AndroidViewModel

public class AndroidViewModel extends ViewModel

java.lang.Object
   ↳ 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

Public methods
@NonNull T
<T extends Application> getApplication()

Return the application.

Extension functions
final @NonNull Application

The underlying Application inside AndroidViewModel

Inherited methods
From androidx.lifecycle.ViewModel
void

Adds an AutoCloseable resource to this ViewModel.
final void

Adds an AutoCloseable resource with an associated key to this ViewModel.
final T

Returns the AutoCloseable resource associated to the given key, or null if such a key is not present in this ViewModel.
void

This method will be called when this ViewModel is no longer used and will be destroyed.

Public constructors

AndroidViewModel

Added in 2.0.0
public AndroidViewModel(@NonNull Application application)

Public methods

getApplication

Added in 2.0.0
public @NonNull T <T extends Application> getApplication()

Return the application.

Extension functions

AndroidViewModelKt.getApplication

public final @NonNull Application AndroidViewModelKt.getApplication(@NonNull AndroidViewModel receiver)

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.