Android-Bitmap-DiskCache

Java implementation of a Disk-based LRU cache for Android Bitmaps. This is an asynchronous implementation of JakeWharton's DiskLruCache targeted for bitmaps and easier to use

Requirements

1 - Add the following library to your build.gradle:

implementation 'com.jakewharton:disklrucache:2.0.2'

2 - Copy the BitmapDiskCache class that you can find in this repo to your project

Usage

You can instantiate the BitmapDiskCache in your activity like this:

final BitmapDiskCache cache = new BitmapDiskCache(getApplicationContext());

You can add bitmaps to the cache and get the assigned key like this:

cache.add(someBitmap, key -> {
  // Store the key
 });

You can retrieve a bitmap by its key like this:

cache.get(key, bitmap -> {
  // Use bitmap
 });

When you finish using the cache or when your activity finishes you need to close the cache reference:

cache.close();