MATLAB: How to move an app (in appdesigner) to a new directory and handle icons (png files) on push buttons

appdesignericonsMATLABpushbuttond

Hello, Appdesigner allows you to add Icons to buttons.

My question is, if I want to copy my App to a different name in a different directory and I've already added icons (png) to pushbuttons I don't want the new app to point to the original picture files for the icons. If I just drop these icons in the new directory, will I have to selecvt each button and re assign the icon in the new directory?

Thanks

Jason

Best Answer

If you want to move your app in different folder, you can create a folder with icons and add it to the MATLAB path and the icons will always remain there wherever you move the app.

You can move also your images to the same folder with the app, as paths to the images can be relative, but it's not a tidy solution.

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MATLAB: Find path of app when opening app using ‘Open’ menu from a different directory (App designer)

mfilename('fullpath')

MATLAB: How to make an image file path relative to an mlapp file that uses it

When given a relative file path, MATLAB will search the current directory and then the MATLAB path. When the current directory is a folder containing both the .mlapp file and an image file, 'icon.png', calling "uiimage(app.UIFigure, 'ImageSource', 'icon.png');" finds the image, but if the current MATLAB directory is different from that folder then it won't be found unless it is on the MATLAB path. The absolute file path can be hard coded, but this makes the app difficult to share between users. Commands like "pwd" also return the path to the current MATLAB directory, and not the path to the directory of the script that called it.

To obtain the absolute path to the image at run time, the following lines can be added to "startupFcn" in the .mlapp file:

imageFile = 'icon.png';
absPath = fileparts(mfilename('fullpath')); % absolute path to the folder containing the mlapp file
imageAbsolute = fullfile(absPath, imageFile); % absolute path to the image file
uiimage(app.UIFigure, 'ImageSource', imageAbsolute);

Best Answer

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