How can I check the progress of my Facebook iOS upload? - iphone

Question

I'm using the Facebook iOS SDK and using the Graph API to upload videos to Facebook.
The uploading is working perfectly fine, but can I keep track of the progress of the upload so I can reflect the progress in a progress bar.

Answer 1

This is an old question but what you're trying to do is possible with latest Facebook iOS SDK v3.9. (27 Oct 2013)
Essentially, FBRequestConnection exposes a property urlRequest (NSMutableURLRequest) that you can use to send out the data any other third party networking frameworks or even the ones Apple provided.
https://developers.facebook.com/docs/reference/ios/current/class/FBRequestConnection#urlRequest
Here's an example how I get progress callbacks using AFNetworking 1.x.
Prepare Request Body
NSDictionary *parameters = #{ #"video.mov": videoData,
#"title": #"Upload Title",
#"description": #"Upload Description" };
Create FBRequest
FBRequest *request = [FBRequest requestWithGraphPath:#"me/videos"
parameters:parameters
HTTPMethod:#"POST"];
Generate FBRequestConnection (Cancel & Extract URLRequest)
FBRequestConnection *requestConnection = [request startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
}];
[requestConnection cancel];
NSMutableURLRequest *urlRequest = requestConnection.urlRequest;
Use AFNetworking HTTPRequestOperation
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:urlRequest];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
// Do your success callback.
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
// Do your failure callback.
}];
Set Progress Callback
[operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) {
NSLog(#"Sent %lld of %lld bytes", totalBytesWritten, totalBytesExpectedToWrite);
}];
Start the operation
[[APIClient sharedInstance] enqueueHTTPRequestOperation:operation];
// APIClient is a singleton class for AFHTTPClient subclass

Answer 2

I've finally found a way of doing this after looking around in NSURLConnection. It means adding the following code inside of the FBRequest.h and FBRequest.m files to create a new delegate.
At the bottom of the FBRequest.m file there are all of the methods for NSURLConnectionDelegate. Add this code here:
- (void)connection:connection
didSendBodyData:(NSInteger)bytesWritten
totalBytesWritten:(NSInteger)totalBytesWritten
totalBytesExpectedToWrite:(NSInteger)totalBytesExpectedToWrite
{
float percentComplete = ((float)totalBytesWritten/(float)totalBytesExpectedToWrite);
if ([_delegate respondsToSelector:#selector(request:uploadPercentComplete:)])
{
[_delegate request:self uploadPercentComplete:percentComplete];
}
}
Now put this in the FBRequest.h class to create a new FBRequest delegate:
/**
* Called a data packet is sent
*
* The result object is a float of the percent of data sent
*/
- (void)request:(FBRequest *)request uploadPercentComplete:(float)per;
This goes at the bottom of the FBRequest.h file after:
#protocol FBRequestDelegate <NSObject>
#optional
Now all you have to do is call this new delegate anywhere in your code like you would any other FBRequest delegate and it will give you a float from 0.0 to 1.0 (0% to 100%).
Strange that the Facebook API doesn't have this (along with upload cancel which I found out how to do here How to cancel a video upload in progress using the Facebook iOS SDK?) as it's not that tricky.
Enjoy!