'use strict';
-
-var React = require('react-native');
-var {
- Text,
- View,
- BackAndroid,
-} = React;
-
-var BackAndroidExample = React.createClass({
-
- getInitialState: function() {
- return {
- defaultBackHandler: false
- };
- },
-
- componentDidMount: function() {
- BackAndroid.addEventListener('hardwareBackPress', this._handleBackButton);
- },
-
- componentWillUnmount: function() {
- BackAndroid.removeEventListener('hardwareBackPress', this._handleBackButton);
- },
-
- _handleBackButton: function() {
- if (!this.state.defaultBackHandler) {
- this.setState({defaultBackHandler: true});
- return true;
- }
-
- return false;
- },
-
- render: function() {
- return (
- <View>
- <Text>{this.state.defaultBackHandler ? 'Ok, I\'ll quit.' : 'I won\'t quit.'}</Text>
- </View>
- );
- },
-});
-
-exports.title = 'BackAndroid';
-exports.description = 'Custom back button handler';
-exports.examples = [
- {
- title: 'Custom back button handler',
- render(): ReactElement { return <BackAndroidExample />; }
- }
-];