1 /*
2  * Copyright 2021 The Android Open Source Project
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 package androidx.lifecycle
17 
18 import android.content.Context
19 import androidx.startup.AppInitializer
20 import androidx.startup.Initializer
21 
22 /** Initializes [ProcessLifecycleOwner] using `androidx.startup`. */
23 public class ProcessLifecycleInitializer : Initializer<LifecycleOwner> {
createnull24     override fun create(context: Context): LifecycleOwner {
25         val appInitializer = AppInitializer.getInstance(context)
26         check(appInitializer.isEagerlyInitialized(javaClass)) {
27             """ProcessLifecycleInitializer cannot be initialized lazily.
28                Please ensure that you have:
29                <meta-data
30                    android:name='androidx.lifecycle.ProcessLifecycleInitializer'
31                    android:value='androidx.startup' />
32                under InitializationProvider in your AndroidManifest.xml"""
33         }
34         LifecycleDispatcher.init(context)
35         ProcessLifecycleOwner.init(context)
36         return ProcessLifecycleOwner.get()
37     }
38 
dependenciesnull39     override fun dependencies(): List<Class<out Initializer<*>>> = emptyList()
40 }
41