语言切换

2026-05-27 09:36:56 +08:00
parent 298b06d456
commit ac906c901b
13 changed files with 120 additions and 77 deletions
--- a/app/src/main/java/com/example/defenseapplication/MyApplication.kt
+++ b/app/src/main/java/com/example/defenseapplication/MyApplication.kt
@@ -6,7 +6,6 @@ import bean.LoginBean
 import com.blankj.utilcode.util.Utils
 import com.example.defenseapplication.bean.BaseInfo
 import com.example.defenseapplication.utils.ApiConfig
-import com.example.defenseapplication.utils.LanguageHeaderManager
 import com.example.defenseapplication.utils.LanguageUtil
 import com.example.defenseapplication.utils.UserinfoUtil
 import com.google.gson.Gson
@@ -21,7 +20,7 @@ class MyApplication : Application() {
        if (token != null) {
            ApiConfig.authToken = token
        };
-        LanguageHeaderManager.init(this)
+        LanguageUtil.init(this)
    }

    override fun attachBaseContext(base: Context) {
--- a/app/src/main/java/com/example/defenseapplication/adapter/LinkedUserAdapter.kt
+++ b/app/src/main/java/com/example/defenseapplication/adapter/LinkedUserAdapter.kt
@@ -4,6 +4,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
+import com.example.defenseapplication.R
 import com.example.defenseapplication.databinding.ItemLinkedUserBinding

 data class LinkedUser(
@@ -54,10 +55,11 @@ class LinkedUserAdapter(
    ) : RecyclerView.ViewHolder(binding.root) {

        fun bind(item: LinkedUser, position: Int) {
+            val context = binding.root.context
            binding.tvUserName.text = item.name
            binding.tvTime.text = item.time
-            binding.tvPhone.text = "手机号码：${item.phone}"
-            binding.tvIdCard.text = "身份证号：${item.idCard}"
+            binding.tvPhone.text = context.getString(R.string.linked_user_phone_label, item.phone)
+            binding.tvIdCard.text = context.getString(R.string.linked_user_idcard_label, item.idCard)

            binding.root.setOnClickListener {
                onItemClick(item, position)
--- a/app/src/main/java/com/example/defenseapplication/base/BaseActivity.kt
+++ b/app/src/main/java/com/example/defenseapplication/base/BaseActivity.kt
@@ -1,13 +1,20 @@
 package com.example.defenseapplication.base

+import android.content.Context
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import com.example.defenseapplication.utils.ActivityManager
+import com.example.defenseapplication.utils.LanguageUtil

 open class BaseActivity : AppCompatActivity() {

+    override fun attachBaseContext(newBase: Context) {
+        super.attachBaseContext(LanguageUtil.attachBaseContext(newBase))
+    }
+
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
+        LanguageUtil.init(this)
        ActivityManager.addActivity(this)
    }

--- a/app/src/main/java/com/example/defenseapplication/home/HomeActivity.kt
+++ b/app/src/main/java/com/example/defenseapplication/home/HomeActivity.kt
@@ -1,18 +1,17 @@
 package com.example.defenseapplication.home

 import android.os.Bundle
-import android.util.Log
-import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.fragment.app.Fragment
 import com.example.defenseapplication.R
+import com.example.defenseapplication.base.BaseActivity
 import com.example.defenseapplication.databinding.HomeActivityBinding
 import com.example.defenseapplication.databinding.HomeMenuFragmentBinding
 import com.gyf.immersionbar.ImmersionBar

-class HomeActivity : AppCompatActivity() {
+class HomeActivity : BaseActivity() {
    // ViewBinding 核心对象
    private lateinit var binding: HomeActivityBinding

--- a/app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt
+++ b/app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt
@@ -16,11 +16,14 @@ import com.example.defenseapplication.liveVideo.LinkedUserActivity
 import com.example.defenseapplication.personal.FaceManagementActivity
 import com.example.defenseapplication.personal.PasswordManagementActivity
 import com.example.defenseapplication.personal.PersonalProfileActivity
+import com.example.defenseapplication.utils.AppLanguage
 import com.example.defenseapplication.utils.LanguageUtil
 import com.example.defenseapplication.utils.RetrofitNetwork
 import com.example.defenseapplication.utils.UserinfoUtil
+import com.example.defenseapplication.utils.ActivityManager
 import com.example.defenseapplication.view.FamilySwitchDialog
 import com.example.defenseapplication.view.LanguageDialog
+import com.example.defenseapplication.home.HomeActivity
 import com.gyf.immersionbar.ImmersionBar
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -155,18 +158,23 @@ class PersonalFragment : Fragment() {
     * 更新当前语言显示
     */
    private fun updateCurrentLanguageDisplay() {
-        val currentLang = LanguageUtil.getCurrentLanguage(requireContext())
-        binding.tvCurrentLanguage.text = LanguageUtil.getLanguageDisplayName(currentLang)
+        binding.tvCurrentLanguage.text = LanguageUtil.currentLanguage.let {
+            if (it == AppLanguage.SIMPLIFIED_CHINESE) "中文" else "English"
+        }
    }

