Tipos de servicios en primer plano

A partir de Android 14 (API nivel 34), debes declarar un tipo de servicio adecuado para cada servicio en primer plano. Esto significa que debes declarar el tipo de servicio en el manifiesto de tu app y también solicitar el permiso de servicio en primer plano adecuado para ese tipo (además de solicitar el permiso FOREGROUND_SERVICE). Además, según el tipo de servicio en primer plano, es posible que debas solicitar permisos de tiempo de ejecución antes de iniciar el servicio.

Cámara

Tipo de servicio en primer plano que se declarará en el manifiesto en android:foregroundServiceType
camera
Permiso que se debe declarar en el manifiesto
FOREGROUND_SERVICE_CAMERA
Constante que se pasará a startForeground()
FOREGROUND_SERVICE_TYPE_CAMERA
Requisitos previos del tiempo de ejecución

Solicita y obtén el permiso de tiempo de ejecución CAMERA.

Descripción

Se sigue accediendo a la cámara en segundo plano, como las apps de videochat que permiten realizar varias tareas a la vez.

Dispositivo conectado

Foreground service type to declare in manifest under
android:foregroundServiceType
connectedDevice
Permission to declare in your manifest
FOREGROUND_SERVICE_CONNECTED_DEVICE
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_CONNECTED_DEVICE
Runtime prerequisites

At least one of the following conditions must be true:

Description

Interactions with external devices that require a Bluetooth, NFC, IR, USB, or network connection.

Alternatives

If your app needs to do continuous data transfer to an external device, consider using the companion device manager instead. Use the companion device presence API to help your app stay running while the companion device is in range.

If your app needs to scan for bluetooth devices, consider using the Bluetooth scan API instead.

Sincronización de datos

Tipo de servicio en primer plano que se declarará en el manifiesto en
android:foregroundServiceType
dataSync
Permiso que se debe declarar en el manifiesto
FOREGROUND_SERVICE_DATA_SYNC
Constante que se pasará a startForeground()
FOREGROUND_SERVICE_TYPE_DATA_SYNC
Requisitos previos del tiempo de ejecución
Ninguno
Descripción

Operaciones de transferencia de datos, como las siguientes:

  • Sube o descarga de datos
  • Operaciones de copia de seguridad y restablecimiento
  • Operaciones de importación o exportación
  • Cómo obtener datos
  • Procesamiento de archivos locales
  • Cómo transferir datos entre un dispositivo y la nube a través de una red
Alternativas

Consulta Alternativas a los servicios en primer plano de sincronización de datos para obtener información detallada.

Salud

Foreground service type to declare in manifest under
android:foregroundServiceType
health
Permission to declare in your manifest
FOREGROUND_SERVICE_HEALTH
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_HEALTH
Runtime prerequisites

At least one of the following conditions must be true:

Description

Any long-running use cases to support apps in the fitness category such as exercise trackers.

Ubicación

Foreground service type to declare in manifest under
android:foregroundServiceType
location
Permission to declare in your manifest
FOREGROUND_SERVICE_LOCATION
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_LOCATION
Runtime prerequisites

The user must have enabled location services and the app must be granted at least one of the following runtime permissions:

Description

Long-running use cases that require location access, such as navigation and location sharing.

Alternatives

If your app needs to be triggered when the user reaches specific locations, consider using the geofence API instead.

Contenido multimedia

Foreground service type to declare in manifest under
android:foregroundServiceType
mediaPlayback
Permission to declare in your manifest
FOREGROUND_SERVICE_MEDIA_PLAYBACK
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_MEDIA_PLAYBACK
Runtime prerequisites
None
Description

Continue audio or video playback from the background. Support Digital Video Recording (DVR) functionality on Android TV.

Alternatives

If you're showing picture-in-picture video, use Picture-in-Picture mode.

