希望在Android应用程序中实现本地数据缓存

I have an in-house app that reads data from a WCF server. It keeps a local copy of important items, but once it uploads successfully, it deletes the local copy. This works great as long as there is cell coverage. I have figured out that I need to keep a local copy of all recently accessed data so that the tablet isn't rendered useless if it loses cell coverage. I was wondering if anyone had already written or thought through a system that would manage local data efficiently. There are several important aspects I would like to see:I have an in-house app that reads data from a W