Fix all locale issues

app/src/main/java/com/topjohnwu/magisk/core/App.kt

@@ -82,7 +82,7 @@ open class App() : Application() {
             androidContext(wrapped)
             modules(koinModules)
         }
-        ResourceMgr.init(impl)
+        ResMgr.init(impl)
         app.registerActivityLifecycleCallbacks(get<ActivityTracker>())
         WorkManager.initialize(impl.wrapJob(), androidx.work.Configuration.Builder().build())
     }

app/src/main/java/com/topjohnwu/magisk/core/Hacks.kt

@@ -57,7 +57,7 @@ fun Class<*>.cmp(pkg: String): ComponentName {
 inline fun <reified T> Context.intent() = Intent().setComponent(T::class.java.cmp(packageName))
 
 private open class GlobalResContext(base: Context) : ContextWrapper(base) {
-    open val mRes: Resources get() = ResourceMgr.resource
+    open val mRes: Resources get() = ResMgr.resource
 
     override fun getResources(): Resources {
         return mRes
@@ -78,22 +78,24 @@ private class ResContext(base: Context) : GlobalResContext(base) {
     private fun Resources.patch(): Resources {
         updateConfig()
         if (isRunningAsStub)
-            assets.addAssetPath(ResourceMgr.resApk)
+            assets.addAssetPath(ResMgr.apk)
         return this
     }
 }
 
-object ResourceMgr {
+object ResMgr {
 
     lateinit var resource: Resources
-    lateinit var resApk: String
+    lateinit var apk: String
 
     fun init(context: Context) {
         resource = context.resources
         refreshLocale()
         if (isRunningAsStub) {
-            resApk = DynAPK.current(context).path
+            apk = DynAPK.current(context).path
-            resource.assets.addAssetPath(resApk)
+            resource.assets.addAssetPath(apk)
+        } else {
+            apk = context.packageResourcePath
         }
     }
 }
@@ -169,8 +171,5 @@ val shouldKeepResources = listOf(
     R.string.unsupport_magisk_title,
     R.string.install_inactive_slot_msg,
     R.string.invalid_update_channel,
-    R.string.update_available,
+    R.string.update_available
-
-    /* Android Studio is dumb and cannot detect following usages in databinding */
-    R.menu.menu_reboot
 )

app/src/main/java/com/topjohnwu/magisk/core/utils/Locales.kt

@@ -3,11 +3,14 @@
 package com.topjohnwu.magisk.core.utils
 
 import android.annotation.SuppressLint
+import android.content.res.AssetManager
 import android.content.res.Configuration
 import android.content.res.Resources
+import android.util.DisplayMetrics
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.core.Config
-import com.topjohnwu.magisk.core.ResourceMgr
+import com.topjohnwu.magisk.core.ResMgr
+import com.topjohnwu.magisk.core.addAssetPath
 import com.topjohnwu.magisk.extensions.langTagToLocale
 import com.topjohnwu.magisk.extensions.toLangTag
 import io.reactivex.Single
@@ -22,41 +25,37 @@ val defaultLocale: Locale = Locale.getDefault()
 
 val availableLocales = Single.fromCallable {
     val compareId = R.string.app_changelog
-    val config = ResourceMgr.resource.configuration
-    val metrics = ResourceMgr.resource.displayMetrics
-    val res = Resources(ResourceMgr.resource.assets, metrics, config)
 
-    val locales = mutableListOf<Locale>().apply {
+    // Create a completely new resource to prevent cross talk over app's configs
+    val asset = AssetManager::class.java.newInstance().apply { addAssetPath(ResMgr.apk) }
+    val config = Configuration(ResMgr.resource.configuration)
+    val metrics = DisplayMetrics().apply { setTo(ResMgr.resource.displayMetrics) }
+    val res = Resources(asset, metrics, config)
+
+    val locales = ArrayList<String>().apply {
         // Add default locale
-        add(Locale.ENGLISH)
+        add("en")
 
         // Add some special locales
-        add(Locale.TAIWAN)
+        add("zh-TW")
-        add(Locale("pt", "BR"))
+        add("pt-BR")
 
