据我了解，扩展ContentProvider有助于与存储在设备中的本地数据库进行交互。但我不确定如何ContentProvider使用在线数据库来实现。ContentProvider仅适用于本地数据库吗？我正在考虑将两者与缓存一起使用，但我在这方面非常缺乏经验。任何建议将不胜感激。
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The Contentprovider interface design actually abstracts the actual persistence details away from your data access, in theory making any kind of data source possible. In practice, the performance of a contentprovider accessing it's data over the network will be poor at best due to the overhead compared to a local datasource such as SQLite / files.
Preloading/cacheing is probably a good idea!
于 2013-01-18T15:28:36.100 回答