Login and logout

components/Login.js

@@ -2,11 +2,13 @@ import { StatusBar } from 'expo-status-bar';
 import React, { useState } from 'react';
 import { Text, View, TextInput, Button, StyleSheet } from 'react-native';
 import API from './../API.js';
+import { useNavigation } from '@react-navigation/native';
 
 
 let LoginForm = ()=>{
   let [email, setEmail] = useState('');
   let [password, setPassword] = useState('');
+  const navigation = useNavigation();
 
   return (
     <View style={styles.mainView}>
@@ -34,7 +36,7 @@ let LoginForm = ()=>{
       <Button
         onPress={async () => {
             let r = await API.logIn(email, password);
-            console.log(r);
+            if(r.status === "ok") navigation.navigate('Feed');
           }}
         title={"login"}
       />
@@ -50,7 +52,6 @@ const styles = StyleSheet.create ({
     flexDirection:'column',
     alignItems: 'center',
     justifyContent: 'center',
-    backgroundColor: 'rgba(255, 0, 255, 1.0)',
   },
   input: {
     height: 40,