sendMessageToGroup method
Sends a confidential message to the secure group members.
The payload data
is encrypted.
Throws a DeviceFailureException if the Wi-Fi/Bluetooth adapter is not enabled.
Implementation
void sendMessageToGroup(Object data) {
if (_datalinkManager.checkState() == 0) {
throw DeviceFailureException('No wifi and bluetooth connectivity');
}
_presentationManager.groupController.sendMessageToGroup(data);
}