Methods
public static ViewModelProvider	of ( Fragment fragment) Creates a ViewModelProvider , which retains ViewModels while a scope of given fragment is alive.
public static ViewModelProvider	of ( FragmentActivity activity) Creates a ViewModelProvider , which retains ViewModels while a scope of given Activity is alive.
public static ViewModelProvider	of ( FragmentActivity activity, ViewModelProvider.Factory factory) Creates a ViewModelProvider , which retains ViewModels while a scope of given Activity is alive.
public static ViewModelProvider	of ( Fragment fragment, ViewModelProvider.Factory factory) Creates a ViewModelProvider , which retains ViewModels while a scope of given fragment is alive.
from java.lang.Object	clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait

Constructors

public ViewModelProviders ()

Deprecated: This class should not be directly instantiated

Methods

public static ViewModelProvider of ( Fragment fragment)

Deprecated: Use the 'by viewModels()' Kotlin property delegate or ViewModelProvider.ViewModelProvider(ViewModelStoreOwner) , passing in the fragment.

Creates a ViewModelProvider , which retains ViewModels while a scope of given fragment is alive. More detailed explanation is in ViewModel . It uses the default factory to instantiate new ViewModels.

Parameters:

fragment : a fragment, in whose scope ViewModels should be retained

Returns:

a ViewModelProvider instance

public static ViewModelProvider of ( FragmentActivity activity)

Deprecated: Use the 'by viewModels()' Kotlin property delegate or ViewModelProvider.ViewModelProvider(ViewModelStoreOwner) , passing in the activity.

Creates a ViewModelProvider , which retains ViewModels while a scope of given Activity is alive. More detailed explanation is in ViewModel . It uses the default factory to instantiate new ViewModels.

Parameters:

activity : an activity, in whose scope ViewModels should be retained

Returns:

a ViewModelProvider instance

public static ViewModelProvider of ( Fragment fragment, ViewModelProvider.Factory factory)

Deprecated: Use the 'by viewModels()' Kotlin property delegate or ViewModelProvider.ViewModelProvider(ViewModelStoreOwner, ViewModelProvider.Factory) , passing in the fragment and factory.

Creates a ViewModelProvider , which retains ViewModels while a scope of given fragment is alive. More detailed explanation is in ViewModel . It uses the given ViewModelProvider.Factory to instantiate new ViewModels.

Parameters:

fragment : a fragment, in whose scope ViewModels should be retained
factory : a Factory to instantiate new ViewModels

Returns:

a ViewModelProvider instance

public static ViewModelProvider of ( FragmentActivity activity, ViewModelProvider.Factory factory)

Deprecated: Use the 'by viewModels()' Kotlin property delegate or ViewModelProvider.ViewModelProvider(ViewModelStoreOwner, ViewModelProvider.Factory) , passing in the activity and factory.

Creates a ViewModelProvider , which retains ViewModels while a scope of given Activity is alive. More detailed explanation is in ViewModel . It uses the given ViewModelProvider.Factory to instantiate new ViewModels.

Parameters:

activity : an activity, in whose scope ViewModels should be retained
factory : a Factory to instantiate new ViewModels

Returns:

a ViewModelProvider instance

Source

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *      http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
package androidx.lifecycle;
import android.app.Application;
import androidx.annotation.MainThread;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.lifecycle.ViewModelProvider.Factory;
 * Utilities methods for {@link ViewModelStore} class.
 * @deprecated Use the constructors for {@link ViewModelProvider} directly.
@Deprecated
public class ViewModelProviders {
     * @deprecated This class should not be directly instantiated
    @Deprecated
    public ViewModelProviders() {
     * Creates a {@link ViewModelProvider}, which retains ViewModels while a scope of given
     * {@code fragment} is alive. More detailed explanation is in {@link ViewModel}.
     * It uses the {@link Fragment#getDefaultViewModelProviderFactory() default factory}
     * to instantiate new ViewModels.
     * @param fragment a fragment, in whose scope ViewModels should be retained
     * @return a ViewModelProvider instance
     * @deprecated Use the 'by viewModels()' Kotlin property delegate or
     * {@link ViewModelProvider#ViewModelProvider(ViewModelStoreOwner)},
     * passing in the fragment.
    @Deprecated
    @NonNull
    @MainThread
    public static ViewModelProvider of(@NonNull Fragment fragment) {
        return new ViewModelProvider(fragment);
     * Creates a {@link ViewModelProvider}, which retains ViewModels while a scope of given Activity
     * is alive. More detailed explanation is in {@link ViewModel}.
     * It uses the {@link FragmentActivity#getDefaultViewModelProviderFactory() default factory}
     * to instantiate new ViewModels.
     * @param activity an activity, in whose scope ViewModels should be retained
     * @return a ViewModelProvider instance
     * @deprecated Use the 'by viewModels()' Kotlin property delegate or
     * {@link ViewModelProvider#ViewModelProvider(ViewModelStoreOwner)},
     * passing in the activity.
    @Deprecated
    @NonNull
    @MainThread
    public static ViewModelProvider of(@NonNull FragmentActivity activity) {
        return new ViewModelProvider(activity);
     * Creates a {@link ViewModelProvider}, which retains ViewModels while a scope of given
     * {@code fragment} is alive. More detailed explanation is in {@link ViewModel}.
     * It uses the given {@link Factory} to instantiate new ViewModels.
     * @param fragment a fragment, in whose scope ViewModels should be retained
     * @param factory  a {@code Factory} to instantiate new ViewModels
     * @return a ViewModelProvider instance
     * @deprecated Use the 'by viewModels()' Kotlin property delegate or
     * {@link ViewModelProvider#ViewModelProvider(ViewModelStoreOwner, Factory)},
     * passing in the fragment and factory.
    @Deprecated
    @NonNull
    @MainThread
    public static ViewModelProvider of(@NonNull Fragment fragment, @Nullable Factory factory) {
        if (factory == null) {
            factory = fragment.getDefaultViewModelProviderFactory();
        return new ViewModelProvider(fragment.getViewModelStore(), factory);
     * Creates a {@link ViewModelProvider}, which retains ViewModels while a scope of given Activity
     * is alive. More detailed explanation is in {@link ViewModel}.
     * It uses the given {@link Factory} to instantiate new ViewModels.
     * @param activity an activity, in whose scope ViewModels should be retained
     * @param factory  a {@code Factory} to instantiate new ViewModels
     * @return a ViewModelProvider instance
     * @deprecated Use the 'by viewModels()' Kotlin property delegate or
     * {@link ViewModelProvider#ViewModelProvider(ViewModelStoreOwner, Factory)},
     * passing in the activity and factory.
    @Deprecated
    @NonNull
    @MainThread
    public static ViewModelProvider of(@NonNull FragmentActivity activity,
            @Nullable Factory factory) {
        if (factory == null) {
            factory = activity.getDefaultViewModelProviderFactory();
        return new ViewModelProvider(activity.getViewModelStore(), factory);
     * {@link Factory} which may create {@link AndroidViewModel} and
     * {@link ViewModel}, which have an empty constructor.
     * @deprecated Use {@link ViewModelProvider.AndroidViewModelFactory}
    @SuppressWarnings("WeakerAccess")
    @Deprecated
    public static class DefaultFactory extends ViewModelProvider.AndroidViewModelFactory {
         * Creates a {@code AndroidViewModelFactory}
         * @param application an application to pass in {@link AndroidViewModel}
         * @deprecated Use {@link ViewModelProvider.AndroidViewModelFactory} or
         * {@link ViewModelProvider.AndroidViewModelFactory#getInstance(Application)}.