private File getReleaseApkFile(AndroidPublisherExtension publisherExtension) {
String variantName = publisherExtension.getVariantName();
DefaultDomainObjectSet<ApplicationVariant> variants =
getProject().getExtensions().getByType(AppExtension.class).getApplicationVariants();
ApplicationVariant releaseVariant = null;
for (ApplicationVariant variant : variants) {
if (variant.getName().equals(variantName)) {
releaseVariant = variant;
break;
}
}
if (releaseVariant == null) {
throw new InvalidUserDataException(String.format(
"Cannot find %s variant for android configuration", variantName));
}
return releaseVariant.getOutputFile();
}