ImageLoaderHelper.java

/**
 * Copyright (c) 2013-2014. Francisco Contreras, Holland Salazar.
 * Copyright (c) 2015. Tobias Strebitzer, Francisco Contreras, Holland Salazar.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * Neither the name of the Baker Framework nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 **/
package com.bakerframework.baker.helper;

import android.content.Context;
import android.graphics.Bitmap;
import android.util.Log;

import com.bakerframework.baker.R;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;

public class ImageLoaderHelper {


    private ImageLoaderHelper() {}

    public static ImageLoader getImageLoader(Context context){
        try {
            if (ImageLoader.getInstance().isInited()) {
                return ImageLoader.getInstance();
            }
            DisplayImageOptions defaultOptions = new DisplayImageOptions.Builder()
                    .showImageOnLoading(R.drawable.loading)
                    .showImageForEmptyUri(R.drawable.loading)
                    .showImageOnFail(R.drawable.loading)
                    .cacheInMemory(true)
                    .cacheOnDisk(true)
                    .displayer(new FadeInBitmapDisplayer(1000))
                    .bitmapConfig(Bitmap.Config.RGB_565)
                    .imageScaleType(ImageScaleType.EXACTLY)
                    .build();
            ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context)
                    .memoryCacheExtraOptions(480, 320)
                    .diskCacheExtraOptions(480, 320, null)
                    .defaultDisplayImageOptions(defaultOptions).build();
            ImageLoader.getInstance().init(config);
            return ImageLoader.getInstance();
        } catch (Exception ex) {
            Log.e("ImageLoaderHelper", "Error loading image: " + ex);
            return null;
        }
    }
}