| /* |
| * 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.fragment.app.test |
| |
| import android.content.Context |
| import android.content.Intent |
| import android.os.Build.VERSION |
| import android.os.Build.VERSION_CODES |
| import android.os.Bundle |
| import androidx.annotation.ContentView |
| import androidx.fragment.app.Fragment |
| import androidx.fragment.app.FragmentActivity |
| import androidx.fragment.test.R |
| import org.junit.Assert.assertFalse |
| import java.util.concurrent.CountDownLatch |
| |
| /** |
| * A simple activity used for Fragment Transitions and lifecycle event ordering |
| */ |
| @ContentView(R.layout.activity_content) |
| class FragmentTestActivity : FragmentActivity() { |
| val onDestroyLatch = CountDownLatch(1) |
| |
| public override fun onCreate(icicle: Bundle?) { |
| super.onCreate(icicle) |
| if (intent?.getBooleanExtra("finishEarly", false) == true) { |
| finish() |
| supportFragmentManager.beginTransaction() |
| .add(AssertNotDestroyed(), "not destroyed") |
| .commit() |
| } |
| } |
| |
| override fun onDestroy() { |
| super.onDestroy() |
| onDestroyLatch.countDown() |
| } |
| |
| class ParentFragment : Fragment() { |
| var wasAttachedInTime: Boolean = false |
| |
| var retainChildInstance: Boolean = false |
| |
| val childFragment: ChildFragment |
| get() = childFragmentManager.findFragmentByTag(CHILD_FRAGMENT_TAG) as ChildFragment |
| |
| override fun onCreate(savedInstanceState: Bundle?) { |
| super.onCreate(savedInstanceState) |
| |
| if (childFragmentManager.findFragmentByTag(CHILD_FRAGMENT_TAG) == null) { |
| childFragmentManager.beginTransaction() |
| .add(ChildFragment().apply { |
| if (retainChildInstance) { |
| retainInstance = true |
| } |
| }, CHILD_FRAGMENT_TAG) |
| .commitNow() |
| } |
| wasAttachedInTime = childFragment.attached |
| } |
| |
| companion object { |
| internal const val CHILD_FRAGMENT_TAG = "childFragment" |
| } |
| } |
| |
| class ChildFragment : Fragment() { |
| var onAttachListener: (context: Context) -> Unit = {} |
| |
| var attached: Boolean = false |
| var onActivityResultCalled: Boolean = false |
| var onActivityResultRequestCode: Int = 0 |
| var onActivityResultResultCode: Int = 0 |
| |
| override fun onAttach(context: Context) { |
| super.onAttach(context) |
| attached = true |
| onAttachListener.invoke(context) |
| } |
| |
| override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { |
| onActivityResultCalled = true |
| onActivityResultRequestCode = requestCode |
| onActivityResultResultCode = resultCode |
| } |
| } |
| |
| class AssertNotDestroyed : Fragment() { |
| override fun onActivityCreated(savedInstanceState: Bundle?) { |
| super.onActivityCreated(savedInstanceState) |
| if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) { |
| assertFalse(requireActivity().isDestroyed) |
| } |
| } |
| } |
| } |
