diff --git a/build.gradle.kts b/build.gradle.kts
index 36385efed9..174d0adb3f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,10 +7,10 @@
 import org.jetbrains.dokka.gradle.DokkaTaskPartial
 
 plugins {
-    id("com.android.application") apply false
-    id("com.android.library") apply false
-    id("org.jetbrains.kotlin.android") apply false
-    id("org.jetbrains.dokka") apply true
+    id(Plugins.ANDROID_APPLICATION) apply false version "7.2.2"
+    id(Plugins.ANDROID_LIBRARY) apply false version "7.2.2"
+    kotlin(Plugins.ANDROID) apply false
+    id(Plugins.DOKKA) apply true
 }
 
 subprojects {
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
new file mode 100644
index 0000000000..8e88a958d7
--- /dev/null
+++ b/buildSrc/build.gradle.kts
@@ -0,0 +1,9 @@
+import org.gradle.kotlin.dsl.`kotlin-dsl`
+
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    mavenCentral()
+}
\ No newline at end of file
diff --git a/buildSrc/src/main/kotlin/AndroidConfig.kt b/buildSrc/src/main/kotlin/AndroidConfig.kt
new file mode 100644
index 0000000000..1228b2f60c
--- /dev/null
+++ b/buildSrc/src/main/kotlin/AndroidConfig.kt
@@ -0,0 +1,47 @@
+import java.util.*
+
+object AndroidConfig {
+    const val APP_NAME = "R2 Reader"
+    const val APP_ID = "org.readium.r2reader"
+    const val MIN_SDK_VERSION = 21
+    const val TARGET_SDK_VERSION = 32
+    const val BUILD_TOOLS_VERSION = "30.0.3"
+    const val COMPILE_SDK_VERSION = 32
+    const val NDK_VERSION = "23.0.7599858"
+    const val TEST_INSTRUMENTATION_RUNNER = "androidx.test.runner.AndroidJUnitRunner"
+    const val GROUP_ID = "com.github.readium"
+    const val VERSION_CODE = 1
+    val VERSION_NAME = calculateVersionName()
+    private const val versionMajor = 2
+    private const val versionMinor = 2
+    private const val versionPatch = 0
+
+    private fun calculateVersionName(): String = "v$versionMajor.$versionMinor.$versionPatch"
+}
+
+object Flavors {
+    object ProductFlavors {
+        const val DEV = "dev"
+        const val UAT = "uat"
+        const val PILOT = "pilot"
+        const val STORE = "store"
+    }
+
+    object FlavorDimensions {
+        const val ENVIRONMENT = "environment"
+    }
+
+    object BuildTypes {
+        const val DEBUG = "debug"
+        const val RELEASE = "release"
+    }
+
+    object Default {
+        const val MAIN = "main"
+        private const val BUILD_TYPE = BuildTypes.DEBUG
+        private const val BUILD_FLAVOR = ProductFlavors.DEV
+
+        val BUILD_VARIANT =
+            "${BUILD_FLAVOR.capitalize(Locale.ROOT)}${BUILD_TYPE.capitalize(Locale.ROOT)}"
+    }
+}
diff --git a/buildSrc/src/main/kotlin/Fields.kt b/buildSrc/src/main/kotlin/Fields.kt
new file mode 100644
index 0000000000..fa8d828326
--- /dev/null
+++ b/buildSrc/src/main/kotlin/Fields.kt
@@ -0,0 +1,5 @@
+object Fields {
+    const val SERVICE_URL = "SERVICE_URL"
+    const val SERVICE_API_KEY = "SERVICE_API_KEY" // optional
+    const val SERVICE_CERTIFICATE_PATH = "SERVICE_CERTIFICATE_PATH" // optional
+}
diff --git a/buildSrc/src/main/kotlin/ModuleDependency.kt b/buildSrc/src/main/kotlin/ModuleDependency.kt
new file mode 100644
index 0000000000..182d06121c
--- /dev/null
+++ b/buildSrc/src/main/kotlin/ModuleDependency.kt
@@ -0,0 +1,47 @@
+import org.gradle.api.artifacts.Dependency
+import org.gradle.api.artifacts.dsl.DependencyHandler
+import kotlin.reflect.full.memberProperties
+
+// "Module" means "subproject" in terminology of Gradle API.
+// To be specific each "Android module" is a Gradle "subproject"
+@Suppress("unused")
+object ModuleDependency {
+    // All consts are accessed via reflection
+    const val APP = ":app"
+    const val FEATURE_DATA = ":data"
