When screen change, like use navigation.goBack(), cant touch button in previous screen umount upper screen, it looks like delay user interaction.
I want interact directly, before unmount upper screen when disappear animation.
Anything help?
under code is some example.
Navigator
function MyStack() {
return (
<Stack.Navigator
screenOptions={{
cardStyleInterpolator: CardStyleInterpolators.forModalPresentationIOS,
}}>
<Stack.Screen name="home" component={Home} />
<Stack.Screen name="upper" component={Upper} />
</Stack.Navigator>
);
}
Upper
const Upper = () => {
const navigation = useNavigation();
const goBack = () => {
console.log('back click');
navigation.goBack();
};
useEffect(() => {
console.log('upper render');
return () => console.log('upper unmount');
}, []);
return (
<View style={styles.container}>
<Text>Upper</Text>
<Button onPress={goBack} title="goBack" />
</View>
);
};
export default Upper;
const styles = StyleSheet.create({
container: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
});
Home.tsx
const Home = () => {
const navigation = useNavigation();
const goUpper = () => {
console.log('goupper click');
navigation.navigate('upper');
};
useEffect(() => {
console.log('home render');
return () => console.log('home unmount');
}, []);
return (
<View style={styles.container}>
<Text>Home</Text>
<Button title="goUpper" onPress={goUpper} />
</View>
);
};
export default Home;
const styles = StyleSheet.create({
container: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
});
enter image description here
real my company project, it work android, i dont know why...
Related
I have a header where i want to show menu or back Icon depending on the current page. so i am rendering the Icon conditionally like bellow
import Icon from 'react-native-vector-icons/Ionicons';
const HeaderContainer = ({navigation}) => {
return (
<SafeAreaView forceInset={{top: 'never'}}>
<View
style={{
width: '100%',
flexDirection: 'row',
alignItems: 'center',
paddingLeft: 10,
paddingRight: 10,
}}>
<View>
{navigation.state.routeName !== 'Home' ? (
<Icon
name="chevron-back-sharp"
size={30}
onPress={() => {
navigation.goBack();
}}
/>
): (<Icon
name="ios-menu"
size={30}
onPress={() => {
navigation.toggleDrawer();
}}
/>)}
</View>
</SafeAreaView>
const CustomHeader = ({navigation}) => {
return {
header: (props) => <HeaderContainer {...props} />,
headerStyle: {backgroundColor: '#fff'},
headerTintColor: '#000',
};
};
const AppNavigator = createStackNavigator(
{
Home: { screen: HomeScreen },
Profile: { screen: ProfileScreen },
Cart: { screen: CartScreen },
},
{
initialRouteName: 'Home',
defaultNavigationOptions: ({navigation}) => {
return CustomHeader(navigation);
},
},
);
const AppDrawerNavigator = createDrawerNavigator(
{ App: { screen: AppNavigator } },
{contentComponent: DrawerContainer},
);
export default AppContainer = createAppContainer(AppDrawerNavigator);
But initially it is loading with only one Icon, i.e menu icon, but when i change the navigation, getting menu and back icon overlapped. please help me how can i fix this
screenshot
Firstly, I would console.log the navigation right before returning the header to see how the routeName is changing. That might be happening because the initialRouteName is 'Home'.
Edit: you could store the routeName in a variable right before return and call it isHome = navigation.state.routeName and instead of having two icons between which you choose, put just one and change its props depending on isHome.
<Icon
name= !isHome ? "chevron-back-sharp" : "ios-menu"
size={30}
onPress={() => !isHome ? navigation.goBack() : navigation.toggleDrawer()}
/>
Another solution would be to have a param on Home screen, when it mounts
componentDidMount() {
this.props.navigation.setParams({isHome: true})
}
and then, isHome = navigation.state && navigation.state.params && navigation.state.params.isHome
When app is in backgroud stack [ not killed ] then from details screen
navigation.goBack() is working but when app is kill then via deeplinking
Click on ut
navigation.goBack() is not working giving error
The action "GO_BACK" was not handled by any navigation
Please help below is the code
const HomeScreen = ({ navigation }) => (
<View
style={{
flex: 1,
alignItems: 'center',
justifyContent: 'center',
}}>
<Text>Home Screen</Text>
<TouchableOpacity
onPress={() => {
navigation.navigate('Details', { itemId: 40 });
}}>
<Text>Go to Details</Text>
</TouchableOpacity>
</View>
);
const DetailScreen = ({ route, navigation }) => {
console.log(navigation);
console.log(route);
return (
<View
style={{
flex: 1,
alignItems: 'center',
justifyContent: 'center',
}}>
<Text>Details Screen</Text>
<Text>Item Id: {route.params.itemId}</Text>
<TouchableOpacity onPress={() => navigation.goBack()}>
<Text>Go Back</Text>
</TouchableOpacity>
</View>
);
};
const Stack = createStackNavigator();
const App = () => {
const deepLinking = {
prefixes: ['https://deeplinking.com/', 'deeplinking://'],
config: {
initialRouteName: 'Home',
Home: 'Home',
Details: {
path: 'Details/:itemId',
params: {
itemId: null,
},
},
},
};
return (
<NavigationContainer linking={deepLinking}>
<Stack.Navigator initialRouteName="Home">
<Stack.Screen name="Home" component={HomeScreen} />
<Stack.Screen name="Details" component={DetailScreen} />
</Stack.Navigator>
</NavigationContainer>
);
};
export default App;
When you open the app from the deeplink, the first and only screen that is available is from the deeplink, of course the goBack isn't available.
