56 lines
1.7 KiB
Java
56 lines
1.7 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import com.android.internal.logging.MetricsLogger;
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import android.os.Bundle;
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import android.support.v14.preference.PreferenceFragment;
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/**
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* Instrumented fragment that logs visibility state.
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*/
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public abstract class InstrumentedFragment extends PreferenceFragment {
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// Declare new temporary categories here, starting after this value.
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public static final int UNDECLARED = 100000;
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/**
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* Declare the view of this category.
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*
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* Categories are defined in {@link com.android.internal.logging.MetricsProto.MetricsEvent}
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* or if there is no relevant existing category you may define one in
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* {@link com.android.settings.InstrumentedFragment}.
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*/
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protected abstract int getMetricsCategory();
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@Override
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public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
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}
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@Override
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public void onResume() {
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super.onResume();
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MetricsLogger.visible(getActivity(), getMetricsCategory());
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}
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@Override
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public void onPause() {
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super.onPause();
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MetricsLogger.hidden(getActivity(), getMetricsCategory());
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}
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}
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