widget.setAlpha(val)

Start from API_LEVEL 2.1 . Please refer to API_LEVEL.

Set the opacity of the widget.

info

For widgets that do not support the alpha property, use widget.setAlpha to set opacity.

Type

(val: any) => void

val

Description	Type
Transparency, 0 - 255, default value is 255 for opaque, 0 for full	number

Code example

import { createWidget, widget, text_style, align } from '@zos/ui'

const text = createWidget(widget.TEXT, {
  x: 96,
  y: 120,
  w: 288,
  h: 46,
  color: 0xffffff,
  text_size: 36,
  align_h: align.CENTER_H,
  align_v: align.CENTER_V,
  text_style: text_style.NONE,
  text: 'HELLO ZEPPOS'
})

text.setAlpha(80)