I counter this problem with BackHandler. I mimic from Instagram, when you open a post from a link. Then when you go back, the Instagram will closed. So, I make my back button to kill the app.
useEffect(() => {
const backAction = () => {
if (index == 0) {
BackHandler.exitApp();
} else {
navigation.goBack();
}
return true;
};
const backHandler = BackHandler.addEventListener(
"hardwareBackPress",
backAction
);
return () => backHandler.remove();
});
index tells me what is the index of my current screen in the navigation:
const index = useNavigationState((state) => state.index);
Alternatively
I found this flow on most marketplace. They navigate user to the homepage first, then navigate to deeplink screen.
So, in my Homepage, I put function to check the deeplink.
const deeplinkCheck = () => {
const { params } = route;
const screen = params?.screen;
if (screen == undefined) {
return;
}
switch (screen) {
case "my-coupons":
navigation.navigate(PAGE.MY_COUPONS);
return;
default:
return;
}
};
useEffect(() => {
deeplinkCheck();
}, [route]);
I am trying deeplinking in React-Native. The code works properly when the app is in the background. But once I remove the app from background and try to launch it using the link in safari. The app is launched with details screen. But I could not find previous (Home) screens in the Navigation Stack. Please find the code below:
/* eslint-disable react-native/no-inline-styles */
import 'react-native-gesture-handler';
import React from 'react';
import {TouchableOpacity, Text, View} from 'react-native';
import {useLinking, NavigationContainer} from '#react-navigation/native';
import {createStackNavigator} from '#react-navigation/stack';
const HomeScreen = ({navigation}) => {
return (
<View
style={{
flex: 1,
alignItems: 'center',
justifyContent: 'center',
}}>
<Text>Home Screen</Text>
<TouchableOpacity
onPress={() => {
navigation.navigate('Details', {itemId: 40});
}}>
<Text>Go to Details</Text>
</TouchableOpacity>
</View>
);
};
const DetailScreen = ({route, navigation}) => {
return (
<View
style={{
flex: 1,
alignItems: 'center',
justifyContent: 'center',
}}>
<Text>Details Screen</Text>
<Text>Item Id: {route.params.itemId}</Text>
<TouchableOpacity onPress={() => navigation.goBack()}>
<Text>Go Back</Text>
</TouchableOpacity>
</View>
);
};
const Stack = createStackNavigator();
const App = () => {
const ref = React.useRef();
const {getInitialState} = useLinking(ref, {
prefixes: ['deeplink://'],
config: {
initialRouteName: 'Home',
Home: 'Home',
Details: {
path: 'Details/:itemId',
parse: {
itemId: null,
},
},
},
getPathFromState(state, config) {
console.log(state);
},
});
const [isReady, setIsReady] = React.useState(false);
const [initialState, setInitialState] = React.useState();
React.useEffect(() => {
Promise.race([
getInitialState(),
new Promise((resolve) => setTimeout(resolve, 150)),
])
.catch((e) => {
console.error(e);
})
.then((state) => {
if (state !== undefined) {
setInitialState(state);
}
setIsReady(true);
});
}, [getInitialState]);
if (!isReady) {
return null;
}
return (
<NavigationContainer
fallback={<Text>Loading...</Text>}
initialState={initialState}
ref={ref}>
<Stack.Navigator initialRouteName="Home">
<Stack.Screen name="Home" component={HomeScreen} />
<Stack.Screen name="Details" component={DetailScreen} />
</Stack.Navigator>
</NavigationContainer>
);
};
export default App;
Launched the app using "deeplink://Details/86" in Safari.
