Buzzer

Start from API_LEVEL 3.6 . Please refer to API_LEVEL.

Buzzer.

Methods

isEnabled

Get whether other options in the system buzzer scene settings are turned on, Settings - > Sound & Vibration - > Buzzer Scene - > Other

isEnabled(): boolean

getSourceType

Get buzzer mode

getSourceType(): Type

Type

Value	Type	Description	API_LEVEL
ALARM	number	Alarm clock	3.6
REMIND_1	number	Reminder 1	3.6
REMIND_2	number	Reminder 2	3.6
OPERATE	number	Operation	3.6
SUCCESS	number	Success	3.6
FAILURE	number	Failure	3.6

getStrength

Get buzzer strength, '0' - weak, '1' - medium, '2' - high

getStrength(): number

start

Start beeping, you can pass in type to specify the built-in beeping mode of the system,repeatCount is the number of repetitions, default 0, do not repeat

start(type: number, repeatCount: 0): void

stop

Stop buzzer

stop(): void

Example

import { createWidget, widget, prop, align, text_style } from '@zos/ui'
import { Buzzer } from '@zos/sensor'
import { px } from '@zos/utils'

const sceneList = ['ALARM', 'REMIND_1', 'REMIND_2', 'OPERATE', 'SUCCESS', 'FAILURE']

Page({
  state: {
    pageName: 'BUZZER',
    currentIndex: 0,
  },
  build() {
    const buzzer = new Buzzer()
    const sceneText = createWidget(widget.TEXT, {
      x: px(0),
      y: px(120),
      w: px(480),
      h: px(46),
      color: 0xffffff,
      text_size: px(20),
      align_h: align.CENTER_H,
      align_v: align.CENTER_V,
      text_style: text_style.NONE,
      text: `${sceneList[this.state.currentIndex]}`,
    })

    const startBuzzer = () => {
      const alarmType = buzzer.getSourceType()[sceneList[this.state.currentIndex]]

      if (buzzer.isEnabled()) {
        buzzer.start(alarmType)
      }

      this.state.currentIndex = (this.state.currentIndex + 1) % sceneList.length
      sceneText.setProperty(prop.MORE, {
        text: `BUZZER: ${sceneList[this.state.currentIndex]}`,
      })
    }

    createWidget(widget.BUTTON, {
      x: px(80),
      y: px(300),
      w: px(300),
      h: px(60),
      radius: px(12),
      normal_color: 0xfc6950,
      press_color: 0xfeb4a8,
      text: 'START BUZZER',
      click_func: startBuzzer,
    })
  },
})