AndroidViewModel

Artifact: androidx.lifecycle:lifecycle-viewmodel

Added in 2.0.0

Kotlin |Java

android
```
open class AndroidViewModel : ViewModel
```

kotlin.Any
↳	androidx.lifecycle.ViewModel
	↳	androidx.lifecycle.AndroidViewModel

Application context aware ViewModel.

Subclasses must have a constructor which accepts Application as the only parameter.

Summary

Public constructors
`AndroidViewModel(application: Application)`	android

Public functions
`open T`	`<T : Application> getApplication()` Return the application.	android

Extension properties
`Application`	`AndroidViewModel.application` The underlying `Application` inside `AndroidViewModel`	android

Inherited functions

From androidx.lifecycle.ViewModel

`open Unit`	`addCloseable(closeable: AutoCloseable)` Adds an `AutoCloseable` resource to this `ViewModel`.	android
`Unit`	`addCloseable(key: String, closeable: AutoCloseable)` Adds an `AutoCloseable` resource with an associated `key` to this `ViewModel`.	android
`T?`	`<T : AutoCloseable> getCloseable(key: String)` Returns the `AutoCloseable` resource associated to the given `key`, or `null` if such a `key` is not present in this `ViewModel`.	android
`open Unit`	`onCleared()` This method will be called when this `ViewModel` is no longer used and will be destroyed.	android

Public constructors

AndroidViewModel

android

Added in 2.0.0

AndroidViewModel(application: Application)

Public functions

getApplication

android

Added in 2.0.0

open fun <T : Application> getApplication(): T

Return the application.

Extension properties

application

android

Artifact: androidx.lifecycle:lifecycle-viewmodel

View Source

val AndroidViewModel.application: Application

The underlying Application inside AndroidViewModel

One common hierarchy, such as KotlinViewModel <: JavaViewModel <: AndroidViewModel, exposes private property application incorrectly. It is now fixed in K2 (Kotlin language version 2.0), but not backward compatible. This inline extension will make compilations of both pre- and post- 2.0 go well.