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How to link to a web address or a local PDF file from App designer?

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I am adding a small help section to my app including some additional information about the product and how to use it. To do so, I need to learn:
1 - How to assign a hyperlink to text so that the assigned web address is opened in a browser?
2 - How to link to a local PDF file so that it is opened in a PDF reader once the user clicks on it? Let's assume we have a help file in PDF format, in the same directory of the application.
Thanks in advance.


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Accepted Answer

Pranjal Priyadarshi
Pranjal Priyadarshi on 18 Feb 2019
Edited: Pranjal Priyadarshi on 18 Feb 2019
In order to assign a hyperlink to a component so that the assigned web address is opened in browser, we can add callback functions with the component being used in the AppDesigner in the manner shown below:
function ClickforHyperLinkButtonPushed(app, event)
%Anyone of the below commands can be used.
dos('explorer'); % This will open the mentioned URL in new tab in Internet Explorer.
web(''); % This will open the URL in the help browser of MATLAB.
This callback can be used for opening a file
function ClickForPDFButtonPushed(app, event)
dos('explorer file:/// FILE_PATH');


Farzam Malmir
Farzam Malmir on 20 Feb 2019
Thank you Pranjal. So it means I have to define a separate button to make a callback function for hyperlink, right? Isn't there any way to assign a hyperlink to a part of my text box like the way we do in text editors like Word?
Based on the code you listed, I also tried to use a "contact us" button so that by a click, the default email manager, let's say Outlook, opens with the developer's email address listed automatically in the receiver text box. However, neither of the following codes work. Please also help me with this.
Pranjal Priyadarshi
Pranjal Priyadarshi on 22 Feb 2019
To answer the first question: I don't think anything of that sort is available in app designer.
To answer the second question: For sending email using the default email manager you can use the following callback. [For this to work you should have email manager installed on your windows machine (e.g. Outlook on Windows machine )]
email = 'myaddress@provider.ext';
url = ['mailto:',email];

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