// Build configuration for the single application module. This is where we turn // on Compose, set the min/target Android versions, and list dependencies. plugins { alias(libs.plugins.android.application) alias(libs.plugins.kotlin.android) alias(libs.plugins.kotlin.compose) } android { namespace = "com.reactorcoremeltdown.sizzletracker" compileSdk = 34 // Native (Oboe) low-latency output backend; see src/main/cpp. // NDK r27+ builds native libs 16 KB-page-aligned by default and ships a // 16 KB-aligned libc++_shared.so (required for Android 15 / Google Play). ndkVersion = "27.2.12479018" defaultConfig { applicationId = "com.reactorcoremeltdown.sizzletracker" // minSdk 26 (Android 8.0) is the floor for the native MIDI API // (android.media.midi) and AAudio low-latency audio we rely on. minSdk = 26 targetSdk = 34 versionCode = 1 versionName = "0.1.0" // We provide our own instrumentation runner if/when tests are added. testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" externalNativeBuild { cmake { arguments += "-DANDROID_STL=c++_shared" } } } externalNativeBuild { cmake { path = file("src/main/cpp/CMakeLists.txt") version = "3.22.1" } } buildTypes { release { // Shrinking is off by default so newcomers get readable stack traces. // Flip to true once the app stabilises. isMinifyEnabled = false proguardFiles( getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro", ) } // A realistic-performance variant for testing UI responsiveness on-device. // The `debug` build is `debuggable = true`, which makes ART run the app // un-optimised and makes Compose several times slower — so measuring UI // "snappiness" on a debug build is misleading. This variant flips // debuggability off (the single biggest perf lever) while reusing the debug // signing key, so it still installs without a release keystore. R8/shrinking // stays off to avoid needing JNI/Compose keep-rules for now. create("profile") { initWith(getByName("debug")) isDebuggable = false isJniDebuggable = false signingConfig = signingConfigs.getByName("debug") matchingFallbacks += "debug" } } compileOptions { sourceCompatibility = JavaVersion.VERSION_17 targetCompatibility = JavaVersion.VERSION_17 } kotlinOptions { jvmTarget = "17" } buildFeatures { compose = true prefab = true // exposes the Oboe AAR's native headers/lib to CMake } packaging { resources.excludes += "/META-INF/{AL2.0,LGPL2.1}" } } dependencies { implementation(libs.androidx.core.ktx) implementation(libs.androidx.lifecycle.runtime.ktx) implementation(libs.androidx.lifecycle.viewmodel.compose) implementation(libs.androidx.activity.compose) // Compose UI toolkit — the BOM keeps every Compose artifact on one version. implementation(platform(libs.androidx.compose.bom)) implementation(libs.androidx.compose.ui) implementation(libs.androidx.compose.ui.graphics) implementation(libs.androidx.compose.ui.tooling.preview) implementation(libs.androidx.compose.foundation) implementation(libs.androidx.compose.material3) implementation(libs.androidx.compose.material.icons.extended) debugImplementation(libs.androidx.compose.ui.tooling) // Background playback + media-style notification transport controls. implementation(libs.androidx.media3.session) implementation(libs.androidx.media3.common) // Persistence for settings & themes. implementation(libs.androidx.datastore.preferences) // Coroutines for the audio/sequencer background work. implementation(libs.kotlinx.coroutines.android) // Oboe: low-latency native audio (AAudio) — the native output backend. // 1.9.3+ ships 16 KB-page-aligned .so files (required by Android 15 / Play). implementation("com.google.oboe:oboe:1.10.0") // JVM unit tests for the pure model/io logic (no device needed). testImplementation("junit:junit:4.13.2") }