com.cmgapps.android.util.BitmapCache.java Source code

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Here is the source code for com.cmgapps.android.util.BitmapCache.java

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/*
 * Copyright 2014 Christian Grach
 *
 * 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.cmgapps.android.util;

import android.annotation.TargetApi;
import android.graphics.Bitmap;
import android.os.Build;
import android.support.v4.util.LruCache;

/**
 * BitmapCache using Androids LruCache
 */
public final class BitmapCache extends LruCache<Integer, Bitmap> {

    public BitmapCache(int maxSize) {
        super(maxSize);
    }

    @TargetApi(Build.VERSION_CODES.KITKAT)
    @Override
    protected int sizeOf(Integer key, Bitmap bitmap) {
        if (ApiUtils.hasKitKat()) {
            return bitmap.getAllocationByteCount() / 1024;
        } else if (ApiUtils.hasHoneycombMR1()) {
            return bitmap.getByteCount() / 1024;
        } else {
            return (bitmap.getRowBytes() * bitmap.getHeight()) / 1024;
        }
    }
}