Method FileExists

tensorflow/contrib/android/asset_manager_filesystem.cc:127–135

    : asset_manager_(asset_manager), prefix_(prefix) {}

Status AssetManagerFileSystem::FileExists(const string& fname) {
  string path = RemoveAssetPrefix(fname);
  auto asset = ScopedAsset(
      AAssetManager_open(asset_manager_, path.c_str(), AASSET_MODE_RANDOM));
  if (asset.get() == nullptr) {
    return errors::NotFound("File ", fname, " not found.");
  }
  return Status::OK();
}

Status AssetManagerFileSystem::NewRandomAccessFile(
    const string& fname, std::unique_ptr<RandomAccessFile>* result) {