how to create a gui in matlab

main.m
classdef MyApp < matlab.apps.AppBase

    % Properties that correspond to app components
    properties (Access = public)
        UIFigure      matlab.ui.Figure
        Slider        matlab.ui.control.Slider
        EditField     matlab.ui.control.EditField
    end

    % Callbacks that handle component events
    methods (Access = private)

        % Value changed function: Slider
        function SliderValueChanged(app, event)
            value = app.Slider.Value;
            app.EditField.Value = num2str(value);
        end

    end

    % App initialization and construction
    methods (Access = private)

        % Create UIFigure and components
        function createComponents(app)

            % Create UIFigure
            app.UIFigure = uifigure;

            % Create Slider
            app.Slider = uislider(app.UIFigure);
            app.Slider.ValueChangedFcn = createCallbackFcn(app, @SliderValueChanged, true);

            % Create EditField
            app.EditField = uieditfield(app.UIFigure, 'numeric');
            app.EditField.Editable = 'off';
            app.EditField.Position = [20 40 100 22];

        end
    end

    % App startup and deletion
    methods (Access = public)

        % Construct app
        function app = MyApp

            % Create components
            createComponents(app)

            % Show the figure after all components are created
            app.UIFigure.Visible = 'on';

        end
    end
end
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