frescoapp.java

    /**
     * Configure fresco using ONLY disk cache
     */
    public void configFresco() {
        Supplier<File> diskSupplier = new Supplier<File>() {
            public File get() {
                return getApplicationContext().getCacheDir();
            }
        };

        DiskCacheConfig diskCacheConfig = DiskCacheConfig.newBuilder()
                .setBaseDirectoryName("images")
                .setBaseDirectoryPathSupplier(diskSupplier)
                .build();

        ImagePipelineConfig frescoConfig = ImagePipelineConfig.newBuilder(this)
                .setMainDiskCacheConfig(diskCacheConfig)
                .build();

        Fresco.initialize(this, frescoConfig);
    }