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+# Slider
+
+### Introduction
+
+The **<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.
+
+### Usage
+
+ This sample app provides a slider with five levels, corresponding to five font sizes. You can drag the slider to adjust the font size.
+
+### Constraints
+
+This sample can only be run on standard-system devices.