Which of the following is NOT a density qualifier for Android icon resources?

In Android development, density qualifiers are used to specify different versions of graphic resources based on the screen density of the device. The correct answer, "style," is not a density qualifier; rather, it refers to a different aspect of resource organization in Android.

The density qualifiers—mdpi (medium density), hdpi (high density), and xxhdpi (extra-extra-high density)—are specifically designed to adapt icon and image resources to different screen resolutions. This allows for the display of graphics that are appropriately sized and clear on devices with varying pixel densities.

Using these qualifiers helps ensure that images look sharp and maintain the intended design across a wide range of devices, thereby providing a better user experience. In contrast, "style" pertains to themes and styling for components within the app, affecting the overall appearance but not linked to density or resolution in the same way.