SecondaryWidget

Start from API_LEVEL 2.0 . Please refer to API_LEVEL.

Register SecondaryWidget, specify the lifecycle callback for the current SecondaryWidget, etc. Each SecondaryWidget file must call the SecondaryWidget() constructor only once.

Type

function SecondaryWidget(option: Option): Result

Parameters

Option

Property	Type	Required	DefaultValue	Description	API_LEVEL
state	object	N	-	A data object mounted on a SecondaryWidget instance that can be used to store the state of the current SecondaryWidget	2.0
onInit	(params?: string) => void	N	-	It is triggered once per SecondaryWidget and can be used to initialize the SecondaryWidget state	2.0
build	(params?: string) => void	N	-	Triggered after onInit execution completes, recommended for UI drawing in the build lifecycle	2.0
onResume	() => void	N	-	Triggered when the screen focus is on this SecondaryWidget	2.0
onPause	() => void	N	-	Triggered when the screen focus leaves this SecondaryWidget	2.0
onDestroy	() => void	N	-	The onDestroy lifecycle function is triggered when the SecondaryWidget is destroyed	2.0

Result

Type	Description
unknown	SecondaryWidget instance

Example

secondaryWidget.js

SecondaryWidget({
  state: {
    text: 'Hello Zepp OS',
  },
  onInit() {
    console.log('onInit')
  },
  build() {
    console.log('build')
    console.log(this.state.text)
  },
})