1 /* 2 * Copyright (C) 2020 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.hilt.android; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import androidx.fragment.app.Fragment; 22 import android.view.View; 23 import dagger.hilt.EntryPoints; 24 import javax.annotation.Nonnull; 25 26 /** Static utility methods for dealing with entry points for standard Android components. */ 27 public final class EntryPointAccessors { 28 29 /** 30 * Returns the entry point interface from an application. The context can be any context derived 31 * from the application context. May only be used with entry point interfaces installed in the 32 * ApplicationComponent. 33 */ 34 @Nonnull fromApplication(Context context, Class<T> entryPoint)35 public static <T> T fromApplication(Context context, Class<T> entryPoint) { 36 return EntryPoints.get(context.getApplicationContext(), entryPoint); 37 } 38 39 /** 40 * Returns the entry point interface from an activity. May only be used with entry point 41 * interfaces installed in the ActivityComponent. 42 */ 43 @Nonnull fromActivity(Activity activity, Class<T> entryPoint)44 public static <T> T fromActivity(Activity activity, Class<T> entryPoint) { 45 return EntryPoints.get(activity, entryPoint); 46 } 47 48 /** 49 * Returns the entry point interface from a fragment. May only be used with entry point interfaces 50 * installed in the FragmentComponent. 51 */ 52 @Nonnull fromFragment(Fragment fragment, Class<T> entryPoint)53 public static <T> T fromFragment(Fragment fragment, Class<T> entryPoint) { 54 return EntryPoints.get(fragment, entryPoint); 55 } 56 57 /** 58 * Returns the entry point interface from a view. May only be used with entry point interfaces 59 * installed in the ViewComponent or ViewNoFragmentComponent. 60 */ 61 @Nonnull fromView(View view, Class<T> entryPoint)62 public static <T> T fromView(View view, Class<T> entryPoint) { 63 return EntryPoints.get(view, entryPoint); 64 } 65 EntryPointAccessors()66 private EntryPointAccessors() {} 67 } 68