ActivityIndicator

优质

小牛编辑

133浏览

2023-12-01

Extends Widget

A widget representing a spinning indicator for indeterminate loading / processing time.

Import this type with “const {ActivityIndicator} = require('tabris');”

Android	iOS

Properties

tintColor

iOSAndroid

Type: Color

The color of the indicator.

Events

tintColorChanged

Fired when the tintColor property has changed.

Event Parameters

target: this The widget the event was fired on.
value: Color The new value of tintColor.

Example

const {ActivityIndicator, Button, ui} = require('tabris');

// Create the activity indicator centered in the page
let activityIndicator = new ActivityIndicator({
  centerX: 0,
  centerY: 0
}).appendTo(ui.contentView);

// Create reload button
let reloadButton = new Button({
  centerX: 0, centerY: 0,
  text: 'Run Task'
}).on('select', () => executeLongRunningTask())
  .appendTo(ui.contentView);

function executeLongRunningTask() {
  // Toggle visibility of elements
  activityIndicator.visible = true;
  reloadButton.visible = false;

  setTimeout(() => {
    // Async action is done
    activityIndicator.visible = false;
    reloadButton.visible = true;
  }, 2500);
}

executeLongRunningTask();