src/com/android/settings/core/InstrumentedActivity.java

/*
 * 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;

import com.android.settings.core.instrumentation.Instrumentable;
import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
import com.android.settingslib.core.lifecycle.ObservableActivity;

/**
 * Instrumented activity that logs visibility state.
 */
public abstract class InstrumentedActivity extends ObservableActivity implements Instrumentable {

    public InstrumentedActivity() {
        // Mixin that logs visibility change for activity.
        getLifecycle().addObserver(new VisibilityLoggerMixin(getMetricsCategory()));
    }

}