我想找到用户通过iOS共享面板共享到的应用。为此，我正在实现UIDocumentInteractionControllerDelegate方法documentInteractionController:willBeginSendingToApplication:-(IBAction)onOpenWithClicked:(id)sender{NSURL*savedURL=[selfgetURL];self.interactionController=[UIDocumentInteractionControllerinteractionControllerWithURL:savedURL]