React本机iOS获取当前位置的最新信息(&L)

// LocationModule.h
#import <React/RCTEventEmitter.h>
#import <CoreLocation/CoreLocation.h>

@interface LocationModule : RCTEventEmitter <RCTBridgeModule, CLLocationManagerDelegate>

@end

// LocationModule.m
#import "LocationModule.h"

@implementation LocationModule {
  CLLocationManager *_locationManager;
}

RCT_EXPORT_MODULE();

RCT_EXPORT_METHOD(startUpdatingLocation) {
  _locationManager = [[CLLocationManager alloc] init];
  _locationManager.delegate = self;
  [_locationManager requestWhenInUseAuthorization];
  [_locationManager startUpdatingLocation];
}

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations {
  CLLocation *location = [locations lastObject];
  NSDictionary *locationData = @{
    @"latitude": @(location.coordinate.latitude),
    @"longitude": @(location.coordinate.longitude),
    @"altitude": @(location.altitude),
    @"speed": @(location.speed),
    @"course": @(location.course),
    @"accuracy": @(location.horizontalAccuracy)
  };
  [self sendEventWithName:@"LocationUpdated" body:locationData];
}

@end

import { NativeModules, NativeEventEmitter } from 'react-native';

const LocationModule = NativeModules.LocationModule;
const locationEventEmitter = new NativeEventEmitter(LocationModule);

LocationModule.startUpdatingLocation();

locationEventEmitter.addListener('LocationUpdated', (locationData) => {
  console.log('Current location:', locationData);
});