Posting to Thingspeak

GeorgeIoak

I searched the forums and internet and was surprised that I could not find examples of any Qt apps posting to Thingspeak. Did I miss some helpful examples somewhere?

Thingspeak API

--George

jsulm

@GeorgeIoak Well, this is a REST API, you use it as any other REST API. Why do you need specific Qt example? Take a look at Qt networking and its examples: http://doc.qt.io/qt-5/qtnetwork-index.html

GeorgeIoak

Thanks, I'm quite new to Qt and slowly learning so I was just looking for some examples as I hadn't done any networking tasks with Qt yet.

It looks as though I should use QNetworkAccessManager and then is it as simple as following this example:

QNetworkAccessManager *manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)),
        this, SLOT(replyFinished(QNetworkReply*)));

manager->get(QNetworkRequest(QUrl("http://qt-project.org")));

Except perhaps replacing the get with post?

SGaist

Hi,

And also change the address and call one of the end point described here ?

GeorgeIoak

Yes, I got it working this afternoon. It seems to work with get. I haven't handled any of the replies or error checks but I found another example and together with this it's working.

SGaist

It all depends on the endpoint you are calling and how it's implemented on the other hand. The documentation tells which one you should use.