ViewModelLazy

Artifact: androidx.lifecycle:lifecycle-viewmodel

View Source

Added in 2.4.0

---

Kotlin |Java

public final class ViewModelLazy<VM extends ViewModel> implements Lazy

---

An implementation of Lazy used by androidx.fragment.app.viewModels and androidx.activity.viewModels.

storeProducer is a lambda that will be called during initialization, VM will be created in the scope of returned ViewModelStore.

factoryProducer is a lambda that will be called during initialization, returned ViewModelProvider.Factory will be used for creation of VM

extrasProducer is a lambda that will be called during initialization, returned HasDefaultViewModelProviderFactory will get CreationExtras used for creation of VM

Summary

Public constructors
<VM extends ViewModel> ViewModelLazy(     @NonNull KClass<@NonNull VM> viewModelClass,     @NonNull Function0<@NonNull ViewModelStore> storeProducer,     @NonNull Function0<@NonNull ViewModelProvider.Factory> factoryProducer,     @NonNull Function0<@NonNull CreationExtras> extrasProducer )

Public methods
@NonNull VM	getValue()
boolean	isInitialized()

Public constructors

ViewModelLazy

public <VM extends ViewModel> ViewModelLazy(
    @NonNull KClass<@NonNull VM> viewModelClass,
    @NonNull Function0<@NonNull ViewModelStore> storeProducer,
    @NonNull Function0<@NonNull ViewModelProvider.Factory> factoryProducer,
    @NonNull Function0<@NonNull CreationExtras> extrasProducer
)

Public methods

getValue

Added in 2.4.0

public @NonNull VM getValue()

isInitialized

Added in 2.4.0

public boolean isInitialized()