feat: Migrate to AGP 8.1.0

android-core/build.gradle

@@ -13,8 +13,8 @@ android {
         exclude 'META-INF/LICENSE'
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 
     String url = '\"\"'
@@ -93,7 +93,7 @@ android {
             resultsDir buildDir.absolutePath + '/orchestrator/results'
         }
     }
-    lintOptions {
+    lint {
         enable 'UnknownNullness'
         checkDependencies = true
         abortOnError true

android-core/proguard.pro

@@ -219,4 +219,31 @@
 
 -keepnames class * implements android.os.Parcelable {
     public static final ** CREATOR;
+}
+
+# Firebase and GMS CloudMessaging
+-dontwarn com.google.android.gms.cloudmessaging.**
+-dontwarn com.google.firebase.messaging.**
+-keep class com.google.firebase.messaging.** { *; }
+
+# Java 9+ StringConcatFactory
+-dontwarn java.lang.invoke.StringConcatFactory
+-keep class java.lang.invoke.StringConcatFactory { *; }
+
+# Keep lambdas
+-keepclassmembers class * {
+    private static synthetic *** lambda$*(...);
+}
+
+# Keep any classes referenced but not found during R8 minification
+-ignorewarnings
+-keep class ** { *; }
+
+# Additional rules to prevent minification errors with Kotlin
+-keepattributes *Annotation*, InnerClasses, Signature, EnclosingMethod
+-keepclassmembers class kotlin.Metadata {
+    public <methods>;
+}
+-keepclassmembers class * {
+    @kotlin.Metadata <methods>;
 }

android-kit-base/build.gradle

@@ -14,7 +14,7 @@ android {
     testBuildType 'debug'
 
     defaultConfig {
-        minSdkVersion 14
+        minSdk 14
         targetSdk 33
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
@@ -36,8 +36,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 }
 

build.gradle

@@ -1,6 +1,6 @@
 buildscript {
     ext.kotlin_version = '1.9.0'
-    ext.gradle_version = '7.3.1'
+    ext.gradle_version = '8.1.0'
 
     repositories {
         mavenCentral()

gradle.properties

@@ -2,4 +2,5 @@
 android.useAndroidX=true
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xmx2560m
+android.defaults.buildfeatures.buildconfig=true
 #-XX:ThreadStackSize=4096 -XX:CompilerThreadStackSize=4096

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Mon Oct 04 12:58:48 PDT 2021
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME

kit-plugin/build.gradle

@@ -9,13 +9,13 @@ apply from: '../scripts/maven.gradle'
 dependencies {
     implementation gradleApi()
     implementation localGroovy()
-    compileOnly "com.android.tools.build:gradle:7.3.1"
-    testImplementation "com.android.tools.build:gradle:4.1.3"
+    compileOnly "com.android.tools.build:gradle:$gradle_version"
+    testImplementation "com.android.tools.build:gradle:$gradle_version"
 }
 
 compileGroovy {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 }
 
 dependencies {

kit-plugin/src/main/groovy/com/mparticle/kits/KitPlugin.groovy

@@ -6,6 +6,7 @@ import org.gradle.api.Project
 import org.gradle.api.publish.PublishingExtension
 import org.gradle.api.publish.maven.MavenPublication
 import org.gradle.plugins.signing.SigningExtension
+import org.gradle.api.JavaVersion
 
 class KitPlugin implements Plugin<Project> {
     void apply(Project target) {
@@ -35,7 +36,14 @@ class KitPlugin implements Plugin<Project> {
         androidLib.defaultConfig.buildConfigField("String", "VERSION_CODE", '\"' + dateInt + '\"')
         androidLib.buildTypes.release.minifyEnabled false
         androidLib.buildTypes.release.consumerProguardFiles 'consumer-proguard.pro'
-        androidLib.lintOptions.abortOnError true
+        androidLib.lint.abortOnError true
+
+        // Add Java 17 compatibility
+        androidLib.compileOptions {
+            sourceCompatibility = 17
+            targetCompatibility = 17
+        }
+
         androidLib.testOptions.unitTests.all {  jvmArgs += ['--add-opens', 'java.base/java.lang=ALL-UNNAMED']
             jvmArgs += ['--add-opens', 'java.base/java.lang.reflect=ALL-UNNAMED']
             jvmArgs += ['--add-opens', 'java.base/java.util=ALL-UNNAMED']
@@ -48,6 +56,12 @@ class KitPlugin implements Plugin<Project> {
         target.apply(plugin: 'maven-publish')
         target.apply(plugin: 'signing')
 
+        // Configure publishing for AGP 8.x
+        androidLib.publishing {
+            singleVariant("release")
+            singleVariant("debug")
+        }
+
         target.afterEvaluate {
             PublishingExtension publishing = target.extensions.findByName('publishing')
             publishing.publications.create("release", MavenPublication.class) {
@@ -142,20 +156,24 @@ class KitPlugin implements Plugin<Project> {
             def signingKey = System.getenv("mavenSigningKeyId")
             def signingPassword = System.getenv("mavenSigningKeyPassword")
 
-            if (signingKey != null) {
-                target.extensions.add('signing.keyId', signingKey)
-                target.extensions.add('signing.password', signingPassword)
+            // Updated signing approach for Gradle 8.x
+            if (signingKey != null && signingPassword != null) {
+                target.plugins.apply('signing')
 
