ImageLoaderUtil.java
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package com.drp.mobliemall.utils;
import android.content.Context;
import android.util.DisplayMetrics;
import android.view.WindowManager;
import com.drp.mobliemall.config.SysConstant;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.UsingFreqLimitedMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;
import com.nostra13.universalimageloader.utils.StorageUtils;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
/**
* Created by xiniu_wutao on 15/6/30.
* ImageLoader 初始化 类
*/
public class ImageLoaderUtil {
private static AppLogger logger = AppLogger.getLogger(ImageLoaderUtil.class);
private static ImageLoaderConfiguration IMImageLoaderConfig;
private static ImageLoader IMImageLoadInstance;
private static Map<Integer, Map<Integer, DisplayImageOptions>> avatarOptionsMaps = new HashMap<Integer, Map<Integer, DisplayImageOptions>>();
public final static int CIRCLE_CORNER = -10;
public static void initImageLoaderConfig(Context context) {
try {
File cacheDir = StorageUtils.getOwnCacheDirectory(context, CommonUtil.getSavePath(SysConstant.FILE_SAVE_TYPE_IMAGE));
File reserveCacheDir = StorageUtils.getCacheDirectory(context);
int maxMemory = (int) (Runtime.getRuntime().maxMemory());
// 使用最大可用内存值的1/8作为缓存的大小。
int cacheSize = maxMemory / 8;
DisplayMetrics metrics = new DisplayMetrics();
WindowManager mWm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
mWm.getDefaultDisplay().getMetrics(metrics);
IMImageLoaderConfig = new ImageLoaderConfiguration.Builder(context)
.memoryCacheExtraOptions(metrics.widthPixels, metrics.heightPixels)
.threadPriority(Thread.NORM_PRIORITY - 2)
.denyCacheImageMultipleSizesInMemory()
.memoryCache(new UsingFreqLimitedMemoryCache(cacheSize))
.diskCacheFileNameGenerator(new Md5FileNameGenerator())
.tasksProcessingOrder(QueueProcessingType.LIFO)
.diskCacheExtraOptions(metrics.widthPixels, metrics.heightPixels, null)
/*.diskCache(new UnlimitedDiscCache(cacheDir, reserveCacheDir, new Md5FileNameGenerator()))*/
.diskCacheSize(1024 * 1024 * 1024)
.diskCacheFileCount(1000)
.build();
IMImageLoadInstance = ImageLoader.getInstance();
IMImageLoadInstance.init(IMImageLoaderConfig);
} catch (Exception e) {
logger.e(e.toString());
}
}
public static ImageLoader getImageLoaderInstance() {
return IMImageLoadInstance;
}
/**
* 清除缓存
*/
public static void clearCache() {
try {
if (IMImageLoadInstance != null) {
IMImageLoadInstance.clearMemoryCache();
IMImageLoadInstance.clearDiskCache();
}
if (null != avatarOptionsMaps) {
avatarOptionsMaps.clear();
}
} catch (Exception e) {
logger.e(e.toString());
}
}
}