back handler handling

squarenotsquare/src/screens/Home.js

@@ -1,11 +1,15 @@
-import React from "react";
-import { Text, View } from "react-native";
+import React, { useEffect } from "react";
+import { BackHandler, Text, View } from "react-native";
 import { useState } from "react";
 import { styles } from './styles/AppStyles';
 import { TouchableOpacity } from "react-native-gesture-handler";
 
 function Home(props){
 
+  useEffect(() => {
+    BackHandler.addEventListener('hardwareBackPress', () => {return true});
+  }, [])
+
   return (
     <View style={[styles.flex]}>
       <View style={[styles.flexHalf, styles.spaceAround]}>