对三级缓存进行了封装解耦
使用如下
RequestOptions options = new RequestOptions.Builder()
.url(urls[i])
.cache(MemoryCache.getInstance())
.error(R.drawable.ic_launcher_background)
.placeHolder(R.drawable.ic_launcher_foreground)
.scaleType(ImageView.ScaleType.CENTER_CROP)
.build();
ImageLoader
.getInstance()
.with(context)
.load(options,myViewHolder.imageView););//加载图片