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/*
* Copyright (C) 2017 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 android.arch.lifecycle.testapp;
import static android.arch.lifecycle.testapp.TestEvent.OWNER_CALLBACK;
import android.annotation.SuppressLint;
import android.arch.lifecycle.Lifecycle;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.util.Pair;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import java.util.ArrayList;
import java.util.List;
/**
* A support fragment that collects all of its events.
*/
@SuppressLint("ValidFragment")
public class CollectingSupportFragment extends Fragment implements CollectingLifecycleOwner {
private final List<Pair<TestEvent, Lifecycle.Event>> mCollectedEvents =
new ArrayList<>();
private TestObserver mTestObserver = new TestObserver(mCollectedEvents);
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mCollectedEvents.add(new Pair<>(OWNER_CALLBACK, Lifecycle.Event.ON_CREATE));
getLifecycle().addObserver(mTestObserver);
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
//noinspection ConstantConditions
FrameLayout layout = new FrameLayout(container.getContext());
layout.setId(R.id.child_fragment_container);
return layout;
}
/**
* Runs a replace fragment transaction with 'fragment' on this Fragment.
*/
public void replaceFragment(Fragment fragment) {
getChildFragmentManager()
.beginTransaction()
.add(R.id.child_fragment_container, fragment)
.commitNow();
}
@Override
public void onStart() {
super.onStart();
mCollectedEvents.add(new Pair<>(OWNER_CALLBACK, Lifecycle.Event.ON_START));
}
@Override
public void onResume() {
super.onResume();
mCollectedEvents.add(new Pair<>(OWNER_CALLBACK, Lifecycle.Event.ON_RESUME));
}
@Override
public void onDestroy() {
super.onDestroy();
mCollectedEvents.add(new Pair<>(OWNER_CALLBACK, Lifecycle.Event.ON_DESTROY));
}
@Override
public void onStop() {
super.onStop();
mCollectedEvents.add(new Pair<>(OWNER_CALLBACK, Lifecycle.Event.ON_STOP));
}
@Override
public void onPause() {
super.onPause();
mCollectedEvents.add(new Pair<>(OWNER_CALLBACK, Lifecycle.Event.ON_PAUSE));
}
@Override
public List<Pair<TestEvent, Lifecycle.Event>> copyCollectedEvents() {
return new ArrayList<>(mCollectedEvents);
}
}
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