Image Storage and Metadata
Android has a standard way to share data across applications. The classes responsible for this are called content providers. Content providers offer a standard interface for the storage and retrieval of various types of data.
The standard content provider for images (as well as audio and video) is the MediaStore
. The MediaStore
allows the setting of the file in a standard location on the device and has facilities for storing and retrieving metadata about that file. Metadata is data about data; it could include information about the data in the file itself, such as its size and name, but the MediaStore
also allows setting for a wide variety of additional data, such as title, description, latitude, and longitude.
To start ...
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