react-native/RNTester/js/RCTRootViewIOSExample.js

/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @flow
 * @providesModule RCTRootViewIOSExample
 */

'use strict';

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

const requireNativeComponent = require('requireNativeComponent');

class AppPropertiesUpdateExample extends React.Component<{}> {
  render() {
    // Do not require this unless we are actually rendering.
    const UpdatePropertiesExampleView = requireNativeComponent('UpdatePropertiesExampleView');
    return (
      <View style={styles.container}>
        <Text style={styles.text}>
          Press the button to update the field below by passing new properties to the RN app.
        </Text>
        <UpdatePropertiesExampleView style={styles.nativeView}>
          <Text style={styles.text}>
            Error: This demo is accessible only from RNTester app
          </Text>
        </UpdatePropertiesExampleView>
      </View>
    );
  }
}

class RootViewSizeFlexibilityExample extends React.Component<{}> {
  render() {
    // Do not require this unless we are actually rendering.
    const FlexibleSizeExampleView = requireNativeComponent('FlexibleSizeExampleView');
    return (
      <View style={styles.container}>
        <Text style={styles.text}>
          Press the button to resize it. On resize, RCTRootViewDelegate is notified. You can use it to handle content size updates.
        </Text>
        <FlexibleSizeExampleView style={styles.nativeView}>
          <Text style={styles.text}>
            Error: This demo is accessible only from RNTester app
          </Text>
        </FlexibleSizeExampleView>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#F5FCFF',
  },
  text: {
    marginBottom: 20
  },
  nativeView: {
    height: 140,
    width: 280
  }
});

exports.title = 'RCTRootView';
exports.description = 'Examples that show useful methods when embedding React Native in a native application';
exports.examples = [
{
  title: 'Updating app properties in runtime',
  render(): React.Element<any> {
    return (
      <AppPropertiesUpdateExample/>
    );
  },
},
{
  title: 'RCTRootView\'s size flexibility',
  render(): React.Element<any> {
    return (
      <RootViewSizeFlexibilityExample/>
    );
  },
}];