how can my app inherit from my classes

I have a class that can do some computations on some imported data. Now I would like to create an app with buttons for the methods in my class. Since I cant edit the first line in the "App Designer":

classdef App1 < matlab.apps.AppBase

is there another way of making my app inherit the methods and properties from my class?

Answer 1

[Guillaume]

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

[Micke Malmström]

thanks for the suggestion!

[Jan Kappen]

But what, if the AppDesigner GUI shall be the View, for example in MVC or MVP patterns? It should inherit from some kind of Interface (abstract superclass) and define some events which can be used by the Presenter or Controller. How would you solve that?

Thanks.

[Julian]

I have the same issue. I want to use MVC and can not use an abstract view.

[Xingguo WU]

Hi,

What's the practice to reuse custom UI components?

I wanted to inherit a panel class, and in this subclass I can already put other controls, finally to reuse this panel in main figure across different programs.

But seems I cannot inherit `matlab.ui.container.Panel`, error prompt saying something like "class not in the allowance list".

[Noah Griffiths]

classdef App1 < matlab.Apps.Appbase

Anyone aware what this syntax means.

Is the class instantiated inside the app designer or outside?

Does anyone know if app is a parameter passed into the class or is it not necessary? Trying to think in terms of how matlab usually forces the app parameter in functions in appdesigner