These colors usually used in the layouts of the application: You can easily find a situation when all the colors in an application are extracted to a colors.xml file when the application build with the traditional approach (without Jetpack Compose): The content of this article is based on the 1.0.2 version of Jetpack Compose and this article was updated on 14 September 2021. This article is a part of Jetpack Compose series: CoffeeDrinks is an Android application which shows a list of coffee drinks with a little bit of information about each of them. Samples in this article will be based on an app from the 'CoffeeDrinksWithJetpackCompose' repository. I propose starting with color palettes and afterwards moving to fonts. So, let's take a look at Jetpack Compose and try to solve both of these problems with this framework. When we want to apply a new font to the whole app, it can be time-consuming because we then have to update a lot of places. However, often we have a case where we have multiple places where we can find manually-configured colors and font sizes. As a result, applications contain custom UI components and color palettes. Many Android applications have a complex User Interface because designers invest a lot of effort into adding more features to the apps while still having a simple User Interface.

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