Procesando archivos multimedia

Tipo de servicio en primer plano que se declarará en el manifiesto en
android:foregroundServiceType
mediaProcessing
Permiso para declarar en tu manifiesto
FOREGROUND_SERVICE_MEDIA_PROCESSING
Constante para pasar a startForeground()
FOREGROUND_SERVICE_TYPE_MEDIA_PROCESSING
Requisitos previos del entorno de ejecución
Ninguno
Descripción

Es un servicio para realizar operaciones que requieren mucho tiempo en los recursos multimedia, como convertir contenido multimedia a diferentes formatos. El sistema le permite a este servicio un tiempo limitado para ejecutarse. En circunstancias normales, este límite de tiempo sería de 6 horas de cada 24. (Todos los servicios en primer plano mediaProcessing de una app comparten este límite).

Tu app debe detener manualmente el servicio de procesamiento de contenido multimedia en la siguiente situación:

Si se alcanza el tiempo de espera, el sistema llama al método Service.onTimeout(int, int) del servicio. En este momento, el servicio tiene unos segundos para llamar a Service.stopSelf(). Si el servicio no llama a Service.stopSelf(), se producirá un error de ANR con este mensaje de error: "Un servicio en primer plano de <fgs_type> no se detuvo dentro del tiempo de espera: <component_name>".

Nota: Service.onTimeout(int, int) no está disponible en Android 14 ni versiones anteriores. En los dispositivos que ejecutan esas versiones, si un servicio de procesamiento de contenido multimedia alcanza el período de tiempo de espera, el sistema almacena en caché la app de inmediato. Por este motivo, tu app no debe esperar a recibir una notificación de tiempo de espera. En su lugar, debe finalizar el servicio en primer plano o cambiarlo a un servicio en segundo plano lo antes posible.

Proyección de contenido multimedia

Foreground service type to declare in manifest under
android:foregroundServiceType
mediaProjection
Permission to declare in your manifest
FOREGROUND_SERVICE_MEDIA_PROJECTION
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_MEDIA_PROJECTION
Runtime prerequisites

Call the createScreenCaptureIntent() method before starting the foreground service. Doing so shows a permission notification to the user; the user must grant the permission before you can create the service.

After you have created the foreground service, you can call MediaProjectionManager.getMediaProjection().

Description

Project content to non-primary display or external device using the MediaProjection APIs. This content doesn't have to be exclusively media content.

Alternatives

To stream media to another device, use the Google Cast SDK.

Micrófono

Foreground service type to declare in manifest under
android:foregroundServiceType
microphone
Permission to declare in your manifest
FOREGROUND_SERVICE_MICROPHONE
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_MICROPHONE
Runtime prerequisites

Request and be granted the RECORD_AUDIO runtime permission.

Description

Continue microphone capture from the background, such as voice recorders or communication apps.

Llamada telefónica

Tipo de servicio en primer plano que se declarará en el manifiesto en
android:foregroundServiceType
phoneCall
Permiso que se debe declarar en el manifiesto
FOREGROUND_SERVICE_PHONE_CALL
Constante que se pasará a startForeground()
FOREGROUND_SERVICE_TYPE_PHONE_CALL
Requisitos previos del tiempo de ejecución

Se debe cumplir al menos una de las siguientes condiciones:

  • La app es la app de teléfono predeterminada a través del rol de ROLE_DIALER.
Descripción

Continúa una llamada en curso con las APIs de ConnectionService.

Alternativas

Si necesitas hacer llamadas telefónicas, de video o por VoIP, considera usar la biblioteca android.telecom.

Considera usar CallScreeningService para filtrar llamadas.

Mensajería remota

Foreground service type to declare in manifest under
android:foregroundServiceType
remoteMessaging
Permission to declare in your manifest
FOREGROUND_SERVICE_REMOTE_MESSAGING
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_REMOTE_MESSAGING
Runtime prerequisites
None
Description
Transfer text messages from one device to another. Assists with continuity of a user's messaging tasks when they switch devices.

Servicio corto

Foreground service type to declare in manifest under
android:foregroundServiceType
shortService
Permission to declare in your manifest
None
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_SHORT_SERVICE
Runtime prerequisites
None
Description

Quickly finish critical work that cannot be interrupted or postponed.

