[SailfishDevel] Pull data in background

[Andrey Kozhevnikov]

you need to do it in separate class and implement dbus service for 
showing running instance when click icon again. try to do it yourself 
and tell me if you will not success, i'll give you minimal example.

04.05.2015 06:09, Nicolas Cisco пишет:
> I've create the gui view and set "setQuitOnLastWindow" to false. The 
> problem i'm having is that when the app gui is closed (the app 
> continues running on background), but the user can't open it again. 
> How can i reopen the gui view when the user clicks on the menu button 
> of the app?.
>
> The main code:
>
>     intmain(intargc,char*argv[])
>     {
>     //SailfishApp::main()willdisplay"qml/template.qml",ifyouneedmore
>     //controloverinitialization,youcanuse:
>     //
>     //-SailfishApp::application(int,char*[])togettheQGuiApplication*
>     //-SailfishApp::createView()togetanewQQuickView*instance
>     //-SailfishApp::pathTo(QString)togetaQUrltoaresourcefile
>     //
>     //Todisplaytheview,call"show()"(willshowfullscreenondevice).
>     //returnSailfishApp::main(argc,argv);
>     QGuiApplication*app=SailfishApp::application(argc,argv);
>     QQuickView*view=SailfishApp::createView();
>     app->setQuitOnLastWindowClosed(false);
>     view->setSource(SailfishApp::pathTo("qml/background.qml"));
>     view->show();
>     MyTimert;
>     qDebug()<<"Running!";
>     intret=app->exec();
>     qDebug()<<"Closes!";
>     returnret;
>     }
>
>
> MyTimer is just a class inherited from QTimer which prints "Running" 
> each 3 secs.
>
> 2015-05-02 23:50 GMT-03:00 Andrey Kozhevnikov <coderusinbox at gmail.com 
> <mailto:coderusinbox at gmail.com>>:
>
>     Just make gui view in your application creatable by request and do
>     not quit application when window is closed.
>
>     03.05.2015 06:27, Nicolas Cisco пишет:
>>     Hi,
>>     i'm developing a messaging app (server and client) for a subject
>>     at university. The proyect involves developing a server with a
>>     REST protocol and an android application. In order to have a real
>>     case to use it to compare developing an app for android and
>>     salifish, i thought that it would be a good idea to also
>>     implement the client for salifish.
>>
>>     The protocol is quite simple, i already managed to develop the
>>     server, tested via terminal and send messages using a simple qml
>>     app (basically i'm doing ajax calls). My problem is how should i
>>     poll notifications and messages. I have to periodically send an
>>     ajax call/http request to an url (eg: http://<server
>>     addr>/notifications) and the server will answer me with a json
>>     with all the new messages.
>>
>>     My first idea is that the qml app pulls the data directly, but,
>>     if the app is closed, no more data is pulled. Can the qml app
>>     start a service (which runs on the backgound) in order to
>>     continue the pulling of data?.
>>
>>     My second idea is to run a daemon which periodically pulls
>>     displays notification and communicates with the qml app via dbus.
>>     But, i've read that daemons aren't allowed in harbour apps, i
>>     want to use this prototype as a real test case of what will be
>>     shipping an app to Harbour.
>>
>>     Which would be the correct / recommended way to pull information
>>     from a server periodically (in the background)?.
>>
>>     Regards,
>>     Nicolas.
>>     -- 
>>     Nicolas Cisco
>>     www.nckweb.com.ar <http://www.nckweb.com.ar>
>>
>>
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>
>
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>
>
> -- 
> Nicolas Cisco
> www.nckweb.com.ar <http://www.nckweb.com.ar>
>
>
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