40 lines
1.4 KiB
Java
40 lines
1.4 KiB
Java
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/*
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* Copyright (C) 2013 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.inputmethod.research;
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import android.content.SharedPreferences;
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import java.util.UUID;
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public final class ResearchSettings {
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public static final String PREF_RESEARCH_LOGGER_UUID = "pref_research_logger_uuid";
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private ResearchSettings() {
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// Intentional empty constructor for singleton.
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}
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public static String readResearchLoggerUuid(final SharedPreferences prefs) {
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if (prefs.contains(PREF_RESEARCH_LOGGER_UUID)) {
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return prefs.getString(PREF_RESEARCH_LOGGER_UUID, null);
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}
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// Generate a random string as uuid if not yet set
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final String newUuid = UUID.randomUUID().toString();
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prefs.edit().putString(PREF_RESEARCH_LOGGER_UUID, newUuid).apply();
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return newUuid;
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}
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}
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