gistfile1.txt

    
    AWSS3TransferManager *transferManager = [AWSS3TransferManager defaultS3TransferManager];
    
    
    
    
    // Construct the NSURL for the download location.
    NSString* downloadingFilePath = [NSTemporaryDirectory() stringByAppendingPathComponent:@"downloaded-myImage.jpg"];
    
    NSURL *downloadingFileURL = [NSURL fileURLWithPath:downloadingFilePath];
    
    // Construct the download request.
    AWSS3TransferManagerDownloadRequest *downloadRequest = [AWSS3TransferManagerDownloadRequest new];
    
    downloadRequest.bucket = @"alexanderbollbachbucket";
    downloadRequest.key = @"earth.jpg";
    downloadRequest.downloadingFileURL = downloadingFileURL;
    
    // Download the file.
    [[transferManager download:downloadRequest] continueWithExecutor:[AWSExecutor mainThreadExecutor]
                                                           withBlock:^id(AWSTask *task) {
                                                               if (task.error){
                                                                   if ([task.error.domain isEqualToString:AWSS3TransferManagerErrorDomain]) {
                                                                       switch (task.error.code) {
                                                                           case AWSS3TransferManagerErrorCancelled:
                                                                           case AWSS3TransferManagerErrorPaused:
                                                                               break;
                                                                               
                                                                           default:
                                                                               NSLog(@"Error: %@", task.error);
                                                                               break;
                                                                       }
                                                                   } else {
                                                                       // Unknown error.
                                                                       NSLog(@"Error: %@", task.error);
                                                                   }
                                                               }
                                                               
                                                               if (task.result) {
                                                                   AWSS3TransferManagerDownloadOutput *downloadOutput = task.result;

                                                                   self.imageView.image = [UIImage imageWithContentsOfFile:downloadingFilePath];

                                                               
                                                               }
                                                               return nil;
                                                           }];