| /* |
| * Copyright (C) 2017 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.google.android.car.obd2app; |
| |
| import android.content.Context; |
| import android.preference.ListPreference; |
| import android.util.AttributeSet; |
| |
| public class IntegerListPreference extends ListPreference { |
| public IntegerListPreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public IntegerListPreference(Context context) { |
| super(context); |
| } |
| |
| @Override |
| protected boolean persistString(String value) { |
| return value != null && persistInt(Integer.valueOf(value)); |
| } |
| |
| @Override |
| protected String getPersistedString(String defaultReturnValue) { |
| if (getSharedPreferences().contains(getKey())) { |
| return String.valueOf(getPersistedInt(2)); |
| } else { |
| return defaultReturnValue; |
| } |
| } |
| } |