【发布时间】:2021-01-18 21:40:32
【问题描述】:
我添加了几个标题右键,但是当我单击它们时,我收到以下错误:
TypeError: undefined is not an object (evaluating '_this.props.navigation.navigate')
这是标题的代码,它有标题右键:
<Stack.Screen
name="Tabs"
component={Tabs}
options = {{
title: " ",
headerTitleStyle: {
fontWeight: 'bold',
fontSize: 24,
color: '#FFFFFF'
},
headerStyle: {
backgroundColor: '#121212',
shadowColor: 'transparent'
},
headerRight: () => (
<View style={{flexDirection: "row"}}>
<TouchableOpacity
style={{paddingRight: 20}}
onPress={() => this.props.navigation.navigate('Search')}>
<Ionicons name="ios-search" size={25} color="white" />
</TouchableOpacity>
<TouchableOpacity
style={{paddingRight: 20}}
onPress={() => this.props.navigation.navigate('Notifications')}>
<Ionicons name="md-notifications" size={25} color="white" />
</TouchableOpacity>
</View>
),
}}/>
如何访问标题中的导航?
编辑:遵循文档并将其更改为:
<Stack.Screen
name="Tabs"
component={Tabs}
options = {( navigation ) => ({
title: " ",
headerTitleStyle: {
fontWeight: 'bold',
fontSize: 24,
color: '#FFFFFF'
},
headerStyle: {
backgroundColor: '#121212',
shadowColor: 'transparent'
},
headerRight: () => (
<View style={{flexDirection: "row"}}>
<TouchableOpacity
style={{paddingRight: 20}}
onPress={() => navigation.navigate('Search')}>
<Ionicons name="ios-search" size={25} color="white" />
</TouchableOpacity>
<TouchableOpacity
style={{paddingRight: 20}}
onPress={() => navigation.navigate('Notifications')}>
<Ionicons name="md-notifications" size={25} color="white" />
</TouchableOpacity>
</View>
),
})}/>
但是现在出现这个错误:
TypeError:navigation.navigate 不是函数。 (在'navigation.navigate('Search')'中,'navigation.navigate'是未定义的)
如何访问标题中的导航?
【问题讨论】:
标签: javascript react-native react-native-navigation