我正在创建一个反应原生的应用程序,我希望在我的启动页面之后有一个具有副驾驶活动的页面,在此页面中,副驾驶活动默认启动,并在完成此活动后点击名为“转到”的按钮主页!“ ,我可以导航到我的应用程序的主页面。但我无法导航到我的主页面。它显示了一些副驾驶错误。请帮忙..
screenshot of the error I got while navigating
这是它的代码 -
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { StyleSheet, Dimensions, Text, Image, View, TouchableOpacity } from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { copilot, walkthroughable, CopilotStep } from '@okgrow/react-native-copilot';
const WalkthroughableText = walkthroughable(Text);
const WalkthroughableImage = walkthroughable(Image);
const width = Dimensions.get('window').width;
const height = Dimensions.get('window').height;
const styles = StyleSheet.create({
middleView: {
flex: 1,
marginTop:10,
alignItems: 'center',
},
button: {
backgroundColor: '#681742',
paddingVertical: 10,
paddingHorizontal: 15,
marginBottom:30,
},
buttonText: {
color: 'white',
fontSize: 16,
},
});
var navigate;
class GuideScreen extends Component {
constructor(props,context) {
super(props);
navigate= this.props.navigation;
}
static propTypes = {
start: PropTypes.func.isRequired,
copilotEvents: PropTypes.shape({
on: PropTypes.func.isRequired,
}).isRequired,
};
componentDidMount() {
this.props.copilotEvents.on('stepChange', this.handleStepChange);
this.props.start();
}
handleStepChange = (step) => {
console.log(`Current step is: ${step.name}`);
}
render() {
return (
<View style={{flex:1}}>
<View style={{backgroundColor:'#681742',padding:5,flexDirection:'row', width:width,height:40}}>
<View style={{width:width, alignItems:'center', justifyContent:'center'}}>
<CopilotStep text="Here is an item in the corner of the screen." order={1} name="firstText">
<WalkthroughableText style={{fontSize:20,color:'#ffffff'}}>
Feedaro
</WalkthroughableText>
</CopilotStep>
</View>
</View>
<View style={styles.middleView}>
<TouchableOpacity style={styles.button} onPress={() => this.props.start()}>
<Text style={styles.buttonText}>START THE TUTORIAL! </Text>
</TouchableOpacity>
</View>
<View styles={{flexDirection:'row',flex:1,justifyContent: 'space-between',}}>
<View styles={{width:100,marginLeft:10}}>
<CopilotStep text="Here is an item in the corner of the screen." order={2} name="thirdText">
<WalkthroughableText >
<Ionicons name="ios-contact" size={40} color="#888" />
</WalkthroughableText>
</CopilotStep>
</View>
<CopilotStep text="Here is an item in the corner of the screen." order={3} name="fourthText">
<WalkthroughableText>
<Ionicons name="ios-game-controller-b" size={40} color="#888" />
</WalkthroughableText>
</CopilotStep>
</View>
<View style={styles.middleView}>
<TouchableOpacity style={styles.button} onPress={() => this.props.navigation.navigate('Tabs')}>
<Text style={styles.buttonText}>GO TO THE MAIN PAGE!</Text>
</TouchableOpacity>
</View>
</View>
);
}
}
export default copilot({
animated: true, // Can be true or false
overlay: 'svg', // Can be either view or svg
})(GuideScreen);