-        // Other locales
+        // Then add all supported locales
-        val otherLocales = ResourceMgr.resource.assets.locales
+        addAll(res.assets.locales)
-            .map { it.langTagToLocale() }
+    }.map {
-            .distinctBy {
+        it.langTagToLocale()
-                config.setLocale(it)
+    }.distinctBy {
-                res.updateConfiguration(config, metrics)
+        config.setLocale(it)
-                res.getString(compareId)
+        res.updateConfiguration(config, metrics)
-            }
+        res.getString(compareId)
-
-        addAll(otherLocales)
     }.sortedWith(Comparator { a, b ->
-        a.getDisplayName(a).toLowerCase(a)
+        a.getDisplayName(a).compareTo(b.getDisplayName(b), true)
-            .compareTo(b.getDisplayName(b).toLowerCase(b))
     })
 
     config.setLocale(defaultLocale)
     res.updateConfiguration(config, metrics)
     val defName = res.getString(R.string.system_default)
 
-    // Restore back to current locale
-    config.setLocale(currentLocale)
-    res.updateConfiguration(config, metrics)
-
     Pair(locales, defName)
 }.map { (locales, defName) ->
     val names = ArrayList<String>(locales.size + 1)
@@ -85,5 +84,5 @@ fun refreshLocale() {
         else -> localeConfig.langTagToLocale()
     }
     Locale.setDefault(currentLocale)
-    ResourceMgr.resource.updateConfig()
+    ResMgr.resource.updateConfig()
 }

app/src/main/java/com/topjohnwu/magisk/di/ApplicationModule.kt

@@ -8,7 +8,7 @@ import android.os.Build
 import android.os.Bundle
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import androidx.preference.PreferenceManager
-import com.topjohnwu.magisk.core.ResourceMgr
+import com.topjohnwu.magisk.core.ResMgr
 import com.topjohnwu.magisk.utils.RxBus
 import org.koin.core.qualifier.named
 import org.koin.dsl.module
@@ -18,7 +18,7 @@ val Protected = named("protected")
 
 val applicationModule = module {
     single { RxBus() }
-    factory { ResourceMgr.resource }
+    factory { ResMgr.resource }
     factory { get<Context>().packageManager }
     factory(Protected) { createDEContext(get()) }
     single(SUTimeout) { get<Context>(Protected).getSharedPreferences("su_timeout", 0) }

app/src/main/java/com/topjohnwu/magisk/model/entity/recycler/SettingsItem.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.content.res.Resources
 import android.view.MotionEvent
 import android.view.View
+import androidx.annotation.ArrayRes
 import androidx.annotation.CallSuper
 import androidx.databinding.Bindable
 import androidx.databinding.ViewDataBinding
@@ -145,13 +146,19 @@ sealed class SettingsItem : ObservableItem<SettingsItem>() {
 
         protected val resources get() = get<Resources>()
 
-        abstract val entries: Array<out CharSequence>
+        @ArrayRes open val entryRes = -1
-        abstract val entryValues: Array<out CharSequence>
+        @ArrayRes open val entryValRes = -1
+
+        open val entries get() = resources.getArrayOrEmpty(entryRes)
+        open val entryValues get() = resources.getArrayOrEmpty(entryValRes)
 
         @get:Bindable
         val selectedEntry
             get() = entries.getOrNull(value)
 
+        private fun Resources.getArrayOrEmpty(id: Int): Array<String> =
+            runCatching { getStringArray(id) }.getOrDefault(emptyArray())
+
         override fun onPressed(view: View, callback: Callback) {
             if (entries.isEmpty() || entryValues.isEmpty()) return
             callback.onItemPressed(view, this)

app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsItems.kt

@@ -39,8 +39,8 @@ object Language : SettingsItem.Selector() {
     }
 
     override val title = R.string.language.asTransitive()
-    override var entries = arrayOf<String>()
+    override var entries = emptyArray<String>()
-    override var entryValues = arrayOf<String>()
+    override var entryValues = emptyArray<String>()
 
     init {
         availableLocales.subscribeK { (names, values) ->
@@ -132,19 +132,19 @@ object GridSize : SettingsItem.Selector() {
 
