Code to get InputStream of an image synchronously in Fresco

FrescoSyncCacheRead.java

public static InputStream readFromCacheSync(String imageUrl) {
  CacheKey cacheKey = DefaultCacheKeyFactory.getInstance().getEncodedCacheKey(ImageRequest.fromUri(imageUrl), null);
  StagingArea stagingArea = StagingArea.getInstance();
  EncodedImage encodedImage = stagingArea.get(cacheKey);
  if (encodedImage != null) {
      return encodedImage.getInputStream();
  }

  try {
      return readFromDiskCache(cacheKey);
  } catch (Exception e) {
      return null;
  }
}

private static InputStream readFromDiskCache(final CacheKey key) throws IOException {
  try {
      FileCache fileCache = ImagePipelineFactory.getInstance().getMainFileCache();
      final BinaryResource diskCacheResource = fileCache.getResource(key);
      if (diskCacheResource == null) {
          FLog.v(TAG, "Disk cache miss for %s", key.toString());
          return null;
      }
      PooledByteBuffer byteBuffer;
      final InputStream is = diskCacheResource.openStream();
      FLog.v(TAG, "Successful read from disk cache for %s", key.toString());
      return is;
  } catch (IOException ioe) {
      return null;
  }
}