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login.js
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login.js
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import React from 'react';
import { View,Text,TextInput, StyleSheet,Button, AsyncStorage } from 'react-native';
export default class Login extends React.Component {
state={
user:{
username:'',
password:''
}
}
click =()=>{
AsyncStorage.setItem('username', this.state.user.username);
}
render (){
return(
<View>
<Text style={styles.head}>Login</Text>
<Text>User name</Text>
<TextInput style={styles.textin} onChangeText={(text) => {this.setState({user:{username:text}})}} />
<Text>Password</Text>
<TextInput style={styles.textin} onChangeText={(text) => {this.setState({user:{password:text}})}} />
<Button title='login' onPress={this.click} />
<Button title='go to' onPress={()=>{this.props.navigation.navigate('Home')}} />
</View>
)
}
}
const styles = StyleSheet.create({
head:{
fontSize:20,
color:'black'
},
textin:{
width:300,
borderBottomColor:'green',
borderBottomWidth:3,
backgroundColor:'#eee',
marginBottom:10,
marginTop:10
}
});