- treeUri
- the subtree to leverage to gain access to the target document. The target directory must be a descendant of this subtree.
- parentDocumentId
- the document to return children for, which the caller may not have direct access to, and which must be a directory with MIME type of NoType:android/provider/DocumentsContract$Document;Href=../../../reference/android/provider/DocumentsContract.Document.html#MIME_TYPE_DIR.
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Build URI representing the children of the target directory in a document provider. When queried, a provider will return zero or more rows with columns defined by NoType:android/provider/DocumentsContract$Document;Href=../../../reference/android/provider/DocumentsContract.Document.html.
However, instead of directly accessing the target directory, the returned URI will leverage access granted through a subtree URI, typically returned by Android.Content.Intent.ActionOpenDocumentTree. The target directory must be a descendant (child, grandchild, etc) of the subtree.
This is typically used to access documents under a user-selected directory tree, since it doesn't require the user to separately confirm each new document access.