Unsolved Application Output - End button Not Disable
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Hi,
I was created QDialog for capture camera data. Its working good. i have doubt on,
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Just Application Run & End :OK
Build-> Run-> Application open -> clicked close button from top right corner -> Dialog closed -> QT Creator's Application end button disabled perfectly [/home/Proj/build/Test exited with code 0]. -
Application Run with Camera data capture process & End : PROBLEM
Build-> Run-> Application open ->Start Capture -> Stop Capture -> clicked close button from top right corner -> Dialog closed -> QT Creator's Application end button Still Enabled [Starting /home/Proj/build/Test... - here not exited with code 0].
What is the reason?
How can i recover from this problem? -
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@Meenu
Probably your application hangs on exit. Break the execution (use the pause button in the debug view) when that happens (case 2) and extract a stack trace to see where the problem might lie.Kind regards.
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@kshegunov
No hanging problem while exit.
So i like to print the message using qDebug().Dialog::~Dialog() { if(startcapture) on_StopCapture(); delete ui; qDebug() << "deleted ui"; }
Dialog open and Close (No Data Capture Process):
Starting /home/Proj/build/Test...
deleted ui
/home/Proj/build/Test exited with code 0Dialog open with Data Capture Process then close:
Starting /home/Proj/build/Test...
Start Capture
End Capture
deleted ui
Note: After calls destructor function, More then 60 to 100 seconds taken to end the application normally like - /home/Proj/build/Test exited with code 0What is the reason?
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Hi @Meenu,
Please show us the code on how you start and stop the camera
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used timer concept to capture camera data.
void timer_handler(void) { StartAcquisition(); } void Dialog::on_StartCapture()//button clicked { if(start_timer(1000, &timer_handler)) { printf("\n timer error\n"); } } void Dialog::on_StopCapture()//button clicked { stop_timer(); StopAcquisition(); }
I have one more problem.
I like to use more than one timer in my application using this timer concept. I tired but single timer only execute(which one is last defined). Kindly clear me.