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/** | ||
* | ||
* IMPORTANT! READ BEFORE TESTING! | ||
* Remember to switch windowSoftInputMode to `adjustPan` in AndroidManifest.xml file. | ||
* | ||
*/ | ||
|
||
import React, { useLayoutEffect } from 'react'; | ||
import { NavigationContainer } from '@react-navigation/native'; | ||
import { createNativeStackNavigator } from '@react-navigation/native-stack'; | ||
import { useNavigation } from '@react-navigation/native'; | ||
import { Button, Text, TextInput, View } from 'react-native'; | ||
import { NativeStackNavigationProp } from '@react-navigation/native-stack'; | ||
import { HeaderButton } from '@react-navigation/elements'; | ||
type RootStackNavigatorParamsList = { | ||
Home: undefined; | ||
Details: undefined; | ||
}; | ||
const Stack = createNativeStackNavigator(); | ||
const HomeScreen = () => { | ||
const navigation = | ||
useNavigation<NativeStackNavigationProp<RootStackNavigatorParamsList>>(); | ||
const onHandlePress = () => { | ||
navigation.navigate('Details'); | ||
}; | ||
return ( | ||
<View> | ||
<Text>HomeScreen</Text> | ||
<View> | ||
<Button title="Go to Details" onPress={onHandlePress} /> | ||
</View> | ||
</View> | ||
); | ||
}; | ||
const DetailsScreen = () => { | ||
const [text, setText] = React.useState(''); | ||
const navigation = | ||
useNavigation<NativeStackNavigationProp<RootStackNavigatorParamsList>>(); | ||
useLayoutEffect(() => { | ||
navigation.setOptions({ | ||
headerTitle: 'Detail Screen', | ||
headerRight: () => { | ||
if (text.length === 0) { | ||
return null; | ||
} | ||
return ( | ||
<HeaderButton> | ||
<Text>X</Text> | ||
</HeaderButton> | ||
); | ||
}, | ||
}); | ||
}, [navigation, text]); | ||
const onHandlePress = () => { | ||
navigation.goBack(); | ||
}; | ||
|
||
return ( | ||
<View> | ||
<Text>RegisterScreen</Text> | ||
<View> | ||
<TextInput | ||
style={{ backgroundColor: 'grey', height: 40, borderColor: 'black' }} | ||
placeholder="Enter text" | ||
value={text} | ||
onChangeText={text => { | ||
setText(text); | ||
}} | ||
/> | ||
<Button title="Go to Home" onPress={onHandlePress} /> | ||
<Button title="Go to Details" onPress={onHandlePress} /> | ||
</View> | ||
</View> | ||
); | ||
}; | ||
function App() { | ||
return ( | ||
<NavigationContainer> | ||
<Stack.Navigator> | ||
<Stack.Screen name="Home" component={HomeScreen} /> | ||
<Stack.Screen name="Details" component={DetailsScreen} /> | ||
</Stack.Navigator> | ||
</NavigationContainer> | ||
); | ||
} | ||
export default App; |
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