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Category: Mobile

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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iOSLayoutConstraints … Less Constrained

Published July 8, 2025 by Javier Menendez

Until now, the only way to work with named iOSLayoutConstraint instances was by assigning a name in the Inspector Panel. This allowed you to reference them later in code, for example, to deactivate, reactivate, or remove them from a MobileScreen or MobileUIControl. Very handy!

But what about iOSLayoutConstraint instances created in code? Starting with Xojo 2025r2, that’s been improved! Keep reading to learn how.

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