How do you output App data to a calling function?

Question

Chris Nemecek 2018-7-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/411370-how-do-you-output-app-data-to-a-calling-function

评论： Chris Nemecek 2018-7-31

I have a function/script that calls an instance of an App I created in AppDesigner. How do I get the App to return data to the function/script upon closing the App?

hApp = selectFiles_v0000; % call to open App within the function/script
importInfo(hApp,trajectoryDirectory,'.nc') % necessary to import function data into the App since I only have Matlab 2016b and do not have the ability to have a StartUpFcn with inputs        
uiwait(hApp.selectFiles);
% need to have data from the App available in the function/script at this point

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Answer 1

crixstox 2018-7-23

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https://ww2.mathworks.cn/matlabcentral/answers/411370-how-do-you-output-app-data-to-a-calling-function#answer_329957

I had a similar probelm and made the following work around.

In the calling function replace 'uiwait(hApp.selectFiles)' with 'uiwait(hApp.UIFigure)'
Generate a button called 'close' in the app and add a callback involving uiresume(app.UIFigure).
Read out the needed data in the calling function (usually with hApp.<name>.Value).
If the app interface is no longer needed call additionally 'hApp.delete'.

I hope this helps.