+
+    // False positive" function can be private"
+    // See: https://youtrack.jetbrains.com/issue/KT-33610
+    /*
+    Return list of all modules in the project
+     */
+    private fun getAllModules() = ModuleDependency::class.memberProperties
+        .filter { it.isConst }
+        .map { it.getter.call().toString() }
+        .toSet()
+
+    /*
+     Return list of feature modules in the project
+     */
+    fun getFeatureModules(): Set<String> {
+        val featurePrefix = ""
+
+        return getAllModules()
+            .filter { it.startsWith(featurePrefix) }
+            .toSet()
+    }
+
+    object Project {
+        fun DependencyHandler.streamer(): Dependency = project(mapOf("path" to ":readium:streamer"))
+        fun DependencyHandler.navigator(): Dependency =
+            project(mapOf("path" to ":readium:navigator"))
+
+        fun DependencyHandler.navigatorMedia2(): Dependency =
+            project(mapOf("path" to ":readium:navigator-media2"))
+
+        fun DependencyHandler.opds(): Dependency = project(mapOf("path" to ":readium:opds"))
+        fun DependencyHandler.lcp(): Dependency = project(mapOf("path" to ":readium:lcp"))
+        fun DependencyHandler.shared(): Dependency = project(mapOf("path" to ":readium:shared"))
+        fun DependencyHandler.app(): Dependency = project(mapOf("path" to ":test-app"))
+    }
+}
diff --git a/buildSrc/src/main/kotlin/Plugins.kt b/buildSrc/src/main/kotlin/Plugins.kt
new file mode 100644
index 0000000000..3bb16df057
--- /dev/null
+++ b/buildSrc/src/main/kotlin/Plugins.kt
@@ -0,0 +1,15 @@
+object Plugins {
+    const val ANDROID_LIBRARY = "com.android.library"
+    const val ANDROID_APPLICATION = "com.android.application"
+    const val ANDROID = "android"
+    const val KOTLIN_PARCELIZE = "kotlin-parcelize"
+    const val KOTLIN_ANDROID = "kotlin-android"
+    const val MAVEN_PUBLISH = "maven-publish"
+    const val DOKKA = "org.jetbrains.dokka"
+    const val KAPT = "kotlin-kapt"
+    const val SAFE_ARGS = "androidx.navigation.safeargs.kotlin"
+    const val DETEKT = "io.gitlab.arturbosch.detekt"
+    const val KTLINT_GRADLE = "org.jlleitschuh.gradle.ktlint"
+    const val ANDROID_JUNIT_5 = "de.mannodermaus.android-junit5"
+    const val DAGGER_HILT = "dagger.hilt.android.plugin"
+}
diff --git a/gradle.properties b/gradle.properties
index cac7c68c14..c064741c76 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,3 +19,5 @@ android.useAndroidX=true
 android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
+
+android.disableAutomaticComponentCreation=true
diff --git a/gradle/libs.versions.toml2 b/gradle/libs.versions.toml
similarity index 56%
rename from gradle/libs.versions.toml2
rename to gradle/libs.versions.toml
index a862ab6d98..4a6306205b 100644
--- a/gradle/libs.versions.toml2
+++ b/gradle/libs.versions.toml
@@ -1,19 +1,17 @@
-# Eventually want to use this for dependencies, but Android Studio is not ready
-
 [versions]
 kotlin = "1.6.10"
 dokka = "1.5.30"
-room = "2.4.0"
+room = "2.4.1"
 coroutines = "1.6.0"
 exoplayer = "2.16.1"
 lifecycle = "2.4.0"
 navigation = "2.3.5"
-constraint = "2.1.2"
+constraint = "2.1.3"
 androidx-core = "1.7.0"
-material = "1.4.0"
+material = "1.5.0"
 androidx-browser = "1.4.0"
 activity-ktx = "1.4.0"
-appcompat = "1.4.0"
+appcompat = "1.4.1"
 fragment-ktx = "1.4.0"
 legacy = "1.0.0"
 recyclerview = "1.2.1"
@@ -28,6 +26,15 @@ robolectric = "4.7.3"
 kotlin-junit = "1.6.10"
 assertj = "3.21.0"
 coroutines-test = "1.5.2"
+kovenant = "3.3.0"
+mcxiaoke = "0.5.5"
+zeroturnaround = "1.14"
+media2 = "1.2.1"
+media = "1.6.0"
+viewpager2 = "1.0.0"
+work-runtime = "2.7.1"
+fuel = "2.3.1"
+nanohttpd = "master-SNAPSHOT"
 
