Getting QT apps running.

[Kyle Fazzari]

On 07/28/2016 11:05 AM, Dietmar Winkler wrote:
> Hi,
> 
> when trying to run this "ipe" qt app I got the error message:
> $ ipe
> This application failed to start because it could not find or load the
> Qt platform plugin "xcb".
> 
> I found out that I need to include the libqt5gui5 package as stage
> package (just like in the hello-world-desktop example, But even though
> I added it to my yaml file I still get the same error message.
> 
> https://github.com/dietmarw/snaps/blob/master/ipe/snapcraft.yaml#L44
> (I'm actually not sure if I really need the "after: [qt5conf]" part.)
> 
> So what else am I missing?

The problem is that your application isn't looking in the right place
for the platform plugins. That's where the qt5conf part comes in handy--
it includes a launcher script to set that environment for you.

You need to use the launcher from the qt5conf part in order to launch
the app.

apps:
  ipe:
    command: bin/ipe

Needs to be:

apps:
  ipe:
    command: qt5-launch bin/ipe

And so on.

--
Kyle Fazzari (kyrofa)
Software Engineer
Canonical Ltd.
kyle at canonical.com

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