private void setDonwloadSpeed(DownloadTask downloadTask) { long time = System.currentTimeMillis() - mStartDonwload; if (time > 0) { String speed = String.valueOf((downloadTask.getTotalSize() - mAlreadyDownloadSize) / time); if (DEBUG) { Log.d(TAG, "download apk speed : " + speed); } AppGameNetLogControll.getInstance().setDownloadSpeed(mChildThreadCode, speed); } }