2 * Copyright (C) 2016 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings.core;
19 import com.android.settings.core.instrumentation.Instrumentable;
20 import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
21 import com.android.settingslib.core.lifecycle.ObservableActivity;
24 * Instrumented activity that logs visibility state.
26 public abstract class InstrumentedActivity extends ObservableActivity implements Instrumentable {
28 public InstrumentedActivity() {
29 // Mixin that logs visibility change for activity.
30 getLifecycle().addObserver(new VisibilityLoggerMixin(getMetricsCategory()));