如何在GridView中最好地优化Picasso？(How do I best optimize Picasso in a GridView?)

 我正在使用Picasso（2.5.2）通过适配器将本地content://图像加载到3列GridView 。 
 
Picasso
    .with(mContext)
    .load(mCameraImages.getUris().get(position))
    .error(android.R.drawable.ic_dialog_alert)
    .fit()
    .centerCrop()
    .into(view);
 
 在我的特定情况下， mCameraImages只是一个URI列表，来自本地mediaStore。 
 
 我发现当我加载GridView ，Picasso总是从磁盘（蓝色调试指示器）而不是内存中获取图像。 
 
 这是预期的，但我想通过更快地加载缩略图或图像来优化UX。 
 
 如果向下滚动GridView并且必须等待〜秒才能完成磁盘提取，那么“性能”特别差。 
 
 我可以尝试哪些方法来优化Picasso加载，以便本地内容可以像QuickPic一样快速显示？ 
 
 这是我减少的适配器代码 （非常简单）。 

I'm using Picasso (2.5.2) to load local content:// images into a 3-column GridView via an adapter.
 
Picasso
    .with(mContext)
    .load(mCameraImages.getUris().get(position))
    .error(android.R.drawable.ic_dialog_alert)
    .fit()
    .centerCrop()
    .into(view);
 
In my particular case, mCameraImages is a just a list of URIs, coming out of the local mediaStore.
 
I'm finding that when I load the GridView, Picasso always fetches the images from the disk (blue debug indicator) and not memory.
 
This is expected but I'd like to optimize the UX by loading thumbnails or images faster.
 
The "performance" is particular poor if you scroll the GridView down and have to wait for ~seconds for the disk fetch to complete.
 
What methods could I try to optimize Picasso loading so that local content can be displayed as quick as an app like QuickPic?
 
Here is my reduced adapter code (it is very simple).

原文：https://stackoverflow.com/questions/30496923