[Interest] Qt5.2-android: Fail to launch application in emulator

[见良]

    Hello everyone,
    I want to run a very simple widget based qt app in andriod emulator, but it fail in most circumstances.
    My test machine intalled ubuntu 12.04 x64, I use qtcreator 3.0 and I use qt5.2 (download from qt-project.org). The problem is if I run or debugging the debug version of my app or debugging the release version of my app it will fail to launch the app in emulator, it says in Application Output window of qtcreator:
    Unable to start 'org.qtproject.example.testAndroid'.
    The attached log file is the log messages from logcat when I debugging the  debug version of my app.
    But I can successfully launch the app if I run the release version of my app (I mean press 'run' button of qtcreator).
    I have also built qt5.2 by myself and it shows the same issue as the stock version downloaded from qt-project.org.
    Doesn't anybody encounter the same issue as me?
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