react-native/RNTester/js/ShareExample.js

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */
'use strict';

var React = require('react');
var ReactNative = require('react-native');
var {
  StyleSheet,
  View,
  Text,
  TouchableHighlight,
  Share,
} = ReactNative;

exports.framework = 'React';
exports.title = 'Share';
exports.description = 'Share data with other Apps.';
exports.examples = [{
  title: 'Share Text Content',
  render() {
    return <ShareMessageExample />;
  }
}];

class ShareMessageExample extends React.Component<$FlowFixMeProps, any> {
  _shareMessage: Function;
  _shareText: Function;
  _showResult: Function;

  constructor(props) {
    super(props);

    this._shareMessage = this._shareMessage.bind(this);
    this._shareText = this._shareText.bind(this);
    this._showResult = this._showResult.bind(this);

    this.state = {
      result: ''
    };
  }

  render() {
    return (
      <View>
        <TouchableHighlight style={styles.wrapper}
          onPress={this._shareMessage}>
          <View style={styles.button}>
            <Text>Click to share message</Text>
          </View>
        </TouchableHighlight>
        <TouchableHighlight style={styles.wrapper}
          onPress={this._shareText}>
          <View style={styles.button}>
            <Text>Click to share message, URL and title</Text>
          </View>
        </TouchableHighlight>
        <Text>{this.state.result}</Text>
      </View>
    );
  }

  _shareMessage() {
    Share.share({
      message: 'React Native | A framework for building native apps using React'
    })
    .then(this._showResult)
    .catch((error) => this.setState({result: 'error: ' + error.message}));
  }

  _shareText() {
    Share.share({
      message: 'A framework for building native apps using React',
      url: 'http://facebook.github.io/react-native/',
      title: 'React Native'
    }, {
      subject: 'A subject to go in the email heading',
      dialogTitle: 'Share React Native website',
      excludedActivityTypes: [
        'com.apple.UIKit.activity.PostToTwitter'
      ],
      tintColor: 'green'
    })
    .then(this._showResult)
    .catch((error) => this.setState({result: 'error: ' + error.message}));
  }

  _showResult(result) {
    if (result.action === Share.sharedAction) {
      if (result.activityType) {
        this.setState({result: 'shared with an activityType: ' + result.activityType});
      } else {
        this.setState({result: 'shared'});
      }
    } else if (result.action === Share.dismissedAction) {
      this.setState({result: 'dismissed'});
    }
  }
}


var styles = StyleSheet.create({
  wrapper: {
    borderRadius: 5,
    marginBottom: 5,
  },
  button: {
    backgroundColor: '#eeeeee',
    padding: 10,
  },
});