Install Android SDK from private github repo in your Android app

app_build.gradle

// this file is in app/build.gradle

...

dependencies {
    // Install your library
    implementation 'com.example.lib:sdk:0.1.1-alpha'
}

build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = "1.4.32"
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.2.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

subprojects {
    // Load `secrets.properties` file, if it exists.
    if (file("$project.rootDir/secrets.properties").exists()) {
        def localProperties = new Properties()
        localProperties.load(new FileInputStream("$project.rootDir/secrets.properties"))
        localProperties.each { prop ->
            project.ext.set(prop.key, prop.value)
        }
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
        maven {
            name = "GitHubPackages"
            url = uri("https://maven.pkg.github.com/yourusername/repo-name")
            credentials {
                username = project.ext.find("githubRepo.username") ?: System.getenv("GITHUB_REPO_USERNAME")
                password = project.ext.find("githubRepo.token") ?: System.getenv("GITHUB_REPO_TOKEN")
            }
        }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

secrets.properties

githubRepo.username=your-github-username
githubRepo.token=XXXXXXXXXXXXXXXXXXX

# On CI server, set: GITHUB_REPO_USERNAME and GITHUB_REPO_TOKEN