101 строка
2.6 KiB
JavaScript
101 строка
2.6 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const React = require('react');
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const {ProgressBarAndroid: ProgressBar} = require('react-native');
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const RNTesterBlock = require('./RNTesterBlock');
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const RNTesterPage = require('./RNTesterPage');
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import type {ProgressBarAndroidProps} from '../../Libraries/Components/ProgressBarAndroid/ProgressBarAndroid';
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type MovingBarProps = $ReadOnly<{|
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...$Diff<
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ProgressBarAndroidProps,
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{
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progress: ?number,
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},
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>,
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indeterminate: false,
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|}>;
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type MovingBarState = {
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progress: number,
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};
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class MovingBar extends React.Component<MovingBarProps, MovingBarState> {
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_intervalID: ?IntervalID = null;
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state = {
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progress: 0,
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};
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componentDidMount() {
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this._intervalID = setInterval(() => {
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const progress = (this.state.progress + 0.02) % 1;
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this.setState({progress});
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}, 50);
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}
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componentWillUnmount() {
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if (this._intervalID != null) {
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clearInterval(this._intervalID);
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}
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}
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render() {
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return <ProgressBar progress={this.state.progress} {...this.props} />;
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}
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}
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class ProgressBarAndroidExample extends React.Component<{}> {
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render() {
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return (
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<RNTesterPage title="ProgressBar Examples">
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<RNTesterBlock title="Horizontal Indeterminate ProgressBar">
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{/* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was
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* found when making Flow check .android.js files. */}
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<ProgressBar styleAttr="Horizontal" />
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</RNTesterBlock>
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<RNTesterBlock title="Horizontal ProgressBar">
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<MovingBar styleAttr="Horizontal" indeterminate={false} />
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</RNTesterBlock>
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<RNTesterBlock title="Horizontal Black Indeterminate ProgressBar">
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{/* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was
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* found when making Flow check .android.js files. */}
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<ProgressBar styleAttr="Horizontal" color="black" />
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</RNTesterBlock>
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<RNTesterBlock title="Horizontal Blue ProgressBar">
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<MovingBar
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styleAttr="Horizontal"
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indeterminate={false}
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color="blue"
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/>
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</RNTesterBlock>
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</RNTesterPage>
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);
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}
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}
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exports.title = '<ProgressBarAndroid>';
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exports.description = 'Horizontal bar to show the progress of some operation.';
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exports.examples = [
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{
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title: 'Simple progress bar',
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render: function(): React.Element<typeof ProgressBarAndroidExample> {
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return <ProgressBarAndroidExample />;
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},
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},
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];
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