BaseDownloadTask

For example: FileDownloader.create(URL).setPath(xxx).setListener(xxx).start()

You can get more readable description from here

function	description
setPath	Absolute path for save the download file
setListener	For callback download status(pending,connected,progress,blockComplete,retry,error,paused,completed,warn)
setCallbackProgressTimes	Set maximal callback times on callback FileDownloadListener#progress
setTag(object)	Sets the tag associated with this task, not be used by internal
setTag(key,object)	Sets a tag associated with this task. If the key already existed, the old tag will be replaced
setForceReDownload	If set to true, will not check whether the file is downloaded by past, default false
setFinishListener	-
setAutoRetryTimes	Set the number of times to automatically retry when encountering any error, default 0
setSyncCallback	if true will invoke callbacks of FileDownloadListener directly on the download thread(do not post the message to the UI thread), default false
addHeader(name,value)	Add custom request header to the task. Attention: We have already handled ETag, and will add If-Match & Range value if it works
addHeader(line)	Add custom request header to the task. Attention: We have already handled ETag, and will add If-Match & Range value if it is exist
removeAllHeaders	Remove all custom request header bind with the {name}
setMinIntervalUpdateSpeed	The min interval millisecond for updating the download speed in the downloading process(Status equal to progress). Default 5 ms. If less than or equal to 0, will not calculate the download speed in process
ready	Ready task( For queue task )
start	Start task
pause	Pause task
getId	Get download id (generate by Url & path)
getUrl	Get download Url
getCallbackProgressTimes	Get maximal callback times on callback FileDownloadListener#progress
getPath(void)	Get absolute path for save the download file
getListener	Get current listener
getSoFarBytes	Get already downloaded bytes
getTotalBytes	Get file total bytes
getStatus	Get current status
isForceReDownload	Force re-download,do not care about whether already downloaded or not
getEx	Get throwable
isReusedOldFile	Is reused downloaded old file
getTag(void)	Get the task's tag
getTag(key)	Get the object stored in the task as a tag, or null if not set.
isContinue	Is resume by breakpoint
getEtag	Get current ETag on header
getAutoRetryTimes	Get the number of times to automatically retry
getRetryingTimes	Get the current number of retry
isSyncCallback	Whether sync invokes callbacks of FileDownloadListener directly on the download thread
getSpeed	Get the download speed for a task. If it is in processing, the speed would be real-time speed; If finished, the speed would be average speed. Unit: KB/s