 [libraries]
 kotlin-gradle = { group = "org.jetbrains.kotlin", name = "kotlin-gradle-plugin", version.ref = "kotlin" }
@@ -40,11 +47,14 @@ coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutin
 exoplayer-core = { group = "com.google.android.exoplayer", name = "exoplayer-core", version.ref = "exoplayer" }
 exoplayer-ui = { group = "com.google.android.exoplayer", name = "exoplayer-ui", version.ref = "exoplayer" }
 exoplayer-mediasession = { group = "com.google.android.exoplayer", name = "extension-mediasession", version.ref = "exoplayer" }
+exoplayer-extension-media2 = { group = "com.google.android.exoplayer", name = "extension-media2", version.ref = "exoplayer" }
 exoplayer-workmanager = { group = "com.google.android.exoplayer", name = "extension-workmanager", version.ref = "exoplayer" }
 lifecycle-livedata = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "lifecycle" }
 lifecycle-runtime = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycle" }
 lifecycle-viewmodel = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-ktx", version.ref = "lifecycle" }
 lifecycle-vmsavedstate = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-savedstate", version.ref = "lifecycle" }
+lifecycle-extensions = { group = "androidx.lifecycle", name = "lifecycle-extensions", version = "2.2.0" }
+lifecycle-compiler = { group = "androidx.lifecycle", name = "lifecycle-compiler", version.ref = "lifecycle" }
 navigation-fragment = { group = "androidx.navigation", name = "navigation-fragment-ktx", version.ref = "navigation" }
 navigation-ui = { group = "androidx.navigation", name = "navigation-ui-ktx", version.ref = "navigation" }
 activity-ktx = { group = "androidx.activity", name = "activity-ktx", version.ref = "activity-ktx" }
@@ -68,13 +78,48 @@ robolectric = { group = "org.robolectric", name = "robolectric", version.ref = "
 kotlin-junit = { group = "org.jetbrains.kotlin", name = "kotlin-test-junit", version.ref = "kotlin-junit" }
 assertj = { group = "org.assertj", name = "assertj-core", version.ref = "assertj" }
 coroutines-test = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-test", version.ref = "coroutines-test" }
+kovenant-base = { group = "nl.komponents.kovenant", name = "kovenant", version.ref = "kovenant" }
+kovenant-android = { group = "nl.komponents.kovenant", name = "kovenant-android", version.ref = "kovenant" }
+kovenant-combine = { group = "nl.komponents.kovenant", name = "kovenant-combine", version.ref = "kovenant" }
+kovenant-core = { group = "nl.komponents.kovenant", name = "kovenant-core", version.ref = "kovenant" }
+kovenant-functional = { group = "nl.komponents.kovenant", name = "kovenant-functional", version.ref = "kovenant" }
+kovenant-jvm = { group = "nl.komponents.kovenant", name = "kovenant-jvm", version.ref = "kovenant" }
+mcxiaoke-async = { group = "com.mcxiaoke.koi", name = "async", version.ref = "mcxiaoke" }
+mcxiaoke-core = { group = "com.mcxiaoke.koi", name = "core", version.ref = "mcxiaoke" }
+zeroturnaround = { group = "org.zeroturnaround", name = "zt-zip", version.ref = "zeroturnaround" }
+media2-session = { group = "androidx.media2", name = "media2-session", version.ref = "media2" }
+media2-player = { group = "androidx.media2", name = "media2-player", version.ref = "media2" }
+androidx-media = { group = "androidx.media", name = "media", version.ref = "media" }
+androidx-viewpager2 = { group = "androidx.viewpager2", name = "viewpager2", version.ref = "viewpager2" }
+androidx-work-runtime = { group = "androidx.work", name = "work-runtime-ktx", version.ref = "work-runtime" }
+rtl-viewpager = { group = "com.duolingo.open", name = "rtl-viewpager", version = "1.0.3" }
+pdf-viewer = { group = "com.github.barteksc", name = "android-pdf-viewer", version = "2.8.2" }
+photoview = { group = "com.github.chrisbanes", name = "PhotoView", version = "2.3.0" }
+shopgun-utils = { group = "com.shopgun.android", name = "utils", version = "1.0.9" }
+fuel-android = { group = "com.github.kittinunf.fuel", name = "fuel-android", version.ref = "fuel" }
+fuel-core = { group = "com.github.kittinunf.fuel", name = "fuel", version.ref = "fuel" }
+kotlin-reflect = { group = "org.jetbrains.kotlin", name = "kotlin-reflect", version = "1.6.10" }
+nanohttpd-core = { group = "com.github.edrlab.nanohttpd", name = "nanohttpd", version.ref = "nanohttpd" }
+nanohttpd-nanolets = { group = "com.github.edrlab.nanohttpd", name = "nanohttpd-nanolets", version.ref = "nanohttpd" }
+pdfium-android = { group = "com.github.barteksc", name = "pdfium-android", version = "1.8.2" }
+androidx-cardview = { group = "androidx.cardview", name = "cardview", version = "1.0.0" }
+androidx-paging = { group = "androidx.paging", name = "paging-runtime-ktx", version = "3.1.1" }
+picasso = { group = "com.squareup.picasso", name = "picasso", version = "2.71828" }
+
+kotlin-stdlib-jdk8 = { group = "org.jetbrains.kotlin", name = "kotlin-stdlib-jdk8", version = "1.7.10" }
+
 