    /**
     * 显示语言选择对话框
     */
    private fun showLanguageDialog() {
-        val dialog = LanguageDialog(requireContext()) { language ->
-            LanguageUtil.switchLanguage(requireContext(), language)
-            // 刷新当前页面以应用新语言
-            requireActivity().recreate()
+        val dialog = LanguageDialog(requireContext()) { appLanguage ->
+            LanguageUtil.switchLanguage(requireContext(), appLanguage)
+            // 关闭所有 Activity，重启到首页
+            ActivityManager.finishAllActivities()
+            val intent = Intent(requireContext(), HomeActivity::class.java)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
+            startActivity(intent)
+            requireActivity().finish()
        }
        dialog.show()
    }
--- a/app/src/main/java/com/example/defenseapplication/liveVideo/SettingsActivity.kt
+++ b/app/src/main/java/com/example/defenseapplication/liveVideo/SettingsActivity.kt
@@ -13,7 +13,6 @@ import com.example.defenseapplication.utils.DeviceIdEvent
 import com.example.defenseapplication.utils.LanguageUtil
 import com.example.defenseapplication.utils.RetrofitNetwork
 import com.example.defenseapplication.view.CustomDialogFragmentText
-import com.example.defenseapplication.view.LanguageDialog
 import com.example.defenseapplication.view.RecognitionModeDialog
 import com.gyf.immersionbar.ImmersionBar
 import kotlinx.coroutines.CoroutineScope
--- a/app/src/main/java/com/example/defenseapplication/utils/ApiConfig.kt
+++ b/app/src/main/java/com/example/defenseapplication/utils/ApiConfig.kt
@@ -162,11 +162,10 @@ object ApiConfig {
    fun createHeadersInterceptor() = Interceptor { chain ->
        val requestBuilder = chain.request().newBuilder()
        val token = authToken
-        val langHeader = LanguageHeaderManager.getLanguageHeaderValue()
        
        // 添加必要的请求头
        requestBuilder.header("clientid", "428a8310cd442757ae699df5d894f051")
-        requestBuilder.header("content-language", langHeader)
+        requestBuilder.header("content-language", LanguageUtil.getLanguageHeaderValue())
        
        // 如果有 token，添加 Authorization 头
        if (token.isNotBlank()) {
--- a/app/src/main/java/com/example/defenseapplication/utils/LanguageHeaderManager.kt
+++ b/app/src/main/java/com/example/defenseapplication/utils/LanguageHeaderManager.kt
@@ -1,37 +1,13 @@
 package com.example.defenseapplication.utils

 import android.content.Context
-import androidx.core.content.edit
-
-enum class AppLanguage(val code: String) {
-    ENGLISH("en_US"),
-    SIMPLIFIED_CHINESE("zh_CN"),
-    TRADITIONAL_CHINESE("zh_TW")
-}

+/**
+ * HTTP 请求头的语言值管理，统一由 LanguageUtil 提供
+ * @deprecated Use LanguageUtil.getLanguageHeaderValue() directly
+ */
 object LanguageHeaderManager {
-    private const val PREF_NAME = "app_lang_pref"
-    private const val KEY_LANGUAGE = "selected_language"

