-
Notifications
You must be signed in to change notification settings - Fork 0
/
App.js
200 lines (176 loc) · 5.51 KB
/
App.js
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
import { StatusBar } from 'expo-status-bar';
import { NavigationContainer, useFocusEffect } from '@react-navigation/native'
import { createNativeStackNavigator } from '@react-navigation/native-stack'
import React, { useEffect, useRef, useState } from 'react';
import { StyleSheet, Text, TextInput, View, Button, Pressable } from 'react-native';
// Create a component that will hold the card for the math equation
// just send the user the numbers and let the user calculate the items on their page
// We start our test and get 10 problems to do. We can either
const ProblemCard = ({ problem, setProblem, type }) => {
const [input, setInput] = useState('');
useEffect(() => {
if (parseInt(input) === problem.ans) {
setInput('')
setProblem(prevState => prevState + 1)
}
}, [input])
return (<View>
<View style={{ width: 100 }}>
{problem.nums.map((num, i) => (
<Text
key={i}
style={{
fontSize: 40,
textAlign: 'right'
}}>
{i === problem.nums.length - 1 ? `${type} ${num}` : num}
</Text>
))}
</View>
<TextInput
value={input}
onChangeText={(text) => setInput(text)}
autoFocus={true}
keyboardType='decimal-pad'
style={{
textAlign: 'center',
borderRadius: 25,
fontSize: 40,
width: 150,
height: 75,
borderColor: 'gray',
borderWidth: 1
}}
/>
</View>)
}
// make a add, subtract, multiplier, divider problem sets
// let users get points? for completing problem sets
// points will allow users to customize the animations/sounds homepage that they get when they open their app
// This is going to the component that will show a variety of problem sets. Will keep track of time here
const ProblemSet = ({ problemArr, navigation, type }) => {
const [time, setTime] = useState(0)
const [problemNum, setProblemNum] = useState(0)
let intervalRef = useRef();
useFocusEffect(
React.useCallback(() => {
console.log("callback")
intervalRef.current = setInterval(() => setTime(prevState => prevState + 1), 1000)
return () => clearInterval(intervalRef.current)
}))
useEffect(() => {
console.log("Use Effect")
if (problemNum === problemArr.length) clearInterval(intervalRef.current)
}, [problemNum])
function reset() {
intervalRef.current = setInterval(() => setTime(prevState => prevState + 1), 1000)
setProblemNum(0);
setTime(0)
}
if (problemNum === problemArr.length) {
return (
<>
<Text>You completed the problem set in {time} seconds! Congratulations</Text>
<Button onPress={() => navigation.navigate("Home")} title='Home' />
<Button onPress={reset} title='Restart Problem Set' />
</>
)
}
return (
<>
<ProblemCard problem={problemArr[problemNum]} setProblem={setProblemNum} type={type} />
</>
)
}
const GamePage = ({ navigation, route }) => {
const { type } = route.params
const [problemArr, setProblemArr] = useState([])
function createProblemArr() {
// make 10 randomly generated problems for the user to do
// create the problems here and then place the answer in it as well
let newproblemArr = []
for (let i = 0; i < 10; i++) {
let nums = new Array(Math.round(Math.random() * 100), Math.round(Math.random() * 100)).sort((a, b) => b - a)
let ans = 0;
switch (type) {
case '+':
ans = nums.reduce((a, b) => a + b)
break;
case '-':
ans = nums.reduce((a, b) => (Math.abs(a - b)))
break;
case 'x':
ans = nums.reduce((a, b) => (a * b))
break;
}
// i have ans here
let problem = {
nums,
ans
}
newproblemArr.push(problem)
}
setProblemArr(newproblemArr);
}
useEffect(() => {
createProblemArr();
}, [])
return (
<View style={styles.container}>
<ProblemSet problemArr={problemArr} navigation={navigation} type={type} />
<StatusBar style="auto" />
</View>
)
}
const HomePage = ({ navigation }) => {
return (
<View style={styles.container}>
<Text style={styles.title}>Mathy</Text>
<Pressable style={styles.gameButton} onPress={() => navigation.navigate('Game', { type: '+' })} >
<Text style={styles.gameButtonText}>Addition</Text>
</Pressable>
<Pressable style={styles.gameButton} onPress={() => navigation.navigate('Game', { type: '-' })} >
<Text style={styles.gameButtonText}>Subtraction</Text>
</Pressable>
<Pressable style={styles.gameButton} onPress={() => navigation.navigate('Game', { type: 'x' })} >
<Text style={styles.gameButtonText}>Multiplication</Text>
</Pressable>
</View>
)
}
const Stack = createNativeStackNavigator();
export default function App() {
return (
<NavigationContainer>
<Stack.Navigator>
<Stack.Screen options={{ headerShown: false }} name='Home' component={HomePage} />
<Stack.Screen name='Game' component={GamePage} />
</Stack.Navigator>
</NavigationContainer>
);
}
const styles = StyleSheet.create({
title: {
fontSize: 36,
textAlign: 'center'
},
container: {
flex: 1,
backgroundColor: '#fff',
alignItems: 'center',
justifyContent: 'center',
marginBottom: 100
},
gameButton: {
justifyContent: 'center',
alignItems: 'center',
margin: 25,
height: 100,
borderRadius: 25,
width: 100,
backgroundColor: '#3589D7',
},
gameButtonText: {
color: 'white'
}
});