Writing files to external storage might be possible with some restrictions. By using AVExternalStorageDevice, you can receive notifications of the device’s connection status, specify a file name to obtain a URL for writing, and then write files to that URL. A key point to note is that the folder hierarchy is determined by Apple’s rules. Additionally, there are device restrictions, as this functionality is only available on devices running iOS 17 or later.
kakkun
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Thank you for your response. I understand that using UIDocumentPickerViewController is the appropriate method at this time. Is it possible to have the external storage preselected by default?
We want to ensure that only the files within the storage we are developing are accepted.