Files
react-native/RNTester/js/examples/Snapshot/SnapshotExample.js
T
AndreiCalazans 3945f10561 - Update folder structure of RNTester's JS directory. (#25013)
Summary:
Changes RNTester, first attempt in the direction of improving the RNTester overall. Related ticket: #24647

Changed the `js` directory of the RNTester to have the following structure:
```
- js
    - assets
    - components
    - examples
    - types
    - utils
```
* **assets**
_Any images, gifs, and media content_

* **components**
_All shared components_

* **examples**
_Example View/Components to be rendered by the App_

 * **types**
_Shared flow types_

 * **utils**
_Shared utilities_

## Changelog

[General] [Changed] - Update folder structure of RNTester's JS directory.
Pull Request resolved: https://github.com/facebook/react-native/pull/25013

Differential Revision: D15515773

Pulled By: cpojer

fbshipit-source-id: 0e4b6386127f338dca0ffe8c237073be53a9e221
2019-05-28 08:39:18 -07:00

69 lines
1.4 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.
*
* @flow
* @format
*/
'use strict';
const React = require('react');
const {
Alert,
Image,
NativeModules,
StyleSheet,
Text,
View,
} = require('react-native');
const ScreenshotManager = NativeModules.ScreenshotManager;
class ScreenshotExample extends React.Component<{}, $FlowFixMeState> {
state = {
uri: undefined,
};
render() {
return (
<View>
<Text onPress={this.takeScreenshot} style={style.button}>
Click to take a screenshot
</Text>
<Image style={style.image} source={{uri: this.state.uri}} />
</View>
);
}
takeScreenshot = () => {
ScreenshotManager.takeScreenshot('window', {format: 'jpeg', quality: 0.8}) // See UIManager.js for options
.then(uri => this.setState({uri}))
.catch(error => Alert.alert(error));
};
}
const style = StyleSheet.create({
button: {
marginBottom: 10,
fontWeight: '500',
},
image: {
flex: 1,
height: 300,
resizeMode: 'contain',
backgroundColor: 'black',
},
});
exports.title = 'Snapshot / Screenshot';
exports.description = 'API to capture images from the screen.';
exports.examples = [
{
title: 'Take screenshot',
render(): React.Element<any> {
return <ScreenshotExample />;
},
},
];