Android-Jetpack: ViewModel public magnificence ViewModelProvider {​personal static ultimate String DEFAULT_KEY =”androidx.lifecycle.ViewModelProvider.DefaultKey”;personal ultimate Manufacturing facility mFactory;personal ultimate ViewModelStore mViewModelStore;public ViewModelProvider(@NonNull ViewModelStoreOwner proprietor) {this(proprietor.getViewModelStore(), proprietor instanceof HasDefaultViewModelProviderFactory? ((HasDefaultViewModelProviderFactory) proprietor).getDefaultViewModelProviderFactory(): NewInstanceFactory.getInstance());}public ViewModelProvider(@NonNull ViewModelStoreOwner proprietor, @NonNull Manufacturing facility manufacturing facility) {this(proprietor.getViewModelStore(), manufacturing facility);}public ViewModelProvider(@NonNull ViewModelStore retailer, @NonNull Manufacturing facility manufacturing facility) {mFactory = manufacturing facility;mViewModelStore = retailer;}public <T extends