 [bundles]
-room = ["room-runtime", "room-compiler"]
-exoplayer = ["exoplayer-core", "exoplayer-ui", "exoplayer-mediasession", "exoplayer-workmanager"]
+room = ["room-runtime", "room-ktx"]
+exoplayer = ["exoplayer-core", "exoplayer-ui", "exoplayer-mediasession", "exoplayer-extension-media2", "exoplayer-workmanager"]
 coroutines = ["coroutines-core", "coroutines-android"]
 lifecycle = ["lifecycle-livedata", "lifecycle-runtime", "lifecycle-viewmodel", "lifecycle-vmsavedstate"]
 navigation = ["navigation-fragment", "navigation-ui"]
+mcxiaoke = ["mcxiaoke-async", "mcxiaoke-core"]
+media2 = ["media2-session", "media2-player"]
+fuel = ["fuel-android", "fuel-core"]
+nanohttpd = ["nanohttpd-core", "nanohttpd-nanolets"]
+kovenant = ["kovenant-base", "kovenant-android", "kovenant-combine", "kovenant-core", "kovenant-functional", "kovenant-jvm"]
 test-frameworks = ["junit", "ext-junit", "expresso-core", "robolectric", "kotlin-junit", "assertj", "coroutines-test"]
 
 [plugins]
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ffed3a254e..be08841210 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
+#Mon Aug 22 14:58:22 TRT 2022
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
diff --git a/readium/lcp/build.gradle.kts b/readium/lcp/build.gradle.kts
index 9e129f175a..0371c09b83 100644
--- a/readium/lcp/build.gradle.kts
+++ b/readium/lcp/build.gradle.kts
@@ -1,3 +1,5 @@
+import ModuleDependency.Project.shared
+
 /*
  * Copyright 2018 Readium Foundation. All rights reserved.
  * Use of this source code is governed by the BSD-style license
@@ -5,21 +7,21 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
-    id("kotlin-parcelize")
-    id("kotlin-kapt")
-    id("maven-publish")
-    id("org.jetbrains.dokka")
+    id(Plugins.ANDROID_LIBRARY)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KOTLIN_PARCELIZE)
+    id(Plugins.KAPT)
+    id(Plugins.MAVEN_PUBLISH)
+    id(Plugins.DOKKA)
 }
 
 android {
 
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -31,7 +33,7 @@ android {
         allWarningsAsErrors = true
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -41,9 +43,9 @@ android {
 afterEvaluate {
     publishing {
         publications {
-            create<MavenPublication>("release") {
-                from(components.getByName("release"))
-                groupId = "com.github.readium"
+            create<MavenPublication>(Flavors.BuildTypes.RELEASE) {
+                from(components.getByName(Flavors.BuildTypes.RELEASE))
+                groupId = AndroidConfig.GROUP_ID
                 artifactId = "readium-lcp"
                 artifact(tasks.findByName("sourcesJar"))
                 artifact(tasks.findByName("javadocsJar"))
@@ -55,32 +57,27 @@ afterEvaluate {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
 
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+    implementation(libs.coroutines.core)
 
-    api(project(":readium:shared"))
+    api(shared())
 
-    implementation("androidx.constraintlayout:constraintlayout:2.1.3")
-    implementation("androidx.core:core-ktx:1.7.0")
-    implementation("com.google.android.material:material:1.5.0")
-    implementation("com.jakewharton.timber:timber:5.0.1")
-    implementation("com.mcxiaoke.koi:async:0.5.5") {
-        exclude(module = "support-v4")
-    }
-    implementation("com.mcxiaoke.koi:core:0.5.5") {
+    implementation(libs.constraint.layout)
+    implementation(libs.androidx.core)
+    implementation(libs.material)
+    implementation(libs.timber)
+    implementation(libs.bundles.mcxiaoke) {
         exclude(module = "support-v4")
     }
-    implementation("joda-time:joda-time:2.10.13")
-    implementation("org.zeroturnaround:zt-zip:1.14")
-    implementation("androidx.browser:browser:1.4.0")
+    implementation(libs.joda.time)
+    implementation(libs.zeroturnaround)
+    implementation(libs.androidx.browser)
 
     // Room database
-    val roomVersion = "2.4.1"
-    implementation("androidx.room:room-runtime:$roomVersion")
-    implementation("androidx.room:room-ktx:$roomVersion")
-    kapt("androidx.room:room-compiler:$roomVersion")
+    implementation(libs.bundles.room)
+    kapt(libs.room.compiler)
 
     // Tests
-    testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }
diff --git a/readium/navigator-media2/build.gradle.kts b/readium/navigator-media2/build.gradle.kts
index bb00fa18d7..03ab7155ae 100644
--- a/readium/navigator-media2/build.gradle.kts
+++ b/readium/navigator-media2/build.gradle.kts
@@ -1,3 +1,6 @@
+import ModuleDependency.Project.navigator
+import ModuleDependency.Project.shared
+
 /*
  * Copyright 2022 Readium Foundation. All rights reserved.
  * Use of this source code is governed by the BSD-style license
@@ -5,22 +8,22 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
-    id("kotlin-parcelize")
-    id("maven-publish")
-    id("org.jetbrains.dokka")
+    id(Plugins.ANDROID_LIBRARY)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KOTLIN_PARCELIZE)
+    id(Plugins.MAVEN_PUBLISH)
+    id(Plugins.DOKKA)
 }
 
 android {
     resourcePrefix = "readium_"
 
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
 
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -31,7 +34,7 @@ android {
         freeCompilerArgs = freeCompilerArgs + "-Xopt-in=kotlin.RequiresOptIn"
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -44,9 +47,9 @@ android {
 afterEvaluate {
     publishing {
         publications {
-            create<MavenPublication>("release") {
-                from(components.getByName("release"))
-                groupId = "com.github.readium"
+            create<MavenPublication>(Flavors.BuildTypes.RELEASE) {
+                from(components.getByName(Flavors.BuildTypes.RELEASE))
+                groupId = AndroidConfig.GROUP_ID
                 artifactId = "readium-navigator-media2"
                 artifact(tasks.findByName("sourcesJar"))
                 artifact(tasks.findByName("javadocsJar"))
@@ -58,22 +61,20 @@ afterEvaluate {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
 
-    api(project(":readium:shared"))
-    api(project(":readium:navigator"))
+    api(shared())
+    api(navigator())
 
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+    implementation(libs.bundles.coroutines)
 
-    implementation("com.jakewharton.timber:timber:5.0.1")
+    implementation(libs.timber)
 
-    implementation("androidx.media2:media2-session:1.2.0")
-    implementation("androidx.media2:media2-player:1.2.0")
+    implementation(libs.bundles.media2)
 
-    implementation("com.google.android.exoplayer:exoplayer-core:2.16.1")
-    implementation("com.google.android.exoplayer:extension-media2:2.16.1")
+    implementation(libs.exoplayer.core)
+    implementation(libs.exoplayer.extension.media2)
 
