[Interest] Question on qt-google-calendar from Qt-interest

Igor Grivko igrivko at ics.com
Tue Jul 3 20:21:01 CEST 2012

Hi Harry,

Sorry for delay with reply, I was on vacation.

Google uses standard OAuth2 way of authentication, you can have a look at:


Then I probably need to say some words about how it is supposed to work.
You need to create Google account (if you do not have one already) and 
visit Google Console page:


There you can create your own "Google Application". All the requests 
that Google performs will be counted as yours. We do not provide the 
secrets to our Google application - as Google has courtesy limits for 
requests, and we do not want to be charged.

Then you need to get "secrets" from your Google application - you need 
to go to tab *Api Access* in Google Console.

There you can find Cliend ID, Client Secret, and Redirect URI. Redirect 
URI can be any working web server - you can use www.ics.com, for instance.
Those three strings is the "fingerprints" of your Google application.

Of course you need to turn on the access to Calendar API too.

You can take a look at Wiki page of the our Calendar project:


Of course you do not need to create your own server.

Hope it helps. Feel free to ask any questions!

Best regards,
Igor Grivko

> ---------- Forwarded message ----------
> From: *Harri Pasanen* <harri at mpaja.com <mailto:harri at mpaja.com>>
> Date: Mon, Jun 25, 2012 at 12:39 PM
> Subject: Re: [Interest] ICS Announces Qt-Based Google APIs
> To: Justin Noel <justin at ics.com <mailto:justin at ics.com>>
> Cc: interest at qt-project.org <mailto:interest at qt-project.org>
> I took a quick look at qt-google-calendar, but it's unclear to me how 
> the authentication is supposed to work?
> Basically the code expects you to fill in response uri, but does not 
> implement the server for it?
> What am I supposed to put in there (m_strRedirectURI)? Reading google 
> docs it should probably be http://localhost:port
> but then I should have a server listening there (or oauth2 should 
> provide one).
> Confused,
> Harri
> On 06/20/2012 03:52 PM, Justin Noel wrote:
>> On 06/19/2012 03:48 PM, Till Oliver Knoll wrote:
>>> Am 19.06.2012 um 20:21 schrieb Lynn Gray <lgray at ics.com 
>>> <mailto:lgray at ics.com>>:
>>>>   * *Google Maps* – embed Google Maps images or Street View
>>>>     panoramas without the need for JavaScript.
>>> Just out of curiosity: is this a Google Map, shown via a WebKit 
>>> view, controlled (internally) via the Google JavaScript API which is 
>>> exposed as C++ methods?
>> The main developer of these packages just left on a well deserved 
>> vacation. I wasn't directly involved with this project but I may be 
>> of assistance here. The map in particular is a WebView + javascript 
>> wrappers. Most of the other google apis are accessed directly without 
>> webview, etc. If anyone has more questions you can fire them my way.
>> Thanks!
>> --Justin
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