| /* |
| * 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.activity |
| |
| import android.os.Bundle |
| import androidx.lifecycle.Lifecycle |
| import androidx.lifecycle.LifecycleEventObserver |
| import androidx.test.core.app.ActivityScenario |
| import androidx.test.ext.junit.runners.AndroidJUnit4 |
| import androidx.test.filters.LargeTest |
| import androidx.testutils.withActivity |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| |
| internal enum class LifecycleSource { |
| CONTEXT_AWARE, |
| ACTIVITY, |
| ACTIVITY_CALLBACK |
| } |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4::class) |
| class ComponentActivityLifecycleTest { |
| |
| @Test |
| @Throws(Throwable::class) |
| fun testLifecycleObserver() { |
| lateinit var events: List<Pair<LifecycleSource, Lifecycle.Event>> |
| ActivityScenario.launch(LifecycleComponentActivity::class.java).use { scenario -> |
| events = scenario.withActivity { this.events } |
| } |
| |
| // The Activity's lifecycle callbacks should fire first, |
| // followed by the activity's lifecycle observers |
| assertThat(events) |
| .containsExactly( |
| LifecycleSource.CONTEXT_AWARE to Lifecycle.Event.ON_CREATE, |
| LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_CREATE, |
| LifecycleSource.ACTIVITY to Lifecycle.Event.ON_CREATE, |
| LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_START, |
| LifecycleSource.ACTIVITY to Lifecycle.Event.ON_START, |
| LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_RESUME, |
| LifecycleSource.ACTIVITY to Lifecycle.Event.ON_RESUME, |
| // Now the order reverses as things unwind |
| LifecycleSource.ACTIVITY to Lifecycle.Event.ON_PAUSE, |
| LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_PAUSE, |
| LifecycleSource.ACTIVITY to Lifecycle.Event.ON_STOP, |
| LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_STOP, |
| LifecycleSource.ACTIVITY to Lifecycle.Event.ON_DESTROY, |
| LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_DESTROY |
| ).inOrder() |
| } |
| } |
| |
| class LifecycleComponentActivity : ComponentActivity() { |
| internal val events = mutableListOf<Pair<LifecycleSource, Lifecycle.Event>>() |
| |
| init { |
| addOnContextAvailableListener { _, _, _ -> |
| events.add(LifecycleSource.CONTEXT_AWARE to Lifecycle.Event.ON_CREATE) |
| } |
| lifecycle.addObserver(LifecycleEventObserver { _, event -> |
| events.add(LifecycleSource.ACTIVITY to event) |
| }) |
| } |
| |
| override fun onCreate(savedInstanceState: Bundle?) { |
| super.onCreate(savedInstanceState) |
| events.add(LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_CREATE) |
| } |
| |
| override fun onStart() { |
| super.onStart() |
| events.add(LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_START) |
| } |
| |
| override fun onResume() { |
| super.onResume() |
| events.add(LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_RESUME) |
| } |
| |
| override fun onPause() { |
| events.add(LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_PAUSE) |
| super.onPause() |
| } |
| |
| override fun onStop() { |
| events.add(LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_STOP) |
| super.onStop() |
| } |
| |
| override fun onDestroy() { |
| events.add(LifecycleSource.ACTIVITY_CALLBACK to Lifecycle.Event.ON_DESTROY) |
| super.onDestroy() |
| } |
| } |