-    private var currentLanguage: AppLanguage = AppLanguage.ENGLISH
-
-    fun init(context: Context) {
-        val prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
-        val langCode = prefs.getString(KEY_LANGUAGE, AppLanguage.ENGLISH.code)
-        currentLanguage = AppLanguage.values().find { it.code == langCode } ?: AppLanguage.ENGLISH
-    }
-
-    fun getCurrentLanguage(): AppLanguage = currentLanguage
-
-    fun switchLanguage(context: Context, language: AppLanguage) {
-        currentLanguage = language
-        // 持久化
-        context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE).edit {
-            putString(KEY_LANGUAGE, language.code)
-            apply()
-        }
-        // 可选：更新应用 Locale、重启 Activity 等
-    }
-
-    fun getLanguageHeaderValue(): String = currentLanguage.code
+    @Deprecated("Use LanguageUtil.getLanguageHeaderValue() instead", ReplaceWith("LanguageUtil.getLanguageHeaderValue()"))
+    fun getLanguageHeaderValue(): String = LanguageUtil.getLanguageHeaderValue()
 }
--- a/app/src/main/java/com/example/defenseapplication/utils/LanguageUtil.kt
+++ b/app/src/main/java/com/example/defenseapplication/utils/LanguageUtil.kt
@@ -3,77 +3,128 @@ package com.example.defenseapplication.utils
 import android.content.Context
 import android.content.SharedPreferences
 import android.content.res.Configuration
-import android.content.res.Resources
 import android.os.Build
 import android.os.LocaleList
 import java.util.Locale

+enum class AppLanguage(val code: String, val locale: Locale) {
+    ENGLISH("en_US", Locale.US),
+    SIMPLIFIED_CHINESE("zh_CN", Locale.SIMPLIFIED_CHINESE);
+
+    companion object {
+        fun fromCode(code: String): AppLanguage {
+            return values().find { it.code == code } ?: SIMPLIFIED_CHINESE
+        }
+    }
+}
+
 object LanguageUtil {

    private const val PREF_NAME = "language_pref"
    private const val KEY_LANGUAGE = "selected_language"

-    const val LANGUAGE_CHINESE = "zh"
-    const val LANGUAGE_ENGLISH = "en"
+    @JvmStatic
+    var currentLanguage: AppLanguage = AppLanguage.SIMPLIFIED_CHINESE
+        private set

    /**
-     * 切换语言
-     * @param context 上下文
-     * @param language 语言代码: "zh" 中文, "en" 英文
+     * 初始化语言，从持久化中恢复
+     */
+    fun init(context: Context) {
+        val prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+        var code = prefs.getString(KEY_LANGUAGE, null)
+        if (code == null) {
+            // 兼容旧数据：尝试从 app_lang_pref 读取（LanguageHeaderManager 旧存储路径）
+            val oldPrefs = context.getSharedPreferences("app_lang_pref", Context.MODE_PRIVATE)
+            code = oldPrefs.getString("selected_language", AppLanguage.SIMPLIFIED_CHINESE.code)
+                ?: AppLanguage.SIMPLIFIED_CHINESE.code
+            // 迁移到新存储路径
+            prefs.edit().putString(KEY_LANGUAGE, code).apply()
+        }
+        currentLanguage = AppLanguage.fromCode(code)
+    }
+
+    /**
+     * 切换语言，同时更新 app locale 和 HTTP header
+     * @param language AppLanguage.ENGLISH 或 AppLanguage.SIMPLIFIED_CHINESE
+     */
+    fun switchLanguage(context: Context, language: AppLanguage) {
+        currentLanguage = language
+        saveLanguage(context, language.code)
+    }
+
+    /**
+     * 兼容旧代码：使用字符串 "zh" / "en" 切换
     */
    fun switchLanguage(context: Context, language: String) {
-        saveLanguage(context, language)
+        val appLang = when (language) {
+            "zh" -> AppLanguage.SIMPLIFIED_CHINESE
+            else -> AppLanguage.ENGLISH
+        }
+        switchLanguage(context, appLang)
    }

    /**
-     * 获取当前设置的语言
+     * 获取当前设置的语言代码 "zh" / "en"
     */
    fun getCurrentLanguage(context: Context): String {
-        val prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
-        return prefs.getString(KEY_LANGUAGE, LANGUAGE_CHINESE) ?: LANGUAGE_CHINESE
+        return currentLanguage.name.lowercase().let {
+            if (it.contains("chinese")) "zh" else "en"
+        }
    }

+    /**
+     * 获取 HTTP header 的语言值 "en_US" / "zh_CN"
+     */
+    fun getLanguageHeaderValue(): String = currentLanguage.code
+
    /**
     * 保存语言设置
     */
-    private fun saveLanguage(context: Context, language: String) {
+    private fun saveLanguage(context: Context, languageCode: String) {
        val prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
-        prefs.edit().putString(KEY_LANGUAGE, language).apply()
+        prefs.edit().putString(KEY_LANGUAGE, languageCode).apply()
    }

