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Author: Paul Lefebvre

iOS User Authentication with Face ID

Published March 31, 2021 by Paul Lefebvre

With the new UserAuthentication class available in Xojo 2021 Release 1, you can now easily ask an iOS user to authenticate themselves using Face ID, Touch ID or with their password/passcode. In an iOS project, add a UserAuthentication object to your screen and change its name to Authenticator.

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MobileMoviePlayer

Published March 31, 2021 by Paul Lefebvre

The MobileMoviePlayer is a relatively new iOS feature in the Xojo Programming language. To use MobileMoviePlayer start a new iOS project and drag the MoviePlayer control from the Library onto a Screen.

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A Functional ForEach

Published March 22, 2021 by Paul Lefebvre

When looping through an array, I am a big fan of using For Each as I find it more readable than using a For loop with a counter and looking up the item in the array with the counter. Sometimes it’s fun to do stuff just because you can! Plus, it makes for a good excuse to learn about some more advanced Xojo features

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Folder Contents in a Menu, Redux

Published February 24, 2021 by Paul Lefebvre

Since I was asked for a few enhancements, here’s a quick update to my previous Folder Contents in a Menu post from earlier this week. Enhancements include: Display the requested folder in the menu.
Sort the folder contents.
Skip files that cannot be accessed.

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Folder Contents in a Menu

Published February 23, 2021 by Paul Lefebvre

A user on the forum asked how they might show folder contents in a PopupMenu. Since a PopupMenu is not hierarchical, that wasn’t really an option. But an alternative would be to show the contents in a hierarchical menu. Here’s how you can recurse through files and add them to a regular MenuItem.

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Use Multiple CPU Cores with Workerworker

Use Multiple CPU Cores with Worker

Published November 24, 2020 by Paul Lefebvre

A Worker provides a way for you to have code that runs on multiple CPU cores. A Worker achieves this by running its code in a Console app. One or more of these console apps are started based on your Worker settings. Since these run as Console apps, the OS treats them as separate processes and spreads them out amongst available CPU cores.

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