import styles from './style' import React, { Component } from 'react'; import { Div, StyleSheet, Text, View, ScrollView, Alert, Button, TouchableHighlight, Image, Collapsile } from 'react-native'; import wifi from 'react-native-android-wifi'; import MapView from 'react-native-maps'; import { createStackNavigator } from 'react-navigation'; import { YellowBox } from 'react-native'; YellowBox.ignoreWarnings(['Warning: isMounted(...) is deprecated', 'Module RCTImageLoader']); //Silence Bug in React-Navigation import { WebView } from 'react-native'; export default class Speedtest extends React.Component { static navigationOptions = { title: 'Speedtest', }; render() { /* 2. Get the param, provide a fallback value if not available */ const { navigation } = this.props; const itemId = navigation.getParam('itemId', 'NO-ID'); const dataATT = navigation.getParam('dataATT', 'some default value'); //console.log('From MapScreen', dataATT.map(us => us.hostname)) //Funktioniert! return ( ); } }