import React from 'react-native';
var {
StyleSheet,
TouchableHighlight,
View,
Text
} = React;
var styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: 'center',
},
toolbarButton: {
paddingHorizontal: 10,
},
});
export default class NavigationButton extends React.Component {
_goBack() {
this.props.nav.pop();
}
render() {
if (this.props.nav.getCurrentRoutes().length <= 1) {
return ;
}
return (
B
);
}
}