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

ViewModel that has access to the Application context.

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

See also
`ViewModel`

Summary

Public constructors
`AndroidViewModel(application: Application)`	android

Public functions
`open T`	`<T : Application> getApplication()` Returns the `Application` instance.	android

Extension properties
`Application`	`AndroidViewModel.application` Returns the underlying `Application` of the `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`	`@EmptySuper 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

Returns the Application instance.

Extension properties

AndroidViewModel.application

android

Artifact: androidx.lifecycle:lifecycle-viewmodel

View Source

val AndroidViewModel.application: Application

Returns the underlying Application of the AndroidViewModel.

Works around a Kotlin compilation issue where class hierarchies extending AndroidViewModel (e.g., KotlinViewModel extending JavaViewModel extending AndroidViewModel) incorrectly expose the private application property.