-    testImplementation("junit:junit:4.13.2")
+    testImplementation(libs.junit)
 
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }
diff --git a/readium/navigator/build.gradle.kts b/readium/navigator/build.gradle.kts
index 27ca2bbdc3..0d29364093 100644
--- a/readium/navigator/build.gradle.kts
+++ b/readium/navigator/build.gradle.kts
@@ -1,3 +1,5 @@
+import ModuleDependency.Project.shared
+
 /*
  * Copyright 2018 Readium Foundation. All rights reserved.
  * Use of this source code is governed by the BSD-style license
@@ -5,23 +7,23 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
-    id("kotlin-parcelize")
-    id("maven-publish")
-    id("org.jetbrains.dokka")
+    id(Plugins.ANDROID_LIBRARY)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KOTLIN_PARCELIZE)
+    id(Plugins.MAVEN_PUBLISH)
+    id(Plugins.DOKKA)
 }
 
 android {
     // FIXME: This doesn't pass the lint because some resources don"t start with r2_ yet. We need to rename all resources for the next major version.
 //    resourcePrefix "r2_"
 
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
 
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -32,7 +34,7 @@ android {
         freeCompilerArgs = freeCompilerArgs + "-Xopt-in=kotlin.RequiresOptIn"
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -45,9 +47,9 @@ android {
 afterEvaluate {
     publishing {
         publications {
-            create<MavenPublication>("release") {
-                from(components.getByName("release"))
-                groupId = "com.github.readium"
+            create<MavenPublication>(Flavors.BuildTypes.RELEASE) {
+                from(components.getByName(Flavors.BuildTypes.RELEASE))
+                groupId = AndroidConfig.GROUP_ID
                 artifactId = "readium-navigator"
                 artifact(tasks.findByName("sourcesJar"))
                 artifact(tasks.findByName("javadocsJar"))
@@ -59,51 +61,42 @@ afterEvaluate {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
 
-    api(project(":readium:shared"))
+    api(shared())
 
-    implementation("androidx.activity:activity-ktx:1.4.0")
-    implementation("androidx.appcompat:appcompat:1.4.1")
-    implementation("androidx.browser:browser:1.4.0")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.3")
-    implementation("androidx.core:core-ktx:1.7.0")
-    implementation("androidx.fragment:fragment-ktx:1.4.0")
-    implementation("androidx.legacy:legacy-support-core-ui:1.0.0")
-    implementation("androidx.legacy:legacy-support-v4:1.0.0")
-    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.4.0")
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.4.0")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-savedstate:2.4.0")
-    implementation("androidx.recyclerview:recyclerview:1.2.1")
-    implementation("androidx.media:media:1.4.3")
-    implementation("androidx.viewpager2:viewpager2:1.0.0")
-    implementation("androidx.webkit:webkit:1.4.0")
+    implementation(libs.activity.ktx)
+    implementation(libs.appcompat)
+    implementation(libs.androidx.browser)
+    implementation(libs.constraint.layout)
+    implementation(libs.androidx.core)
+    implementation(libs.fragment.ktx)
+    implementation(libs.legacy.ui)
+    implementation(libs.legacy.v4)
+    implementation(libs.bundles.lifecycle)
+    implementation(libs.recyclerview)
+    implementation(libs.androidx.media)
+    implementation(libs.androidx.viewpager2)
+    implementation(libs.webkit)
     // Needed to avoid a crash with API 31, see https://stackoverflow.com/a/69152986/1474476
-    implementation("androidx.work:work-runtime-ktx:2.7.1")
-    implementation("com.duolingo.open:rtl-viewpager:1.0.3")
-    api("com.github.barteksc:android-pdf-viewer:2.8.2")
+    implementation(libs.androidx.work.runtime)
+    implementation(libs.rtl.viewpager)
+    api(libs.pdf.viewer)
     // ChrisBane/PhotoView ( for the Zoom handling )
-    implementation("com.github.chrisbanes:PhotoView:2.3.0")
+    implementation(libs.photoview)
 
-    implementation("androidx.media2:media2-session:1.2.0")
-    implementation("androidx.media2:media2-player:1.2.0")
+    implementation(libs.bundles.media2)
     // ExoPlayer is used by the Audio Navigator.
-    api("com.google.android.exoplayer:exoplayer-core:2.16.1")
-    api("com.google.android.exoplayer:exoplayer-ui:2.16.1")
-    api("com.google.android.exoplayer:extension-mediasession:2.16.1")
-    api("com.google.android.exoplayer:extension-media2:2.16.1")
-    api("com.google.android.exoplayer:extension-workmanager:2.16.1")
-    implementation("com.google.android.material:material:1.5.0")
-    implementation("com.jakewharton.timber:timber:5.0.1")
-    implementation("com.shopgun.android:utils:1.0.9")
-    implementation("joda-time:joda-time:2.10.13")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+    api(libs.bundles.exoplayer)
+    implementation(libs.material)
+    implementation(libs.timber)
+    implementation(libs.shopgun.utils)
+    implementation(libs.joda.time)
+    implementation(libs.bundles.coroutines)
     // AM NOTE: needs to stay this version for now (June 24,2020)
     //noinspection GradleDependency
-    implementation("org.jsoup:jsoup:1.14.3")
+    implementation(libs.jsoup)
 
