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iosobjective-cvideotwittertwitter-fabric

Share video on Twitter with Fabric API without composer iOS


Video uploads via REST API for Twitter is available in january but no with Fabric framework: link!


Solution

  • According to the documentation necessary to make 3 calls with the commands: INIT, APPEND and FINALIZE.

    -(void) shareOnTwitterWithVideo:(NSDictionary*) params{   
        NSString *text = params[@"text"];
        NSData* dataVideo = params[@"video"];
        NSString *lengthVideo = [NSString stringWithFormat:@"%d", [params[@"length"] intValue]];
        NSString* url = @"https://upload.twitter.com/1.1/media/upload.json";
    
        __block NSString *mediaID;
    
        if([[Twitter sharedInstance] session]){
    
            TWTRAPIClient *client = [[Twitter sharedInstance] APIClient];
            NSError *error;
            // First call with command INIT
            NSDictionary *message =  @{ @"status":text,
                                       @"command":@"INIT",
                                    @"media_type":@"video/mp4",
                                   @"total_bytes":lengthVideo};
            NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
    
            [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse, NSData *responseData, NSError *error){
    
                if(!error){
                    NSError *jsonError;
                    NSDictionary *json = [NSJSONSerialization
                                          JSONObjectWithData:responseData
                                          options:0
                                          error:&jsonError];
    
                    mediaID = [json objectForKey:@"media_id_string"];
                    client = [[Twitter sharedInstance] APIClient];
                    NSError *error;
                    NSString *videoString = [dataVideo base64EncodedStringWithOptions:0];
                    // Second call with command APPEND
                    message = @{@"command" : @"APPEND",
                               @"media_id" : mediaID,
                          @"segment_index" : @"0",
                                  @"media" : videoString};
    
                    NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
    
                    [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse, NSData *responseData, NSError *error){
    
                        if(!error){
                            client = [[Twitter sharedInstance] APIClient];
                            NSError *error;
                            // Third call with command FINALIZE
                            message = @{@"command" : @"FINALIZE",
                                                      @"media_id" : mediaID};
    
                            NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
    
                            [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse, NSData *responseData, NSError *error){
    
                                if(!error){
                                    client = [[Twitter sharedInstance] APIClient];
                                    NSError *error;
                                    // publish video with status
                                    NSString *url = @"https://api.twitter.com/1.1/statuses/update.json";
                                    NSMutableDictionary *message = [[NSMutableDictionary alloc] initWithObjectsAndKeys:text,@"status",@"true",@"wrap_links",mediaID, @"media_ids", nil];
                                    NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
    
                                    [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse, NSData *responseData, NSError *error){
                                        if(!error){
                                            NSError *jsonError;
                                            NSDictionary *json = [NSJSONSerialization
                                                                  JSONObjectWithData:responseData
                                                                  options:0
                                                                  error:&jsonError];
                                            NSLog(@"%@", json);
                                        }else{
                                            NSLog(@"Error: %@", error);
                                        }
                                    }];
                                }else{
                                    NSLog(@"Error command FINALIZE: %@", error);
                                }
                            }];
    
                        }else{
                            NSLog(@"Error command APPEND: %@", error);
                        }
                    }];
    
                }else{
                    NSLog(@"Error command INIT: %@", error);
                }
    
            }];
        }
    }