R2020b AppDesigner doesn't fill UiFigure completely with child

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Julian Krebs 2020-10-12

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https://ww2.mathworks.cn/matlabcentral/answers/611331-r2020b-appdesigner-doesn-t-fill-uifigure-completely-with-child

评论： Bruno Luong 2020-10-12

PulseGenerator.mlapp

Hello everybody,

I noticed strange positioning behavior in the Matlab R2020b update. In contrast to the R2020a release, the complete UI figure is no longer filled in directly after starting the app, but only partially. I am demonstrating this using the "Pulse Generator" sample app without making any changes to the code. The red hatched area is undesirable and only occurs in the R2020b release. Why is that like this? Do we need to make any migrations to convert the app to R2020b?

On R2020b

R2020b with Space on the right and on the bottom

On R2020a

The sample application is attached, but as I said, it is simply a randomly selected sample application that is suggested when creating a new document.

Thanks in advance!

Julian

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Mario Malic 2020-10-12

编辑：Mario Malic 2020-10-12

I might have experienced something similar, but I am not sure if this is the solution. In your UIAxes, check the property group Position, PlotBoxAspectRatioMode and DataAspectRatioMode, try setting PlotBox property on 'auto', second one as well if it doesn't solve the issue.

There might be some issues when migrating apps that use GridLayout.

Julian Krebs 2020-10-12