React native onPress React Native不使用React导航
我正在学习react native,正在测试stack navigator,这是我的主视图,但它不会重定向到下一个视图,单击项目时放置一个console.log,它也不会显示console.log,希望您能帮助我 这些是组件 Main 主要组件,在app.js中呈现React native onPress React Native不使用React导航,react-native,React Native,我正在学习react native,正在测试stack navigator,这是我的主视图,但它不会重定向到下一个视图,单击项目时放置一个console.log,它也不会显示console.log,希望您能帮助我 这些是组件 Main 主要组件,在app.js中呈现 import React, { Component } from "react"; import Menu from "./MenuComponent"; import DishDetail
import React, { Component } from "react";
import Menu from "./MenuComponent";
import DishDetail from "./DishDetailComponent";
import { createStackNavigator } from "@react-navigation/stack";
import { NavigationContainer } from "@react-navigation/native";
const Stack = createStackNavigator();
class Main extends Component {
render() {
return (
<NavigationContainer>
<Stack.Navigator
screenOptions={{
headerStyle: {
backgroundColor: "#512DA8",
},
headerTintColor: "#fff",
headerTitleStyle: {
color: "#fff",
},
}}
initialRouteName="Menu"
>
<Stack.Screen name="Menu" component={Menu} />
<Stack.Screen name="DishDetail" component={DishDetail} />
</Stack.Navigator>
</NavigationContainer>
);
}
}
export default Main;
import React,{Component}来自“React”;
从“/MenuComponent”导入菜单;
从“/DishDetailComponent”导入DishDetail;
从“@react navigation/stack”导入{createStackNavigator};
从“@react-navigation/native”导入{NavigationContainer}”;
const Stack=createStackNavigator();
类主扩展组件{
render(){
返回(
);
}
}
导出默认主;
菜单
这是菜单组件,它在开头呈现,应该显示console.log
import React, { Component } from "react";
import { View, FlatList } from "react-native";
import { ListItem, Avatar } from "react-native-elements";
import { NavigationContainer } from "@react-navigation/native";
import { DISHES } from "../shared/dishes";
class Menu extends Component {
constructor(props) {
super(props);
this.state = {
dishes: DISHES,
};
}
render() {
const { navigate } = this.props.navigation;
const renderMenuItem = ({ item }) => {
console.log("Render Menu Item");
return (
<View>
<ListItem
key={item.id}
onPress={() => {
// navigate("Dishdetail", { dishId: item.id });
console.log("click");
}}
>
<Avatar rounded source={require(`./images/uthappizza.png`)} />
<ListItem.Content>
<ListItem.Title>{item.name}</ListItem.Title>
<ListItem.Subtitle>{item.description}</ListItem.Subtitle>
</ListItem.Content>
</ListItem>
</View>
);
};
return (
<FlatList
data={this.state.dishes}
renderItem={renderMenuItem}
keyExtractor={(item) => item.id.toString()}
/>
);
}
}
export default Menu;
import React,{Component}来自“React”;
从“react native”导入{View,FlatList};
从“react native elements”导入{ListItem,Avatar};
从“@react-navigation/native”导入{NavigationContainer}”;
从“./shared/disks”导入{disks};
类菜单扩展组件{
建造师(道具){
超级(道具);
此.state={
菜:菜,
};
}
render(){
const{navigate}=this.props.navigation;
const renderMenuItem=({item})=>{
console.log(“渲染菜单项”);
返回(
{
//导航(“Dishdetail”,{dishId:item.id});
控制台日志(“单击”);
}}
>
{item.name}
{item.description}
);
};
返回(
item.id.toString()}
/>
);
}
}
导出默认菜单;