First, update to latest version of #react-navigation/native and then follow the linking docs: https://reactnavigation.org/docs/configuring-links/
Instead of useLinking, you can pass a linking prop to the NavigationContainer component. Then change your config to following:
const App = () => {
const linking = {
prefixes: ["deeplink://"],
config: {
initialRouteName: "Home",
screens: {
Home: {
path: "home",
},
Details: {
path: "details/:itemId"
}
}
}
};
return (
<NavigationContainer linking={linking} fallback={<Text>Loading...</Text>}>
<Stack.Navigator initialRouteName="Home">
<Stack.Screen name="Home" component={HomeScreen} />
<Stack.Screen name="Details" component={DetailScreen} />
</Stack.Navigator>
</NavigationContainer>
);
};
Then you can open links like deeplink://home or deeplink://details/someid.
hi i'm working on a new react-native app, but i had some issues with the navigation from a component to a screen.
this is the link for the code on snack: https://snack.expo.io/#mimonoux/my-app-navigation-test
i have already tried this
<ButtonCarte onPress={() => this.props.navigation.navigate('Carte') } />.
but it didn't work. please if anyone could help me with this please check the snack link and take a deep look at the easy code i made for my real problem
I saw your problem now. With react-navigation,
navigation props exists in a component when : either the component is configured in your route configuration object that you defined in App.js, either you use the withNavigation HOC ( https://reactnavigation.org/docs/en/with-navigation.html ).
Now in the Medicine_listDetail component this.props.navigation does not exist since Medicine_listDetail does not appear in your route and also the props object should not be read by this.props in a functional component. You can do one of this two way :
const Medicine_listDetail = ({medicine, navigation}) => {
// i'm passing navigation props comme from parent component that have
// navigation object
// ...
}
// OR you can do
const Medicine_listDetail = (props) => {
const { medicine, navigation } = props;
// i'm passing navigation props comme from parent component that have
// navigation object
// ...
}
Hence the following is an attempt at a solution that work for me.
Medicine_listDetail component : i'm passing navigation props come from
parent component that have navigation object
...
const Medicine_listDetail = ({medicine, navigation}) => {
const {title, coordinate} = medicine;
const {
headerContentStyle,
headerTextStyle,
cityTextStyle,
addTextStyle,
infoContainerStyle,
buttonsContainerStyle,
specialityTextStyle,
buttonStyle,
textStyle
} = styles
return (
<View>
<View style={headerContentStyle}>
<Text style={headerTextStyle}>{title}</Text>
</View>
<View style={buttonsContainerStyle}>
<ButtonCarte onPress={() => navigation.navigate('Carte') }>
</ButtonCarte>
</View>
</View>
);
};
...
ButtonCarte component
const ButtonCarte = ({onPress, children}) => {
const {buttonStyle, textStyle} = styles;
return (
<TouchableOpacity onPress={() => onPress()} style={buttonStyle}>
<Ionicons name={'ios-pin'} size={20} color="white" />
<Text style={textStyle}>
Voir La Carte
</Text>
</TouchableOpacity>
);
};
Medicin component : in all_medicine() function, i'm passing navigation object in props of Medicine_listDetail component. So this is the trick.
export default class Medicin extends React.Component {
constructor(props) {
super(props);
this.state = {
list_allMedicine: data_allMedicine,
selectedIndex: 0,
};
this.updateIndex = this.updateIndex.bind(this);
}
updateIndex(selectedIndex) {
this.setState({ selectedIndex });
}
all_medicine() {
const { navigation } = this.props;
return this.state.list_allMedicine.map(medicine => (
<Medicine_listDetail key={medicine.title} medicine={medicine} navigation={navigation} />
));
}
render() {
const buttons = ['Tout', '...', '...', '...'];
const { selectedIndex } = this.state;
return (
<View style={{ flex: 1}}>
<View
style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
<ButtonGroup
onPress={this.updateIndex}
selectedIndex={selectedIndex}
buttons={buttons}
containerStyle={{ borderRadius:8 }}
/>
</View>
<Divider
style={{
backgroundColor: 'lightgrey',
marginHorizontal: 5,
height: 2,
}}
/>
<View style={{ flex: 5 }}>
{this.state.selectedIndex == 0 ? (
<ScrollView>{this.all_medicine()}</ScrollView>
) : (
<Text>test</Text>
)}
</View>
</View>
);
}
}
At least in App.js, i change the name of carte tab from Cart to Carte because of your RootStack stack.
export default createAppContainer(
createBottomTabNavigator(
{
Home: {
screen: Home,
navigationOptions: {
tabBarLabel: 'Home',
tabBarIcon: ({ tintColor }) => (
<Ionicons name={'ios-home'} size={25} color={tintColor} />
),
},
},
Medicin: {
screen: Medicin,
navigationOptions: {
tabBarLabel: 'Medicin',
tabBarIcon: ({ tintColor }) => (
<Image
source={require('./assets/images/Dashboard/drawable-xhdpi/doctor_heart.png')}
style={{ width: 25, height: 20, tintColor: tintColor }}
/>
),
},
},
Carte: {
screen: Carte,
navigationOptions: {
tabBarLabel: 'Carte',
tabBarIcon: ({ tintColor }) => (
<Ionicons name={'ios-map'} size={25} color={tintColor} />
),
},
},
},
{
tabBarOptions: {
activeTintColor: 'black',
inactiveTintColor: 'gray',
},
}
)
);
I test this and it work for me.
try adding this:
import { NavigationEvents, NavigationActions } from 'react-navigation';
Here is a screenshot of what's available in props in reference to the comments below:
Here is a screenshot of what I mentioned in the comments. You can see where I added a console.log. It shows in the console that although navigation is in this.props, actions within navigation is empty. I think that is the source of the problem. If you put more console.logs like the one I've done you will see where in the project it loses that information.
