Squarespace iPhone 应用程序如何允许从库中选择多个图像?
我刚刚看过新的 Squarespace iPhone 应用程序 的视频,它们似乎允许您从其中选择多个图像您的图书馆或相机胶卷。
他们是如何实现这一目标的,因为 UIImagePickerController 文档中没有任何内容允许这样做?
SDK 不支持这一点,如果他们从沙箱外部访问照片并创建自己的图像选择器,那么这个应用程序是如何获得批准的?
I've just seen a video of the new Squarespace iPhone app and they appear to allow you to choose multiple images from your library or camera roll.
How have they achieved this, as there's nothing allowing this in the UIImagePickerController docs?
This isn't supported by the SDK, and if they're accessing photos from outside the sandbox and creating their own image picker then how was this app approved?
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应用程序可以从相机胶卷中读取图像,沙箱只是禁止在此目录中写入。应用程序商店中有几个应用程序可以执行此操作,例如访问原始图像文件并从中获取 EXIF 或其他元数据。 UIImagePicker 提供的 UIImage 不包含此数据(例如位置)。
Apps can read the images from the camera roll, the sandbox just prohibits writing in this directory. There are a couple of apps in the app store doing this, for instance to access the original image file and to obtain EXIF or other meta data from it. The UIImage provided by the UIImagePicker does not contain this data (for example the location).