Configure APK Splits Across ABIs

android {
  // ...
  splits {
    abi {
      enable true
      reset() // clear from 'all ABIs' to 'none'
      include 'armeabi', 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
      universalApk true //make a universal APK along with ABI specific apks
    }
  }
}

// Map for the version code that gives each ABI a value.
ext.abiCodes = ['armeabi':1, 'armeabi-v7a':2, 'arm64-v8a':3, 'x86':4, 'x86_64':5]

import com.android.build.OutputFile

// For each APK output variant, override versionCode with a combination of
// ext.abiCodes * 1000 + variant.versionCode. In this example, variant.versionCode
// is equal to defaultConfig.versionCode. If you configure product flavors that
// define their own versionCode, variant.versionCode uses that value instead.
android.applicationVariants.all { variant ->

  // Assigns a different version code for each output APK
  // other than the universal APK.
  variant.outputs.each { output ->

    // Stores the value of ext.abiCodes that is associated with the ABI for this variant.
    def baseAbiVersionCode =
        // Determines the ABI for this variant and returns the mapped value.
        project.ext.abiCodes.get(output.getFilter(OutputFile.ABI))

    // Because abiCodes.get() returns null for ABIs that are not mapped by ext.abiCodes,
    // the following code does not override the version code for universal APKs.
    // However, because we want universal APKs to have the lowest version code,
    // this outcome is desirable.
    if (baseAbiVersionCode != null) {

      // Assigns the new version code to versionCodeOverride, which changes the version code
      // for only the output APK, not for the variant itself. Skipping this step simply
      // causes Gradle to use the value of variant.versionCode for the APK.
      output.versionCodeOverride =
          baseAbiVersionCode * 1000 + variant.versionCode
    }
  }
}