react-native/RNTester/js/RootViewSizeFlexibilityExam...

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.
*
* @format
* @flow
*/
'use strict';
const React = require('react');
const ReactNative = require('react-native');
const {StyleSheet, Text, TouchableHighlight, View} = ReactNative;
class RootViewSizeFlexibilityExampleApp extends React.Component<
{toggled: boolean},
any,
> {
constructor(props: {toggled: boolean}) {
super(props);
this.state = {toggled: false};
}
_onPressButton() {
this.setState({toggled: !this.state.toggled});
}
render() {
const viewStyle = this.state.toggled
? styles.bigContainer
: styles.smallContainer;
return (
<TouchableHighlight onPress={this._onPressButton.bind(this)}>
<View style={viewStyle}>
<View style={styles.center}>
<Text style={styles.whiteText}>React Native Button</Text>
</View>
</View>
</TouchableHighlight>
);
}
}
const styles = StyleSheet.create({
bigContainer: {
flex: 1,
height: 60,
backgroundColor: 'gray',
},
smallContainer: {
flex: 1,
height: 40,
backgroundColor: 'gray',
},
center: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
whiteText: {
color: 'white',
},
});
module.exports = RootViewSizeFlexibilityExampleApp;