如何从ALAsset获取exif信息? [英] How to get exif information from ALAsset?

问题描述

我需要从所选资产中获取 exif 信息，并将其一部分显示在屏幕上.

I need to get exif information from selected asset and to display part of it on the screen.

推荐答案

[[asset defaultRepresentation] metadata];

返回给定资产表示形式的元数据词典字典.请查看此词典中是否有您感兴趣的数据.我不确定，但我认为该词典(和子词典)中的键与

returns a dictionary of dictionaries of metadata for the given asset representation. Check out this dictionary for the data you're interested in. I am not sure but I think the keys in that dictionary (and subdictionaries) are the same as the ones listed under CGImageProperties Reference.

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