feat: 添加未上传的文件

NLiteAVDemo-Android-Java/call-ui/src/main/java/com/netease/yunxin/nertc/ui/base/MultiLanguageHelper.kt

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2022 NetEase, Inc. All rights reserved.
+ * Use of this source code is governed by a MIT license that can be
+ * found in the LICENSE file.
+ */
+
+package com.netease.yunxin.nertc.ui.base
+
+import android.app.Application
+import android.content.Context
+import android.content.res.Configuration
+import android.content.res.Resources
+import android.os.Build
+import androidx.appcompat.view.ContextThemeWrapper
+import com.netease.yunxin.nertc.ui.R
+import java.util.Locale
+
+object MultiLanguageHelper {
+
+    var currentLanguage: String = Locale.getDefault().language
+
+    fun changeContextLocale(context: Context): Context {
+        return changeLanguage(context, currentLanguage)
+    }
+
+    fun changeLanguage(context: Context, language: String): Context {
+        var ctx = context
+        currentLanguage = language
+        val locale: Locale = getLocale(language)
+        Locale.setDefault(locale)
+
+        // 在非application切换语言同时切换掉applicant
+        if (ctx !is Application) {
+            val appContext = ctx.applicationContext
+            updateConfiguration(appContext, locale, language)
+        }
+        ctx = updateConfiguration(context, locale, language)
+        val configuration = context.resources.configuration
+        // 兼容appcompat 1.2.0后切换语言失效问题
+        return object : ContextThemeWrapper(ctx, R.style.Base_Theme_AppCompat_Empty) {
+            override fun applyOverrideConfiguration(overrideConfiguration: Configuration?) {
+                overrideConfiguration?.setTo(configuration)
+                super.applyOverrideConfiguration(overrideConfiguration)
+            }
+        }
+    }
+
+    private fun updateConfiguration(context: Context, locale: Locale, language: String): Context {
+        var ctx = context
+        val resources = ctx.resources
+        val configuration = resources.configuration
+        val displayMetrics = resources.displayMetrics
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            configuration.setLocale(locale)
+            ctx = ctx.createConfigurationContext(configuration)
+        } else {
+            configuration.locale = locale
+        }
+        resources.updateConfiguration(configuration, displayMetrics)
+        ctx.getSharedPreferences("multi_language", Context.MODE_PRIVATE)
+            .edit()
+            .putString("language_type", language)
+            .apply()
+        return ctx
+    }
+
+    private fun getLocale(language: String): Locale {
+        when (language) {
+            // 跟随系统
+            LanguageType.LANGUAGE_SYSTEM -> return getLocalWithVersion(
+                Resources.getSystem().configuration
+            )
+            // 英文
+            LanguageType.LANGUAGE_EN -> return Locale.US
+            // 简体中文
+            LanguageType.LANGUAGE_ZH_CN -> return Locale.SIMPLIFIED_CHINESE
+        }
+        return getLocalWithVersion(Resources.getSystem().configuration)
+    }
+
+    private fun getLocalWithVersion(configuration: Configuration): Locale {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            configuration.locales[0]
+        } else {
+            configuration.locale
+        }
+    }
+}
+
+internal object LanguageType {
+    // 跟随系统
+    const val LANGUAGE_SYSTEM = "system"
+
+    // 英语
+    const val LANGUAGE_EN = "en"
+
+    // 简体中文
+    const val LANGUAGE_ZH_CN = "zh-Hans"
+}