com.nostra13.universalimageloader.core.download

Interface ImageDownloader

All Known Implementing Classes:

BaseImageDownloader

public interface ImageDownloader

Provides retrieving of InputStream of image by URI.
Implementations have to be thread-safe.

Since:

1.4.0

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ImageDownloader.Scheme Represents supported schemes(protocols) of URI.

Method Summary

Methods

Modifier and Type	Method and Description
java.io.InputStream	getStream(java.lang.String imageUri, java.lang.Object extra) Retrieves InputStream of image by URI.

Method Detail

getStream

java.io.InputStream getStream(java.lang.String imageUri,
                            java.lang.Object extra)
                              throws java.io.IOException

Retrieves InputStream of image by URI.

Parameters:

imageUri - Image URI

extra - Auxiliary object which was passed to DisplayImageOptions.extraForDownloader(Object); can be null

Returns:

InputStream of image

Throws:

java.io.IOException - if some I/O error occurs during getting image stream

java.lang.UnsupportedOperationException - if image URI has unsupported scheme(protocol)