I'm completely new to React Native and I'm building an app for one of our clients.
I created a screen that shows a list of names that can be shown in either alphabetical or grouped by category. I used the react-native-tab-view
component to make this work. Each of the two tabs renders their own respective screen component, ScreenMapAlpha
(shows a FlatList) and ScreenMapCategory
(shows a SectionList).
For each renderItem
prop of these lists, I wanted to make each item clickable using a TouchableOpacity into like a details page, however I couldn't get the navigation.navigate() function to work as I keep getting this message:
TypeError: undefined is not an object (evaluating '_this3.props.navigation.navigate')
I've been reading up on the react-native-tab-view Github documentation but I couldn't find a way to pass the navigation object into both of the Alpha/Category screen components for it to work.
My code looks like this:
import * as React from 'react';
import { StyleSheet, Text, View, Dimensions } from 'react-native';
import ScreenMapAlpha from '../screens/map_alpha';
import ScreenMapCategory from '../screens/map_cat';
import { TabView, TabBar, SceneMap } from 'react-native-tab-view';
const initialLayout = { width: Dimensions.get('window').width };
const renderTabBar = props => (
<TabBar
{...props}
indicatorStyle={{ backgroundColor: '#fff' }}
style={{ backgroundColor: '#c00' }}
/>
);
export default function ScreenMap({ navigation }) {
const [index, setIndex] = React.useState(0);
const [routes] = React.useState([
{ key: 'first', title: 'Alphabetical' },
{ key: 'second', title: 'Category' }
]);
const renderScene = SceneMap({
first: ScreenMapAlpha,
second: ScreenMapCategory
});
return (
<TabView
navigationState={{index, routes}}
renderScene={renderScene}
onIndexChange={setIndex}
renderTabBar={renderTabBar}
initialLayout={initialLayout}
navigation={navigation}
/>
)
}
map_alpha.js
import React, { useEffect, useState } from 'react';
import { StyleSheet, View, Text, FlatList, Image, TouchableOpacity } from 'react-native';
import TenantListAlpha from '../shared/tableTenantAlpha';
export default function ScreenMapAlpha({ navigation }) {
return (
<View style={styles.container}>
<TenantListAlpha navigation={navigation} />
</View>
)
}
map_cat.js
import React from 'react';
import { StyleSheet, View, Text } from 'react-native';
import TenantListCat from '../shared/tableTenantCat';
export default function ScreenMapCategory({ navigation }) {
return (
<View style={styles.container}>
<TenantListCat navigation={navigation} />
</View>
)
}
I'm using a StackNavigator for this app:
mapstack.js
import { createStackNavigator, createTopTabNavigator } from 'react-navigation-stack';
import Map from '../screens/map.js';
import React from 'react';
import CommonHeader from '../shared/header';
import TenantDetail from '../screens/tenant_detail';
const screens = {
Map: {
screen: Map,
navigationOptions: ({ navigation }) => {
return {
headerTitle: () => <CommonHeader navigation={navigation} title="Directory" />
}
}
},
TenantDetail: {
screen: TenantDetail,
navigationOptions: ({ navigation }) => {
return {
//headerTitle: () => <CommonHeader navigation={navigation} title="News" />
headerTitle: () => <Text>Directory</Text>
}
}
}
}
const MapStack = createStackNavigator(screens);
export default MapStack;
I couldn't for the life of me figure this out - how do I pass the navigation object from the parent screen to the two screens in the tabs for navigation.navigate() to work?