public static void copyStreams(InputStream is, OutputStream os, long totalBytes,
			FileSenderInterface fileSenderI)
	{
		if (is != null && os != null)
		{
			byte[] mybytearray = new byte[4096];
			try
			{
				while (is.read(mybytearray) != -1)
				{
					int length = mybytearray.length;
					os.write(mybytearray, 0, length);

					if (fileSenderI != null)
					{
						int progress = (int) (length / totalBytes * 100);
						fileSenderI.onWrite(progress);
					}
				}
				os.flush();
			}
			catch (IOException e)
			{
				logError(e);
			}
			finally
			{
				try
				{
					os.close();
				}
				catch (IOException e)
				{
					logError(e);
				}
			}
		}
	}

	public interface FileSenderInterface
	{
		void onWrite(int progress);
	}