com.nostra13.universalimageloader.cache.disc

接口 DiskCache

所有已知实现类:

BaseDiskCache, LimitedAgeDiskCache, LruDiskCache, UnlimitedDiskCache

public interface DiskCache

Interface for disk cache

从以下版本开始:

1.9.2

方法概要

限定符和类型	方法和说明
void	clear() Clears disk cache.
void	close() Closes disk cache, releases resources.
File	get(String imageUri) Returns file of cached image
File	getDirectory() Returns root directory of disk cache
boolean	remove(String imageUri) Removes image file associated with incoming URI
boolean	save(String imageUri, android.graphics.Bitmap bitmap) Saves image bitmap in disk cache.
boolean	save(String imageUri, InputStream imageStream, IoUtils.CopyListener listener) Saves image stream in disk cache.

方法详细资料

getDirectory

File getDirectory()

Returns root directory of disk cache

返回:

Root directory of disk cache

get

File get(String imageUri)

Returns file of cached image

参数:

imageUri - Original image URI

返回:

File of cached image or null if image wasn't cached

save

boolean save(String imageUri,
             InputStream imageStream,
             IoUtils.CopyListener listener)
      throws IOException

Saves image stream in disk cache. Incoming image stream shouldn't be closed in this method.

参数:

imageUri - Original image URI

imageStream - Input stream of image (shouldn't be closed in this method)

listener - Listener for saving progress, can be ignored if you don't use progress listener in ImageLoader calls

返回:

true - if image was saved successfully; false - if image wasn't saved in disk cache.

抛出:

IOException

save

boolean save(String imageUri,
             android.graphics.Bitmap bitmap)
      throws IOException

Saves image bitmap in disk cache.

参数:

imageUri - Original image URI

bitmap - Image bitmap

返回:

true - if bitmap was saved successfully; false - if bitmap wasn't saved in disk cache.

抛出:

IOException

remove

boolean remove(String imageUri)

Removes image file associated with incoming URI

参数:

imageUri - Image URI

返回:

true - if image file is deleted successfully; false - if image file doesn't exist for incoming URI or image file can't be deleted.

close

void close()

Closes disk cache, releases resources.

clear

void clear()

Clears disk cache.