1# chart 2 3### Introduction 4 5This sample shows how to use the **<chart\>** component to draw six types of charts: bar, line, gauge, loading, progress, and rainbow. 6 7### Usage 8 9The home screen of the sample displays six buttons. Touch a button to view the respective chart type. 10 11### Constraints 12 13This sample can only be run on standard-system devices. 14