MqttClient.withPort constructor Null safety

MqttClient.withPort(
  1. String server,
  2. String clientIdentifier,
  3. int? port
)

Initializes a new instance of the MqttClient class using the supplied Mqtt Port. The server/hostname to connect to. The client identifier to use to connect with. The port to use

Implementation

MqttClient.withPort(this.server, this.clientIdentifier, this.port);