com.mabi87.imageloader.ImageMemoryCache.java Source code

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Here is the source code for com.mabi87.imageloader.ImageMemoryCache.java

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/*
 * ImageLoader
 * https://github.com/mabi87/Android-ImageLoader
 *
 * Mabi
 * crust87@gmail.com
 * last modify 2015-08-11
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.mabi87.imageloader;

import android.graphics.Bitmap;
import android.support.v4.util.LruCache;

public class ImageMemoryCache implements CacheInterface<String, Bitmap> {

    // Image Cache
    private LruCache<String, Bitmap> mCache;

    // Attributes
    private final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
    private final int cacheSize = maxMemory / 8;

    private ImageMemoryCache() {

        mCache = new LruCache<String, Bitmap>(cacheSize) {
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return bitmap.getByteCount() / 1024;
            }
        };
    }

    private static class ImageMemoryCacheHolder {
        private static final ImageMemoryCache INSTANCE = new ImageMemoryCache();
    }

    public static ImageMemoryCache getInstance() {
        return ImageMemoryCacheHolder.INSTANCE;
    }

    @Override
    public synchronized void put(String key, Bitmap value) {
        mCache.put(key, value);
    }

    @Override
    public synchronized Bitmap get(String key) {
        return mCache.get(key);
    }

    @Override
    public synchronized void evictAll() {
        mCache.evictAll();
    }

}