Android Open Source - arxiv-mobile Int List Preference

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
    arXiv mobile - a Free arXiv app for android
    http://code.google.com/p/arxiv-mobile/
//  w  w w. j  a v a2s .com
    Copyright (C) 2010 Jack Deslippe
    Copyright (C) 2013 Marius Lewerenz

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

package com.commonsware.android.arXiv;

import android.content.Context;
import android.preference.ListPreference;
import android.util.AttributeSet;

public class IntListPreference extends ListPreference {
    public IntListPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public IntListPreference(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())) {
            int intValue = getPersistedInt(0);
            return String.valueOf(intValue);
        } else {
            return defaultReturnValue;
        }
    }
}

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