build.gradle for APK splitting

apply plugin: 'com.android.application'

android {
    ...
    ...
    
    defaultConfig {
      ...
      versionCode 2000
      ...
    }
    
    ...
    ...
    
    // APK splitting
    splits {
        abi {
            // Enable APK splitting wrt architecture
            enable true
            
            // Reset the architectures for which you need to build the APKs for
            reset()
            
            // Include the architectures for which Gradle is building APKs
            include 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
            
            // Set this to false if you don't want an APK that has native code for all architectures
            universalApk false
        }
    }
    
    // Assign codes to each architecture
    project.ext.versionCodes = ['x86': 0, 'x86_64': 1, 'armeabi-v7a': 2, 'arm64-v8a': 3]

    // Add the architecture-specific codes above to base version code, i.e. the version code specified in the defaultConfig{} block
    // Example: 2000 is the base version code -> 2000 (x86), 2001 (x86_64), 2002 (armeabi-v7a) & 2003 (arm64-v8a) would be the version codes for the generated APK files
    android.applicationVariants.all { variant ->
        variant.outputs.each { output ->
            output.versionCodeOverride = project.ext.versionCodes.get(output.getFilter(com.android.build.OutputFile.ABI), 0) * 1 + android.defaultConfig.versionCode
        }
    }
}