Android实现DocumentProvider
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Android如何实现一个DocumentProvider示例详解
目录前言步骤首先在Manifest 中注册这个Provider创建这个Provider重写queryRoot重写queryDocument重写getChildDocument前言[详细]
2022-12-26 10:18 分类：开发 Updating a current CoreData entry
How do you update a 开发者_运维问答existing core data entry? Simply modifying a managed object does not cause the changes to be saved to a store. The managed object context acts as a scratchpad. You c[详细]
2022-12-16 23:46 分类：问答
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