/** * Copyright (c) 2015-present, Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD-style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. * * @flow * @providesModule ActivityIndicatorExample */ 'use strict'; import React, { Component } from 'react'; import { ActivityIndicator, StyleSheet, View } from 'react-native'; /** * Optional Flowtype state and timer types definition */ type State = { animating: boolean; }; type Timer = number; class ToggleAnimatingActivityIndicator extends Component<$FlowFixMeProps, State> { _timer: Timer; constructor(props) { super(props); this.state = { animating: true, }; } componentDidMount() { this.setToggleTimeout(); } componentWillUnmount() { /* $FlowFixMe(>=0.63.0 site=react_native_fb) This comment suppresses an * error found when Flow v0.63 was deployed. To see the error delete this * comment and run Flow. */ clearTimeout(this._timer); } setToggleTimeout() { /* $FlowFixMe(>=0.63.0 site=react_native_fb) This comment suppresses an * error found when Flow v0.63 was deployed. To see the error delete this * comment and run Flow. */ this._timer = setTimeout(() => { this.setState({animating: !this.state.animating}); this.setToggleTimeout(); }, 2000); } render() { return ( ); } } exports.displayName = (undefined: ?string); exports.framework = 'React'; exports.title = ''; exports.description = 'Animated loading indicators.'; exports.examples = [ { title: 'Default (small, white)', render() { return ( ); } }, { title: 'Gray', render() { return ( ); } }, { title: 'Custom colors', render() { return ( ); } }, { title: 'Large', render() { return ( ); } }, { title: 'Large, custom colors', render() { return ( ); } }, { title: 'Start/stop', render() { return ; } }, { title: 'Custom size', render() { return ( ); } }, { platform: 'android', title: 'Custom size (size: 75)', render() { return ( ); } }, ]; const styles = StyleSheet.create({ centering: { alignItems: 'center', justifyContent: 'center', padding: 8, }, gray: { backgroundColor: '#cccccc', }, horizontal: { flexDirection: 'row', justifyContent: 'space-around', padding: 8, }, });