protected IEnumerator DownloadFromFirebaseStorageWithStream()
{
StorageReference reference = FirebaseStorage.DefaultInstance
.GetReferenceFromUrl(firebaseStorageLocation);
// Used to buffer data from the downloaded stream.
var memoryStream = new System.IO.MemoryStream();
// Limit the amount of data to render in the text view.
const int bytesToStoreInMemoryStream = 64 * 1024;
// Download the file using a stream.
var task = reference.GetStreamAsync((stream) => {
var buffer = new byte[1024];
int remaining = bytesToStoreInMemoryStream;
int read;
// Read data to render in the text view.
while (remaining > 0 &&
(read = stream.Read(buffer, 0,
System.Math.Min(buffer.Length, remaining))) > 0)
{
memoryStream.Write(buffer, 0, read);
remaining -= read;
}
// Read remaining data from the stream to simulate the complete download.
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
}
},
// Report as the stream download progresses.
new StorageProgress <DownloadState>(
state => {
DebugLog(String.Format("Progress: {0} out of {1}", state.BytesTransferred,
state.TotalByteCount));
}),
System.Threading.CancellationToken.None);
yield return(new WaitUntil(() => task.IsCompleted));
if (task.IsFaulted)
{
DebugLog(task.Exception.ToString());
throw task.Exception;
}
else
{
memoryStream.Position = 0;
fileContents = (new System.IO.StreamReader(memoryStream)).ReadToEnd();
DebugLog("Finished downloading...");
DebugLog("Contents=" + fileContents);
}
}
