net.donky.core.messaging.ui.cache

Class DiskBitmapCache

java.lang.Object

net.donky.core.messaging.ui.cache.DiskBitmapCache

public class DiskBitmapCache
extends java.lang.Object

Wrapper around AndroidDiskLruCache class with bitmap loading/saving methods. Created by Marcin Swierczek 16/06/2015. Copyright (C) Donky Networks Ltd. All rights reserved.

Field Summary

Fields

Modifier and Type	Field and Description
static int	IO_BUFFER_SIZE bitmaps shouldn't exceed this size in bites.

Constructor Summary

Constructors

Constructor and Description
DiskBitmapCache(android.content.Context context, java.lang.String uniqueName, int diskCacheSize, android.graphics.Bitmap.CompressFormat compressFormat, int quality) Recommended constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	clearCache() Clear disk cache.
void	close() Close disk cache.
android.graphics.Bitmap	getBitmap(java.lang.String key) Load bitmap from disk cache.
boolean	isCacheClosed() Check if cache has been closed.
void	put(java.lang.String key, android.graphics.Bitmap data) Save bitmap to disk cache.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IO_BUFFER_SIZE

public static final int IO_BUFFER_SIZE

bitmaps shouldn't exceed this size in bites.

See Also:

Constant Field Values

Constructor Detail

DiskBitmapCache

public DiskBitmapCache(android.content.Context context,
               java.lang.String uniqueName,
               int diskCacheSize,
               android.graphics.Bitmap.CompressFormat compressFormat,
               int quality)

Recommended constructor.

Parameters:

context - Application context.

uniqueName - Unique string used for cache folder name.

diskCacheSize - Maximum disk cache size in bits.

compressFormat - Image compression format.

quality - compression quality 1-100

Method Detail

put

public void put(java.lang.String key,
       android.graphics.Bitmap data)

Save bitmap to disk cache.

Parameters:

key - Id of the cache entry.

data - Bitmap to save.

getBitmap

public android.graphics.Bitmap getBitmap(java.lang.String key)

Load bitmap from disk cache.

Parameters:

key - Id of disk cache entry.

Returns:

Cached Bitmap image.

clearCache

public void clearCache()

Clear disk cache.

close

public void close()

Close disk cache. Perform this operation before exiting application.

isCacheClosed

public boolean isCacheClosed()

Check if cache has been closed.

Returns:

True if cache has been closed.