@indoor-track/ibeacon/lib/module/useIbeaconScan.js

Uma biblioteca React Native que fornece APIs nativas para escanear, detectar e obter informações de dispositivos iBeacon via Bluetooth Low Energy...

"use strict";

import { useEffect, useState } from 'react';
import { Platform } from 'react-native';
import { IbeaconEventEmitter } from './NativeIbeacon';
import { check, requestMultiple, PERMISSIONS, RESULTS } from 'react-native-permissions';
export const useIbeaconScan = () => {
  const [results, setResults] = useState([]);
  const [error, setError] = useState(null);
  const [initialized, setInitialized] = useState(false);
  useEffect(() => {
    async function requestBluetoothPermissions() {
      if (Platform.OS === 'android') {
        const permissionsToRequest = [];
        const bluetoothScan = PERMISSIONS.ANDROID.BLUETOOTH_SCAN;
        const bluetoothConnect = PERMISSIONS.ANDROID.BLUETOOTH_CONNECT;
        const scanStatus = await check(bluetoothScan);
        const connectStatus = await check(bluetoothConnect);
        if (scanStatus !== RESULTS.GRANTED) {
          permissionsToRequest.push(bluetoothScan);
        }
        if (connectStatus !== RESULTS.GRANTED) {
          permissionsToRequest.push(bluetoothConnect);
        }
        if (permissionsToRequest.length > 0) {
          const statuses = await requestMultiple(permissionsToRequest);
          if (statuses[PERMISSIONS.ANDROID.BLUETOOTH_SCAN] !== RESULTS.GRANTED || statuses[PERMISSIONS.ANDROID.BLUETOOTH_CONNECT] !== RESULTS.GRANTED) {
            requestBluetoothPermissions();
          }
        }
      }
      setInitialized(true);
    }
    requestBluetoothPermissions();
  }, []);
  useEffect(() => {
    if (!initialized) return;
    const resultListener = IbeaconEventEmitter.addListener('ScanResult', data => {
      setResults(prev => [...prev, data]);
    });
    const errorListener = IbeaconEventEmitter.addListener('ScanError', err => {
      setError(err);
    });
    return () => {
      resultListener.remove();
      errorListener.remove();
    };
  }, [initialized]);
  return {
    results,
    error,
    initialized
  };
};
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