1 files changed, 104 insertions, 0 deletions
diff --git a/android/arch/lifecycle/testapp/CollectingSupportFragment.java b/android/arch/lifecycle/testapp/CollectingSupportFragment.java
new file mode 100644
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+++ b/android/arch/lifecycle/testapp/CollectingSupportFragment.java
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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);
+    }
+}