     // Tests
-    testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }
diff --git a/readium/opds/build.gradle.kts b/readium/opds/build.gradle.kts
index 7d24433244..2735858903 100644
--- a/readium/opds/build.gradle.kts
+++ b/readium/opds/build.gradle.kts
@@ -1,3 +1,5 @@
+import ModuleDependency.Project.shared
+
 /*
  * Copyright 2018 Readium Foundation. All rights reserved.
  * Use of this source code is governed by the BSD-style license
@@ -5,19 +7,19 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
-    id("kotlin-parcelize")
-    id("maven-publish")
-    id("org.jetbrains.dokka")
+    id(Plugins.ANDROID_LIBRARY)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KOTLIN_PARCELIZE)
+    id(Plugins.MAVEN_PUBLISH)
+    id(Plugins.DOKKA)
 }
 
 android {
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -27,7 +29,7 @@ android {
         unitTests.isIncludeAndroidResources = true
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -37,9 +39,9 @@ android {
 afterEvaluate {
     publishing {
         publications {
-            create<MavenPublication>("release") {
-                from(components.getByName("release"))
-                groupId = "com.github.readium"
+            create<MavenPublication>(Flavors.BuildTypes.RELEASE) {
+                from(components.getByName(Flavors.BuildTypes.RELEASE))
+                groupId = AndroidConfig.GROUP_ID
                 artifactId = "readium-opds"
                 artifact(tasks.findByName("sourcesJar"))
                 artifact(tasks.findByName("javadocsJar"))
@@ -51,17 +53,17 @@ afterEvaluate {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
 
-    api(project(":readium:shared"))
+    api(shared())
 
-    implementation("androidx.appcompat:appcompat:1.4.1")
-    implementation("com.jakewharton.timber:timber:5.0.1")
-    implementation("joda-time:joda-time:2.10.13")
-    implementation("nl.komponents.kovenant:kovenant:3.3.0")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+    implementation(libs.appcompat)
+    implementation(libs.timber)
+    implementation(libs.joda.time)
+    implementation(libs.kovenant.base)
+    implementation(libs.coroutines.core)
 
     // Tests
-    testImplementation("junit:junit:4.13.2")
-    testImplementation("org.robolectric:robolectric:4.7.3")
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    testImplementation(libs.junit)
+    testImplementation(libs.robolectric)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }
diff --git a/readium/shared/build.gradle.kts b/readium/shared/build.gradle.kts
index 5058c61d6d..371ca28bd0 100644
--- a/readium/shared/build.gradle.kts
+++ b/readium/shared/build.gradle.kts
@@ -5,19 +5,19 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
-    id("kotlin-parcelize")
-    id("maven-publish")
-    id("org.jetbrains.dokka")
+    id(Plugins.ANDROID_LIBRARY)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KOTLIN_PARCELIZE)
+    id(Plugins.MAVEN_PUBLISH)
+    id(Plugins.DOKKA)
 }
 
 android {
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -31,7 +31,7 @@ android {
         unitTests.isIncludeAndroidResources = true
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -41,9 +41,9 @@ android {
 afterEvaluate {
     publishing {
         publications {
-            create<MavenPublication>("release") {
-                from(components.getByName("release"))
-                groupId = "com.github.readium"
+            create<MavenPublication>(Flavors.BuildTypes.RELEASE) {
+                from(components.getByName(Flavors.BuildTypes.RELEASE))
+                groupId = AndroidConfig.GROUP_ID
                 artifactId = "readium-shared"
                 artifact(tasks.findByName("sourcesJar"))
                 artifact(tasks.findByName("javadocsJar"))
@@ -55,29 +55,23 @@ afterEvaluate {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
 
-    implementation("androidx.appcompat:appcompat:1.4.1")
-    implementation("androidx.browser:browser:1.4.0")
-    implementation("com.github.kittinunf.fuel:fuel-android:2.3.1")
-    implementation("com.github.kittinunf.fuel:fuel:2.3.1")
-    implementation("com.jakewharton.timber:timber:5.0.1")
-    implementation("joda-time:joda-time:2.10.13")
-    implementation("nl.komponents.kovenant:kovenant-android:3.3.0")
-    implementation("nl.komponents.kovenant:kovenant-combine:3.3.0")
-    implementation("nl.komponents.kovenant:kovenant-core:3.3.0")
-    implementation("nl.komponents.kovenant:kovenant-functional:3.3.0")
-    implementation("nl.komponents.kovenant:kovenant-jvm:3.3.0")
-    implementation("nl.komponents.kovenant:kovenant:3.3.0")
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.6.10")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
-    implementation("org.jsoup:jsoup:1.14.3")
+    implementation(libs.appcompat)
+    implementation(libs.androidx.browser)
+    implementation(libs.bundles.fuel)
+    implementation(libs.timber)
+    implementation(libs.joda.time)
+    implementation(libs.bundles.kovenant)
+    implementation(libs.kotlin.reflect)
+    implementation(libs.coroutines.core)
+    implementation(libs.jsoup)
 
