# Android - [Android Attributes](#android-attributes) - [Deprecated Android Attributes](#deprecated-android-attributes) ## Android Attributes The Android platform on which the Android application is running. | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `android.app.state` | string | This attribute represents the state of the application. [1] | `created` |  | | `android.os.api_level` | string | Uniquely identifies the framework API revision offered by a version (`os.version`) of the android operating system. More information can be found [here](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels). | `33`; `32` |  | **[1] `android.app.state`:** The Android lifecycle states are defined in [Activity lifecycle callbacks](https://developer.android.com/guide/components/activities/activity-lifecycle#lc), and from which the `OS identifiers` are derived. --- `android.app.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `background` | Any time after Activity.onPause() or, if the app has no Activity, Context.stopService() has been called when the app was in the foreground state. |  | | `created` | Any time before Activity.onResume() or, if the app has no Activity, Context.startService() has been called in the app for the first time. |  | | `foreground` | Any time after Activity.onResume() or, if the app has no Activity, Context.startService() has been called when the app was in either the created or background states. |  | ## Deprecated Android Attributes This document defines attributes that represents an occurrence of a lifecycle transition on the Android platform. | Attribute | Type | Description | Examples | Stability | |---|---|---|---|---| | `android.state` | string | Deprecated. Use `android.app.state` body field instead. | `created`; `background`; `foreground` | 
Use `android.app.state` body field instead. | --- `android.state` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used. | Value | Description | Stability | |---|---|---| | `background` | Any time after Activity.onPause() or, if the app has no Activity, Context.stopService() has been called when the app was in the foreground state. |  | | `created` | Any time before Activity.onResume() or, if the app has no Activity, Context.startService() has been called in the app for the first time. |  | | `foreground` | Any time after Activity.onResume() or, if the app has no Activity, Context.startService() has been called when the app was in either the created or background states. |  |