80 lines
2.1 KiB
JavaScript
80 lines
2.1 KiB
JavaScript
/**
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* Copyright (c) 2013-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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* The examples provided by Facebook are for non-commercial testing and
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* evaluation purposes only.
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*
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* Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @flow
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*/
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'use strict';
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var React = require('react');
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var ReactNative = require('react-native');
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var {
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Image,
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StyleSheet,
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Text,
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UIManager,
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View,
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} = ReactNative;
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class ScreenshotExample extends React.Component {
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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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UIManager
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.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(error));
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};
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}
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var 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<*> { return <ScreenshotExample />; }
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},
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];
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