mirror of
https://github.com/meshtastic/Meshtastic-Android.git
synced 2026-04-20 22:23:37 +00:00
84 lines
3.2 KiB
Kotlin
84 lines
3.2 KiB
Kotlin
/*
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* Copyright (c) 2025 Meshtastic LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.geeksville.mesh.util
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import android.content.Context
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import android.content.SharedPreferences
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import androidx.appcompat.app.AppCompatDelegate
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import androidx.core.content.edit
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import androidx.core.os.LocaleListCompat
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import com.geeksville.mesh.R
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import com.geeksville.mesh.android.Logging
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import org.xmlpull.v1.XmlPullParser
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import java.util.Locale
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object LanguageUtils : Logging {
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const val SYSTEM_DEFAULT = "zz"
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const val SYSTEM_MANAGED = "appcompat"
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fun getLocale(): String = AppCompatDelegate.getApplicationLocales().toLanguageTags().ifEmpty { SYSTEM_DEFAULT }
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fun setLocale(lang: String) {
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AppCompatDelegate.setApplicationLocales(
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if (lang == SYSTEM_DEFAULT) {
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LocaleListCompat.getEmptyLocaleList()
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} else {
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LocaleListCompat.forLanguageTags(lang)
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},
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)
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}
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fun migrateLanguagePrefs(prefs: SharedPreferences) {
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val currentLang = prefs.getString("lang", SYSTEM_DEFAULT) ?: SYSTEM_DEFAULT
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debug("Migrating in-app language prefs: $currentLang")
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prefs.edit { putString("lang", SYSTEM_MANAGED) }
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setLocale(currentLang)
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}
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/** Build a list from locales_config.xml of native language names paired to its Locale tag (ex: "English", "en") */
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fun getLanguageTags(context: Context): Map<String, String> {
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val languageTags = mutableListOf(SYSTEM_DEFAULT)
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try {
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context.resources.getXml(R.xml.locales_config).use {
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while (it.eventType != XmlPullParser.END_DOCUMENT) {
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if (it.eventType == XmlPullParser.START_TAG && it.name == "locale") {
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languageTags += it.getAttributeValue(0)
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}
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it.next()
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}
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}
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} catch (e: Exception) {
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errormsg("Error parsing locale_config.xml ${e.message}")
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}
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return languageTags.associateBy { tag ->
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val loc = Locale(tag)
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when (tag) {
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SYSTEM_DEFAULT -> context.getString(R.string.preferences_system_default)
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"fr-HT" -> context.getString(R.string.fr_HT)
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"pt-BR" -> context.getString(R.string.pt_BR)
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"zh-CN" -> context.getString(R.string.zh_CN)
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"zh-TW" -> context.getString(R.string.zh_TW)
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else ->
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loc.getDisplayLanguage(loc).replaceFirstChar {
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if (it.isLowerCase()) it.titlecase(loc) else it.toString()
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}
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}
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}
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}
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}
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