> For the complete documentation index, see [llms.txt](https://help.appybuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.appybuilder.com/components/reference/legomindstorms/ev3ui.md).

# Ev3UI

A component that provides a high-level interface to a LEGO MINDSTORMS EV3 robot, with functions to draw graphs on EV3 screen.

## Properties

### BluetoothClient

The BluetoothClient component that should be used for communication. Must be set in the Designer

## Methods

### DrawPoint (number color, number x, number y)

Draw a point on the screen.

### DrawIcon (number color, number x, number y, number type, number no)

Draw a built-in icon on screen.

### DrawLine (number color, number x1, number y1, number x2, number y2)

Draw a line on the screen.

### DrawRect (number color, number x, number y, number width, number height, boolean fill)

Draw a rectangle on the screen.

### DrawCircle (number color, number x, number y, number radius, boolean fill)

Draw a circle on the screen.

### FillScreen (number color)

Fill the screen with a color.