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UI
ActivityIndicator
<ActivityIndicator>
is a UI component that shows a progress indicator signaling to the user of an operation running in the background.
xml
<ActivityIndicator
busy="{{ isBusy }}"
busyChange="{{ onBusyChanged }}"
/>
ts
import { ActivityIndicator } from '@nativescript/core'
onBusyChanged(args: EventData) {
const indicator: ActivityIndicator = args.object
console.log(`indicator.busy changed to: ${indicator.busy}`)
}
Props
busy
xml
<ActivityIndicator busy="{{ isBusy }}"
/>
ts
export class HelloWorldModel extends Observable {
isBusy = true
}
Gets or sets whether the indicator is active.
Inherited
For additional inherited properties,refer to the API Reference.
Events
busyChange
xml
<ActivityIndicator
busyChange="{{ onBusyChanged }}"
/>
ts
export class HelloWorldModel extends Observable {
onBusyChanged(args: EventData) {
const indicator: ActivityIndicator = args.object as ActivityIndicator
console.log(`indicator.busy changed to: ${indicator.busy}`)
}
}
Emitted when the busy property is changed. Event data type: EventData.
Native component
Android | iOS |
---|---|
android.widget.ProgressBar (indeterminate = true) | UIActivityIndicatorView |