1# Slider 2 3### Introduction 4 5The **<slider\>** component is often used to set the sound, brightness, and font. This sample shows how to use the **<slider\>** component to adjust the font size. 6 7### Usage 8 9 This sample app provides a slider with six levels, corresponding to six font sizes. You can drag the slider to adjust the font size. 10 11### Constraints 12 13This sample can only be run on standard-system devices. 14