# Barcode (/examples/libs/barcode)



Generates 1D barcodes as LVGL canvas images using code128. Enable with `LV_USE_BARCODE` in `lv_conf.h`.

Barcode with palette colors [#barcode-with-palette-colors]

<LvglExampleBrief>
  Render a barcode encoding an LVGL URL with custom dark and light colors.
</LvglExampleBrief>

A barcode widget is centered on the active screen with its height set to 50 px.
`lv_barcode_set_dark_color` and `lv_barcode_set_light_color` use darkened and
lightened entries from `LV_PALETTE_BLUE` and `LV_PALETTE_LIGHT_BLUE` for the
bars and background, a matching border color is applied, and
`lv_barcode_update` encodes `https://lvgl.io`.

<LvglExample name="lv_example_barcode_1" path="libs/barcode/lv_example_barcode_1" />