Created
May 19, 2019 18:55
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Login form in React native
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| import React from 'react'; | |
| import { View, StyleSheet, Text, TouchableOpacity, TextInput, Alert } from "react-native"; | |
| const initialState = { username: '', password: '' }; | |
| class LoginForm extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = initialState; | |
| this.handleSubmitForm = this.handleSubmitForm.bind(this); | |
| this.handleUsernameChange = this.handleUsernameChange.bind(this); | |
| this.handlePasswordChange = this.handlePasswordChange.bind(this); | |
| } | |
| handleUsernameChange(text) { | |
| this.setState({ username: text }); | |
| } | |
| handlePasswordChange(text) { | |
| this.setState({ password: text }); | |
| } | |
| handleSubmitForm() { | |
| const { username, password } = this.state; | |
| Alert.alert(`User ${username} is log in with password ${password}`); | |
| } | |
| render() { | |
| return ( | |
| <View style={styles.container}> | |
| <View> | |
| <Text style={styles.text}>Username</Text> | |
| <TextInput autoCorrect={false} autoCapitalize={'none'} style={styles.input} onChangeText={this.handleUsernameChange}></TextInput> | |
| </View> | |
| <View> | |
| <Text style={styles.text}>Password</Text> | |
| <TextInput autoCorrect={false} autoCapitalize={'none'} style={styles.input} secureTextEntry onChangeText={this.handlePasswordChange}></TextInput> | |
| </View> | |
| <TouchableOpacity style={styles.button} onPress={this.handleSubmitForm}> | |
| <Text style={[styles.text, styles.center]}>Login</Text> | |
| </TouchableOpacity> | |
| </View> | |
| ); | |
| } | |
| } | |
| const styles = StyleSheet.create({ | |
| container: { | |
| alignSelf: 'stretch', | |
| margin: 10, | |
| padding: 10, | |
| borderColor: '#ccc', | |
| borderWidth: 1, | |
| borderRadius: 5, | |
| backgroundColor: '#fff' | |
| }, | |
| text: { | |
| fontSize: 14, | |
| fontWeight: 'bold', | |
| color: '#015169', | |
| paddingVertical: 5 | |
| }, | |
| input: { | |
| height: 40, | |
| borderColor: "#e0e0e0", | |
| borderWidth: 1, | |
| borderRadius: 5, | |
| marginBottom: 15, | |
| paddingHorizontal: 10 | |
| }, | |
| button: { | |
| padding: 10, | |
| borderColor: '#bee6fe', | |
| borderWidth: 1, | |
| borderRadius: 5, | |
| backgroundColor: '#eaf7fd' | |
| }, | |
| center: { | |
| alignSelf: 'center' | |
| } | |
| }); | |
| export default LoginForm; |
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