| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * 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.core.app; |
| |
| import static androidx.core.app.CoreComponentFactory.checkCompatWrapper; |
| |
| import android.app.Activity; |
| import android.app.Application; |
| import android.app.Service; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentProvider; |
| import android.content.Intent; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RequiresApi; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| /** |
| * Version of {@link android.app.AppComponentFactory} that works with androidx libraries. |
| * |
| * Note: This will only work on API 28+ and does not backport AppComponentFactory functionality. |
| */ |
| @RequiresApi(28) |
| public class AppComponentFactory extends android.app.AppComponentFactory { |
| |
| /** |
| * @see #instantiateActivityCompat |
| */ |
| @NonNull |
| @Override |
| public final Activity instantiateActivity( |
| @NonNull ClassLoader cl, @NonNull String className, @Nullable Intent intent) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| return checkCompatWrapper(instantiateActivityCompat(cl, className, intent)); |
| } |
| |
| /** |
| * @see #instantiateApplicationCompat |
| */ |
| @NonNull |
| @Override |
| public final Application instantiateApplication( |
| @NonNull ClassLoader cl, @NonNull String className) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| return checkCompatWrapper(instantiateApplicationCompat(cl, className)); |
| } |
| |
| /** |
| * @see #instantiateReceiverCompat |
| */ |
| @NonNull |
| @Override |
| public final BroadcastReceiver instantiateReceiver( |
| @NonNull ClassLoader cl, @NonNull String className, @Nullable Intent intent) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| return checkCompatWrapper(instantiateReceiverCompat(cl, className, intent)); |
| } |
| |
| /** |
| * @see #instantiateProviderCompat |
| */ |
| @NonNull |
| @Override |
| public final ContentProvider instantiateProvider( |
| @NonNull ClassLoader cl, @NonNull String className) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| return checkCompatWrapper(instantiateProviderCompat(cl, className)); |
| } |
| |
| /** |
| * @see #instantiateServiceCompat |
| */ |
| @NonNull |
| @Override |
| public final Service instantiateService( |
| @NonNull ClassLoader cl, @NonNull String className, @Nullable Intent intent) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| return checkCompatWrapper(instantiateServiceCompat(cl, className, intent)); |
| } |
| |
| /** |
| * Allows application to override the creation of the application object. This can be used to |
| * perform things such as dependency injection or class loader changes to these |
| * classes. |
| * <p> |
| * This method is only intended to provide a hook for instantiation. It does not provide |
| * earlier access to the Application object. The returned object will not be initialized |
| * as a Context yet and should not be used to interact with other android APIs. |
| * |
| * @param cl The default classloader to use for instantiation. |
| * @param className The class to be instantiated. |
| */ |
| public @NonNull Application instantiateApplicationCompat(@NonNull ClassLoader cl, |
| @NonNull String className) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| try { |
| return (Application) Class.forName(className, false, cl) |
| .getDeclaredConstructor().newInstance(); |
| } catch (InvocationTargetException | NoSuchMethodException e) { |
| throw new RuntimeException("Couldn't call constructor", e); |
| } |
| } |
| |
| /** |
| * Allows application to override the creation of activities. This can be used to |
| * perform things such as dependency injection or class loader changes to these |
| * classes. |
| * <p> |
| * This method is only intended to provide a hook for instantiation. It does not provide |
| * earlier access to the Activity object. The returned object will not be initialized |
| * as a Context yet and should not be used to interact with other android APIs. |
| * |
| * @param cl The default classloader to use for instantiation. |
| * @param className The class to be instantiated. |
| * @param intent Intent creating the class. |
| */ |
| public @NonNull Activity instantiateActivityCompat(@NonNull ClassLoader cl, |
| @NonNull String className, @Nullable Intent intent) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| try { |
| return (Activity) Class.forName(className, false, cl) |
| .getDeclaredConstructor().newInstance(); |
| } catch (InvocationTargetException | NoSuchMethodException e) { |
| throw new RuntimeException("Couldn't call constructor", e); |
| } |
| } |
| |
| /** |
| * Allows application to override the creation of receivers. This can be used to |
| * perform things such as dependency injection or class loader changes to these |
| * classes. |
| * |
| * @param cl The default classloader to use for instantiation. |
| * @param className The class to be instantiated. |
| * @param intent Intent creating the class. |
| */ |
| public @NonNull BroadcastReceiver instantiateReceiverCompat(@NonNull ClassLoader cl, |
| @NonNull String className, @Nullable Intent intent) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| try { |
| return (BroadcastReceiver) Class.forName(className, false, cl) |
| .getDeclaredConstructor().newInstance(); |
| } catch (InvocationTargetException | NoSuchMethodException e) { |
| throw new RuntimeException("Couldn't call constructor", e); |
| } |
| } |
| |
| /** |
| * Allows application to override the creation of services. This can be used to |
| * perform things such as dependency injection or class loader changes to these |
| * classes. |
| * <p> |
| * This method is only intended to provide a hook for instantiation. It does not provide |
| * earlier access to the Service object. The returned object will not be initialized |
| * as a Context yet and should not be used to interact with other android APIs. |
| * |
| * @param cl The default classloader to use for instantiation. |
| * @param className The class to be instantiated. |
| * @param intent Intent creating the class. |
| */ |
| public @NonNull Service instantiateServiceCompat(@NonNull ClassLoader cl, |
| @NonNull String className, @Nullable Intent intent) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| try { |
| return (Service) Class.forName(className, false, cl) |
| .getDeclaredConstructor().newInstance(); |
| } catch (InvocationTargetException | NoSuchMethodException e) { |
| throw new RuntimeException("Couldn't call constructor", e); |
| } |
| } |
| |
| /** |
| * Allows application to override the creation of providers. This can be used to |
| * perform things such as dependency injection or class loader changes to these |
| * classes. |
| * <p> |
| * This method is only intended to provide a hook for instantiation. It does not provide |
| * earlier access to the ContentProvider object. The returned object will not be initialized |
| * with a Context yet and should not be used to interact with other android APIs. |
| * |
| * @param cl The default classloader to use for instantiation. |
| * @param className The class to be instantiated. |
| */ |
| public @NonNull ContentProvider instantiateProviderCompat(@NonNull ClassLoader cl, |
| @NonNull String className) |
| throws InstantiationException, IllegalAccessException, ClassNotFoundException { |
| try { |
| return (ContentProvider) Class.forName(className, false, cl) |
| .getDeclaredConstructor().newInstance(); |
| } catch (InvocationTargetException | NoSuchMethodException e) { |
| throw new RuntimeException("Couldn't call constructor", e); |
| } |
| } |
| } |
