안드로이드 이미지 캐시 (1) -universal-image-loader

    public static void initImageLoader(Context context) {
        // This configuration tuning is custom. You can tune every option, you may tune some of them,
        // or you can create default configuration by
        //  ImageLoaderConfiguration.createDefault(this);
        // method.
        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context)
                .threadPriority(Thread.NORM_PRIORITY - 2)
                .denyCacheImageMultipleSizesInMemory()
                .diskCacheFileNameGenerator(new Md5FileNameGenerator())
                .tasksProcessingOrder(QueueProcessingType.LIFO)
                .writeDebugLogs() // Remove for release app
                .diskCacheFileCount(6)
                .build();
        // Initialize ImageLoader with configuration.
        com.nostra13.universalimageloader.core.ImageLoader.getInstance().init(config);
    }

 options = new DisplayImageOptions.Builder()
                .showStubImage(R.drawable.ic_launcher)
                .showImageForEmptyUri(R.drawable.ic_about_logo)
                .showImageOnFail(R.drawable.ic_arrow_back)
                .cacheInMemory(true)
                .cacheOnDisc(true)
                .bitmapConfig(Bitmap.Config.RGB_565) //          
                .build();

//              ，       ImageView    ImageView
            ImageLoader.getInstance()
                    .displayImage(mAppInfos.get(position).getIconSourceUrl(), holder.iv, options);