aloukissas

import React from "react";
import { View, Text, StyleSheet, Button } from "react-native";
import { Auth } from "aws-amplify";
import { withAuthContext } from "../context";

class Home extends React.Component {
  handleLogout = async () => {
    await Auth.signOut();
    this.props.auth.setAuthenticated(false);
  };

aloukissas

import React from "react";
import { View, Text } from "react-native";
import { Permissions } from "expo";

class PermissionsExample extends React.Component {
  state = {
    message: ""
  };
  
  async componentWillMount() {

aloukissas

import React from "react";
import { View, Text, Platform } from "react-native";
import { Constants, Location, Permissions } from "expo";

class PermissionsExample extends React.Component {
  state = {
    message: null,
    location: null
  };
  

aloukissas

setUserCity = async (city) => {
  try {
    await AsyncStorage.setItem("userCity", city);
  } catch (error) {
    console.log(`While storing userCity: ${error.message}`);
  }
}

aloukissas

getUserCity = async () => {
  try {
    return await AsyncStorage.getItem("userCity");
  catch (error) {
    console.log(`While getting userCity: ${error.message}`);
    return null;
  }
}

aloukissas

deleteUserCity = async () => {
  try {
    await AsyncStorage.removeItem("userCity");
  } catch (error) {
    console.log(`While removing userCity: ${error.message}`);
  }
}

aloukissas

import { Permissions } from "expo";

async function registerForPushNotificationsAsync() {
  const { status: existingStatus } = await Permissions.getAsync(
    Permissions.NOTIFICATIONS
  );
  let finalStatus = existingStatus;

  // only ask if permissions have not already been determined, because
  // iOS won't necessarily prompt the user a second time.

aloukissas

import { Notifications, Permissions } from "expo";

const PUSH_ENDPOINT = "https://your-push-server/push-token"

async function registerForPushNotificationsAsync() {
  // Request permissions -- same as earlier
  [...]
  
  // Get the token that uniquely identifies this device
  const token = await Notifications.getExpoPushTokenAsync();

aloukissas

const EXPO_HOST = "https://exp.host/--/api/v2/push/send";

function sendNotification(token, title, body) {
  return fetch(EXPO_HOST, {
    body: JSON.stringify({
      to: token,
      title: title,
      body: body
    }),
    headers: {

aloukissas

class App extends React.Component {
  state = {
    notification: ""
  };
    
  registerForPushNotificationsAsync = async () => {
    // Same as earlier
  }
  
  handleNotification = notification => {