react-native/RNTester/js/ProgressBarAndroidExample.a...

101 lines
2.6 KiB
JavaScript

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