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import React, { useEffect } from 'react';
import { Platform, PermissionsAndroid, AppState } from 'react-native';
import Geolocation from 'react-native-geolocation-service';
import BackgroundActions from 'react-native-background-actions';
let watchId = null; // 구독 ID를 저장할 변수
const locations = {
latitude: [],
longitude: [],
timestamp: []
};
let intervalId = null; // Interval ID를 저장할 변수
// 위치 추적 옵션 설정
const locationOptions = {
accuracy: {
ios: 'best',
android: 'mediumAccuracy',
}[Platform.OS],
distanceFilter: 0, // meters
interval: 1000, // 1 seconds
fastestInterval: 1000, // 5 seconds
forceRequestLocation: true
};
// 위치 권한 요청 함수
const requestLocationPermission = async () => {
if (Platform.OS === 'ios') {
const permission = await new Promise((resolve) => {
Geolocation.requestAuthorization((status) => {
resolve(status);
});
});
return permission;
} else {
const granted = await PermissionsAndroid.request(
PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION
);
return granted === PermissionsAndroid.RESULTS.GRANTED ? 'granted' : 'denied';
}
};
// 위치 서비스 시작 함수
const startLocationService = async () => {
console.log('그다음 위치서비스가 시작되는거야');
try {
const permission = await requestLocationPermission();
if (permission !== 'granted') {
console.error('Location permission not granted');
return; // 권한이 없으면 함수 종료
}
if (watchId === null) {
watchId = Geolocation.watchPosition(
(position) => {
const { latitude, longitude } = position.coords;
const time = new Date().toISOString();
const timestamp = formatDate(time);
locations.latitude.push(latitude);
locations.longitude.push(longitude);
// locations.latitude.push(String(latitude));
// locations.longitude.push(String(longitude));
locations.timestamp.push(timestamp);
console.log('Location updated:', { latitude, longitude, timestamp });
},
(error) => {
console.error('Error watching position:', error);
},
locationOptions
);
console.log('Location service started.');
}
} catch (error) {
console.error('Error starting location service:', error);
}
};
// 위치 서비스 중지 함수
const stopLocationService = async () => {
try {
if (watchId !== null) {
Geolocation.clearWatch(watchId);
watchId = null;
}
console.log('Location service stopped.');
} catch (error) {
console.error('Error stopping location service:', error);
}
};
// 백그라운드에서 실행할 작업
const backgroundTask = async (taskData) => {
console.log('백그라운드에서 이게 시작되는거고');
await new Promise(async (resolve) => {
await startLocationService();
intervalId = setInterval(() => {
console.log('Background task running');
}, 10000); // 10초마다 로그 출력ㄴ
});
};
// 백그라운드 작업 시작 함수
const startBackgroundTask = async () => {
try {
await BackgroundActions.start(backgroundTask, options);
console.log('Background task started.');
} catch (error) {
console.error('Error starting background task:', error);
}
};
// 백그라운드 작업 중지 함수
const stopBackgroundTask = async () => {
try {
await BackgroundActions.stop();
await stopLocationService(); // 위치 서비스 중지
clearInterval(intervalId); // Interval 중지
console.log('Background task stopped and location service stopped.');
} catch (error) {
console.error('Error stopping background task:', error);
}
};
// 백그라운드 서비스 옵션
const options = {
taskName: '측정 서비스',
taskTitle: '측정 중',
taskDesc: '측정 진행 중... ',
taskIcon: {
name: 'ic_launcher',
type: 'mipmap',
},
color: '#ff00ff',
linkingURI: 'sendLocation',
parameters: {
delay: 1000,
},
};
// 한국 시간으로 변환하는 함수
const formatDate = (time) => {
const date = new Date(time);
const year = date.getFullYear();
const month = `0${date.getMonth() + 1}`.slice(-2);
const day = `0${date.getDate()}`.slice(-2);
const hours = `0${date.getHours()}`.slice(-2);
const minutes = `0${date.getMinutes()}`.slice(-2);
const seconds = `0${date.getSeconds()}`.slice(-2);
const milliseconds = `00${date.getMilliseconds()}`.slice(-3);
return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}.${milliseconds}`;
};
export { startBackgroundTask, stopBackgroundTask, locations };