     override val title = R.string.settings_grid_column_count_title.asTransitive()
     override val description = R.string.settings_grid_column_count_summary.asTransitive()
-    override val entries = resources.getStringArray(R.array.span_count)
+    override val entryRes = R.array.span_count
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
 }
 
 object UpdateChannel : SettingsItem.Selector() {
     override var value by bindableValue(Config.updateChannel) { Config.updateChannel = it }
 
     override val title = R.string.settings_update_channel_title.asTransitive()
-    override val entries = resources.getStringArray(R.array.update_channel).let {
+    override val entries get() = resources.getStringArray(R.array.update_channel).let {
         if (!isCanaryVersion && Config.updateChannel < Config.Value.CANARY_CHANNEL)
             it.take(it.size - 2).toTypedArray() else it
     }
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
 }
 
 object UpdateChannelUrl : SettingsItem.Input() {
@@ -247,8 +247,8 @@ object Superuser : SettingsItem.Section() {
 
 object AccessMode : SettingsItem.Selector() {
     override val title = R.string.superuser_access.asTransitive()
-    override val entries = resources.getStringArray(R.array.su_access)
+    override val entryRes = R.array.su_access
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
 
     override var value by bindableValue(Config.rootMode) {
         Config.rootMode = entryValues[it].toInt()
@@ -257,16 +257,15 @@ object AccessMode : SettingsItem.Selector() {
 
 object MultiuserMode : SettingsItem.Selector() {
     override val title = R.string.multiuser_mode.asTransitive()
-    override val entries = resources.getStringArray(R.array.multiuser_mode)
+    override val entryRes = R.array.multiuser_mode
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
-    private val descArray = resources.getStringArray(R.array.multiuser_summary)
 
     override var value by bindableValue(Config.suMultiuserMode) {
         Config.suMultiuserMode = entryValues[it].toInt()
     }
 
     override val description
-        get() = descArray[value].asTransitive()
+        get() = resources.getStringArray(R.array.multiuser_summary)[value].asTransitive()
 
     override fun refresh() {
         isEnabled = Const.USER_ID == 0
@@ -275,22 +274,21 @@ object MultiuserMode : SettingsItem.Selector() {
 
 object MountNamespaceMode : SettingsItem.Selector() {
     override val title = R.string.mount_namespace_mode.asTransitive()
-    override val entries = resources.getStringArray(R.array.namespace)
+    override val entryRes = R.array.namespace
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
-    private val descArray = resources.getStringArray(R.array.namespace_summary)
 
     override var value by bindableValue(Config.suMntNamespaceMode) {
         Config.suMntNamespaceMode = entryValues[it].toInt()
     }
 
     override val description
-        get() = descArray[value].asTransitive()
+        get() = resources.getStringArray(R.array.namespace_summary)[value].asTransitive()
 }
 
 object AutomaticResponse : SettingsItem.Selector() {
     override val title = R.string.auto_response.asTransitive()
-    override val entries = resources.getStringArray(R.array.auto_response)
+    override val entryRes = R.array.auto_response
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
 
     override var value by bindableValue(Config.suAutoReponse) {
         Config.suAutoReponse = entryValues[it].toInt()
@@ -299,8 +297,8 @@ object AutomaticResponse : SettingsItem.Selector() {
 
 object RequestTimeout : SettingsItem.Selector() {
     override val title = R.string.request_timeout.asTransitive()
-    override val entries = resources.getStringArray(R.array.request_timeout)
+    override val entryRes = R.array.request_timeout
-    override val entryValues = resources.getStringArray(R.array.request_timeout_value)
+    override val entryValRes = R.array.request_timeout_value
 
     override var value by bindableValue(selected) {
         Config.suDefaultTimeout = entryValues[it].toInt()
@@ -312,8 +310,8 @@ object RequestTimeout : SettingsItem.Selector() {
 
 object SUNotification : SettingsItem.Selector() {
     override val title = R.string.superuser_notification.asTransitive()
-    override val entries = resources.getStringArray(R.array.su_notification)
+    override val entryRes = R.array.su_notification
-    override val entryValues = resources.getStringArray(R.array.value_array)
+    override val entryValRes = R.array.value_array
 
     override var value by bindableValue(Config.suNotification) {
         Config.suNotification = entryValues[it].toInt()