1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
import React from 'react';
import {RouteProp} from '@react-navigation/native';
import {StackNavigationProp} from '@react-navigation/stack';
import {
View,
Text,
Alert,
StatusBar,
Image,
TouchableOpacity,
StyleSheet,
Keyboard,
TouchableWithoutFeedback,
} from 'react-native';
import {RootStackParams} from '../routes';
import LinearGradient from 'react-native-linear-gradient';
import LoginInput from '../components/common/LoginInput';
type LoginScreenRouteProp = RouteProp<RootStackParams, 'Login'>;
type LoginScreenNavigationProp = StackNavigationProp<RootStackParams, 'Login'>;
interface LoginProps {
route: LoginScreenRouteProp;
navigation: LoginScreenNavigationProp;
}
const Login = ({navigation}: LoginProps) => {
const input_ref = React.createRef();
const [data, setData] = React.useState({
username: '',
password: '',
isValidUser: true,
isValidPassword: true,
focusPasswordInput: false,
});
/*
Updates the state of username. Also verifies the input of the Username field.
*/
const handleUsernameUpdate = (val: string) => {
let validLength: boolean = val.trim().length >= 6;
if (validLength) {
setData({
...data,
username: val,
isValidUser: true,
});
} else {
setData({
...data,
username: val,
isValidUser: false,
});
}
};
/*
Updates the state of password. Also verifies the input of the Password field.
*/
const handlePasswordUpdate = (val: string) => {
let validLength: boolean = val.trim().length >= 8;
if (validLength) {
setData({
...data,
password: val,
isValidPassword: true,
});
} else {
setData({
...data,
password: val,
isValidPassword: false,
});
}
};
/*
Handler for the Let's Start button or the Go button on the keyboard.
*/
const handleLogin = () => {
if (data.isValidUser && data.isValidPassword) {
Alert.alert(
`My favorite Girl Scout Cookies are taggalongs! What are yours ${data.username}?`,
);
}
};
/*
Handler for the submit button on the Username keyboard
*/
const handleUsernameSubmit = () => {
input_ref.current.focus();
};
const handleRegistration = () => {
navigation.navigate('Registration');
};
return (
<>
<StatusBar barStyle="light-content" />
<TouchableWithoutFeedback
onPress={() => {
Keyboard.dismiss();
}}>
<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('../assets/images/logo.png')}
style={styles.logo}
/>
<LoginInput
type={data.username}
isUsername={true}
onChangeText={(user) => handleUsernameUpdate(user)}
onSubmitEditing={() => handleUsernameSubmit()}
isValid={data.isValidUser}
validationWarning={'Username must be at least 6 characters long.'}
/>
<LoginInput
type={data.password}
isPassword={true}
onChangeText={(user) => handlePasswordUpdate(user)}
focusPasswordInput={data.focusPasswordInput}
onSubmitEditing={() => handleLogin()}
isValid={data.isValidPassword}
validationWarning={'Password must be at least 8 characters long.'}
input_ref={input_ref}
/>
<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={() => handleRegistration()}>
Get started!
</Text>
</Text>
</LinearGradient>
</View>
</TouchableWithoutFeedback>
</>
);
};
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: 'transparent',
},
linearGradient: {
flex: 1,
alignItems: 'center',
},
logo: {
top: 165,
width: 215,
height: 149,
},
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 Login;
|
