com.google.android.exoplayer2.offline

Interface Downloader

All Known Implementing Classes:

ProgressiveDownloader, SegmentDownloader

public interface Downloader

An interface for stream downloaders.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Downloader.ProgressListener Listener notified when download progresses.

Method Summary

Modifier and Type	Method and Description
void	download(Downloader.ProgressListener listener) Downloads the media.
long	getDownloadedBytes() Returns the total number of downloaded bytes, or C.LENGTH_UNSET if it hasn't been calculated yet.
float	getDownloadPercentage() Returns the download percentage, or Float.NaN if it can't be calculated yet.
void	init() Initializes the downloader.
void	remove() Removes all of the downloaded data of the media.

Method Detail

init

void init()
   throws java.lang.InterruptedException,
          java.io.IOException

Initializes the downloader.

Throws:

DownloadException - Thrown if the media cannot be downloaded.

java.lang.InterruptedException - If the thread has been interrupted.

java.io.IOException - Thrown when there is an io error while reading from cache.

See Also:

getDownloadedBytes(), getDownloadPercentage()

download

void download(@Nullable
              Downloader.ProgressListener listener)
       throws java.lang.InterruptedException,
              java.io.IOException

Downloads the media.

Parameters:

listener - If not null, called during download.

Throws:

DownloadException - Thrown if the media cannot be downloaded.

java.lang.InterruptedException - If the thread has been interrupted.

java.io.IOException - Thrown when there is an io error while downloading.

remove

void remove()
     throws java.lang.InterruptedException

Removes all of the downloaded data of the media.

Throws:

java.lang.InterruptedException - Thrown if the thread was interrupted.

getDownloadedBytes

long getDownloadedBytes()

Returns the total number of downloaded bytes, or C.LENGTH_UNSET if it hasn't been calculated yet.

See Also:

init()

getDownloadPercentage

float getDownloadPercentage()

Returns the download percentage, or Float.NaN if it can't be calculated yet. This value can be an estimation.

See Also:

init()