I got an email from developer.support@nokia.com,Paul tested with N9 1.0 and found that the N9 pr1.0 did not support import com.nokia.extras 1.1, he asked me to change it to import com.nokia.extras...

@Andrew
Thank you for the quick response, my question is after the compilation, how can I test the app?
I only used QML and basic Qt components, so I think the problem is N9 pr1.0 does not...

I submitted one app for meego device, but in the QA phase it failed with one old N9 firmware(10.2011.34-1-PR_001), but it works well on my N950 with firmware PR1.1(2.2011.39-5_PR_RM680).
Following...