Writing applications for Ubuntu (including Ubuntu Touch) and questions about the application submission process to the Ubuntu Software Center. This covers both open source and commercial applications.

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QT code for U Touch returns `qmlscene: cannot find qt installation of ''`

I'm trying to start developing for Ubuntu and Ubuntu phone, but I get an error: qmlscene: cannot find qt installation of '' when I attempt to run my application in Ubuntu from the command line. I'm ...
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What in Quickly creates an empty …/share/gnome/help/…/C/figures/ folder?

Something in packaging scripts creates an empty figures folder where it's not present before this packaging. Where is it?
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Do you need sudo rights to shutdown on Ubuntu?

I am looking to migrate a Snoozer application I originally wrote in windows on AutoIt, which when it comes down to it is a Shutdown Snoozer. I list faling asleep to a movie or show, but I wake up if ...
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Removing my app from Ubuntu's PPA [closed]

As I've sent my app to Ubuntu's PPA using quickly submitubuntu and its version was wrong (12.07... right is 0.1!) Details of the app: Virtuam 0.1 Developed with Quickly (Python/GTK+3) Uploaded (as ...
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Quickly: how do I return entered data into parent window?

at last I started a simple project (you tube video downloader) in quickly , But got stucked . I added youtube url entry dialog using quickly add dialog command and ;linked it to new button . How ...
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Can I submit an application started one year ago to the Ubuntu App Showdown?

I started developing an application one year ago. I published it in SourceForge and it runs in Ubuntu, but I did not send it to the Software Centre. May I send it to the Ubuntu App Showdown contest?
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Import “prompts” in quickly (Simple Player tutorial)

I am following this tutorial on quickly. At one point I have to write from quickly import prompts in the file called SimplePlayerWindow.py. But when I do that and run my application, I get the ...
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some questions related to ubuntu app showdown

I have some questions about ubuntu appshowdown My questions: Can i submit more than one app in the contest and tell me more about this suppose i submit 5 apps out of which one is won then will it ...
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Quickly, syntax error: media_grid.show()

i run the app and get this error. the little arrow points to the 'd', dont know what that means. plus i had the same error just before but on this line: from quickly.widgets.dictionary grid import ...