QtCreator plugins and templates missing

Question

I just downloaded the Ubuntu phone SDK and QT creator according to the instructions.

When I fire up QTCreator, I get a screen as shown

If I ignore this message and hit continue, there are no templates to create the Mobile application as indicated in the tutorial I'm following.

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I tried installing qt5-default and qtchooser - problem still persists. Here is the error message

Cannot load plugin because dependency failed to load: RemoteLinux(2.6.82) 
Reason: Cannot load plugin because dependency failed to load: QtSupport(2.6.82) 
Reason: Cannot load plugin because dependency failed to load: ProjectExplorer(2.6.82) 
Reason: /usr/lib/i386-linux-gnu/qtcreator/plugins/QtProject/libProjectExplorer.so: 
Cannot load library /usr/lib/i386-linux-gnu/qtcreator/plugins/QtProject/libProjectExplorer.so: 
(libQt5Declarative.so.5: cannot open shared object file: No such file or directory)

Answer 1

As David mentioned rerunning this command seemed to help:

sudo apt-get install ubuntu-sdk notepad-qml

The only other thing for me was I had to remove the previous install first and run another update before reinstalling would work.

To uninstall run the following command.

sudo apt-get purge ubuntu-sdk notepad-qml

Then update the sources and reinstall the packages.

sudo apt-get update && sudo apt-get install ubuntu-sdk notepad-qml

I am running 12.10 so I don't know if this is the same for each release.

Answer 2

I ran into the same problem earlier today when I updated my system and opened QT Creator. I found that the the ubuntu-sdk package didn't update itself properly. Try running this command to fix the problem:

sudo apt-get install ubuntu-sdk notepad-qml

I am sure you already ran this to initially install QT Creator, but running this again helped me. I cannot guarantee this will fix the issue, it worked for me.

Hope this helps!

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Plus run this as well:

sudo apt-get install libbotan*