65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @flow
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* @providesModule SnapshotExample
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* @format
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*/
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'use strict';
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const React = require('react');
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const ReactNative = require('react-native');
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const {Alert, Image, StyleSheet, Text, View} = ReactNative;
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class ScreenshotExample extends React.Component<{}, $FlowFixMeState> {
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state = {
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uri: undefined,
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};
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render() {
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return (
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<View>
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<Text onPress={this.takeScreenshot} style={style.button}>
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Click to take a screenshot
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</Text>
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<Image style={style.image} source={{uri: this.state.uri}} />
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</View>
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);
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}
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takeScreenshot = () => {
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ReactNative.takeSnapshot('window', {format: 'jpeg', quality: 0.8}) // See UIManager.js for options
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.then(uri => this.setState({uri}))
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.catch(error => Alert.alert(error));
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};
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}
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const style = StyleSheet.create({
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button: {
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marginBottom: 10,
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fontWeight: '500',
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},
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image: {
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flex: 1,
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height: 300,
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resizeMode: 'contain',
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backgroundColor: 'black',
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},
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});
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exports.title = 'Snapshot / Screenshot';
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exports.description = 'API to capture images from the screen.';
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exports.examples = [
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{
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title: 'Take screenshot',
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render(): React.Element<any> {
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return <ScreenshotExample />;
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},
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},
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];
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