Never forget to add a language again, auto generation of the language list

build.gradle.kts

@@ -11,7 +11,7 @@ plugins {
     kotlin("jvm") version "1.5.21"
     kotlin("kapt") version "1.5.21"
     kotlin("plugin.serialization") version "1.5.21"
-    id("org.jetbrains.compose") version "1.0.0-alpha4-build310"
+    id("org.jetbrains.compose") version "1.0.0-alpha4-build315"
     id("com.github.gmazzo.buildconfig") version "3.0.2"
     id("org.jmailen.kotlinter") version "3.5.0"
     id("com.github.ben-manes.versions") version "0.39.0"
@@ -135,6 +135,22 @@ tasks {
     }
 
     registerTachideskTasks(project)
+
+    task("generateResourceConstants") {
+        val buildResources = buildConfig.forClass(project.group.toString(), "BuildResources")
+
+        doFirst {
+            val langs = listOf("en") + sourceSets["main"].resources
+                .filter { it.name == "strings.xml" }
+                .drop(1)
+                .map { it.absolutePath.substringAfter("values-").substringBefore(File.separatorChar) }
+            buildResources.buildConfigField("Array<String>", "LANGUAGES", langs.joinToString(prefix = "arrayOf(", postfix = ")") { it.wrap() })
+        }
+
+        generateBuildConfig {
+            dependsOn(this@task)
+        }
+    }
 }
 
 

src/main/kotlin/ca/gosyer/ui/settings/SettingsGeneralScreen.kt

@@ -10,6 +10,7 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.material.Divider
 import androidx.compose.runtime.Composable
+import ca.gosyer.BuildResources
 import ca.gosyer.data.ui.UiPreferences
 import ca.gosyer.data.ui.model.StartScreen
 import ca.gosyer.ui.base.components.Toolbar
@@ -47,17 +48,13 @@ class SettingsGeneralViewModel @Inject constructor(
     )
 
     @Composable
-    fun getLanguageChoices(): Map<String, String> = mapOf(
-        "" to stringResource("language_system_default", currentLocale.getDisplayName(currentLocale))
-    ) + listOf(
-        "en",
-        "en-CA",
-        "fa",
-        "hi",
-        "pt-BR",
-        "sv",
-        "tam"
-    ).associateWith { Locale.forLanguageTag(it).getDisplayName(currentLocale) }
+    fun getLanguageChoices(): Map<String, String> = (
+        mapOf(
+            "" to stringResource("language_system_default", currentLocale.getDisplayName(currentLocale))
+        ) + BuildResources.LANGUAGES
+            .associateWith { Locale.forLanguageTag(it).getDisplayName(currentLocale) }
+        )
+        .toSortedMap(compareBy { it.lowercase() })
 
     @Composable
     fun getDateChoices(): Map<String, String> {