- resolver
- Documentation for this section has not yet been entered.
- documentUri
- document to return thumbnail for, which must have NoType:android/provider/DocumentsContract$Document;Href=../../../reference/android/provider/DocumentsContract.Document.html#FLAG_SUPPORTS_THUMBNAIL set.
- size
- optimal thumbnail size desired. A provider may return a thumbnail of a different size, but never more than double the requested size.
- signal
- signal used to indicate if caller is no longer interested in the thumbnail.
Documentation for this section has not yet been entered.
Return thumbnail representing the document at the given URI. Callers are responsible for their own in-memory caching.