com.squareup.picasso

Interface Downloader

All Known Implementing Classes:

OkHttpDownloader, UrlConnectionDownloader

public interface Downloader

A mechanism to load images from external resources such as a disk cache and/or the internet.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Downloader.Response Response stream or bitmap and info.
static class	Downloader.ResponseException Thrown for non-2XX responses.

Method Summary

Methods

Modifier and Type	Method and Description
Downloader.Response	load(android.net.Uri uri, int networkPolicy) Download the specified image url from the internet.
void	shutdown() Allows to perform a clean up for this Downloader including closing the disk cache and other resources.

Method Detail

load

Downloader.Response load(android.net.Uri uri,
                       int networkPolicy)
                         throws IOException

Download the specified image url from the internet.

Parameters:

uri - Remote image URL.

networkPolicy - The NetworkPolicy used for this request.

Returns:

Downloader.Response containing either a Bitmap representation of the request or an InputStream for the image data. null can be returned to indicate a problem loading the bitmap.

Throws:

IOException - if the requested URL cannot successfully be loaded.

shutdown

void shutdown()

Allows to perform a clean up for this Downloader including closing the disk cache and other resources.