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path: root/src/com/android/settings/InstrumentedPreferenceActivity.java
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/*
 * Copyright (C) 2015 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;

import android.preference.PreferenceActivity;
import com.android.internal.logging.MetricsLogger;

/**
 * Instrumented activity that logs visibility state.
 */
public abstract class InstrumentedPreferenceActivity extends PreferenceActivity {
    /**
     * Declare the view of this category.
     *
     * Categories are defined in {@link com.android.internal.logging.MetricsLogger}
     * or if there is no relevant existing category you may define one in
     * {@link com.android.settings.InstrumentedFragment}.
     */
    protected abstract int getMetricsCategory();

    @Override
    protected void onResume() {
        super.onResume();
        MetricsLogger.visible(this, getMetricsCategory());
    }

    @Override
    protected void onPause() {
        super.onPause();
        MetricsLogger.hidden(this, getMetricsCategory());
    }
}