Reputation: 11
I have my navigators arranged like this.
I have created headerRight button in StackNavigator's ScreenComponent like this.
export default HomeDashboardNavigation = ({route, navigation}) => {
return (
<DashboardStack.Navigator>
<DashboardStack.Screen name="TopTabNavigator" component={TopTabNavigator}
options={{
headerShown: true,
headerShadowVisible: false,
headerStyle:{backgroundColor:'#FEF8F0'},
headerTitle: (props) => <LogoTitle {...props} />,
headerTitleAlign: 'center',
headerRight: () => (
<TouchableOpacity onPress={() => {
// Need to pass a boolean value to HomeScreen
}}
>
<HintComponent />
</TouchableOpacity>
),
}}
/>
</DashboardStack.Navigator>
)
}
My TopTabNavigator looks like this:
const TopTabNavigator = ({route, navigation}) => {
return (
<Tab.Navigator tabBar={props => <TabBar {...props} />} >
<Tab.Screen name="HomeScreen" component={HomeScreen} />
<Tab.Screen name="Second" component={SecondScreen} />
<Tab.Screen name="Third" component={ThirdScreen} />
<Tab.Screen name="Fourth" component={FourthScreen} />
</Tab.Navigator>
)
}
My HomeScreen is:
const HomeScreen = (props) => {
const isHeaderRightClicked = false; //Need to get the value here
return (
<ScrollView>
</ScrollView>
);
}
I am using react native navigation 6. I tried using setParams and setting route.params and tried to get is in HomeScreen using useEffect on props.navigation but it never gets executed.
I don't know how to pass value from onPress event to the screen. HomeScreen is embedded in TopTabNavigator which is a Screen component of StackNavigator whose header button click sets the value.
Could you please suggest a good way to do this.
Upvotes: 1
Views: 846
Reputation: 84
Try something like my example below. Here a useState boolean hook [isClicked, setIsClicked]
is defined, where the onPress
-function changes this boolean on every press. The state isClicked in then passed through the TopTabNavigator
to the HomeScreen
where it can be used.
HomeDashboardNavigation
file:
export default HomeDashboardNavigation = ({ route, navigation }) => {
const [isClicked, setIsClicked] = useState(false);
return (
<DashboardStack.Navigator>
<DashboardStack.Screen
name="TopTabNavigator"
options={{
headerShown: true,
headerShadowVisible: false,
headerStyle: { backgroundColor: "#FEF8F0" },
headerTitle: (props) => <LogoTitle {...props} />,
headerTitleAlign: "center",
headerRight: () => (
<TouchableOpacity
onPress={() => {
setIsClicked((state) => !state);
}}
>
<HintComponent />
</TouchableOpacity>
),
}}
>
{(props) => <TopTabNavigator isClicked={isClicked} {...props} />}
</DashboardStack.Screen>
</DashboardStack.Navigator>
);
};
TopTabNavigator
file
const TopTabNavigator = ({ isClicked, route, navigation }) => {
return (
<Tab.Navigator tabBar={(props) => <TabBar {...props} />}>
<Tab.Screen name="HomeScreen">
{(props) => <HomeScreen isClicked={isClicked} {...props} />}
</Tab.Screen>
<Tab.Screen name="Second" component={SecondScreen} />
<Tab.Screen name="Third" component={ThirdScreen} />
<Tab.Screen name="Fourth" component={FourthScreen} />
</Tab.Navigator>
);
};
HomeScreen
file
export const HomeScreen = (props) => {
const isHeaderRightClicked = props.isClicked;
return <ScrollView></ScrollView>;
};
Upvotes: -1