getOrThrow
fun <T : ViewModel> getOrThrow( owner: ViewModelStoreOwner, kotlinClass: KClass<*>, key: String): T
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Returns an existing ViewModel or throws an exception when no matching view model can be restored.
Parameters
owner
The ViewModelStoreOwner owning the store.
kotlinClass
The KClass information on the ViewModel being retrieved.
key
Unique identifier for this ViewModel.
Throws
when no ViewModel can be found in the owner's store.