New setup from scratch - all modules updated - app now in subfolder

SwimTracker/utility/PromiseRequest.js

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+
+let request = obj => {
+  return new Promise((resolve, reject) => {
+      let xhr = new XMLHttpRequest();
+      xhr.open(obj.method || "GET", obj.url);
+      if (obj.headers) {
+          Object.keys(obj.headers).forEach(key => {
+              xhr.setRequestHeader(key, obj.headers[key]);
+          });
+      }
+      if(obj.responseType) {
+        xhr.responseType = obj.responseType;
+      }
+      
+      xhr.onload = () => {
+          if (xhr.status >= 200 && xhr.status < 300) {
+              resolve(xhr.response);
+          } else {
+              reject(xhr.statusText);
+          }
+      };
+      xhr.onerror = () => reject(xhr.statusText);
+      xhr.send(obj.body);
+  });
+};
+
+export default request;

SwimTracker/utility/TimeUtils.js

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+  
+import moment from 'moment/min/moment-with-locales';
+
+
+function timeSince(timeStamp, lang = 'de') {
+  moment.locale(lang);
+
+  const now = Math.floor((new Date()).getTime() / 1000);
+  const secondsPast = now - timeStamp; 
+  if (secondsPast <= 6 * 3600) {
+    return moment().seconds(-secondsPast).fromNow();
+  }
+  else{ 
+    const timeStampDate = new Date(timeStamp * 1000);
+    const dateNow = new Date();
+
+    const timeStampMoment = moment.unix(timeStamp);
+
+    let dateStr = "";
+
+    if (timeStampDate.getDate() == dateNow.getDate())
+      dateStr = "Heute, " + timeStampMoment.format("HH:mm");
+    else if (timeStampDate.getDate() + 1 == dateNow.getDate())
+      dateStr = "Gestern, " + timeStampMoment.format("HH:mm");
+    else {
+      dateStr = timeStampMoment.format("ddd, DD.MM.YY um HH:mm");
+    }
+    return dateStr;
+  }
+  
+}
+
+
+const toTimeStr = seconds => {
+  let minuteStr = String(Math.floor(seconds / 60));
+  if (minuteStr.length < 2)
+    minuteStr = "0" + minuteStr;
+  let secondStr = String(Math.floor(seconds % 60));
+  if (secondStr.length < 2)
+    secondStr = "0" + secondStr;
+  return minuteStr + ":" + secondStr;
+}
+
+
+export { toTimeStr, timeSince };

SwimTracker/utility/i18n.js

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+import { I18n } from "i18n-js";
+import * as Localization from 'expo-localization';
+
+const translation_store = {
+  en: {
+    connecting: "Connecting",
+    connectSubtext: "Please connect your phone to the WiFi of your SwimTracker",
+    simpleMode: "Simple Mode",
+    advancedMode: "Advanced Mode",
+    help: "Need help?",
+    settings: "Settings",
+    lastSessions: "Last Sessions",
+    mainMenu_social: "Social",
+    mainMenu_swimNow: "Swim now"
+  },
+  de : {
+    connecting: "Verbindung aufbauen",
+    connectSubtext: "Gehe entweder in das WLAN deines SwimTrackers oder in dein eigenes WLAN, falls du den SwimTracker schon eingerichtet hast.",
+    simpleMode: "Weniger Einstellungen",
+    advancedMode: "Mehr Einstellungen",
+    settings: "Einstellungen",
+    help: "Hilfe",
+    lastSessions: "Letzte Sessions",
+    mainMenu_social: "Freunde",
+    mainMenu_swimNow: "Jetzt schwimmen",
+  }
+}
+
+
+export const i18n = new I18n();
+i18n.store(translation_store);
+i18n.defaultLocale = "en";
+i18n.enableFallback = true;
+i18n.locale = Localization.locale;