    /**
     * 判断当前是否是中文
     */
    fun isChinese(context: Context): Boolean {
-        return getCurrentLanguage(context) == LANGUAGE_CHINESE
+        return currentLanguage == AppLanguage.SIMPLIFIED_CHINESE
    }

    /**
-     * 获取本地化的 Context（用于在应用内切换语言）
-     * 在 attachBaseContext 中调用
+     * 获取本地化的 Context（在 attachBaseContext 中调用）
     */
    fun attachBaseContext(context: Context): Context {
-        val language = getCurrentLanguage(context)
-        return createLocalizedContext(context, language)
+        val locale = getSavedLocale(context)
+        return createLocalizedContext(context, locale)
+    }
+
+    /**
+     * 读取已保存的语言 locale（attachBaseContext 中使用，此时 currentLanguage 可能尚未初始化）
+     */
+    private fun getSavedLocale(context: Context): Locale {
+        val prefs = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+        val code = prefs.getString(KEY_LANGUAGE, AppLanguage.SIMPLIFIED_CHINESE.code)
+            ?: AppLanguage.SIMPLIFIED_CHINESE.code
+        return AppLanguage.fromCode(code).locale
    }

    /**
     * 创建本地化的 Context
     */
-    private fun createLocalizedContext(context: Context, language: String): Context {
-        val locale = Locale(language)
+    private fun createLocalizedContext(context: Context, locale: Locale): Context {
        Locale.setDefault(locale)

        val resources = context.resources
        val configuration = resources.configuration

        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            // Android 7.0 及以上
            val localeList = LocaleList(locale)
            configuration.setLocales(localeList)
            context.createConfigurationContext(configuration)
        } else {
-            // Android 7.0 以下
            configuration.locale = locale
            resources.updateConfiguration(configuration, resources.displayMetrics)
            context
@@ -84,8 +135,7 @@ object LanguageUtil {
     * 更新应用语言（用于在 Activity 中动态切换）
     */
    fun updateResources(context: Context): Context {
-        val language = getCurrentLanguage(context)
-        val locale = Locale(language)
+        val locale = currentLanguage.locale
        Locale.setDefault(locale)

        val resources = context.resources
@@ -107,8 +157,8 @@ object LanguageUtil {
     */
    fun getLanguageDisplayName(language: String): String {
        return when (language) {
-            LANGUAGE_CHINESE -> "中文"
-            LANGUAGE_ENGLISH -> "English"
+            "zh" -> "中文"
+            "en" -> "English"
            else -> "中文"
        }
    }
--- a/app/src/main/java/com/example/defenseapplication/view/LanguageDialog.kt
+++ b/app/src/main/java/com/example/defenseapplication/view/LanguageDialog.kt
@@ -9,6 +9,7 @@ import android.view.WindowManager
 import android.widget.LinearLayout
 import android.widget.TextView
 import com.example.defenseapplication.R
+import com.example.defenseapplication.utils.AppLanguage
 import com.example.defenseapplication.utils.LanguageUtil

 /**
@@ -16,7 +17,7 @@ import com.example.defenseapplication.utils.LanguageUtil
 */
 class LanguageDialog(
    context: Context,
-    private val onLanguageSelected: (String) -> Unit
+    private val onLanguageSelected: (AppLanguage) -> Unit
 ) : Dialog(context, R.style.BottomDialogStyle) {

    override fun onCreate(savedInstanceState: Bundle?) {
@@ -43,22 +44,21 @@ class LanguageDialog(
        val tvEnglish = findViewById<TextView>(R.id.tvEnglish)
        val tvCancel = findViewById<TextView>(R.id.tvCancel)

-        val currentLang = LanguageUtil.getCurrentLanguage(context)
+        val currentLang = LanguageUtil.currentLanguage

-        // 根据当前语言高亮显示
-        if (currentLang == LanguageUtil.LANGUAGE_CHINESE) {
+        if (currentLang == AppLanguage.SIMPLIFIED_CHINESE) {
            tvChinese.setTextColor(context.getColor(R.color.green))
        } else {
            tvEnglish.setTextColor(context.getColor(R.color.green))
        }

        llChinese.setOnClickListener {
-            onLanguageSelected(LanguageUtil.LANGUAGE_CHINESE)
+            onLanguageSelected(AppLanguage.SIMPLIFIED_CHINESE)
            dismiss()
        }

        llEnglish.setOnClickListener {
-            onLanguageSelected(LanguageUtil.LANGUAGE_ENGLISH)
+            onLanguageSelected(AppLanguage.ENGLISH)
            dismiss()
        }