     // Tests
-    testImplementation("junit:junit:4.13.2")
-    testImplementation("org.assertj:assertj-core:3.22.0")
-    testImplementation("org.jetbrains.kotlin:kotlin-test-junit:1.6.10")
-    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.0")
-    testImplementation("org.robolectric:robolectric:4.7.3")
+    testImplementation(libs.junit)
+    testImplementation(libs.assertj)
+    testImplementation(libs.kotlin.junit)
+    testImplementation(libs.coroutines.test)
+    testImplementation(libs.robolectric)
 
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }
diff --git a/readium/streamer/build.gradle.kts b/readium/streamer/build.gradle.kts
index 059b1090ab..a3eedd2b1e 100644
--- a/readium/streamer/build.gradle.kts
+++ b/readium/streamer/build.gradle.kts
@@ -1,3 +1,5 @@
+import ModuleDependency.Project.shared
+
 /*
  * Copyright 2018 Readium Foundation. All rights reserved.
  * Use of this source code is governed by the BSD-style license
@@ -5,19 +7,19 @@
  */
 
 plugins {
-    id("com.android.library")
-    id("kotlin-android")
-    id("kotlin-parcelize")
-    id("maven-publish")
-    id("org.jetbrains.dokka")
+    id(Plugins.ANDROID_LIBRARY)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KOTLIN_PARCELIZE)
+    id(Plugins.MAVEN_PUBLISH)
+    id(Plugins.DOKKA)
 }
 
 android {
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
@@ -31,7 +33,7 @@ android {
         allWarningsAsErrors = true
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -41,9 +43,9 @@ android {
 afterEvaluate {
     publishing {
         publications {
-            create<MavenPublication>("release") {
-                from(components.getByName("release"))
-                groupId = "com.github.readium"
+            create<MavenPublication>(Flavors.BuildTypes.RELEASE) {
+                from(components.getByName(Flavors.BuildTypes.RELEASE))
+                groupId = AndroidConfig.GROUP_ID
                 artifactId = "readium-streamer"
                 artifact(tasks.findByName("sourcesJar"))
                 artifact(tasks.findByName("javadocsJar"))
@@ -55,33 +57,27 @@ afterEvaluate {
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
 
-    api(project(":readium:shared"))
+    api(shared())
 
-    implementation("androidx.appcompat:appcompat:1.4.1")
+    implementation(libs.appcompat)
     @Suppress("GradleDependency")
-    implementation("com.github.barteksc:pdfium-android:1.8.2")
-    implementation("com.jakewharton.timber:timber:5.0.1")
-    implementation("com.github.edrlab.nanohttpd:nanohttpd:master-SNAPSHOT") {
-        exclude(group = "org.parboiled")
-    }
-    implementation("com.github.edrlab.nanohttpd:nanohttpd-nanolets:master-SNAPSHOT") {
+    implementation(libs.pdfium.android)
+    implementation(libs.timber)
+    implementation(libs.bundles.nanohttpd) {
         exclude(group = "org.parboiled")
     }
     //AM NOTE: conflicting support libraries, excluding these
-    implementation("com.mcxiaoke.koi:core:0.5.5") {
-        exclude(module = "support-v4")
-    }
     // useful extensions (only ~100k)
-    implementation("com.mcxiaoke.koi:async:0.5.5") {
+    implementation(libs.bundles.mcxiaoke) {
         exclude(module = "support-v4")
     }
-    implementation("joda-time:joda-time:2.10.13")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+    implementation(libs.joda.time)
+    implementation(libs.coroutines.core)
 
     // Tests
-    testImplementation("junit:junit:4.13.2")
-    testImplementation("org.assertj:assertj-core:3.22.0")
-    testImplementation("org.robolectric:robolectric:4.7.3")
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    testImplementation(libs.junit)
+    testImplementation(libs.assertj)
+    testImplementation(libs.robolectric)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index cbc6e1d962..4dac5a3438 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -4,8 +4,7 @@
  * available in the top-level LICENSE file of the project.
  */
 
-// FIXME: Android Studio doesn't support the gradle/libs.versions.toml2 well yet.
-//enableFeaturePreview("VERSION_CATALOGS")
+enableFeaturePreview("VERSION_CATALOGS")
 
 pluginManagement {
     repositories {
diff --git a/test-app/build.gradle.kts b/test-app/build.gradle.kts
index 8668c53e61..186e9bc6c9 100644
--- a/test-app/build.gradle.kts
+++ b/test-app/build.gradle.kts
@@ -1,3 +1,10 @@
+import ModuleDependency.Project.lcp
+import ModuleDependency.Project.navigator
+import ModuleDependency.Project.navigatorMedia2
+import ModuleDependency.Project.opds
+import ModuleDependency.Project.shared
+import ModuleDependency.Project.streamer
+
 /*
  * Copyright 2021 Readium Foundation. All rights reserved.
  * Use of this source code is governed by the BSD-style license
@@ -5,24 +12,25 @@
  */
 
 plugins {
-    id("com.android.application")
-    id("kotlin-android")
-    id("kotlin-kapt")
-    id("kotlin-parcelize")
+    id(Plugins.ANDROID_APPLICATION)
+    id(Plugins.KOTLIN_ANDROID)
+    id(Plugins.KAPT)
+    id(Plugins.KOTLIN_PARCELIZE)
 }
 
 android {
 
-    compileSdk = 31
+    compileSdk = AndroidConfig.COMPILE_SDK_VERSION
     defaultConfig {
-        minSdk = 21
-        targetSdk = 31
 