This type has some unique characteristics:

  • Can only run for a short period of time (about 3 minutes).
  • No support for sticky foreground services.
  • Cannot start other foreground services.
  • Doesn't require a type-specific permission, though it still requires the FOREGROUND_SERVICE permission.
  • A shortService can only change to another service type if the app is currently eligible to start a new foreground service.
  • A foreground service can change its type to shortService at any time, at which point the timeout period begins.

The timeout for shortService begins from the moment that Service.startForeground() is called. The app is expected to call Service.stopSelf() or Service.stopForeground() before the timeout occurs. Otherwise, the new Service.onTimeout() is called, giving apps a brief opportunity to call stopSelf() or stopForeground() to stop their service.

A short time after Service.onTimeout() is called, the app enters a cached state and is no longer considered to be in the foreground, unless the user is actively interacting with the app. A short time after the app is cached and the service has not stopped, the app receives an ANR. The ANR message mentions FOREGROUND_SERVICE_TYPE_SHORT_SERVICE. For these reasons, it's considered best practice to implement the Service.onTimeout() callback.

The Service.onTimeout() callback doesn't exist on Android 13 and lower. If the same service runs on such devices, it doesn't receive a timeout, nor does it ANR. Make sure that your service stops as soon as it finishes the processing task, even if it hasn't received the Service.onTimeout() callback yet.

It's important to note that if the timeout of the shortService is not respected, the app will ANR even if it has other valid foreground services or other app lifecycle processes running.

If an app is visible to the user or satisfies one of the exemptions that allow foreground services to be started from the background, calling Service.StartForeground() again with the FOREGROUND_SERVICE_TYPE_SHORT_SERVICE parameter extends the timeout by another 3 minutes. If the app isn't visible to the user and doesn't satisfy one of the exemptions, any attempt to start another foreground service, regardless of type, causes a ForegroundServiceStartNotAllowedException.

If a user disables battery optimization for your app, it's still affected by the timeout of shortService FGS.

If you start a foreground service that includes the shortService type and another foreground service type, the system ignores the shortService type declaration. However, the service must still adhere to the prerequisites of the other declared types. For more information, see the Foreground services documentation.

Uso especial

Foreground service type to declare in manifest under
android:foregroundServiceType
specialUse
Permission to declare in your manifest
FOREGROUND_SERVICE_SPECIAL_USE
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_SPECIAL_USE
Runtime prerequisites
None
Description

Covers any valid foreground service use cases that aren't covered by the other foreground service types.

In addition to declaring the FOREGROUND_SERVICE_TYPE_SPECIAL_USE foreground service type, developers should declare use cases in the manifest. To do so, they specify the <property> element within the <service> element. These values and corresponding use cases are reviewed when you submit your app in the Google Play Console. The use cases you provide are free-form, and you should make sure to provide enough information to let the reviewer see why you need to use the specialUse type.

<service android:name="fooService" android:foregroundServiceType="specialUse">
  <property android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
      android:value="explanation_for_special_use"/>
</service>

Sistema exento

Foreground service type to declare in manifest under
android:foregroundServiceType
systemExempted
Permission to declare in your manifest
FOREGROUND_SERVICE_SYSTEM_EXEMPTED
Constant to pass to startForeground()
FOREGROUND_SERVICE_TYPE_SYSTEM_EXEMPTED
Runtime prerequisites
None
Description

Reserved for system applications and specific system integrations, to continue to use foreground services.

To use this type, an app must meet at least one of the following criteria:

Aplicación forzosa de las políticas de Google Play para usar tipos de servicios en primer plano

Si tu app se segmenta para Android 14 o versiones posteriores, deberás declarar los tipos de servicios en primer plano de la app en la página Contenido de la app de Play Console (Política > Contenido de la app). Para obtener más información sobre cómo declarar los tipos de servicios en primer plano en Play Console, consulta Información sobre los requisitos de los intents de pantalla completa y los servicios en primer plano.