vn-verdnaturachat/app/utils/navigation.js

51 lines
1.3 KiB
JavaScript

import { StyleSheet } from 'react-native';
import { analytics, leaveBreadcrumb } from './log';
import { themes } from '../constants/colors';
export const defaultHeader = {
headerBackTitle: null
};
export const cardStyle = {
backgroundColor: 'rgba(0,0,0,0)'
};
const borderBottom = theme => ({
borderBottomWidth: StyleSheet.hairlineWidth,
borderBottomColor: themes[theme].headerBorder,
elevation: 0
});
export const themedHeader = theme => ({
headerStyle: {
...borderBottom(theme),
backgroundColor: themes[theme].headerBackground
},
headerTintColor: themes[theme].headerTintColor,
headerTitleStyle: { color: themes[theme].headerTitleColor }
});
// gets the current screen from navigation state
export const getActiveRouteName = (navigationState) => {
if (!navigationState) {
return null;
}
const route = navigationState.routes[navigationState.index];
// dive into nested navigators
if (route.routes) {
return getActiveRouteName(route);
}
return route.routeName;
};
export const onNavigationStateChange = (prevState, currentState) => {
const currentScreen = getActiveRouteName(currentState);
const prevScreen = getActiveRouteName(prevState);
if (prevScreen !== currentScreen) {
analytics().setCurrentScreen(currentScreen);
leaveBreadcrumb(currentScreen, { type: 'navigation' });
}
};