I am using react-navigation in RN v 0.46.1 project
I have used customTabs from example directory of react-navigation.
I want to change the color of the tab when active .
I've tried to pass ans use navigationOptions but no success.
Also , Tabs are displayed at top , I want them at bottom.
import React, { Component } from "react";
import { AppRegistry, Button,
Platform,
ScrollView,
StyleSheet,
Text,
TouchableOpacity,
View } from "react-native";
import { createNavigator,
createNavigationContainer,
TabRouter,
addNavigationHelpers } from 'react-navigation'
import Chats from './Chats'
import Contacts from './Contacts'
const MyNavScreen = ({ navigation, banner }) => (
<ScrollView>
<Text>banner</Text>
<Button
onPress={() => {
navigation.goBack(null);
}}
title="Go back"
/>
</ScrollView>
);
const MySettingsScreen = ({ navigation }) => (
<MyNavScreen banner="Settings Screen" navigation={navigation} />
);
const CustomTabBar = ({ navigation }) => {
const { routes } = navigation.state;
return (
<View style={styles.tabContainer}>
{routes.map(route => (
<TouchableOpacity
onPress={() => navigation.navigate(route.routeName)}
style={styles.tab}
key={route.routeName}
>
<Text>{route.routeName}</Text>
</TouchableOpacity>
))}
</View>
);
};
const CustomTabView = ({ router, navigation }) => {
const { routes, index } = navigation.state;
const ActiveScreen = router.getComponentForState(navigation.state);
const routeNav = addNavigationHelpers({
...navigation,
state: routes[index],
});
const routeOptions = router.getScreenOptions(routeNav, 'tabBar');
console.log(routeOptions.headerTintColor);
return (
<View style={styles.container}>
<CustomTabBar navigation={navigation} />
<ActiveScreen
navigation={addNavigationHelpers({
...navigation,
state: routes[index],
})}
/>
</View>
);
};
const CustomTabRouter = TabRouter(
{
Friends: {
screen: Chats,
path: '',
},
Status: {
screen: Contacts,
path: 'notifications',
},
Other: {
screen: MySettingsScreen,
path: 'settings',
},
},
{
initialRouteName: 'Friends',
},
);
const CustomTabs = createNavigationContainer(
createNavigator(CustomTabRouter)(CustomTabView)
);
const styles = StyleSheet.create({
container: {
marginTop: Platform.OS === 'ios' ? 20 : 0,
},
tabContainer: {
flexDirection: 'row',
height: 48,
},
tab: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
margin: 4,
borderWidth: 1,
borderColor: '#ddd',
borderRadius: 4,
backgroundColor:'white'
},
});
export default CustomTabs;
AppRegistry.registerComponent('awsm', () => CustomTabs);
Compare the active tab's routeName in map and add style like
style={[(this.props.activeRouteName == route.routeName) ? styles.activeTab : styles.tab]}
For styling tabs at bottom you can use ScrollView in parent view and then your tabs so, it will be something like this
<View style={flex:1}>
<ScrollView>
// your page content
</ScrollView>
<Tabs/>
</View>
By using scrollview you will be able to force the tabs at bottom.
Can't you achieve what you want with the default TabNavigator ?
In the docs you can pass a TabBarComponent to the TabNavigator and set tabBarPosition - position of the tab bar, can be 'top' or 'bottom' to bottom so your tabBar will be at the bottom.
If you still want to do all that yourself, I guess :
To align the TabBar on the bottom, you could put { position: 'absolute', bottom: 0 } on the TabBar style
To change the color of your focused Tab, you could do:
const CustomTabBar = ({ navigation }) => {
const { routes, index } = navigation.state;
const isFocused = routes[index].routeName == route.routeName; // Not totally sure about the condition there, but you get the idea?
return (
<View style={styles.tabContainer}>
{routes.map(route => (
<TouchableOpacity
onPress={() => navigation.navigate(route.routeName)}
style={[styles.tab, isFocused ? styles.focusedTab : null]}
key={route.routeName}
>
<Text>{route.routeName}</Text>
</TouchableOpacity>
))}
</View>
);
};
?