Best/Recommended way to record information in the Release version

Hello

I've searched around, but don't see any results on the issue yet. Then I would ask what is the best/recommended way to record Release version information?

I use Momentics IDE 10.2. When I choose run or Debug, qDebug() & qWarning display information very well in the console of the IDE, but with "run" they don't show anything in the console. Tested on both Q10 & Simulator.

Thank you

Install your own messages QDebug Manager, do write to a file, for example newspapers newspaper. Then open a terminal on the device, navigate to the file and the type of your application:

# tail -f logs/log

to view the log file.

Change your main.cpp along these lines:

#include 

static FILE * logFile;

void logger(QtMsgType type, const char * msg)
{
    Q_UNUSED(type);
    std::fprintf(logFile, "%s\n", msg);
    std::fflush(logFile);
}

Q_DECL_EXPORT int main(int argc, char **argv)
{
    logFile = fopen("logs/log", "a");
    qInstallMsgHandler(logger);
    Application app(argc, argv);

    // Create the Application UI object, this is where the main.qml file
    // is loaded and the application scene is set.
    new ApplicationUI(&app);

    // Enter the application main event loop.
    return Application::exec();
}

Note: the file will be closed by the operating system, more messages are seen if you don't shut it down at the bottom of the hand. Why? because c is destorying local variables (app) at the end of the main, and who calls the string whole qt of parent-child destructor for your class of application as well.

Tags: BlackBerry Developers

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