Function AppContent

example/HelloWorld/App.tsx:54–751

()

}

function AppContent() {
  const safeAreaInsets = useSafeAreaInsets();
  const isDarkMode = useColorScheme() === 'dark';
  const [trackingEnabled, setTrackingEnabled] = useState(false);
  const [isMoving, setIsMoving] = useState(false);
  const [currentActivity, setCurrentActivity] = useState('unknown');
  const [lastLocation, setLastLocation] = useState<Location | null>(null);
  const [providerEnabled, setProviderEnabled] = useState(false);
  const [menuVisible, setMenuVisible] = useState(false);
  const [registrationVisible, setRegistrationVisible] = useState(false);
  const [odometer, setOdometer] = useState(0);
  const [odometerError, setOdometerError] = useState<number | null>(null);
  const [isInitialized, setIsInitialized] = useState(false);
  const [emailDialogVisible, setEmailDialogVisible] = useState(false);
  const [emailInput, setEmailInput] = useState('');

  // Check registration status on mount
  useEffect(() => {
    checkRegistrationAndInitialize();
  }, []);

  const checkRegistrationAndInitialize = async () => {
    try {      
      // Check if user has registered before
      const registered = await AsyncStorage.getItem('@transistor_registered');
      
      if (!registered) {
        // First launch - show registration modal
        setRegistrationVisible(true);
      } else {
        // Already registered - initialize BackgroundGeolocation
        const org = await AsyncStorage.getItem('@transistor_org');
        const username = await AsyncStorage.getItem('@transistor_username');
        
        if (org && username) {
          await initializeBackgroundGeolocation(org, username);
        } else {
          // Corrupted storage - re-register
          setRegistrationVisible(true);
        }
      }
    } catch (error) {
      console.error('Error checking registration:', error);
      setRegistrationVisible(true);
    }
  };

  const initializeBackgroundGeolocation = async (org: string, username: string) => {
    if (isInitialized) return; // Prevent double initialization
    
    // Poke a custom log message into SDK logs.
    BackgroundGeolocation.logger.debug("INITIALIZING BACKGROUND GEOLOCATION");

    try {
      // Get or create demo server (tracker.transistorsoft.com) token with the registered credentials
      const token = await BackgroundGeolocation.findOrCreateTransistorAuthorizationToken(org, username);
      
      const state = await BackgroundGeolocation.ready({