libsignal/java/android/build.gradle

plugins {
    id 'com.android.library' version '8.3.0'
    id 'maven-publish'
    id 'signing'
}

archivesBaseName = "libsignal-android"

repositories {
    google()
    mavenCentral()
    mavenLocal()
}

android {
    namespace 'org.signal.libsignal'

    compileSdk 34
    ndkVersion '25.2.9519653'

    defaultConfig {
        minSdkVersion 21
        targetSdkVersion 33
        multiDexEnabled true
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    compileOptions {
        coreLibraryDesugaringEnabled true
        sourceCompatibility JavaVersion.VERSION_17
        targetCompatibility JavaVersion.VERSION_17
    }

    sourceSets {
        androidTest {
            java {
                // Also run all the Android-agnostic tests by default.
                srcDir '../client/src/test/java'
                srcDir '../shared/test/java'
            }
            resources {
                srcDir '../client/src/test/resources'
            }
        }
    }

    packagingOptions {
        jniLibs {
            pickFirst 'lib/*/libsignal_jni.so'
        }
    }

    publishing {
        singleVariant('release')
    }
}

dependencies {
    androidTestImplementation "androidx.test:runner:1.4.0"
    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.6'
    api project(':client')
}

tasks.register('libsWithDebugSymbols', Zip) {
    from 'src/main/jniLibs'
    archiveClassifier = 'debug-symbols'
    dependsOn 'makeJniLibraries'
}

preBuild {
    dependsOn 'collectAssets'
    dependsOn 'makeJniLibraries'
    dependsOn 'makeTestJniLibraries'
}

String[] archsFromProperty(String prop) {
    findProperty(prop)?.split(',')?.findAll { it != '' }?.collect { 'android-' + it }
}

task makeJniLibraries(type:Exec) {
    group 'Rust'
    description 'Build the JNI libraries for Android'

    def archs = archsFromProperty('androidArchs') ?: ['android']
    // Explicitly specify 'bash' for Windows compatibility.
    commandLine 'bash', '../build_jni.sh', *archs
    environment 'ANDROID_NDK_HOME', android.ndkDirectory
}

task makeTestJniLibraries(type:Exec) {
    group 'Rust'
    description 'Build JNI libraries for Android for testing'

    def archs = archsFromProperty('androidTestingArchs') ?: archsFromProperty('androidArchs') ?: ['android']
    // Explicitly specify 'bash' for Windows compatibility.
    commandLine 'bash', '../build_jni.sh', '--testing', *archs
    environment 'ANDROID_NDK_HOME', android.ndkDirectory
}

task collectAssets(type:Copy) {
    from('../../acknowledgments/acknowledgments.md') {
        rename 'acknowledgments.md', 'libsignal.md'
    }
    into 'src/main/assets/acknowledgments'
}

// MARK: Publication
afterEvaluate {
    publishing {
        publications {
            mavenJava(MavenPublication) {
                artifactId = archivesBaseName
                from components.release
                artifact libsWithDebugSymbols

                pom {
                    name = archivesBaseName
                    packaging = 'aar'
                    description = 'Signal Protocol cryptography library for Android'
                    url = 'https://github.com/signalapp/libsignal'

                    scm {
                        url = 'scm:git@github.com:signalapp/libsignal.git'
                        connection = 'scm:git@github.com:signalapp/libsignal.git'
                        developerConnection = 'scm:git@github.com:signalapp/libsignal.git'
                    }

                    licenses {
                        license {
                            name = 'AGPLv3'
                            url = 'https://www.gnu.org/licenses/agpl-3.0.txt'
                        }
                    }

                    developers {
                        developer {
                            name = 'Signal Messenger LLC'
                        }
                    }
                }
            }
        }
    }

    setUpSigningKey(signing)
    signing {
        required { isReleaseBuild() && gradle.taskGraph.hasTask(":android:publish") }
        sign publishing.publications.mavenJava
    }
}