Merge "Add ObservableDialogFragment to log DialogFragments."

src/com/android/settings/core/lifecycle/ObservableDialogFragment.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 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 com.android.settings.core.lifecycle;
+
+import android.app.DialogFragment;
+
+/**
+ * {@link DialogFragment} that has hooks to observe fragment lifecycle events.
+ */
+public class ObservableDialogFragment extends DialogFragment {
+
+    protected final Lifecycle mLifecycle = new Lifecycle();
+
+    @Override
+    public void onStart() {
+        mLifecycle.onStart();
+        super.onStart();
+    }
+
+    @Override
+    public void onResume() {
+        mLifecycle.onResume();
+        super.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        mLifecycle.onPause();
+        super.onPause();
+    }
+
+    @Override
+    public void onStop() {
+        mLifecycle.onStop();
+        super.onStop();
+    }
+
+    @Override
+    public void onDestroy() {
+        mLifecycle.onDestroy();
+        super.onDestroy();
+    }
+
+}