Code and Debugging is not clickable when running the app

Question

Julian 2023-12-8

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2058049-code-and-debugging-is-not-clickable-when-running-the-app

回答： prabhat kumar sharma 2023-12-19

HI,

I have a Matlab App and wanted to find some issues in the code.

I opend the App Designer, made some break points and startet the App.

When I clicked on a button the code run until my breakpoint but I could not click on anything in Matlab including the App Designer.

I could not make a single step, continue or just scroll in the code.

I followed this steps but nothing was usefull. I even reinstalled Matlab and now I can't even process individual lines with the debugger in "normal" Matlab.

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Answer 1

prabhat kumar sharma 2023-12-19

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https://ww2.mathworks.cn/matlabcentral/answers/2058049-code-and-debugging-is-not-clickable-when-running-the-app#answer_1373992

Hi Julian,

I understand you're facing issues with App Designer while debugging.

Typically, sudden app crashes can occur for various reasons, including memory leaks, which you should investigate. I suggest checking for any code segments that might be causing a memory leak or running indefinitely. Here are some steps to consider:

1. Ensure there are no non-terminating loops in your code.

2. Check if you're using any time-consuming functions that could be replaced with more optimized alternatives.

3. If you're opening files using `fopen`, make sure you are closing them properly with `fclose`.

I hope this helps!