMode
        }
        super.applyOverrideConfiguration(overrideConfiguration)
    }

我有默认设置的strings.xml和用于区域设置的strings.xml

我正在使用implementation 'androidx.appcompat:appcompat:1.2.0'

解决方法

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androidandroidandroid-studiokotlinkotlinkotlinlocalelocalelocalization