GUI closing unexpectedly once published as an application?

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Jasmine am 30 Jul. 2014

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Kommentiert: Jasmine am 30 Jul. 2014

Hi, I have written a fully working GUI. I then wanted to add more functionality by bringing up a further GUI when a push button is pressed. This all seems to work fine when run from inside MATLAB. However, once the application is published using applicationCompiler, when that button is pressed the second GUI appears for a fraction of a second and then disappears/closes. The second GUI is called using:

% --- Executes on button press in pushbutton7.
function pushbutton7_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton7 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
FuncGen2;

I attach the code for the second GUI (FuncGen2) as well.

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Jasmine am 30 Jul. 2014

FuncGen2.m

Code for second GUI.

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Robert Cumming am 30 Jul. 2014

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run the exe from a command prompt and it will write any error message to that window - that should help you debug.

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Robert Cumming am 30 Jul. 2014

Thats your error then - at runtime that is causing a crash which is the reason your code fails.

You should perform checks on the values provided by the user from the edit boxes before running the line (or the lazy way is to wrap in a try/catch)

Jasmine am 30 Jul. 2014

Ah I think I may have found my error. Its the old case of trying to do something (in this case, draw a graph) without having initialised all of the values. Therefore, I think my offset (off) was not set to anything (or more likely [] (i.e. not a number))and so of course it could not evaluate the expression above.

Thank you for suggest the cmd prompt, most helpful :)

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