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Tag: Declares

Detecting UI Compatibility Mode in macOS Apps with Xojo

Published January 14, 2026 by Javier Menendez

As you may already know, starting with Xojo 2025r3, macOS apps can be developed and compiled with UI Compatibility Mode either enabled or disabled. Now imagine you are creating a Library intended for use in other projects and, as part of its UI-related functionality, the Library needs to determine whether the host application is running with UI Compatibility Mode enabled. How can you do that? Read on to find out.

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DesktopTextArea Without Soft Wrapping Lines on macOS

Published September 9, 2025 by Javier Menendez

When adding a DesktopTextArea to your macOS app, just drag it from the Library into a Window (or Container) in the layout editor of the Xojo IDE. It works out of the box with native macOS behavior. But what if you want to change that native behavior, like, for example, disabling soft wrapping? Keep reading to learn how.

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4 Setting the Badge Color for Tabs on iOS

Published August 20, 2025 by Javier Menendez

This is the final article in our series on customizing the appearance of the NavigationBar and TabBar. In this post, we’ll go a step further and show how to change the default color of the tab badge which is red by default.

As you might expect, we’ll need a few more Declares to accomplish this. Continue reading to learn how!

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3 Coloring the Tab Bar on iOS

Published August 19, 2025 by Javier Menendez

In the first two blog posts, we saw how important it is to customize the NavigationBar when theming your iOS app. However, that’s only part of the equation, especially if your app also uses a TabBar. In that case, you’ll likely want to customize not only the background color of the TabBar, but also the text color of the selected tab and the color used for the unselected tabs.

Continue reading to learn how to do all of this thanks to the powerful flexibility of Declares!

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2 Coloring the Navigation Bar Text on iOS

Published August 18, 2025 by Javier Menendez

In a previous blog post, we covered how to set the color of the NavigationBar on a MobileScreen in iOS projects. However, if you’re customizing the Navigation Bar’s background, you’ll likely want control over the title text color and the color of any buttons added to it as well.

Continue reading to learn how to customize those elements too.

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1 Coloring Your iOS App Navigation Bar

Published August 11, 2025 by Javier Menendez

This is the first of a series of 4 posts about customizing the Navigation and Tab Bars. One of the best ways to give your iOS app a custom look is by theming the Navigation Bar. While it’s possible to do this using a ContainerControl or a Rectangle with carefully applied constraints, there’s a better and more direct approach—using Declares.

Keep reading to learn how to style your Navigation Bar.

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macOS: Add More Options to the Window Menu

Published December 16, 2024 by Javier Menendez

By default, macOS adds several menu options to the Window menu of any Desktop app. Those options have been getting more interesting in the latest releases of the operating system, allowing, among other things, to set the position and arrangement of the Window on the screen, split the screen between the Window of one app and another app, or even sending a window of an app to an iPad as an “extended” screen in your macOS setup. Read on, adding these options to your Xojo-built macOS apps is just a few Declares away!

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