jellytau/src-tauri/android/app/build.gradle.kts

import java.util.Properties

plugins {
    id("com.android.application")
    id("org.jetbrains.kotlin.android")
    id("rust")
}

val tauriProperties = Properties().apply {
    val propFile = file("tauri.properties")
    if (propFile.exists()) {
        propFile.inputStream().use { load(it) }
    }
}

// Release signing: loaded from gen/android/keystore.properties if present.
// Falls back to no signing config (debug-signed) when the file is absent.
val keystoreProperties = Properties().apply {
    val propFile = rootProject.file("keystore.properties")
    if (propFile.exists()) {
        propFile.inputStream().use { load(it) }
    }
}

// Side-by-side release: set by `scripts/build-android.sh release --debug`, which
// exports JT_SIDE_BY_SIDE=1. It puts a fully R8-minified release build into the
// debug applicationId slot, signed with the local debug keystore — so you can
// test what minification actually produces (R8 stripping JNI-loaded classes has
// broken release APKs here before) without the real signing key and without
// uninstalling your working install. Unset in CI, so distributable release
// builds are untouched.
val sideBySideRelease = System.getenv("JT_SIDE_BY_SIDE").let { it == "1" || it == "true" }

android {
    compileSdk = 36
    namespace = "com.dtourolle.jellytau"
    defaultConfig {
        manifestPlaceholders["usesCleartextTraffic"] = "false"
        // Launcher/app names come from placeholders so the debug build can
        // rename itself without touching the generated strings.xml (a
        // resValue() override there would collide with Tauri's own entries).
        manifestPlaceholders["appLabel"] = "@string/app_name"
        manifestPlaceholders["activityLabel"] = "@string/main_activity_title"
        applicationId = "com.dtourolle.jellytau"
        minSdk = 24
        targetSdk = 36
        versionCode = tauriProperties.getProperty("tauri.android.versionCode", "1").toInt()
        versionName = tauriProperties.getProperty("tauri.android.versionName", "1.0")
    }
    signingConfigs {
        create("release") {
            keystoreProperties.getProperty("storeFile")?.let {
                storeFile = file(it)
                storePassword = keystoreProperties.getProperty("storePassword")
                keyAlias = keystoreProperties.getProperty("keyAlias")
                keyPassword = keystoreProperties.getProperty("keyPassword")
            }
        }
    }
    buildTypes {
        getByName("debug") {
            // Distinct applicationId so the debug build installs SIDE BY SIDE
            // with a release/store install instead of demanding an uninstall
            // (different signing keys on the same package = INSTALL_FAILED_
            // UPDATE_INCOMPATIBLE). It gets its own data dir, its own settings
            // and its own offline cache — the two are fully independent apps.
            //
            // This changes only the *application* id. The Kotlin/JNI classes
            // stay in the `namespace` package (com.dtourolle.jellytau), so the
            // fully-qualified class names Rust looks up over JNI, the manifest
            // <service> entry and the R8 keep rules are all unaffected. The
            // FileProvider authority is already ${applicationId}-relative.
            applicationIdSuffix = ".debug"
            versionNameSuffix = "-debug"
            manifestPlaceholders["appLabel"] = "JellyTau Debug"
            manifestPlaceholders["activityLabel"] = "JellyTau Debug"
            manifestPlaceholders["usesCleartextTraffic"] = "true"
            isDebuggable = true
            isJniDebuggable = true
            isMinifyEnabled = false
            packaging {                jniLibs.keepDebugSymbols.add("*/arm64-v8a/*.so")
                jniLibs.keepDebugSymbols.add("*/armeabi-v7a/*.so")
                jniLibs.keepDebugSymbols.add("*/x86/*.so")
                jniLibs.keepDebugSymbols.add("*/x86_64/*.so")
            }
        }
        getByName("release") {
            if (sideBySideRelease) {
                // Same slot, name and version scheme as the debug build type,
                // plus "-release" so you can tell from Settings > Apps which of
                // the two is currently sitting there. Signed with the debug
                // keystore: it shares a signature with the debug build, so the
                // two replace each other cleanly instead of colliding.
                applicationIdSuffix = ".debug"
                versionNameSuffix = "-debug-release"
                manifestPlaceholders["appLabel"] = "JellyTau Debug"
                manifestPlaceholders["activityLabel"] = "JellyTau Debug"
                signingConfig = signingConfigs.getByName("debug")
            } else if (keystoreProperties.getProperty("storeFile") != null) {
                signingConfig = signingConfigs.getByName("release")
            }
            isMinifyEnabled = true
            proguardFiles(
                *fileTree(".") { include("**/*.pro") }
                    .plus(getDefaultProguardFile("proguard-android-optimize.txt"))
                    .toList().toTypedArray()
            )
        }
    }
    // Java 17 bytecode. AGP 8.11 already requires a JDK 17 toolchain to run
    // (the builder image ships openjdk-17), so "1.8" was only capping the
    // bytecode we emit, not the JDK in use. Kotlin's jvmTarget and javac's
    // source/targetCompatibility must agree or AGP 8 fails the build, so all
    // three move together.
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }
    kotlinOptions {
        jvmTarget = "17"
    }
    buildFeatures {
        buildConfig = true
    }
}

rust {
    rootDirRel = "../../../"
}

dependencies {
    implementation("androidx.webkit:webkit:1.14.0")
    implementation("androidx.appcompat:appcompat:1.7.1")
    implementation("androidx.activity:activity-ktx:1.10.1")
    implementation("com.google.android.material:material:1.12.0")

    // Media3 dependencies for audio playback
    implementation("androidx.media3:media3-exoplayer:1.5.0")
    implementation("androidx.media3:media3-exoplayer-hls:1.5.0")
    implementation("androidx.media3:media3-session:1.5.0")
    implementation("androidx.media3:media3-common:1.5.0")
    implementation("com.google.guava:guava:33.0.0-android")

    // Media library for VolumeProviderCompat (remote volume control)
    implementation("androidx.media:media:1.7.0")

    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.4")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.0")
}

apply(from = "tauri.build.gradle.kts")