开始使用

@capgo/background-geolocation 结合精确的背景位置跟踪和 iOS 和 Android 原生地理围栏。用于配送区域、商店、工作地点、校园、签到、路线警报和任何需要进入或退出事件的工作流，甚至当 WebView 不在运行时。

安装

bun add @capgo/background-geolocation
bunx cap sync

导入

import { BackgroundGeolocation } from '@capgo/background-geolocation';

API 介绍

start

要开始监听设备的位置变化，请调用此方法。 此方法返回一个 Promise，表示方法调用完成。回调函数将在每次获得新位置或调用方法时出现错误时被调用。不要依赖 Promise 的拒绝来实现此功能。

import { BackgroundGeolocation } from '@capgo/background-geolocation';

await BackgroundGeolocation.start(
  {
    backgroundMessage: "App is using your location in the background",
    backgroundTitle: "Location Service",
    requestPermissions: true,
    stale: false,
    distanceFilter: 10
  },
  (location, error) => {
    if (error) {
      console.error('Location error:', error);
      return;
    }
    if (location) {
      console.log('New location:', location.latitude, location.longitude);
    }
  }
);

stop

停止位置更新。

import { BackgroundGeolocation } from '@capgo/background-geolocation';

await BackgroundGeolocation.stop();

openSettings

打开设备的位置设置页面。 有助于指导用户启用位置服务或调整权限。

import { BackgroundGeolocation } from '@capgo/background-geolocation';

// Direct user to location settings
await BackgroundGeolocation.openSettings();

setPlannedRoute

当用户偏离规划路线时，播放声音文件。 此功能应用于播放背景音乐（仅限原生）。

import { BackgroundGeolocation } from '@capgo/background-geolocation';

await BackgroundGeolocation.setPlannedRoute({
  soundFile: "notification.mp3",
  route: [[-74.0060, 40.7128], [-118.2437, 34.0522]]
});

原生地理围栏

地理围栏在原生层运行，因此 iOS 和 Android 可以触发进入和退出事件，而不依赖于 WebView 保持唤醒状态。配置 HTTP 或 HTTPS webhook URL 时，您的后端必须接收过渡事件，即使应用 UI 被挂起。

import { BackgroundGeolocation } from '@capgo/background-geolocation';

await BackgroundGeolocation.setupGeofencing({
  url: 'https://api.example.com/geofences',
  notifyOnEntry: true,
  notifyOnExit: true,
  payload: { userId: '123' },
});

await BackgroundGeolocation.addGeofence({
  identifier: 'store-42',
  latitude: 37.33182,
  longitude: -122.03118,
  radius: 150,
  payload: { storeId: '42' },
});

const handle = await BackgroundGeolocation.addListener(
  'geofenceTransition',
  (event) => {
    console.log(event.identifier, event.transition);
  },
);

const errorHandle = await BackgroundGeolocation.addListener(
  'geofenceError',
  (event) => {
    console.error(event.identifier, event.message);
  },
);

const { regions } = await BackgroundGeolocation.getMonitoredGeofences();
console.log(regions);

await BackgroundGeolocation.removeGeofence({ identifier: 'store-42' });
await handle.remove();
await errorHandle.remove();

