Set<File> mainResDirs = mDefaultSourceProvider.getResourcesDirectories();
ResourceSet resourceSet = new ResourceSet(BuilderConstants.MAIN);
resourceSet.addSources(mainResDirs);
if (generatedResFolder != null) {
resourceSet.addSource(generatedResFolder);
}
resourceSets.add(resourceSet);
// the list of flavor must be reversed to use the right overlay order.
for (int n = mFlavorSourceProviders.size() - 1; n >= 0 ; n--) {