交換資料

連結裝置後，即可開始交換資料。交換的資料可以是簡單的位元組陣列，例如簡短文字訊息、檔案 (例如相片或影片)，或串流 (例如裝置麥克風的音訊串流)。

可使用下列連線管理工具的執行個體方法來傳送資料：

  • send(_:to:)
  • startStream(_:to:)
  • sendResource(at:withName:to:)

在接收資料時，您可以使用下列連線管理員委派方法。

Swift

extension Example: ConnectionManagerDelegate {
  func connectionManager(
    _ connectionManager: ConnectionManager, didReceive data: Data,
    withID payloadID: PayloadID, from endpointID: EndpointID) {
    // A simple byte payload has been received. This will always include the full data.
  }

  func connectionManager(
    _ connectionManager: ConnectionManager, didReceive stream: InputStream,
    withID payloadID: PayloadID, from endpointID: EndpointID,
    cancellationToken token: CancellationToken) {
    // We have received a readable stream.
  }

  func connectionManager(
    _ connectionManager: ConnectionManager,
    didStartReceivingResourceWithID payloadID: PayloadID,
    from endpointID: EndpointID, at localURL: URL,
    withName name: String, cancellationToken token: CancellationToken) {
    // We have started receiving a file. We will receive a separate transfer update
    // event when complete.
  }

  func connectionManager(
    _ connectionManager: ConnectionManager,
    didReceiveTransferUpdate update: TransferUpdate,
    from endpointID: EndpointID, forPayload payloadID: PayloadID) {
    // A success, failure, cancelation or progress update.
  }
}