open document picker and upload iOS swift

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 Solution:

var selectedDocPath: URL!

extension docVC: UIDocumentPickerDelegate {

    func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {

        // Handle the selected PDF file here

        let selectedURL = urls.first

        selectedDocPath = selectedURL

        uploadDoc()

        // Process the selected PDF file

    }

    

    func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {

        // Handle cancellation

    }

}



Use selectedDocPath to upload the file to server

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