在 iOS 上，地理围栏需要始终位置授权。 在 Android 10 及以上版本中，当您需要后台地理围栏时，请将后台位置权限添加到您的应用清单中：

<uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />

类型参考

StartOptions

配置位置更新的选项。

export interface StartOptions {
  /**
   * If the "backgroundMessage" option is defined, the plugin will
   * provide location updates whether the app is in the background or the
   * foreground. If it is not defined, location updates are only
   * guaranteed in the foreground. This is true on both platforms.
   *
   * On Android, a notification must be shown to continue receiving
   * location updates in the background. This option specifies the text of
   * that notification.
   *
   * @since 7.0.9
   * @example "Getting your location to provide better service"
   */
  backgroundMessage?: string;
  /**
   * The title of the notification mentioned above.
   *
   * @since 7.0.9
   * @default "Using your location"
   * @example "Location Service"
   */
  backgroundTitle?: string;
  /**
   * Whether permissions should be requested from the user automatically,
   * if they are not already granted.
   *
   * @since 7.0.9
   * @default true
   * @example
   * // Auto-request permissions
   * requestPermissions: true
   *
   * // Don't auto-request, handle manually
   * requestPermissions: false
   */
  requestPermissions?: boolean;
  /**
   * If "true", stale locations may be delivered while the device
   * obtains a GPS fix. You are responsible for checking the "time"
   * property. If "false", locations are guaranteed to be up to date.
   *
   * @since 7.0.9
   * @default false
   * @example
   * // Allow stale locations for faster initial response
   * stale: true
   *
   * // Only fresh locations
   * stale: false
   */
  stale?: boolean;
  /**
   * The distance in meters that the device must move before a new location update is triggered.
   * This is used to filter out small movements and reduce the number of updates.
   *
   * @since 7.0.9
   * @default 0
   * @example
   * // Update every 10 meters
   * distanceFilter: 10
   *
   * // Update on any movement
   * distanceFilter: 0
   */
  distanceFilter?: number;
}

Location

表示具有各种属性的地理位置。包含GPS/网络提供商返回的所有标准位置属性。

export interface Location {
  /**
   * Latitude in degrees.
   * Range: -90.0 to +90.0
   *
   * @since 7.0.0
   * @example 40.7128
   */
  latitude: number;
  /**
   * Longitude in degrees.
   * Range: -180.0 to +180.0
   *
   * @since 7.0.0
   * @example -74.0060
   */
  longitude: number;
  /**
   * Radius of horizontal uncertainty in metres, with 68% confidence.
   * Lower values indicate more accurate location.
   *
   * @since 7.0.0
   * @example 5.0
   */
  accuracy: number;
  /**
   * Metres above sea level (or null if not available).
   *
   * @since 7.0.0
   * @example 10.5
   */
  altitude: number | null;
  /**
   * Vertical uncertainty in metres, with 68% confidence (or null if not available).
   *
   * @since 7.0.0
   * @example 3.0
   */
  altitudeAccuracy: number | null;
  /**
   * `true` if the location was simulated by software, rather than GPS.
   * Useful for detecting mock locations in development or testing.
   *
   * @since 7.0.0
   * @example false
   */
  simulated: boolean;
  /**
   * Deviation from true north in degrees (or null if not available).
   * Range: 0.0 to 360.0
   *
   * @since 7.0.0
   * @example 45.5
   */
  bearing: number | null;
  /**
   * Speed in metres per second (or null if not available).
   *
   * @since 7.0.0
   * @example 2.5
   */
  speed: number | null;
  /**
   * Time the location was produced, in milliseconds since the unix epoch.
   * Use this to check if a location is stale when using stale: true.
   *
   * @since 7.0.0
   * @example 1640995200000
   */
  time: number | null;
}

CallbackError

可能传递给位置启动回调的错误对象。扩展了标准错误，包含可选的错误代码。

export interface CallbackError extends Error {
  /**
   * Optional error code for more specific error handling.
   *
   * @since 7.0.0
   * @example "PERMISSION_DENIED"
   */
  code?: string;
}

SetPlannedRouteOptions

export interface SetPlannedRouteOptions {
  /**
   * The name of the sound file to play.
   * Must be a valid sound relative path in the app's public folder to work for both web and native platforms.
   * There's no need to include the public folder in the path.
   * @since 7.0.10
   * @example "notification.mp3"
   * */
  soundFile: string;
  /**
   * The planned route as an array of longitude and latitude pairs.
   * Each pair represents a point on the route.
   * This is used to define a route that the user can follow.
   * The route is used to play a sound when the user deviates from it.
   * @since 7.0.11
   * @example [[-74.0060, 40.7128], [-118.2437, 34.0522]]
   */
  route: [number, number][];

  /**
   * The distance in meters that the user must deviate from the planned route to trigger the sound.
   * This is used to determine how far off the route the user can be before the sound is played.
   * If not specified, a default value of 50 meters is used.
   * @since 7.0.11
   * @default 50
   * @example 50
   */
  distance: number;
}

真实来源

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