MATLAB: Is it possible to build custom UI components in app designer that can be visually re-used in app designer

app designerui components

I would like to build a series of custom compound ui components from the common components in app designer, and then make the custom ui components available as drag and drop components in app designer. Perhaps something as simple as creating a container, populating the container with common components, and then saving the container as a ui*** component that can be visually selected from a component library in app designer.

Fundamentally, does this level of flexibility to create and manage custom ui components exist yet in app designer?

Best Answer

As of R2020b you can author a custom UI component and add it to an App Designer app programatically (i.e. it is not possible to add it to the Component Library in the App Designer canvas). You can use this class to create reusable components across multiple apps.

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MATLAB: Plotting in App designer

x = 1:10;
y = sin(x);
plot(app.UIAxes,x,y);

MATLAB: How can the app inherit from the classes

The app (GUI) should not inherit methods from your class and it's a good thing matlab actually prevents it. This would be antithetical to the principle of OOP particularly encapsulation. The App class is designed to handle interaction with the GUI, nothing more. It certainly shouldn't expose the method of an unrelated class

The proper design is to have an instance of your class as public or private member( property) of the App class. You can instantiate that member at creation of the GUI (in the startup callback) and use its properties and methods anywhere from the app. So, the code would be something like:

classdef App1 < matlab.Apps.Appbase
    % Properties that correspond to app components
    properties (Access = public)
        UIFigure  matlab.ui.Figure
    end
      % Your own properties that you can edit:
      properties (Access = private)
          MyClass myobject % Description
      end
      methods (Access = private)
          % Code that executes after component creation
          function startupFcn(app)
              app.myobject = MyClass(args);
          end
      end

Best Answer

Related Solutions

MATLAB: Plotting in App designer

MATLAB: How can the app inherit from the classes

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