Why can't I see the component library when I open my app designer?

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闫 2024-6-20

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https://ww2.mathworks.cn/matlabcentral/answers/2130261-why-can-t-i-see-the-component-library-when-i-open-my-app-designer

评论： Raj Mohansainath 2024-6-20

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Answer 1

Ayush Singh 2024-6-20

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编辑：Ayush Singh 2024-6-20

Hi,

The problem lies in persisting the panel layouts.

The UIContainer framework saves the side panel layout information in a JSON file, which may have become corrupted on the machine.

To resolve the issue, please follow the steps listed below:

Locate the "AppDesignerMainPanelLayout.json" file. The path to the file should be similar to the following:C:\Users\<User Account Name>\AppData\Roaming\MathWorks\MATLAB\Release\
Delete the "AppDesignerMainPanelLayout.json" file.
Restart MATLAB.
Launch MATLAB App Designer.

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闫 2024-6-20

Problem solved, thank you very much!

Raj Mohansainath 2024-6-20

Hi , i was not able to locate the file in the location mentioned as above , can you share which location did you find the file or did you try other method

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Answer 2

Matlab Pro 2024-6-20

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Hi

Look at the 2 images I have attached:

On "app_designer1.png" I added an arrow pointing to the edge of "Components LIbrary" Strip

When I hover next to it - there is a "scroll anchor" that enables to enarge/fold this region

See app_designer2.png for how it looks after minimizing

Try to look for this "anchore" to the left of your appdesdigner GUI and then - enlarge it (click and drag the "Components Library" strip to the right)