-        applicationId = "org.readium.r2reader"
+        minSdk = AndroidConfig.MIN_SDK_VERSION
+        targetSdk = AndroidConfig.TARGET_SDK_VERSION
+
+        applicationId = AndroidConfig.APP_ID
 
-        versionName = "2.2.0"
+        versionName = AndroidConfig.VERSION_NAME
 
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner = AndroidConfig.TEST_INSTRUMENTATION_RUNNER
         ndk.abiFilters.add("armeabi-v7a")
         ndk.abiFilters.add("arm64-v8a")
         ndk.abiFilters.add("x86")
@@ -40,7 +48,7 @@ android {
         viewBinding = true
     }
     buildTypes {
-        getByName("release") {
+        getByName(Flavors.BuildTypes.RELEASE) {
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android.txt"))
         }
@@ -50,7 +58,7 @@ android {
     }
 
     sourceSets {
-        getByName("main") {
+        getByName(Flavors.Default.MAIN) {
             java.srcDirs("src/main/java")
             res.srcDirs("src/main/res")
             assets.srcDirs("src/main/assets")
@@ -60,62 +68,55 @@ android {
 
 dependencies {
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar"))))
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.10")
-    implementation("androidx.legacy:legacy-support-v4:1.0.0")
-
-    implementation(project(":readium:shared"))
-    implementation(project(":readium:streamer"))
-    implementation(project(":readium:navigator"))
-    implementation(project(":readium:navigator-media2"))
-
-    implementation(project(":readium:opds"))
-    implementation(project(":readium:lcp"))
-
-    implementation("androidx.core:core-ktx:1.7.0")
-    implementation("androidx.activity:activity-ktx:1.4.0")
-    implementation("androidx.appcompat:appcompat:1.4.1")
-    implementation("androidx.browser:browser:1.4.0")
-    implementation("androidx.cardview:cardview:1.0.0")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.3")
-    implementation("androidx.fragment:fragment-ktx:1.4.0")
-    implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.4.0")
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.4.0")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0")
-    implementation("androidx.navigation:navigation-fragment-ktx:2.3.5")
-    implementation("androidx.navigation:navigation-ui-ktx:2.3.5")
-    implementation("androidx.paging:paging-runtime-ktx:3.1.0")
-    implementation("androidx.recyclerview:recyclerview:1.2.1")
-    implementation("androidx.viewpager2:viewpager2:1.0.0")
-    implementation("androidx.webkit:webkit:1.4.0")
-    implementation("com.github.edrlab.nanohttpd:nanohttpd:master-SNAPSHOT") {
-        exclude(group = "org.parboiled")
-    }
-    implementation("com.github.edrlab.nanohttpd:nanohttpd-nanolets:master-SNAPSHOT") {
+    implementation(libs.kotlin.stdlib.jdk8)
+    implementation(libs.legacy.v4)
+
+    implementation(shared())
+    implementation(streamer())
+    implementation(navigator())
+    implementation(navigatorMedia2())
+
+    implementation(opds())
+    implementation(lcp())
+
+    implementation(libs.androidx.core)
+    implementation(libs.activity.ktx)
+    implementation(libs.appcompat)
+    implementation(libs.androidx.browser)
+    implementation(libs.androidx.cardview)
+    implementation(libs.constraint.layout)
+    implementation(libs.fragment.ktx)
+    implementation(libs.lifecycle.livedata)
+    implementation(libs.lifecycle.runtime)
+    implementation(libs.lifecycle.viewmodel)
+    implementation(libs.bundles.navigation)
+    implementation(libs.androidx.paging)
+    implementation(libs.recyclerview)
+    implementation(libs.androidx.viewpager2)
+    implementation(libs.webkit)
+    implementation(libs.bundles.nanohttpd) {
         exclude(group = "org.parboiled")
     }
-    implementation("com.google.android.material:material:1.5.0")
-    implementation("com.jakewharton.timber:timber:5.0.1")
+    implementation(libs.material)
+    implementation(libs.timber)
     // AM NOTE: needs to stay this version for now (June 24,2020)
-    implementation("com.squareup.picasso:picasso:2.71828")
-    implementation("joda-time:joda-time:2.10.13")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0")
+    implementation(libs.picasso)
+    implementation(libs.joda.time)
+    implementation(libs.coroutines.core)
     // AM NOTE: needs to stay this version for now (June 24,2020)
-    implementation("org.jsoup:jsoup:1.14.3")
+    implementation(libs.jsoup)
 
-    implementation("androidx.media2:media2-session:1.2.0")
-    implementation("androidx.media2:media2-player:1.2.0")
+    implementation(libs.bundles.media2)
 
     // Room database
-    val roomVersion = "2.4.1"
-    implementation("androidx.room:room-runtime:$roomVersion")
-    implementation("androidx.room:room-ktx:$roomVersion")
-    kapt("androidx.room:room-compiler:$roomVersion")
+    implementation(libs.bundles.room)
+    kapt(libs.room.compiler)
 
-    implementation("androidx.lifecycle:lifecycle-extensions:2.2.0")
-    kapt("androidx.lifecycle:lifecycle-compiler:2.4.0")
+    implementation(libs.lifecycle.extensions)
+    kapt(libs.lifecycle.compiler)
 
     // Tests
-    testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("androidx.test.ext:junit:1.1.3")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.expresso.core)
 }