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

69 lines
1.4 KiB
JavaScript

/**
* 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';
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;