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/**
* Sample React Native App
* https://github.com/facebook/react-native
*
* Generated with the TypeScript template
* https://github.com/react-native-community/react-native-template-typescript
*
* @format
*/
import React, { useRef } from 'react';
import {
SafeAreaView,
StyleSheet,
ScrollView,
View,
Text,
StatusBar,
Image,
TextInput,
Button,
Alert,
TouchableOpacity,
} from 'react-native';
import {
Header,
LearnMoreLinks,
Colors,
DebugInstructions,
ReloadInstructions,
} from 'react-native/Libraries/NewAppScreen';
import LinearGradient from 'react-native-linear-gradient';
declare const global: {HermesInternal: null | {}};
const App = () => {
const passwordInput = useRef();
const [data, setData] = React.useState({
username: '',
password: '',
isValidUser: true,
isValidPassword: true,
})
const validUserCheck = (val:string) => {
var validLength:boolean = val.trim().length >= 6
if (validLength) {
setData({
...data,
isValidUser: true
});
}
else {
setData({
...data,
isValidUser: false
})
}
}
const handleUsernameUpdate = (val:string) => {
var validLength:boolean = val.trim().length >= 6
if (validLength) {
setData({
...data,
username: val,
isValidUser: true
})
}
else {
setData({
...data,
username: val,
isValidUser: false
})
}
}
const handlePasswordUpdate = (val:string) => {
var validLength:boolean = val.trim().length >= 8
if (validLength) {
setData({
...data,
password: val,
isValidPassword: true
})
}
else {
setData({
...data,
password: val,
isValidPassword: false
})
}
}
const handleLogin = () => {
if (data.isValidUser && data.isValidPassword) {
Alert.alert(`My favorite Girl Scout Cookies are taggalongs! What are yours ${data.username}?`)
}
}
return (
<>
<StatusBar
barStyle='light-content'
/>
<View style={styles.container}>
<LinearGradient
colors={['#8F00FF', '#6EE7E7']}
style={styles.linearGradient}
useAngle={true}
angle={154.72}
angleCenter={{x:0.5,y:0.5}}>
<Image
source={require('./src/assets/sign_in_logo.png')}
style={styles.logo}
/>
<TextInput
accessibilityLabel="Username text entry box"
accessibilityHint="Enter your tagg username here"
style={styles.credentials}
placeholder="Username"
placeholderTextColor='#FFFFFF'
autoCompleteType='username'
textContentType='username'
returnKeyType='next'
keyboardType='ascii-capable'
onChangeText={user => handleUsernameUpdate(user)}
defaultValue={data.username}
onEndEditing={(val) => validUserCheck(val.nativeEvent.text)}
onSubmitEditing={() => {passwordInput.current.focus()}}
blurOnSubmit={false}
/>
{ data.isValidUser ? null :
<Text style={styles.invalidCredentials}>Username must be at least 6 characters long.</Text>
}
<TextInput
accessibilityLabel="Password text entry box"
accessibilityHint="Enter your tagg password here"
style={styles.credentials}
placeholder="Password"
placeholderTextColor='#FFFFFF'
autoCompleteType='password'
textContentType='password'
returnKeyType='go'
onChangeText={pass => handlePasswordUpdate(pass)}
defaultValue={data.password}
onSubmitEditing={() => handleLogin()}
ref={passwordInput}
secureTextEntry={true}
/>
{ data.isValidPassword ? null :
<Text style={styles.invalidCredentials}>Password must be at least 8 characters long.</Text>
}
<TouchableOpacity
accessibilityLabel="Forgot password button"
accessibilityHint="Select this if you forgot your tagg password"
style={styles.forgotPassword}
onPress={() => Alert.alert("tagg! You're it!")}>
<Text style={styles.forgotPasswordText}>Forgot password</Text>
</TouchableOpacity>
<TouchableOpacity
accessibilityLabel="Let's start button"
accessibilityHint="Select this after entering your tagg username and password"
style={styles.start}
onPress={() => handleLogin()}>
<Text style={styles.startText}>Let's Start!</Text>
</TouchableOpacity>
<Text accessible={true} accessibilityLabel="New to tagg?" style={styles.newUser}>
New to tagg? <Text accessible={true} accessibilityLabel="Get started" accessibilityHint="Select this if you do not have a tagg account" style={styles.getStarted} onPress={() => Alert.alert("I get the tagg flip it and tumble it.")}>Get started!</Text>
</Text>
</LinearGradient>
</View>
</>
);
};
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: 'transparent',
},
linearGradient: {
flex: 1,
alignItems: 'center',
},
logo: {
top: 165,
width: 215,
height: 149,
},
credentials: {
top: 190,
width: 248,
height: 40,
fontSize: 20,
color: '#FFFFFF',
borderColor: '#FFFDFD',
borderWidth: 2,
borderRadius: 20,
paddingLeft: 13,
marginVertical: 15,
},
forgotPassword: {
top: 190,
left: -60,
},
forgotPasswordText: {
fontSize: 15,
color: '#FFFFFF',
textDecorationLine: 'underline',
},
start: {
top: 195,
width: 144,
height: 36,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#FFFFFF',
borderRadius: 20,
marginTop: 15
},
startText: {
fontSize: 15,
color: '#78A0EF',
fontWeight: 'bold',
},
getStarted: {
color: '#FFFFFF',
textDecorationLine: 'underline'
},
newUser: {
top: 240,
color: '#F4DDFF',
},
invalidCredentials: {
top: 180,
color: '#F4DDFF'
}
});
export default App;
|
