在设备之间建立连接后,您就可以开始交换数据了。 交换数据可以采用简单的字节数组(例如短文本消息)、文件(例如照片或视频)或流(例如来自设备麦克风的音频流)。
您可以使用以下连接管理器实例方法发送数据:
send(_:to:)
startStream(_:to:)
sendResource(at:withName:to:)
接收数据时,可以使用以下连接管理器委托方法。
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.
}
}