private void submitQueuedUploadsToS3() {
        if (mUploadQueue == null) return;
        for (Pair<String, File> pair : mUploadQueue) {
            submitUpload(pair.first, pair.second);
        }
    }
private void submitQueuedUploadsToS3 ( ) { if ( mUploadQueue == null ) return ; for ( Pair < String , File > pair : mUploadQueue ) { submitUpload ( pair . first , pair . second ) ; } }
Submit all queued uploads to the S3 client