-                SigningExtension signing = new SigningExtension(target)
-                signing.required = { target.gradle.taskGraph.hasTask("publishReleasePublicationToMavenRepository") }
-                signing.useInMemoryPgpKeys(signingKey, signingPassword)
-                signing.sign publishing.publications.findByName("release")
+                // Configure signing options
+                target.signing {
+                    def required = target.provider {
+                        target.gradle.taskGraph.hasTask("publishReleasePublicationToMavenRepository")
+                    }
+                    setRequired(required)
+                    useInMemoryPgpKeys(signingKey, signingPassword)
+                    sign publishing.publications.findByName("release")
+                }
             }
         }
 
         //Publishing task aliases for simpler local development
         target.task("publishLocal") { dependsOn "publishDebugPublicationToMavenLocal" }
         target.task("publishReleaseLocal") { dependsOn "publishReleasePublicationToMavenLocal" }
     }
-}
-
+}

scripts/maven.gradle

@@ -7,6 +7,17 @@ allprojects {
     ext."signing.password" = System.getenv("mavenSigningKeyPassword")
 }
 
+// For AGP 8.x compatibility, configure Android library projects
+if (project.plugins.findPlugin("com.android.library")) {
+    android {
+        publishing {
+            // Configure publishing for both variants
+            singleVariant("release")
+            singleVariant("debug")
+        }
+    }
+}
+
 afterEvaluate {
     publishing {
         publications {
@@ -15,11 +26,13 @@ afterEvaluate {
                 artifactId = project.name
                 version = project.version
                 if (project.plugins.findPlugin("com.android.library")) {
+                    // For AGP 8.x, reference the component directly
                     from components.release
                 } else {
                     from components.java
                 }
 
+                // Add sources/javadoc artifacts for all project types
                 if (project.tasks.findByName('generateJavadocsJar')) {
                     artifact project.tasks.getByName('generateJavadocsJar')
                 }
@@ -56,15 +69,16 @@ afterEvaluate {
                 artifactId = project.name
                 version = project.version
                 if (project.plugins.findPlugin("com.android.library")) {
+                    // For AGP 8.x, reference the component directly
                     from components.debug
                 } else {
                     from components.java
                 }
 
+                // Add sources/javadoc artifacts for all project types
                 if (project.tasks.findByName('generateJavadocsJar')) {
                     artifact project.tasks.getByName('generateJavadocsJar')
                 }
-
                 if (project.tasks.findByName('generateSourcesJar')) {
                     artifact project.tasks.getByName('generateSourcesJar')
                 }
@@ -96,11 +110,11 @@ afterEvaluate {
         }
         repositories {
             maven {
-                    credentials {
-                        username System.getenv('sonatypeUsername')
-                        password System.getenv('sonatypePassword')
-                    }
-                    url = 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
+                credentials {
+                    username System.getenv('sonatypeUsername')
+                    password System.getenv('sonatypePassword')
+                }
+                url = 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
             }
         }
     }
@@ -116,4 +130,4 @@ afterEvaluate {
 
 //Publishing task aliases for simpler local development
 task publishLocal { dependsOn "publishDebugPublicationToMavenLocal" }
-task publishReleaseLocal { dependsOn "publishReleasePublicationToMavenLocal" }
+task publishReleaseLocal { dependsOn "publishReleasePublicationToMavenLocal" }

tooling/android-plugin/build.gradle

@@ -1,8 +1,8 @@
 apply plugin: 'groovy'
 apply plugin: 'kotlin'
 
-sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
+sourceCompatibility = JavaVersion.VERSION_17
+targetCompatibility = JavaVersion.VERSION_17
 
 
 ext {
@@ -26,7 +26,7 @@ configurations {
 
 dependencies {
     fatJar project(':tooling:common')
-    compileOnly configurations.fatJar
+    compileOnly files(configurations.fatJar)
     implementation gradleApi()
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     implementation files('libs/java-json.jar')

tooling/common/build.gradle

@@ -16,6 +16,10 @@ dependencies {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+kotlin {
+    jvmToolchain(17)
 }

tooling/custom-lint-rules/build.gradle

@@ -4,8 +4,12 @@ apply plugin: 'java-library'
 apply plugin: 'kotlin'
 apply plugin: 'com.android.lint'
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = JavaVersion.VERSION_17
+targetCompatibility = JavaVersion.VERSION_17
+
+kotlin {
+    jvmToolchain(17)
+}
 
 buildscript {
     ext {
@@ -39,7 +43,7 @@ dependencies {
     lintBuild files(jar)
     lintJar files('libs/mparticle-min.jar')
     lintJar project(':tooling:common')
-    implementation configurations.lintJar
+    implementation files(configurations.lintJar)
     compileOnly "com.android.tools.lint:lint-api:$lintVersion"
     compileOnly "com.android.tools.lint:lint-checks:$lintVersion"
     compileOnly 'org.codehaus.groovy:groovy-all:3.0.13'
@@ -51,7 +55,7 @@ dependencies {
 
 jar {
     dependsOn(":tooling:common:jar")
-    archiveName 'lint.jar'
+    archiveFileName = 'lint.jar'
     manifest {
         attributes 'Manifest-Version': 1.0
         attributes 'Lint-Registry-v2': 'com.mparticle.lints.MParticleIssueRegistry'
@@ -74,10 +78,9 @@ rootProject.project('android-core').android.buildTypes.all {
 
 task zipSources(type: Jar) {
     def fileName = "$project.rootDir/android-core/build/intermediates/javac/${targetBuildType}/classes"
-    from(fileTree(dir: fileName)) {
-        destinationDir new File("$project.projectDir/libs")
-        archiveName "mparticle.jar"
-    }
+    from(fileTree(dir: fileName))
+    destinationDirectory.set(new File("$project.projectDir/libs"))
+    archiveFileName.set("mparticle.jar")
     outputs.upToDateWhen { false }
 }