feat: implement production release configuration and signing for Play Store

android-app/app/build.gradle.kts

@@ -8,9 +8,31 @@ plugins {
 val localApiBaseUrl = providers.gradleProperty("LOCAL_API_BASE_URL")
     .orElse("https://harheimertc.tsschulz.de/")
     .get()
+val productionApiBaseUrl = providers.gradleProperty("PRODUCTION_API_BASE_URL")
+    .orElse("https://harheimertc.de/")
+    .get()
 val sentryDsn = providers.gradleProperty("SENTRY_DSN")
     .orElse("")
     .get()
+val androidVersionCode = providers.gradleProperty("ANDROID_VERSION_CODE")
+    .orElse("2")
+    .get()
+    .toInt()
+val androidVersionName = providers.gradleProperty("ANDROID_VERSION_NAME")
+    .orElse("1.0.0")
+    .get()
+val releaseMinifyEnabled = providers.gradleProperty("RELEASE_MINIFY_ENABLED")
+    .orElse("true")
+    .get()
+    .toBoolean()
+val releaseStoreFile = providers.gradleProperty("RELEASE_STORE_FILE").orNull
+val releaseStorePassword = providers.gradleProperty("RELEASE_STORE_PASSWORD").orNull
+val releaseKeyAlias = providers.gradleProperty("RELEASE_KEY_ALIAS").orNull
+val releaseKeyPassword = providers.gradleProperty("RELEASE_KEY_PASSWORD").orNull
+val hasReleaseSigning = !releaseStoreFile.isNullOrBlank() &&
+    !releaseStorePassword.isNullOrBlank() &&
+    !releaseKeyAlias.isNullOrBlank() &&
+    !releaseKeyPassword.isNullOrBlank()
 
 android {
     namespace = "de.harheimertc"
@@ -19,9 +41,38 @@ android {
     defaultConfig {
         applicationId = "de.harheimertc"
         minSdk = 24
-        targetSdk = 34
-        versionCode = 1
-        versionName = "0.1.0"
+        targetSdk = 35
+        versionCode = androidVersionCode
+        versionName = androidVersionName
+    }
+
+    signingConfigs {
+        create("release") {
+            if (hasReleaseSigning) {
+                storeFile = file(releaseStoreFile!!)
+                storePassword = releaseStorePassword
+                keyAlias = releaseKeyAlias
+                keyPassword = releaseKeyPassword
+            }
+        }
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = releaseMinifyEnabled
+            isShrinkResources = false
+            ndk {
+                // Generate a native debug symbols archive for Play Console uploads.
+                debugSymbolLevel = "SYMBOL_TABLE"
+            }
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro",
+            )
+            if (hasReleaseSigning) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+        }
     }
 
     flavorDimensions += "environment"
@@ -46,7 +97,7 @@ android {
         }
         create("production") {
             dimension = "environment"
-            buildConfigField("String", "API_BASE_URL", "\"https://harheimertc.tsschulz.de/\"")
+            buildConfigField("String", "API_BASE_URL", "\"$productionApiBaseUrl\"")
             buildConfigField("String", "SENTRY_DSN", "\"$sentryDsn\"")
             buildConfigField("String", "ENVIRONMENT_NAME", "\"\"")
             manifestPlaceholders["usesCleartextTraffic"] = "false"
@@ -72,6 +123,44 @@ android {
     }
 }
 
+val packageNativeDebugSymbolsForProductionRelease = tasks.register<Zip>("packageNativeDebugSymbolsForProductionRelease") {
+    group = "distribution"
+    description = "Packages production release native libraries into a Play Console debug symbols zip."
+    dependsOn(":app:mergeProductionReleaseNativeLibs")
+    from(layout.buildDirectory.dir("intermediates/merged_native_libs/productionRelease/mergeProductionReleaseNativeLibs/out/lib"))
+    destinationDirectory.set(layout.buildDirectory.dir("outputs/native-debug-symbols/productionRelease"))
+    archiveFileName.set("native-debug-symbols.zip")
+}
+
+val collectPlayStoreArtifacts = tasks.register("collectPlayStoreArtifacts") {
+    group = "distribution"
+    description = "Builds production release artifacts and collects AAB, mapping, and native symbols for Play Console upload."
+    dependsOn(":app:bundleProductionRelease")
+    dependsOn(packageNativeDebugSymbolsForProductionRelease)
+
+    doLast {
+        val outputDir = layout.buildDirectory.dir("outputs/playstore/productionRelease").get().asFile
+        outputDir.mkdirs()
+
+        val bundleFile = layout.buildDirectory.file("outputs/bundle/productionRelease/app-production-release.aab").get().asFile
+        if (bundleFile.exists()) {
+            bundleFile.copyTo(outputDir.resolve(bundleFile.name), overwrite = true)
+        }
+
+        val mappingFile = layout.buildDirectory.file("outputs/mapping/productionRelease/mapping.txt").get().asFile
+        if (mappingFile.exists()) {
+            mappingFile.copyTo(outputDir.resolve("mapping.txt"), overwrite = true)
+        }
+
+        val nativeSymbolsZip = layout.buildDirectory.file("outputs/native-debug-symbols/productionRelease/native-debug-symbols.zip").get().asFile
+        if (nativeSymbolsZip.exists()) {
+            nativeSymbolsZip.copyTo(outputDir.resolve("native-debug-symbols.zip"), overwrite = true)
+        }
+
+        println("Play Store artifacts prepared in: ${outputDir.absolutePath}")
+    }
+}
+
 kotlin {
     compilerOptions {
         jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17)