Roller ​

A roller is a commonly used interface element for selecting from a set of predefined options. It is often used for setting options, adjusting values, or selecting from a group of related choices.

For more detailed information, you can refer to this link: https://docs.lvgl.io/8.3/widgets/core/roller.html

Properties ​

A roller has several properties to define its behavior and appearance.

• Mode: The scrolling mode allows users to select options by scrolling; the infinite mode allows users to infinitely scroll and select options.
• Default selected: Used to set the default selected item in the roller.
• Add options: Used to add a scrolling list of options to the roller.

Styles ​

The roller also has some styles to define its appearance and style.

• MAIN: Used to set the style of the roller body.
• SELECTED: Used to set the style of the selected part of the roller.

Example ​