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Top Forums Programming Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App Post 303043645 by Neo on Sunday 2nd of February 2020 11:52:53 PM
Old 02-03-2020
I see folks on FB are starting to show interest in this app, so here are the steps to get started, for those who do not want login:

(1) Download and install the IoT-OnOff app. Basic use is free and that is all you need. Note, I am not the creator of this app and have no relationship with the creator at all.

Configure the app as follows.

(2) Go to settings:

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_0465ajpg


(3) Then go to MQTT Broker and add the IP address of the MQTT server / service (and make sure all the other settings are the exact same as in the photo):

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_450213596df6-1jpeg


(3) Then go to the Authentication screen and add the user name and password to the broker service:
  • The user name is: <contact me, or reply back asking for user name>
  • The password is: <contact me, or reply back asking for password>

There is no "hidden meaning" to the user name and password, I just used them at random when I first installed and tested the MQTT message broker Smilie

Make sure you turn on "authentication" at the bottom of that screen:

Wuhan Coronavirus Status App for China - Rapid Prototype using MQTT and the IoT OnOff IOS App-img_52044ea2d923-1jpeg


(4) Next you configure your dashboard (just take a few minutes, see next post):
 

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STOMP_CONNECT(3)							 1							  STOMP_CONNECT(3)

Stomp::__construct - Opens a connection

       Object oriented style (constructor):

SYNOPSIS
public Stomp::__construct ([string $broker = ini_get("stomp.default_broker_uri")], [string $username], [string $password], [array $headers]) DESCRIPTION
Procedural style: resource stomp_connect ([string $broker = ini_get("stomp.default_broker_uri")], [string $username], [string $password], [array $head- ers]) Opens a connection to a stomp compliant Message Broker. PARAMETERS
o $broker - The broker URI o $username - The username. o $password - The password. o $headers -Associative array containing the additional headers (example: receipt). RETURN VALUES
Note A transaction header may be specified, indicating that the message acknowledgment should be part of the named transaction. CHANGELOG
+--------+-----------------------------------+ |Version | | | | | | | Description | | | | +--------+-----------------------------------+ | 1.0.1 | | | | | | | The $headers parameter was added | | | | +--------+-----------------------------------+ EXAMPLES
Example #1 Object oriented style <?php /* connection */ try { $stomp = new Stomp('tcp://localhost:61613'); } catch(StompException $e) { die('Connection failed: ' . $e->getMessage()); } /* close connection */ unset($stomp); ?> Example #2 Procedural style <?php /* connection */ $link = stomp_connect('ssl://localhost:61612'); /* check connection */ if (!$link) { die('Connection failed: ' . stomp_connect_error()); } /* close connection */ stomp_close($link); ?> PHP Documentation Group STOMP_CONNECT(3)
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